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+;;; -*- Mode: LISP; Syntax: Common-Lisp; Base: 10; Package: x86 -*-
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+;;;
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+;;; **********************************************************************
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+;;; This code was written as part of the CMU Common Lisp project at
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+;;; Carnegie Mellon University, and has been placed in the public domain.
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+;;; If you want to use this code or any part of CMU Common Lisp, please contact
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+;;; Scott Fahlman or slisp-group@cs.cmu.edu.
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+;;;
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+(ext:file-comment
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+ "$Header: src/compiler/x86/float-sse2.lisp $")
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+;;;
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+;;; **********************************************************************
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+;;;
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+;;; This file contains floating point support for the x86.
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+;;;
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+
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+(in-package :amd64)
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+(intl:textdomain "cmucl-sse2")
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+
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+;;; Popping the FP stack.
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+;;;
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+;;; The default is to use a store and pop, fstp fr0.
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+;;; For the AMD Athlon, using ffreep fr0 is faster.
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+;;;
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+(defun fp-pop ()
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+ (if (backend-featurep :athlon)
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+ (inst ffreep fr0-tn)
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+ (inst fstp fr0-tn)))
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+
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+
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+(macrolet ((ea-for-xf-desc (tn slot)
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+ `(make-ea
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+ :dword :base ,tn
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+ :disp (- (* ,slot vm:word-bytes) vm:other-pointer-type))))
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+ (defun ea-for-sf-desc (tn)
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+ (ea-for-xf-desc tn vm:single-float-value-slot))
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+ (defun ea-for-df-desc (tn)
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+ (ea-for-xf-desc tn vm:double-float-value-slot))
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+ #+long-float
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+ (defun ea-for-lf-desc (tn)
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+ (ea-for-xf-desc tn vm:long-float-value-slot))
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+ ;; Complex floats
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+ (defun ea-for-csf-real-desc (tn)
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+ (ea-for-xf-desc tn vm:complex-single-float-real-slot))
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+ (defun ea-for-csf-imag-desc (tn)
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+ (ea-for-xf-desc tn vm:complex-single-float-imag-slot))
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+ (defun ea-for-cdf-real-desc (tn)
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+ (ea-for-xf-desc tn vm:complex-double-float-real-slot))
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+ (defun ea-for-cdf-imag-desc (tn)
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+ (ea-for-xf-desc tn vm:complex-double-float-imag-slot))
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+ #+long-float
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+ (defun ea-for-clf-real-desc (tn)
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+ (ea-for-xf-desc tn vm:complex-long-float-real-slot))
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+ #+long-float
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+ (defun ea-for-clf-imag-desc (tn)
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+ (ea-for-xf-desc tn vm:complex-long-float-imag-slot))
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+ #+double-double
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+ (defun ea-for-cddf-real-hi-desc (tn)
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+ (ea-for-xf-desc tn vm:complex-double-double-float-real-hi-slot))
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+ #+double-double
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+ (defun ea-for-cddf-real-lo-desc (tn)
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+ (ea-for-xf-desc tn vm:complex-double-double-float-real-lo-slot))
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+ #+double-double
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+ (defun ea-for-cddf-imag-hi-desc (tn)
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+ (ea-for-xf-desc tn vm:complex-double-double-float-imag-hi-slot))
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+ #+double-double
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+ (defun ea-for-cddf-imag-lo-desc (tn)
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+ (ea-for-xf-desc tn vm:complex-double-double-float-imag-lo-slot))
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+ )
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+
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+(macrolet ((ea-for-xf-stack (tn kind)
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+ `(make-ea
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+ :dword :base rbp-tn
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+ :disp (- (* (+ (tn-offset ,tn)
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+ (ecase ,kind (:single 1) (:double 2) (:long 3)))
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+ vm:word-bytes)))))
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+ (defun ea-for-sf-stack (tn)
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+ (ea-for-xf-stack tn :single))
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+ (defun ea-for-df-stack (tn)
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+ (ea-for-xf-stack tn :double))
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+ #+long-float
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+ (defun ea-for-lf-stack (tn)
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+ (ea-for-xf-stack tn :long)))
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+
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+;;; Complex float stack EAs
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+(macrolet ((ea-for-cxf-stack (tn kind slot &optional base)
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+ `(make-ea
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+ :qword :base ,base
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+ :disp (- (* (+ (tn-offset ,tn)
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+ (* (ecase ,kind
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+ (:single 1)
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+ (:double 2)
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+ (:long 3))
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+ (ecase ,slot
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+ ;; We want the real part to be at
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+ ;; the lower address!
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+ (:real 2)
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+ (:imag 1)
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+ (:real-hi 1)
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+ (:real-lo 2)
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+ (:imag-hi 3)
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+ (:imag-lo 4))))
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+ vm:word-bytes)))))
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+ (defun ea-for-csf-real-stack (tn &optional (base rbp-tn))
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+ (ea-for-cxf-stack tn :single :real base))
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+ (defun ea-for-csf-imag-stack (tn &optional (base rbp-tn))
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+ (ea-for-cxf-stack tn :single :imag base))
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+ (defun ea-for-cdf-real-stack (tn &optional (base rbp-tn))
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+ (ea-for-cxf-stack tn :double :real base))
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+ (defun ea-for-cdf-imag-stack (tn &optional (base rbp-tn))
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+ (ea-for-cxf-stack tn :double :imag base))
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+ ;;
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+ #+long-float
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+ (defun ea-for-clf-real-stack (tn &optional (base ebp-tn))
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+ (ea-for-cxf-stack tn :long :real base))
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+ #+long-float
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+ (defun ea-for-clf-imag-stack (tn &optional (base ebp-tn))
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+ (ea-for-cxf-stack tn :long :imag base))
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+
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+ #+double-double
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+ (defun ea-for-cddf-real-hi-stack (tn &optional (base rbp-tn))
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+ (ea-for-cxf-stack tn :double :real-hi base))
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+ #+double-double
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+ (defun ea-for-cddf-real-lo-stack (tn &optional (base rbp-tn))
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+ (ea-for-cxf-stack tn :double :real-lo base))
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+ #+double-double
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+ (defun ea-for-cddf-imag-hi-stack (tn &optional (base rbp-tn))
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+ (ea-for-cxf-stack tn :double :imag-hi base))
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+ #+double-double
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+ (defun ea-for-cddf-imag-lo-stack (tn &optional (base rbp-tn))
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+ (ea-for-cxf-stack tn :double :imag-lo base))
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+ )
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+
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+;;; The x86 can't store a long-float to memory without popping the
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+;;; stack and marking a register as empty, so it is necessary to
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+;;; restore the register from memory.
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+(defun store-long-float (ea)
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+ (inst fstpl ea)
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+ (inst fldl ea))
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+
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+
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142
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+;;;; Move functions:
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+
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+;;; x is source, y is destination
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+(define-move-function (load-single 2) (vop x y)
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+ ((single-stack) (single-reg))
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+ (inst movss y (ea-for-sf-stack x)))
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+
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+(define-move-function (store-single 2) (vop x y)
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+ ((single-reg) (single-stack))
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+ (inst movss (ea-for-sf-stack y) x))
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+
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+(define-move-function (load-double 2) (vop x y)
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+ ((double-stack) (double-reg))
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+ (inst movsd y (ea-for-df-stack x)))
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+
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+(define-move-function (store-double 2) (vop x y)
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+ ((double-reg) (double-stack))
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+ (inst movsd (ea-for-df-stack y) x))
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+
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+#+long-float
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+(define-move-function (load-long 2) (vop x y)
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+ ((long-stack) (long-reg))
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164
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+ (with-empty-tn@fp-top(y)
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+ (inst fldl (ea-for-lf-stack x))))
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+
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+#+long-float
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+(define-move-function (store-long 2) (vop x y)
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+ ((long-reg) (long-stack))
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170
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+ (cond ((zerop (tn-offset x))
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+ (store-long-float (ea-for-lf-stack y)))
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172
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+ (t
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+ (inst fxch x)
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+ (store-long-float (ea-for-lf-stack y))
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175
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+ ;; This may not be necessary as ST0 is likely invalid now.
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+ (inst fxch x))))
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+
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178
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+(define-move-function (load-fp-constant 2) (vop x y)
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179
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+ ((fp-constant) (single-reg double-reg))
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180
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+ (let ((value (c::constant-value (c::tn-leaf x))))
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181
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+ (cond ((and (zerop value)
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182
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+ (= (float-sign value) 1))
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183
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+ (sc-case y
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184
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+ (single-reg (inst xorps y y))
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185
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+ (double-reg (inst xorpd y y))))
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186
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+ (t
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187
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+ (warn (intl:gettext "Ignoring bogus i387 Constant ~a") value)))))
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188
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+
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189
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+
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190
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+;;;; Complex float move functions
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191
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+
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192
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+(defun complex-single-reg-real-tn (x)
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193
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+ (make-random-tn :kind :normal :sc (sc-or-lose 'single-reg *backend*)
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194
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+ :offset (tn-offset x)))
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195
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+(defun complex-single-reg-imag-tn (x)
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196
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+ (make-random-tn :kind :normal :sc (sc-or-lose 'single-reg *backend*)
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197
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+ :offset (1+ (tn-offset x))))
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198
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+
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199
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+(defun complex-double-reg-real-tn (x)
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200
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+ (make-random-tn :kind :normal :sc (sc-or-lose 'double-reg *backend*)
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201
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+ :offset (tn-offset x)))
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202
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+(defun complex-double-reg-imag-tn (x)
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203
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+ (make-random-tn :kind :normal :sc (sc-or-lose 'double-reg *backend*)
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204
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+ :offset (1+ (tn-offset x))))
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205
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+
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206
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+#+long-float
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207
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+(defun complex-long-reg-real-tn (x)
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208
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+ (make-random-tn :kind :normal :sc (sc-or-lose 'long-reg *backend*)
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209
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+ :offset (tn-offset x)))
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210
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+#+long-float
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211
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+(defun complex-long-reg-imag-tn (x)
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212
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+ (make-random-tn :kind :normal :sc (sc-or-lose 'long-reg *backend*)
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213
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+ :offset (1+ (tn-offset x))))
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214
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+
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215
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+#+double-double
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216
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+(progn
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217
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+(defun complex-double-double-reg-real-hi-tn (x)
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218
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+ (make-random-tn :kind :normal :sc (sc-or-lose 'double-reg *backend*)
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219
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+ :offset (tn-offset x)))
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220
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+(defun complex-double-double-reg-real-lo-tn (x)
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221
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+ (make-random-tn :kind :normal :sc (sc-or-lose 'double-reg *backend*)
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222
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+ :offset (+ 1 (tn-offset x))))
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223
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+(defun complex-double-double-reg-imag-hi-tn (x)
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224
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+ (make-random-tn :kind :normal :sc (sc-or-lose 'double-reg *backend*)
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225
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+ :offset (+ 2 (tn-offset x))))
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226
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+(defun complex-double-double-reg-imag-lo-tn (x)
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227
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+ (make-random-tn :kind :normal :sc (sc-or-lose 'double-reg *backend*)
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228
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+ :offset (+ 3 (tn-offset x))))
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229
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+)
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230
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+;;; x is source, y is destination
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231
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+(define-move-function (load-complex-single 2) (vop x y)
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232
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+ ((complex-single-stack) (complex-single-reg))
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233
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+ (inst movlps y (ea-for-csf-real-stack x)))
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234
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+
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235
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+(define-move-function (store-complex-single 2) (vop x y)
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236
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+ ((complex-single-reg) (complex-single-stack))
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237
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+ (inst movlps (ea-for-csf-real-stack y) x))
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238
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+
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239
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+(define-move-function (load-complex-double 2) (vop x y)
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240
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+ ((complex-double-stack) (complex-double-reg))
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241
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+ (inst movupd y (ea-for-cdf-real-stack x)))
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242
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+
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243
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+(define-move-function (store-complex-double 2) (vop x y)
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244
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+ ((complex-double-reg) (complex-double-stack))
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245
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+ (inst movupd (ea-for-cdf-real-stack y) x))
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246
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+
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247
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+#+long-float
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248
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+(define-move-function (load-complex-long 2) (vop x y)
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249
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+ ((complex-long-stack) (complex-long-reg))
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250
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+ (let ((real-tn (complex-long-reg-real-tn y)))
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251
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+ (with-empty-tn@fp-top(real-tn)
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252
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+ (inst fldl (ea-for-clf-real-stack x))))
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253
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+ (let ((imag-tn (complex-long-reg-imag-tn y)))
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254
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+ (with-empty-tn@fp-top(imag-tn)
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255
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+ (inst fldl (ea-for-clf-imag-stack x)))))
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256
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+
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257
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+#+long-float
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258
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+(define-move-function (store-complex-long 2) (vop x y)
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259
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+ ((complex-long-reg) (complex-long-stack))
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260
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+ (let ((real-tn (complex-long-reg-real-tn x)))
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261
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+ (cond ((zerop (tn-offset real-tn))
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262
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+ (store-long-float (ea-for-clf-real-stack y)))
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263
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+ (t
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264
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+ (inst fxch real-tn)
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265
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+ (store-long-float (ea-for-clf-real-stack y))
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266
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+ (inst fxch real-tn))))
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267
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+ (let ((imag-tn (complex-long-reg-imag-tn x)))
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268
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+ (inst fxch imag-tn)
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269
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+ (store-long-float (ea-for-clf-imag-stack y))
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270
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+ (inst fxch imag-tn)))
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271
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+
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272
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+#+double-double
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273
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+(progn
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274
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+(define-move-function (load-complex-double-double 4) (vop x y)
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|
275
|
+ ((complex-double-double-stack) (complex-double-double-reg))
|
|
|
276
|
+ (let ((real-tn (complex-double-double-reg-real-hi-tn y)))
|
|
|
277
|
+ (inst movsd real-tn (ea-for-cddf-real-hi-stack x)))
|
|
|
278
|
+ (let ((real-tn (complex-double-double-reg-real-lo-tn y)))
|
|
|
279
|
+ (inst movsd real-tn (ea-for-cddf-real-lo-stack x)))
|
|
|
280
|
+ (let ((imag-tn (complex-double-double-reg-imag-hi-tn y)))
|
|
|
281
|
+ (inst movsd imag-tn (ea-for-cddf-imag-hi-stack x)))
|
|
|
282
|
+ (let ((imag-tn (complex-double-double-reg-imag-lo-tn y)))
|
|
|
283
|
+ (inst movsd imag-tn (ea-for-cddf-imag-lo-stack x))))
|
|
|
284
|
+
|
|
|
285
|
+(define-move-function (store-complex-double-double 4) (vop x y)
|
|
|
286
|
+ ((complex-double-double-reg) (complex-double-double-stack))
|
|
|
287
|
+ ;; FIXME: These may not be right!!!!
|
|
|
288
|
+ (let ((real-tn (complex-double-double-reg-real-hi-tn x)))
|
|
|
289
|
+ (inst movsd (ea-for-cddf-real-hi-stack y) real-tn))
|
|
|
290
|
+ (let ((real-tn (complex-double-double-reg-real-lo-tn x)))
|
|
|
291
|
+ (inst movsd (ea-for-cddf-real-lo-stack y) real-tn))
|
|
|
292
|
+ (let ((imag-tn (complex-double-double-reg-imag-hi-tn x)))
|
|
|
293
|
+ (inst movsd (ea-for-cddf-imag-hi-stack y) imag-tn))
|
|
|
294
|
+ (let ((imag-tn (complex-double-double-reg-imag-lo-tn x)))
|
|
|
295
|
+ (inst movsd (ea-for-cddf-imag-lo-stack y) imag-tn)))
|
|
|
296
|
+
|
|
|
297
|
+)
|
|
|
298
|
+
|
|
|
299
|
+;;;; Move VOPs:
|
|
|
300
|
+
|
|
|
301
|
+;;;
|
|
|
302
|
+;;; Float register to register moves.
|
|
|
303
|
+;;;
|
|
|
304
|
+#+nil
|
|
|
305
|
+(define-vop (float-move)
|
|
|
306
|
+ (:args (x))
|
|
|
307
|
+ (:results (y))
|
|
|
308
|
+ (:note _N"float move")
|
|
|
309
|
+ (:generator 0
|
|
|
310
|
+ (unless (location= x y)
|
|
|
311
|
+ (inst movq y x))))
|
|
|
312
|
+
|
|
|
313
|
+(define-vop (float-move/single)
|
|
|
314
|
+ (:args (x))
|
|
|
315
|
+ (:results (y))
|
|
|
316
|
+ (:note _N"float move")
|
|
|
317
|
+ (:temporary (:sc single-stack) temp)
|
|
|
318
|
+ (:generator 0
|
|
|
319
|
+ (unless (location= x y)
|
|
|
320
|
+ (let ((x-offset (tn-offset x))
|
|
|
321
|
+ (y-offset (tn-offset y)))
|
|
|
322
|
+ (cond ((and (zerop x-offset)
|
|
|
323
|
+ (>= y-offset 8))
|
|
|
324
|
+ ;; Move fr0 to xmm
|
|
|
325
|
+ (inst fst (ea-for-sf-stack temp))
|
|
|
326
|
+ (inst movss y (ea-for-sf-stack temp)))
|
|
|
327
|
+ ((and (>= x-offset 8)
|
|
|
328
|
+ (>= y-offset 8))
|
|
|
329
|
+ (inst movq y x))
|
|
|
330
|
+ (t
|
|
|
331
|
+ (error "Don't know how to move ~S to ~S" x y)))))))
|
|
|
332
|
+
|
|
|
333
|
+(define-vop (float-move/double)
|
|
|
334
|
+ (:args (x))
|
|
|
335
|
+ (:results (y))
|
|
|
336
|
+ (:note _N"float move")
|
|
|
337
|
+ (:temporary (:sc double-stack) temp)
|
|
|
338
|
+ (:generator 0
|
|
|
339
|
+ (unless (location= x y)
|
|
|
340
|
+ (let ((x-offset (tn-offset x))
|
|
|
341
|
+ (y-offset (tn-offset y)))
|
|
|
342
|
+ (cond ((and (zerop x-offset)
|
|
|
343
|
+ (>= y-offset 8))
|
|
|
344
|
+ ;; Move fr0 to xmm
|
|
|
345
|
+ (inst fstd (ea-for-df-stack temp))
|
|
|
346
|
+ (inst movsd y (ea-for-df-stack temp)))
|
|
|
347
|
+ ((and (>= x-offset 8)
|
|
|
348
|
+ (>= y-offset 8))
|
|
|
349
|
+ (inst movq y x))
|
|
|
350
|
+ (t
|
|
|
351
|
+ (error "Don't know how to move ~S to ~S" x y)))))))
|
|
|
352
|
+
|
|
|
353
|
+(define-vop (single-move float-move/single)
|
|
|
354
|
+ (:args (x :scs (single-reg) :target y :load-if (not (location= x y))))
|
|
|
355
|
+ (:results (y :scs (single-reg) :load-if (not (location= x y)))))
|
|
|
356
|
+
|
|
|
357
|
+(define-move-vop single-move :move (single-reg) (single-reg))
|
|
|
358
|
+
|
|
|
359
|
+(define-vop (double-move float-move/double)
|
|
|
360
|
+ (:args (x :scs (double-reg) :target y :load-if (not (location= x y))))
|
|
|
361
|
+ (:results (y :scs (double-reg) :load-if (not (location= x y)))))
|
|
|
362
|
+(define-move-vop double-move :move (double-reg) (double-reg))
|
|
|
363
|
+
|
|
|
364
|
+#+long-float
|
|
|
365
|
+(define-vop (long-move float-move)
|
|
|
366
|
+ (:args (x :scs (long-reg) :target y :load-if (not (location= x y))))
|
|
|
367
|
+ (:results (y :scs (long-reg) :load-if (not (location= x y)))))
|
|
|
368
|
+#+long-float
|
|
|
369
|
+(define-move-vop long-move :move (long-reg) (long-reg))
|
|
|
370
|
+
|
|
|
371
|
+;;;
|
|
|
372
|
+;;; Complex float register to register moves.
|
|
|
373
|
+;;;
|
|
|
374
|
+(define-vop (complex-single-move)
|
|
|
375
|
+ (:args (x :scs (complex-single-reg) :target y
|
|
|
376
|
+ :load-if (not (location= x y))))
|
|
|
377
|
+ (:results (y :scs (complex-single-reg) :load-if (not (location= x y))))
|
|
|
378
|
+ (:generator 0
|
|
|
379
|
+ (unless (location= x y)
|
|
|
380
|
+ (inst movaps y x))))
|
|
|
381
|
+
|
|
|
382
|
+(define-move-vop complex-single-move :move
|
|
|
383
|
+ (complex-single-reg) (complex-single-reg))
|
|
|
384
|
+
|
|
|
385
|
+(define-vop (complex-double-move)
|
|
|
386
|
+ (:args (x :scs (complex-double-reg)
|
|
|
387
|
+ :target y :load-if (not (location= x y))))
|
|
|
388
|
+ (:results (y :scs (complex-double-reg) :load-if (not (location= x y))))
|
|
|
389
|
+ (:generator 0
|
|
|
390
|
+ (unless (location= x y)
|
|
|
391
|
+ (inst movapd y x))))
|
|
|
392
|
+
|
|
|
393
|
+(define-move-vop complex-double-move :move
|
|
|
394
|
+ (complex-double-reg) (complex-double-reg))
|
|
|
395
|
+
|
|
|
396
|
+
|
|
|
397
|
+#+long-float
|
|
|
398
|
+(define-vop (complex-long-move complex-float-move)
|
|
|
399
|
+ (:args (x :scs (complex-long-reg)
|
|
|
400
|
+ :target y :load-if (not (location= x y))))
|
|
|
401
|
+ (:results (y :scs (complex-long-reg) :load-if (not (location= x y)))))
|
|
|
402
|
+#+long-float
|
|
|
403
|
+(define-move-vop complex-long-move :move
|
|
|
404
|
+ (complex-long-reg) (complex-long-reg))
|
|
|
405
|
+
|
|
|
406
|
+
|
|
|
407
|
+;;;
|
|
|
408
|
+;;; Move from float to a descriptor reg. allocating a new float
|
|
|
409
|
+;;; object in the process.
|
|
|
410
|
+;;;
|
|
|
411
|
+(define-vop (move-from-single)
|
|
|
412
|
+ (:args (x :scs (single-reg) :to :save))
|
|
|
413
|
+ (:results (y :scs (descriptor-reg)))
|
|
|
414
|
+ (:node-var node)
|
|
|
415
|
+ (:note _N"float to pointer coercion")
|
|
|
416
|
+ (:generator 13
|
|
|
417
|
+ (with-fixed-allocation (y vm:single-float-type vm:single-float-size node)
|
|
|
418
|
+ (inst movss (ea-for-sf-desc y) x))))
|
|
|
419
|
+(define-move-vop move-from-single :move
|
|
|
420
|
+ (single-reg) (descriptor-reg))
|
|
|
421
|
+
|
|
|
422
|
+(define-vop (move-from-double)
|
|
|
423
|
+ (:args (x :scs (double-reg) :to :save))
|
|
|
424
|
+ (:results (y :scs (descriptor-reg)))
|
|
|
425
|
+ (:node-var node)
|
|
|
426
|
+ (:note _N"float to pointer coercion")
|
|
|
427
|
+ (:generator 13
|
|
|
428
|
+ (with-fixed-allocation (y vm:double-float-type vm:double-float-size node)
|
|
|
429
|
+ (inst movsd (ea-for-df-desc y) x))))
|
|
|
430
|
+(define-move-vop move-from-double :move
|
|
|
431
|
+ (double-reg) (descriptor-reg))
|
|
|
432
|
+
|
|
|
433
|
+#+long-float
|
|
|
434
|
+(define-vop (move-from-long)
|
|
|
435
|
+ (:args (x :scs (long-reg) :to :save))
|
|
|
436
|
+ (:results (y :scs (descriptor-reg)))
|
|
|
437
|
+ (:node-var node)
|
|
|
438
|
+ (:note _N"float to pointer coercion")
|
|
|
439
|
+ (:generator 13
|
|
|
440
|
+ (with-fixed-allocation (y vm:long-float-type vm:long-float-size node)
|
|
|
441
|
+ (with-tn@fp-top(x)
|
|
|
442
|
+ (store-long-float (ea-for-lf-desc y))))))
|
|
|
443
|
+#+long-float
|
|
|
444
|
+(define-move-vop move-from-long :move
|
|
|
445
|
+ (long-reg) (descriptor-reg))
|
|
|
446
|
+
|
|
|
447
|
+(define-vop (move-from-fp-constant)
|
|
|
448
|
+ (:args (x :scs (fp-constant)))
|
|
|
449
|
+ (:results (y :scs (descriptor-reg)))
|
|
|
450
|
+ (:generator 2
|
|
|
451
|
+ (ecase (c::constant-value (c::tn-leaf x))
|
|
|
452
|
+ (0f0 (load-symbol-value y *fp-constant-0s0*))
|
|
|
453
|
+ #+nil
|
|
|
454
|
+ (1f0 (load-symbol-value y *fp-constant-1s0*))
|
|
|
455
|
+ (0d0 (load-symbol-value y *fp-constant-0d0*))
|
|
|
456
|
+ #+nil
|
|
|
457
|
+ (1d0 (load-symbol-value y *fp-constant-1d0*)))))
|
|
|
458
|
+(define-move-vop move-from-fp-constant :move
|
|
|
459
|
+ (fp-constant) (descriptor-reg))
|
|
|
460
|
+
|
|
|
461
|
+;;;
|
|
|
462
|
+;;; Move from a descriptor to a float register
|
|
|
463
|
+;;;
|
|
|
464
|
+(define-vop (move-to-single)
|
|
|
465
|
+ (:args (x :scs (descriptor-reg)))
|
|
|
466
|
+ (:results (y :scs (single-reg)))
|
|
|
467
|
+ (:note _N"pointer to float coercion")
|
|
|
468
|
+ (:generator 2
|
|
|
469
|
+ (inst movss y (ea-for-sf-desc x))))
|
|
|
470
|
+(define-move-vop move-to-single :move (descriptor-reg) (single-reg))
|
|
|
471
|
+
|
|
|
472
|
+(define-vop (move-to-double)
|
|
|
473
|
+ (:args (x :scs (descriptor-reg)))
|
|
|
474
|
+ (:results (y :scs (double-reg)))
|
|
|
475
|
+ (:note _N"pointer to float coercion")
|
|
|
476
|
+ (:generator 2
|
|
|
477
|
+ (inst movsd y (ea-for-df-desc x))))
|
|
|
478
|
+(define-move-vop move-to-double :move (descriptor-reg) (double-reg))
|
|
|
479
|
+
|
|
|
480
|
+#+long-float
|
|
|
481
|
+(define-vop (move-to-long)
|
|
|
482
|
+ (:args (x :scs (descriptor-reg)))
|
|
|
483
|
+ (:results (y :scs (long-reg)))
|
|
|
484
|
+ (:note _N"pointer to float coercion")
|
|
|
485
|
+ (:generator 2
|
|
|
486
|
+ (with-empty-tn@fp-top(y)
|
|
|
487
|
+ (inst fldl (ea-for-lf-desc x)))))
|
|
|
488
|
+#+long-float
|
|
|
489
|
+(define-move-vop move-to-long :move (descriptor-reg) (long-reg))
|
|
|
490
|
+
|
|
|
491
|
+
|
|
|
492
|
+;;;
|
|
|
493
|
+;;; Move from complex float to a descriptor reg. allocating a new
|
|
|
494
|
+;;; complex float object in the process.
|
|
|
495
|
+;;;
|
|
|
496
|
+(define-vop (move-from-complex-single)
|
|
|
497
|
+ (:args (x :scs (complex-single-reg) :to :save))
|
|
|
498
|
+ (:results (y :scs (descriptor-reg)))
|
|
|
499
|
+ (:node-var node)
|
|
|
500
|
+ (:note _N"complex float to pointer coercion")
|
|
|
501
|
+ (:generator 13
|
|
|
502
|
+ (with-fixed-allocation (y vm:complex-single-float-type
|
|
|
503
|
+ vm:complex-single-float-size node)
|
|
|
504
|
+ (inst movlps (ea-for-csf-real-desc y) x))))
|
|
|
505
|
+(define-move-vop move-from-complex-single :move
|
|
|
506
|
+ (complex-single-reg) (descriptor-reg))
|
|
|
507
|
+
|
|
|
508
|
+(define-vop (move-from-complex-double)
|
|
|
509
|
+ (:args (x :scs (complex-double-reg) :to :save))
|
|
|
510
|
+ (:results (y :scs (descriptor-reg)))
|
|
|
511
|
+ (:node-var node)
|
|
|
512
|
+ (:note _N"complex float to pointer coercion")
|
|
|
513
|
+ (:generator 13
|
|
|
514
|
+ (with-fixed-allocation (y vm:complex-double-float-type
|
|
|
515
|
+ vm:complex-double-float-size node)
|
|
|
516
|
+ (inst movupd (ea-for-cdf-real-desc y) x))))
|
|
|
517
|
+
|
|
|
518
|
+(define-move-vop move-from-complex-double :move
|
|
|
519
|
+ (complex-double-reg) (descriptor-reg))
|
|
|
520
|
+
|
|
|
521
|
+#+long-float
|
|
|
522
|
+(define-vop (move-from-complex-long)
|
|
|
523
|
+ (:args (x :scs (complex-long-reg) :to :save))
|
|
|
524
|
+ (:results (y :scs (descriptor-reg)))
|
|
|
525
|
+ (:node-var node)
|
|
|
526
|
+ (:note _N"complex float to pointer coercion")
|
|
|
527
|
+ (:generator 13
|
|
|
528
|
+ (with-fixed-allocation (y vm:complex-long-float-type
|
|
|
529
|
+ vm:complex-long-float-size node)
|
|
|
530
|
+ (let ((real-tn (complex-long-reg-real-tn x)))
|
|
|
531
|
+ (with-tn@fp-top(real-tn)
|
|
|
532
|
+ (store-long-float (ea-for-clf-real-desc y))))
|
|
|
533
|
+ (let ((imag-tn (complex-long-reg-imag-tn x)))
|
|
|
534
|
+ (with-tn@fp-top(imag-tn)
|
|
|
535
|
+ (store-long-float (ea-for-clf-imag-desc y)))))))
|
|
|
536
|
+#+long-float
|
|
|
537
|
+(define-move-vop move-from-complex-long :move
|
|
|
538
|
+ (complex-long-reg) (descriptor-reg))
|
|
|
539
|
+
|
|
|
540
|
+#+double-double
|
|
|
541
|
+(define-vop (move-from-complex-double-double)
|
|
|
542
|
+ (:args (x :scs (complex-double-double-reg) :to :save))
|
|
|
543
|
+ (:results (y :scs (descriptor-reg)))
|
|
|
544
|
+ (:node-var node)
|
|
|
545
|
+ (:note _N"complex double-double float to pointer coercion")
|
|
|
546
|
+ (:generator 13
|
|
|
547
|
+ (with-fixed-allocation (y vm::complex-double-double-float-type
|
|
|
548
|
+ vm::complex-double-double-float-size node)
|
|
|
549
|
+ (let ((real-tn (complex-double-double-reg-real-hi-tn x)))
|
|
|
550
|
+ (inst movsd (ea-for-cddf-real-hi-desc y) real-tn))
|
|
|
551
|
+ (let ((real-tn (complex-double-double-reg-real-lo-tn x)))
|
|
|
552
|
+ (inst movsd (ea-for-cddf-real-lo-desc y) real-tn))
|
|
|
553
|
+ (let ((imag-tn (complex-double-double-reg-imag-hi-tn x)))
|
|
|
554
|
+ (inst movsd (ea-for-cddf-imag-hi-desc y) imag-tn))
|
|
|
555
|
+ (let ((imag-tn (complex-double-double-reg-imag-lo-tn x)))
|
|
|
556
|
+ (inst movsd (ea-for-cddf-imag-lo-desc y) imag-tn)))))
|
|
|
557
|
+;;;
|
|
|
558
|
+#+double-double
|
|
|
559
|
+(define-move-vop move-from-complex-double-double :move
|
|
|
560
|
+ (complex-double-double-reg) (descriptor-reg))
|
|
|
561
|
+;;;
|
|
|
562
|
+;;; Move from a descriptor to a complex float register
|
|
|
563
|
+;;;
|
|
|
564
|
+(define-vop (move-to-complex-single)
|
|
|
565
|
+ (:args (x :scs (descriptor-reg)))
|
|
|
566
|
+ (:results (y :scs (complex-single-reg)))
|
|
|
567
|
+ (:note _N"pointer to complex float coercion")
|
|
|
568
|
+ (:generator 2
|
|
|
569
|
+ (inst movlps y (ea-for-csf-real-desc x))))
|
|
|
570
|
+
|
|
|
571
|
+(define-move-vop move-to-complex-single :move
|
|
|
572
|
+ (descriptor-reg) (complex-single-reg))
|
|
|
573
|
+
|
|
|
574
|
+(define-vop (move-to-complex-double)
|
|
|
575
|
+ (:args (x :scs (descriptor-reg)))
|
|
|
576
|
+ (:results (y :scs (complex-double-reg)))
|
|
|
577
|
+ (:note _N"pointer to complex float coercion")
|
|
|
578
|
+ (:generator 2
|
|
|
579
|
+ (inst movupd y (ea-for-cdf-real-desc x))))
|
|
|
580
|
+
|
|
|
581
|
+(define-move-vop move-to-complex-double :move
|
|
|
582
|
+ (descriptor-reg) (complex-double-reg))
|
|
|
583
|
+
|
|
|
584
|
+
|
|
|
585
|
+;;;
|
|
|
586
|
+;;; The move argument vops.
|
|
|
587
|
+;;;
|
|
|
588
|
+;;; Note these are also used to stuff fp numbers onto the c-call stack
|
|
|
589
|
+;;; so the order is different than the lisp-stack.
|
|
|
590
|
+
|
|
|
591
|
+;;; The general move-argument vop
|
|
|
592
|
+(macrolet ((frob (name sc stack-sc format)
|
|
|
593
|
+ `(progn
|
|
|
594
|
+ (define-vop (,name)
|
|
|
595
|
+ (:args (x :scs (,sc) :target y)
|
|
|
596
|
+ (fp :scs (any-reg)
|
|
|
597
|
+ :load-if (not (sc-is y ,sc))))
|
|
|
598
|
+ (:results (y))
|
|
|
599
|
+ (:note _N"float argument move")
|
|
|
600
|
+ (:generator ,(case format (:single 2) (:double 3) (:long 4))
|
|
|
601
|
+ (sc-case y
|
|
|
602
|
+ (,sc
|
|
|
603
|
+ (unless (location= x y)
|
|
|
604
|
+ (inst movq y x)))
|
|
|
605
|
+ (,stack-sc
|
|
|
606
|
+ (if (= (tn-offset fp) esp-offset)
|
|
|
607
|
+ (let* ((offset (* (tn-offset y) word-bytes))
|
|
|
608
|
+ (ea (make-ea :dword :base fp :disp offset)))
|
|
|
609
|
+ ,@(ecase format
|
|
|
610
|
+ (:single '((inst movss ea x)))
|
|
|
611
|
+ (:double '((inst movsd ea x)))))
|
|
|
612
|
+ (let ((ea (make-ea
|
|
|
613
|
+ :dword :base fp
|
|
|
614
|
+ :disp (- (* (+ (tn-offset y)
|
|
|
615
|
+ ,(case format
|
|
|
616
|
+ (:single 1)
|
|
|
617
|
+ (:double 2)
|
|
|
618
|
+ (:long 3)))
|
|
|
619
|
+ vm:word-bytes)))))
|
|
|
620
|
+ ,@(ecase format
|
|
|
621
|
+ (:single '((inst movss ea x)))
|
|
|
622
|
+ (:double '((inst movsd ea x))))))))))
|
|
|
623
|
+ (define-move-vop ,name :move-argument
|
|
|
624
|
+ (,sc descriptor-reg) (,sc)))))
|
|
|
625
|
+ (frob move-single-float-argument single-reg single-stack :single)
|
|
|
626
|
+ (frob move-double-float-argument double-reg double-stack :double))
|
|
|
627
|
+
|
|
|
628
|
+;;;; Complex float move-argument vop
|
|
|
629
|
+(define-vop (move-complex-single-float-argument)
|
|
|
630
|
+ (:args (x :scs (complex-single-reg) :target y)
|
|
|
631
|
+ (fp :scs (any-reg)
|
|
|
632
|
+ :load-if (not (sc-is y complex-single-reg))))
|
|
|
633
|
+ (:results (y))
|
|
|
634
|
+ (:note _N"complex float argument move")
|
|
|
635
|
+ (:generator 3
|
|
|
636
|
+ (sc-case y
|
|
|
637
|
+ (complex-single-reg
|
|
|
638
|
+ (unless (location= x y)
|
|
|
639
|
+ (inst movaps y x)))
|
|
|
640
|
+ (complex-single-stack
|
|
|
641
|
+ (inst movlps (ea-for-csf-real-stack y fp) x)))))
|
|
|
642
|
+
|
|
|
643
|
+(define-move-vop move-complex-single-float-argument :move-argument
|
|
|
644
|
+ (complex-single-reg descriptor-reg) (complex-single-reg))
|
|
|
645
|
+
|
|
|
646
|
+(define-vop (move-complex-double-float-argument)
|
|
|
647
|
+ (:args (x :scs (complex-double-reg) :target y)
|
|
|
648
|
+ (fp :scs (any-reg)
|
|
|
649
|
+ :load-if (not (sc-is y complex-double-reg))))
|
|
|
650
|
+ (:results (y))
|
|
|
651
|
+ (:note _N"complex float argument move")
|
|
|
652
|
+ (:generator 3
|
|
|
653
|
+ (sc-case y
|
|
|
654
|
+ (complex-double-reg
|
|
|
655
|
+ (unless (location= x y)
|
|
|
656
|
+ (inst movapd y x)))
|
|
|
657
|
+ (complex-double-stack
|
|
|
658
|
+ (inst movupd (ea-for-cdf-real-stack y fp) x)))))
|
|
|
659
|
+
|
|
|
660
|
+(define-move-vop move-complex-double-float-argument :move-argument
|
|
|
661
|
+ (complex-double-reg descriptor-reg) (complex-double-reg))
|
|
|
662
|
+
|
|
|
663
|
+#+double-double
|
|
|
664
|
+(define-vop (move-complex-double-double-float-argument)
|
|
|
665
|
+ (:args (x :scs (complex-double-double-reg) :target y)
|
|
|
666
|
+ (fp :scs (any-reg) :load-if (not (sc-is y complex-double-double-reg))))
|
|
|
667
|
+ (:results (y))
|
|
|
668
|
+ (:note _N"complex double-double-float argument move")
|
|
|
669
|
+ (:generator 2
|
|
|
670
|
+ (sc-case y
|
|
|
671
|
+ (complex-double-double-reg
|
|
|
672
|
+ (unless (location= x y)
|
|
|
673
|
+ (let ((x-real (complex-double-double-reg-real-hi-tn x))
|
|
|
674
|
+ (y-real (complex-double-double-reg-real-hi-tn y)))
|
|
|
675
|
+ (inst movsd y-real x-real))
|
|
|
676
|
+ (let ((x-real (complex-double-double-reg-real-lo-tn x))
|
|
|
677
|
+ (y-real (complex-double-double-reg-real-lo-tn y)))
|
|
|
678
|
+ (inst movsd y-real x-real))
|
|
|
679
|
+ (let ((x-imag (complex-double-double-reg-imag-hi-tn x))
|
|
|
680
|
+ (y-imag (complex-double-double-reg-imag-hi-tn y)))
|
|
|
681
|
+ (inst movsd y-imag x-imag))
|
|
|
682
|
+ (let ((x-imag (complex-double-double-reg-imag-lo-tn x))
|
|
|
683
|
+ (y-imag (complex-double-double-reg-imag-lo-tn y)))
|
|
|
684
|
+ (inst movsd y-imag x-imag))))
|
|
|
685
|
+ (complex-double-double-stack
|
|
|
686
|
+ (let ((real-tn (complex-double-double-reg-real-hi-tn x)))
|
|
|
687
|
+ (inst movsd (ea-for-cddf-real-hi-stack y fp) real-tn))
|
|
|
688
|
+ (let ((real-tn (complex-double-double-reg-real-lo-tn x)))
|
|
|
689
|
+ (inst movsd (ea-for-cddf-real-lo-stack y fp) real-tn))
|
|
|
690
|
+ (let ((imag-tn (complex-double-double-reg-imag-hi-tn x)))
|
|
|
691
|
+ (inst movsd (ea-for-cddf-imag-hi-stack y fp) imag-tn))
|
|
|
692
|
+ (let ((imag-tn (complex-double-double-reg-imag-lo-tn x)))
|
|
|
693
|
+ (inst movsd (ea-for-cddf-imag-lo-stack y fp) imag-tn))))
|
|
|
694
|
+ ))
|
|
|
695
|
+
|
|
|
696
|
+#+double-double
|
|
|
697
|
+(define-move-vop move-complex-double-double-float-argument :move-argument
|
|
|
698
|
+ (complex-double-double-reg descriptor-reg) (complex-double-double-reg))
|
|
|
699
|
+
|
|
|
700
|
+(define-move-vop move-argument :move-argument
|
|
|
701
|
+ (single-reg double-reg #+long-float long-reg
|
|
|
702
|
+ #+double-double double-double-reg
|
|
|
703
|
+ complex-single-reg complex-double-reg #+long-float complex-long-reg
|
|
|
704
|
+ #+double-double complex-double-double-reg)
|
|
|
705
|
+ (descriptor-reg))
|
|
|
706
|
+
|
|
|
707
|
+
|
|
|
708
|
+;;;; Arithmetic VOPs:
|
|
|
709
|
+
|
|
|
710
|
+
|
|
|
711
|
+;;; dtc: The floating point arithmetic vops.
|
|
|
712
|
+;;;
|
|
|
713
|
+;;; Note: Although these can accept x and y on the stack or pointed to
|
|
|
714
|
+;;; from a descriptor register, they will work with register loading
|
|
|
715
|
+;;; without these. Same deal with the result - it need only be a
|
|
|
716
|
+;;; register. When load-tns are needed they will probably be in ST0
|
|
|
717
|
+;;; and the code below should be able to correctly handle all cases.
|
|
|
718
|
+;;;
|
|
|
719
|
+;;; However it seems to produce better code if all arg. and result
|
|
|
720
|
+;;; options are used; on the P86 there is no extra cost in using a
|
|
|
721
|
+;;; memory operand to the FP instructions - not so on the PPro.
|
|
|
722
|
+;;;
|
|
|
723
|
+;;; It may also be useful to handle constant args?
|
|
|
724
|
+;;;
|
|
|
725
|
+;;; 22-Jul-97: descriptor args lose in some simple cases when
|
|
|
726
|
+;;; a function result computed in a loop. Then Python insists
|
|
|
727
|
+;;; on consing the intermediate values! For example
|
|
|
728
|
+#|
|
|
|
729
|
+(defun test(a n)
|
|
|
730
|
+ (declare (type (simple-array double-float (*)) a)
|
|
|
731
|
+ (fixnum n))
|
|
|
732
|
+ (let ((sum 0d0))
|
|
|
733
|
+ (declare (type double-float sum))
|
|
|
734
|
+ (dotimes (i n)
|
|
|
735
|
+ (incf sum (* (aref a i)(aref a i))))
|
|
|
736
|
+ sum))
|
|
|
737
|
+|#
|
|
|
738
|
+;;; So, disabling descriptor args until this can be fixed elsewhere.
|
|
|
739
|
+;;;
|
|
|
740
|
+
|
|
|
741
|
+(define-vop (float-op)
|
|
|
742
|
+ (:args (x) (y))
|
|
|
743
|
+ (:results (r))
|
|
|
744
|
+ (:policy :fast-safe)
|
|
|
745
|
+ (:note _N"inline float arithmetic")
|
|
|
746
|
+ (:vop-var vop)
|
|
|
747
|
+ (:save-p :compute-only))
|
|
|
748
|
+
|
|
|
749
|
+(macrolet ((frob (name sc ptype)
|
|
|
750
|
+ `(define-vop (,name float-op)
|
|
|
751
|
+ (:args (x :scs (,sc) :target r)
|
|
|
752
|
+ (y :scs (,sc)))
|
|
|
753
|
+ (:results (r :scs (,sc)))
|
|
|
754
|
+ (:arg-types ,ptype ,ptype)
|
|
|
755
|
+ (:result-types ,ptype))))
|
|
|
756
|
+ (frob single-float-op single-reg single-float)
|
|
|
757
|
+ (frob double-float-op double-reg double-float))
|
|
|
758
|
+
|
|
|
759
|
+(macrolet ((generate (movinst opinst commutative arg-type)
|
|
|
760
|
+ (multiple-value-bind (rtype stack-sc ea ea-stack)
|
|
|
761
|
+ (if (eq arg-type 'single)
|
|
|
762
|
+ (values 'single-reg 'single-stack 'ea-for-sf-desc 'ea-for-sf-stack)
|
|
|
763
|
+ (values 'double-reg 'double-stack 'ea-for-df-desc 'ea-for-df-stack))
|
|
|
764
|
+ `(progn
|
|
|
765
|
+ (cond
|
|
|
766
|
+ ((location= x r)
|
|
|
767
|
+ ;; x and r are the same. We can just operate on x,
|
|
|
768
|
+ ;; and we're done.
|
|
|
769
|
+ (sc-case y
|
|
|
770
|
+ (,rtype
|
|
|
771
|
+ (inst ,opinst x y))
|
|
|
772
|
+ (descriptor-reg
|
|
|
773
|
+ (inst ,opinst x (,ea y)))
|
|
|
774
|
+ (,stack-sc
|
|
|
775
|
+ (inst ,opinst x (,ea-stack y)))))
|
|
|
776
|
+ ((and ,commutative (location= y r))
|
|
|
777
|
+ ;; y = r and the operation is commutative, so just
|
|
|
778
|
+ ;; do the operation with r and x.
|
|
|
779
|
+ (inst ,opinst y x))
|
|
|
780
|
+ ((not (location= r y))
|
|
|
781
|
+ ;; x, y, and r are three different regs. So just
|
|
|
782
|
+ ;; move r to x and do the operation on r.
|
|
|
783
|
+ (inst ,movinst r x)
|
|
|
784
|
+ (sc-case y
|
|
|
785
|
+ (,rtype
|
|
|
786
|
+ (inst ,opinst r y))
|
|
|
787
|
+ (descriptor-reg
|
|
|
788
|
+ (inst ,opinst r (,ea y)))
|
|
|
789
|
+ (,stack-sc
|
|
|
790
|
+ (inst, opinst r (,ea-stack y)))))
|
|
|
791
|
+ (t
|
|
|
792
|
+ ;; The hard case where the operation is not
|
|
|
793
|
+ ;; commutative, but y might be r. Don't want to
|
|
|
794
|
+ ;; destroy y in this case, so use a temp so we
|
|
|
795
|
+ ;; don't accidentally overwrite y.
|
|
|
796
|
+ (inst ,movinst tmp x)
|
|
|
797
|
+ (sc-case y
|
|
|
798
|
+ (,rtype
|
|
|
799
|
+ (inst ,opinst tmp y))
|
|
|
800
|
+ (descriptor-reg
|
|
|
801
|
+ (inst ,opinst tmp (,ea y)))
|
|
|
802
|
+ (,stack-sc
|
|
|
803
|
+ (inst, opinst tmp (,ea-stack y))))
|
|
|
804
|
+ (inst ,movinst r tmp))))))
|
|
|
805
|
+ (frob (op sinst sname scost dinst dname dcost commutative)
|
|
|
806
|
+ `(progn
|
|
|
807
|
+ (define-vop (,sname single-float-op)
|
|
|
808
|
+ (:args (x :scs (single-reg) :target r)
|
|
|
809
|
+ (y :scs (single-reg descriptor-reg)
|
|
|
810
|
+ :load-if (not (sc-is y single-stack))))
|
|
|
811
|
+ (:translate ,op)
|
|
|
812
|
+ (:temporary (:sc single-reg) tmp)
|
|
|
813
|
+ (:generator ,scost
|
|
|
814
|
+ (generate movss ,sinst ,commutative single)))
|
|
|
815
|
+ (define-vop (,dname double-float-op)
|
|
|
816
|
+ (:args (x :scs (double-reg) :target r)
|
|
|
817
|
+ (y :scs (double-reg descriptor-reg)
|
|
|
818
|
+ :load-if (not (sc-is y double-stack))))
|
|
|
819
|
+ (:translate ,op)
|
|
|
820
|
+ (:temporary (:sc double-reg) tmp)
|
|
|
821
|
+ (:generator ,dcost
|
|
|
822
|
+ (generate movsd ,dinst ,commutative double))))))
|
|
|
823
|
+ (frob + addss +/single-float 2 addsd +/double-float 2 t)
|
|
|
824
|
+ (frob - subss -/single-float 2 subsd -/double-float 2 nil)
|
|
|
825
|
+ (frob * mulss */single-float 4 mulsd */double-float 5 t)
|
|
|
826
|
+ (frob / divss //single-float 12 divsd //double-float 19 nil))
|
|
|
827
|
+
|
|
|
828
|
+(define-vop (fsqrt)
|
|
|
829
|
+ (:args (x :scs (double-reg)))
|
|
|
830
|
+ (:results (y :scs (double-reg)))
|
|
|
831
|
+ (:translate %sqrt)
|
|
|
832
|
+ (:policy :fast-safe)
|
|
|
833
|
+ (:arg-types double-float)
|
|
|
834
|
+ (:result-types double-float)
|
|
|
835
|
+ (:note _N"inline float arithmetic")
|
|
|
836
|
+ (:vop-var vop)
|
|
|
837
|
+ (:save-p :compute-only)
|
|
|
838
|
+ (:generator 1
|
|
|
839
|
+ (note-this-location vop :internal-error)
|
|
|
840
|
+ (inst sqrtsd y x)))
|
|
|
841
|
+
|
|
|
842
|
+(macrolet ((frob ((name translate mov sc type) &body body)
|
|
|
843
|
+ `(define-vop (,name)
|
|
|
844
|
+ (:args (x :scs (,sc)))
|
|
|
845
|
+ (:results (y :scs (,sc)))
|
|
|
846
|
+ (:translate ,translate)
|
|
|
847
|
+ (:policy :fast-safe)
|
|
|
848
|
+ (:arg-types ,type)
|
|
|
849
|
+ (:result-types ,type)
|
|
|
850
|
+ (:temporary (:sc ,sc) tmp)
|
|
|
851
|
+ (:note _N"inline float arithmetic")
|
|
|
852
|
+ (:vop-var vop)
|
|
|
853
|
+ (:save-p :compute-only)
|
|
|
854
|
+ (:generator 1
|
|
|
855
|
+ (note-this-location vop :internal-error)
|
|
|
856
|
+ (inst pcmpeqd tmp tmp) ; all 1's
|
|
|
857
|
+ ;; we should be able to do this better. what we
|
|
|
858
|
+ ;; really would like to do is use the target as the
|
|
|
859
|
+ ;; temp whenever it's not also the source
|
|
|
860
|
+ (unless (location= x y)
|
|
|
861
|
+ (inst ,mov y x))
|
|
|
862
|
+ ,@body))))
|
|
|
863
|
+ (frob (%negate/double-float %negate movsd double-reg double-float)
|
|
|
864
|
+ (inst psllq tmp 63) ; tmp = #x8000000000000000
|
|
|
865
|
+ (inst xorpd y tmp))
|
|
|
866
|
+ (frob (%negate/single-float %negate movss single-reg single-float)
|
|
|
867
|
+ (inst pslld tmp 31) ; tmp = #x80000000
|
|
|
868
|
+ (inst xorps y tmp))
|
|
|
869
|
+ (frob (abs/double-float abs movsd double-reg double-float)
|
|
|
870
|
+ (inst psrlq tmp 1) ; tmp = #x7fffffffffffffff
|
|
|
871
|
+ (inst andpd y tmp))
|
|
|
872
|
+ (frob (abs/single-float abs movss single-reg single-float)
|
|
|
873
|
+ (inst psrld tmp 1) ; tmp = #x7fffffff
|
|
|
874
|
+ (inst andps y tmp)))
|
|
|
875
|
+
|
|
|
876
|
+
|
|
|
877
|
+;;;; Comparison:
|
|
|
878
|
+
|
|
|
879
|
+#+long-float
|
|
|
880
|
+(deftransform eql ((x y) (long-float long-float))
|
|
|
881
|
+ `(and (= (long-float-low-bits x) (long-float-low-bits y))
|
|
|
882
|
+ (= (long-float-high-bits x) (long-float-high-bits y))
|
|
|
883
|
+ (= (long-float-exp-bits x) (long-float-exp-bits y))))
|
|
|
884
|
+
|
|
|
885
|
+#+double-double
|
|
|
886
|
+(deftransform eql ((x y) (double-double-float double-double-float))
|
|
|
887
|
+ '(and (eql (double-double-hi x) (double-double-hi y))
|
|
|
888
|
+ (eql (double-double-lo x) (double-double-lo y))))
|
|
|
889
|
+
|
|
|
890
|
+
|
|
|
891
|
+;;;; comparison
|
|
|
892
|
+
|
|
|
893
|
+(define-vop (float-compare)
|
|
|
894
|
+ (:conditional)
|
|
|
895
|
+ (:info target not-p)
|
|
|
896
|
+ (:policy :fast-safe)
|
|
|
897
|
+ (:vop-var vop)
|
|
|
898
|
+ (:save-p :compute-only)
|
|
|
899
|
+ (:note _N"inline float comparison"))
|
|
|
900
|
+
|
|
|
901
|
+;;; comiss and comisd can cope with one or other arg in memory: we
|
|
|
902
|
+;;; could (should, indeed) extend these to cope with descriptor args
|
|
|
903
|
+;;; and stack args
|
|
|
904
|
+
|
|
|
905
|
+(define-vop (single-float-compare float-compare)
|
|
|
906
|
+ (:args (x :scs (single-reg)) (y :scs (single-reg descriptor-reg)))
|
|
|
907
|
+ (:conditional)
|
|
|
908
|
+ (:arg-types single-float single-float))
|
|
|
909
|
+(define-vop (double-float-compare float-compare)
|
|
|
910
|
+ (:args (x :scs (double-reg)) (y :scs (double-reg descriptor-reg)))
|
|
|
911
|
+ (:conditional)
|
|
|
912
|
+ (:arg-types double-float double-float))
|
|
|
913
|
+
|
|
|
914
|
+(define-vop (=/single-float single-float-compare)
|
|
|
915
|
+ (:translate =)
|
|
|
916
|
+ (:info target not-p)
|
|
|
917
|
+ (:vop-var vop)
|
|
|
918
|
+ (:generator 3
|
|
|
919
|
+ (note-this-location vop :internal-error)
|
|
|
920
|
+ (sc-case y
|
|
|
921
|
+ (single-reg
|
|
|
922
|
+ (inst ucomiss x y))
|
|
|
923
|
+ (descriptor-reg
|
|
|
924
|
+ (inst ucomiss x (ea-for-sf-desc y))))
|
|
|
925
|
+ ;; if PF&CF, there was a NaN involved => not equal
|
|
|
926
|
+ ;; otherwise, ZF => equal
|
|
|
927
|
+ (cond (not-p
|
|
|
928
|
+ (inst jmp :p target)
|
|
|
929
|
+ (inst jmp :ne target))
|
|
|
930
|
+ (t
|
|
|
931
|
+ (let ((not-lab (gen-label)))
|
|
|
932
|
+ (inst jmp :p not-lab)
|
|
|
933
|
+ (inst jmp :e target)
|
|
|
934
|
+ (emit-label not-lab))))))
|
|
|
935
|
+
|
|
|
936
|
+(define-vop (=/double-float double-float-compare)
|
|
|
937
|
+ (:translate =)
|
|
|
938
|
+ (:info target not-p)
|
|
|
939
|
+ (:vop-var vop)
|
|
|
940
|
+ (:generator 3
|
|
|
941
|
+ (note-this-location vop :internal-error)
|
|
|
942
|
+ (sc-case y
|
|
|
943
|
+ (double-reg
|
|
|
944
|
+ (inst ucomisd x y))
|
|
|
945
|
+ (descriptor-reg
|
|
|
946
|
+ (inst ucomisd x (ea-for-df-desc y))))
|
|
|
947
|
+ (cond (not-p
|
|
|
948
|
+ (inst jmp :p target)
|
|
|
949
|
+ (inst jmp :ne target))
|
|
|
950
|
+ (t
|
|
|
951
|
+ (let ((not-lab (gen-label)))
|
|
|
952
|
+ (inst jmp :p not-lab)
|
|
|
953
|
+ (inst jmp :e target)
|
|
|
954
|
+ (emit-label not-lab))))))
|
|
|
955
|
+
|
|
|
956
|
+(define-vop (</double-float double-float-compare)
|
|
|
957
|
+ (:translate <)
|
|
|
958
|
+ (:info target not-p)
|
|
|
959
|
+ (:generator 3
|
|
|
960
|
+ (sc-case y
|
|
|
961
|
+ (double-reg
|
|
|
962
|
+ (inst comisd x y))
|
|
|
963
|
+ (descriptor-reg
|
|
|
964
|
+ (inst comisd x (ea-for-df-desc y))))
|
|
|
965
|
+ (cond (not-p
|
|
|
966
|
+ (inst jmp :p target)
|
|
|
967
|
+ (inst jmp :nc target))
|
|
|
968
|
+ (t
|
|
|
969
|
+ (let ((not-lab (gen-label)))
|
|
|
970
|
+ (inst jmp :p not-lab)
|
|
|
971
|
+ (inst jmp :c target)
|
|
|
972
|
+ (emit-label not-lab))))))
|
|
|
973
|
+
|
|
|
974
|
+(define-vop (</single-float single-float-compare)
|
|
|
975
|
+ (:translate <)
|
|
|
976
|
+ (:info target not-p)
|
|
|
977
|
+ (:generator 3
|
|
|
978
|
+ (sc-case y
|
|
|
979
|
+ (single-reg
|
|
|
980
|
+ (inst comiss x y))
|
|
|
981
|
+ (descriptor-reg
|
|
|
982
|
+ (inst comiss x (ea-for-sf-desc y))))
|
|
|
983
|
+ (cond (not-p
|
|
|
984
|
+ (inst jmp :p target)
|
|
|
985
|
+ (inst jmp :nc target))
|
|
|
986
|
+ (t
|
|
|
987
|
+ (let ((not-lab (gen-label)))
|
|
|
988
|
+ (inst jmp :p not-lab)
|
|
|
989
|
+ (inst jmp :c target)
|
|
|
990
|
+ (emit-label not-lab))))))
|
|
|
991
|
+
|
|
|
992
|
+(define-vop (>/double-float double-float-compare)
|
|
|
993
|
+ (:translate >)
|
|
|
994
|
+ (:info target not-p)
|
|
|
995
|
+ (:generator 3
|
|
|
996
|
+ (sc-case y
|
|
|
997
|
+ (double-reg
|
|
|
998
|
+ (inst comisd x y))
|
|
|
999
|
+ (descriptor-reg
|
|
|
1000
|
+ (inst comisd x (ea-for-df-desc y))))
|
|
|
1001
|
+ (cond (not-p
|
|
|
1002
|
+ (inst jmp :p target)
|
|
|
1003
|
+ (inst jmp :na target))
|
|
|
1004
|
+ (t
|
|
|
1005
|
+ (let ((not-lab (gen-label)))
|
|
|
1006
|
+ (inst jmp :p not-lab)
|
|
|
1007
|
+ (inst jmp :a target)
|
|
|
1008
|
+ (emit-label not-lab))))))
|
|
|
1009
|
+
|
|
|
1010
|
+(define-vop (>/single-float single-float-compare)
|
|
|
1011
|
+ (:translate >)
|
|
|
1012
|
+ (:info target not-p)
|
|
|
1013
|
+ (:generator 3
|
|
|
1014
|
+ (sc-case y
|
|
|
1015
|
+ (single-reg
|
|
|
1016
|
+ (inst comiss x y))
|
|
|
1017
|
+ (descriptor-reg
|
|
|
1018
|
+ (inst comiss x (ea-for-sf-desc y))))
|
|
|
1019
|
+ (cond (not-p
|
|
|
1020
|
+ (inst jmp :p target)
|
|
|
1021
|
+ (inst jmp :na target))
|
|
|
1022
|
+ (t
|
|
|
1023
|
+ (let ((not-lab (gen-label)))
|
|
|
1024
|
+ (inst jmp :p not-lab)
|
|
|
1025
|
+ (inst jmp :a target)
|
|
|
1026
|
+ (emit-label not-lab))))))
|
|
|
1027
|
+
|
|
|
1028
|
+
|
|
|
1029
|
+
|
|
|
1030
|
+;;;; Conversion:
|
|
|
1031
|
+
|
|
|
1032
|
+(macrolet ((frob (name translate inst to-sc to-type)
|
|
|
1033
|
+ `(define-vop (,name)
|
|
|
1034
|
+ (:args (x :scs (signed-stack signed-reg)))
|
|
|
1035
|
+ (:results (y :scs (,to-sc)))
|
|
|
1036
|
+ (:arg-types signed-num)
|
|
|
1037
|
+ (:result-types ,to-type)
|
|
|
1038
|
+ (:policy :fast-safe)
|
|
|
1039
|
+ (:note _N"inline float coercion")
|
|
|
1040
|
+ (:translate ,translate)
|
|
|
1041
|
+ (:vop-var vop)
|
|
|
1042
|
+ (:save-p :compute-only)
|
|
|
1043
|
+ (:generator 5
|
|
|
1044
|
+ (sc-case x
|
|
|
1045
|
+ (signed-reg
|
|
|
1046
|
+ (note-this-location vop :internal-error)
|
|
|
1047
|
+ (inst ,inst y x))
|
|
|
1048
|
+ (signed-stack
|
|
|
1049
|
+ (note-this-location vop :internal-error)
|
|
|
1050
|
+ (inst ,inst y x)))))))
|
|
|
1051
|
+ (frob %single-float/signed %single-float cvtsi2ss single-reg single-float)
|
|
|
1052
|
+ (frob %double-float/signed %double-float cvtsi2sd double-reg double-float))
|
|
|
1053
|
+
|
|
|
1054
|
+(macrolet ((frob (name translate inst from-sc from-type to-sc to-type)
|
|
|
1055
|
+ (let ((ea (if (eq from-sc 'single-reg)
|
|
|
1056
|
+ 'ea-for-sf-desc
|
|
|
1057
|
+ 'ea-for-df-desc)))
|
|
|
1058
|
+ `(define-vop (,name)
|
|
|
1059
|
+ (:args (x :scs (,from-sc descriptor-reg) :target y))
|
|
|
1060
|
+ (:results (y :scs (,to-sc)))
|
|
|
1061
|
+ (:arg-types ,from-type)
|
|
|
1062
|
+ (:result-types ,to-type)
|
|
|
1063
|
+ (:policy :fast-safe)
|
|
|
1064
|
+ (:note _N"inline float coercion")
|
|
|
1065
|
+ (:translate ,translate)
|
|
|
1066
|
+ (:vop-var vop)
|
|
|
1067
|
+ (:save-p :compute-only)
|
|
|
1068
|
+ (:generator 2
|
|
|
1069
|
+ (note-this-location vop :internal-error)
|
|
|
1070
|
+ (sc-case x
|
|
|
1071
|
+ (,from-sc
|
|
|
1072
|
+ (inst ,inst y x))
|
|
|
1073
|
+ (descriptor-reg
|
|
|
1074
|
+ (inst ,inst y (,ea x)))))))))
|
|
|
1075
|
+ (frob %single-float/double-float %single-float cvtsd2ss double-reg
|
|
|
1076
|
+ double-float single-reg single-float)
|
|
|
1077
|
+
|
|
|
1078
|
+ (frob %double-float/single-float %double-float cvtss2sd
|
|
|
1079
|
+ single-reg single-float double-reg double-float))
|
|
|
1080
|
+
|
|
|
1081
|
+(macrolet ((frob (trans inst from-sc from-type round-p)
|
|
|
1082
|
+ (declare (ignore round-p))
|
|
|
1083
|
+ (let ((ea (if (eq from-sc 'single-reg)
|
|
|
1084
|
+ 'ea-for-sf-desc
|
|
|
1085
|
+ 'ea-for-df-desc)))
|
|
|
1086
|
+ `(define-vop (,(symbolicate trans "/" from-type))
|
|
|
1087
|
+ (:args (x :scs (,from-sc descriptor-reg)))
|
|
|
1088
|
+ (:temporary (:sc any-reg) temp-reg)
|
|
|
1089
|
+ (:results (y :scs (signed-reg)))
|
|
|
1090
|
+ (:arg-types ,from-type)
|
|
|
1091
|
+ (:result-types signed-num)
|
|
|
1092
|
+ (:translate ,trans)
|
|
|
1093
|
+ (:policy :fast-safe)
|
|
|
1094
|
+ (:note _N"inline float truncate")
|
|
|
1095
|
+ (:vop-var vop)
|
|
|
1096
|
+ (:save-p :compute-only)
|
|
|
1097
|
+ (:generator 5
|
|
|
1098
|
+ (sc-case y
|
|
|
1099
|
+ (signed-stack
|
|
|
1100
|
+ (sc-case x
|
|
|
1101
|
+ (,from-sc
|
|
|
1102
|
+ (inst ,inst temp-reg x))
|
|
|
1103
|
+ (descriptor-reg
|
|
|
1104
|
+ (inst ,inst temp-reg (,ea x))))
|
|
|
1105
|
+ (move y temp-reg))
|
|
|
1106
|
+ (signed-reg
|
|
|
1107
|
+ (sc-case x
|
|
|
1108
|
+ (,from-sc
|
|
|
1109
|
+ (inst ,inst y x))
|
|
|
1110
|
+ (descriptor-reg
|
|
|
1111
|
+ (inst ,inst y (,ea x)))))))))))
|
|
|
1112
|
+ (frob %unary-truncate cvttss2si single-reg single-float nil)
|
|
|
1113
|
+ (frob %unary-truncate cvttsd2si double-reg double-float nil)
|
|
|
1114
|
+
|
|
|
1115
|
+ (frob %unary-round cvtss2si single-reg single-float t)
|
|
|
1116
|
+ (frob %unary-round cvtsd2si double-reg double-float t))
|
|
|
1117
|
+
|
|
|
1118
|
+(define-vop (fast-unary-ftruncate/single-float)
|
|
|
1119
|
+ (:args (x :scs (single-reg descriptor-reg)))
|
|
|
1120
|
+ (:arg-types single-float)
|
|
|
1121
|
+ (:results (r :scs (single-reg)))
|
|
|
1122
|
+ (:result-types single-float)
|
|
|
1123
|
+ (:policy :fast-safe)
|
|
|
1124
|
+ (:translate c::fast-unary-ftruncate)
|
|
|
1125
|
+ (:temporary (:sc signed-reg) temp)
|
|
|
1126
|
+ (:note _N"inline ftruncate")
|
|
|
1127
|
+ (:generator 2
|
|
|
1128
|
+ (sc-case x
|
|
|
1129
|
+ (single-reg
|
|
|
1130
|
+ (inst cvttss2si temp x))
|
|
|
1131
|
+ (descriptor-reg
|
|
|
1132
|
+ (inst cvttss2si temp (ea-for-sf-desc x))))
|
|
|
1133
|
+ (inst cvtsi2ss r temp)))
|
|
|
1134
|
+
|
|
|
1135
|
+(define-vop (fast-unary-ftruncate/double-float)
|
|
|
1136
|
+ (:args (x :scs (double-reg descriptor-reg) :target r))
|
|
|
1137
|
+ (:arg-types double-float)
|
|
|
1138
|
+ (:results (r :scs (double-reg)))
|
|
|
1139
|
+ (:result-types double-float)
|
|
|
1140
|
+ (:policy :fast-safe)
|
|
|
1141
|
+ (:translate c::fast-unary-ftruncate)
|
|
|
1142
|
+ (:temporary (:sc signed-reg) temp)
|
|
|
1143
|
+ (:note _N"inline ftruncate")
|
|
|
1144
|
+ (:generator 2
|
|
|
1145
|
+ (sc-case x
|
|
|
1146
|
+ (double-reg
|
|
|
1147
|
+ (inst cvttsd2si temp x))
|
|
|
1148
|
+ (descriptor-reg
|
|
|
1149
|
+ (inst cvttsd2si temp (ea-for-df-desc x))))
|
|
|
1150
|
+ (inst cvtsi2sd r temp)))
|
|
|
1151
|
+
|
|
|
1152
|
+(define-vop (make-single-float)
|
|
|
1153
|
+ (:args (bits :scs (signed-reg) :target res
|
|
|
1154
|
+ :load-if (not (or (and (sc-is bits signed-stack)
|
|
|
1155
|
+ (sc-is res single-reg))
|
|
|
1156
|
+ (and (sc-is bits signed-stack)
|
|
|
1157
|
+ (sc-is res single-stack)
|
|
|
1158
|
+ (location= bits res))))))
|
|
|
1159
|
+ (:results (res :scs (single-reg single-stack)))
|
|
|
1160
|
+ (:arg-types signed-num)
|
|
|
1161
|
+ (:result-types single-float)
|
|
|
1162
|
+ (:translate make-single-float)
|
|
|
1163
|
+ (:policy :fast-safe)
|
|
|
1164
|
+ (:vop-var vop)
|
|
|
1165
|
+ (:generator 4
|
|
|
1166
|
+ (sc-case res
|
|
|
1167
|
+ (single-stack
|
|
|
1168
|
+ (sc-case bits
|
|
|
1169
|
+ (signed-reg
|
|
|
1170
|
+ (inst mov res bits))
|
|
|
1171
|
+ (signed-stack
|
|
|
1172
|
+ (assert (location= bits res)))))
|
|
|
1173
|
+ (single-reg
|
|
|
1174
|
+ (sc-case bits
|
|
|
1175
|
+ (signed-reg
|
|
|
1176
|
+ (inst movd res bits))
|
|
|
1177
|
+ (signed-stack
|
|
|
1178
|
+ (inst movd res bits)))))))
|
|
|
1179
|
+
|
|
|
1180
|
+(define-vop (make-double-float)
|
|
|
1181
|
+ (:args (hi-bits :scs (signed-reg))
|
|
|
1182
|
+ (lo-bits :scs (unsigned-reg)))
|
|
|
1183
|
+ (:results (res :scs (double-reg)))
|
|
|
1184
|
+ (:arg-types signed-num unsigned-num)
|
|
|
1185
|
+ (:result-types double-float)
|
|
|
1186
|
+ (:translate make-double-float)
|
|
|
1187
|
+ (:temporary (:sc double-reg) temp)
|
|
|
1188
|
+ (:policy :fast-safe)
|
|
|
1189
|
+ (:vop-var vop)
|
|
|
1190
|
+ (:generator 4
|
|
|
1191
|
+ (inst movd temp hi-bits)
|
|
|
1192
|
+ (inst psllq temp 32)
|
|
|
1193
|
+ (inst movd res lo-bits)
|
|
|
1194
|
+ (inst orpd res temp)))
|
|
|
1195
|
+
|
|
|
1196
|
+(define-vop (single-float-bits)
|
|
|
1197
|
+ (:args (float :scs (single-reg descriptor-reg)
|
|
|
1198
|
+ :load-if (not (sc-is float single-stack))))
|
|
|
1199
|
+ (:results (bits :scs (signed-reg)))
|
|
|
1200
|
+ (:arg-types single-float)
|
|
|
1201
|
+ (:result-types signed-num)
|
|
|
1202
|
+ (:translate single-float-bits)
|
|
|
1203
|
+ (:policy :fast-safe)
|
|
|
1204
|
+ (:vop-var vop)
|
|
|
1205
|
+ (:generator 4
|
|
|
1206
|
+ (sc-case bits
|
|
|
1207
|
+ (signed-reg
|
|
|
1208
|
+ (sc-case float
|
|
|
1209
|
+ (single-reg
|
|
|
1210
|
+ (inst movd bits float))
|
|
|
1211
|
+ (single-stack
|
|
|
1212
|
+ (move bits float))
|
|
|
1213
|
+ (descriptor-reg
|
|
|
1214
|
+ (loadw
|
|
|
1215
|
+ bits float vm:single-float-value-slot vm:other-pointer-type))))
|
|
|
1216
|
+ (signed-stack
|
|
|
1217
|
+ (sc-case float
|
|
|
1218
|
+ (single-reg
|
|
|
1219
|
+ (inst movss bits float)))))))
|
|
|
1220
|
+
|
|
|
1221
|
+(define-vop (double-float-high-bits)
|
|
|
1222
|
+ (:args (float :scs (double-reg descriptor-reg)
|
|
|
1223
|
+ :load-if (not (sc-is float double-stack))))
|
|
|
1224
|
+ (:results (hi-bits :scs (signed-reg)))
|
|
|
1225
|
+ (:temporary (:sc double-reg) temp)
|
|
|
1226
|
+ (:arg-types double-float)
|
|
|
1227
|
+ (:result-types signed-num)
|
|
|
1228
|
+ (:translate double-float-high-bits)
|
|
|
1229
|
+ (:policy :fast-safe)
|
|
|
1230
|
+ (:vop-var vop)
|
|
|
1231
|
+ (:generator 5
|
|
|
1232
|
+ (sc-case float
|
|
|
1233
|
+ (double-reg
|
|
|
1234
|
+ (inst movq temp float)
|
|
|
1235
|
+ (inst psrlq temp 32)
|
|
|
1236
|
+ (inst movd hi-bits temp))
|
|
|
1237
|
+ (double-stack
|
|
|
1238
|
+ (loadw hi-bits ebp-tn (- (1+ (tn-offset float)))))
|
|
|
1239
|
+ (descriptor-reg
|
|
|
1240
|
+ (loadw hi-bits float (1+ double-float-value-slot)
|
|
|
1241
|
+ vm:other-pointer-type)))))
|
|
|
1242
|
+
|
|
|
1243
|
+(define-vop (double-float-low-bits)
|
|
|
1244
|
+ (:args (float :scs (double-reg descriptor-reg)
|
|
|
1245
|
+ :load-if (not (sc-is float double-stack))))
|
|
|
1246
|
+ (:results (lo-bits :scs (unsigned-reg)))
|
|
|
1247
|
+ (:arg-types double-float)
|
|
|
1248
|
+ (:result-types unsigned-num)
|
|
|
1249
|
+ (:translate double-float-low-bits)
|
|
|
1250
|
+ (:policy :fast-safe)
|
|
|
1251
|
+ (:vop-var vop)
|
|
|
1252
|
+ (:generator 5
|
|
|
1253
|
+ (sc-case float
|
|
|
1254
|
+ (double-reg
|
|
|
1255
|
+ (inst movd lo-bits float))
|
|
|
1256
|
+ (double-stack
|
|
|
1257
|
+ (loadw lo-bits ebp-tn (- (+ 2 (tn-offset float)))))
|
|
|
1258
|
+ (descriptor-reg
|
|
|
1259
|
+ (loadw lo-bits float vm:double-float-value-slot
|
|
|
1260
|
+ vm:other-pointer-type)))))
|
|
|
1261
|
+
|
|
|
1262
|
+(define-vop (double-float-bits)
|
|
|
1263
|
+ (:args (float :scs (double-reg descriptor-reg)
|
|
|
1264
|
+ :load-if (not (sc-is float double-stack))
|
|
|
1265
|
+ :to (:result 1)))
|
|
|
1266
|
+ (:results (hi-bits :scs (signed-reg))
|
|
|
1267
|
+ (lo-bits :scs (unsigned-reg)))
|
|
|
1268
|
+ (:arg-types double-float)
|
|
|
1269
|
+ (:result-types signed-num unsigned-num)
|
|
|
1270
|
+ (:temporary (:sc double-reg) temp)
|
|
|
1271
|
+ (:translate kernel::double-float-bits)
|
|
|
1272
|
+ (:policy :fast-safe)
|
|
|
1273
|
+ (:vop-var vop)
|
|
|
1274
|
+ (:generator 5
|
|
|
1275
|
+ (sc-case float
|
|
|
1276
|
+ (double-reg
|
|
|
1277
|
+ (inst movq temp float)
|
|
|
1278
|
+ (inst movd lo-bits temp)
|
|
|
1279
|
+ (inst psrlq temp 32)
|
|
|
1280
|
+ (inst movd hi-bits temp))
|
|
|
1281
|
+ (double-stack
|
|
|
1282
|
+ (loadw hi-bits ebp-tn (- (+ 1 (tn-offset float))))
|
|
|
1283
|
+ (loadw lo-bits ebp-tn (- (+ 2 (tn-offset float)))))
|
|
|
1284
|
+ (descriptor-reg
|
|
|
1285
|
+ (loadw hi-bits float (1+ double-float-value-slot)
|
|
|
1286
|
+ vm:other-pointer-type)
|
|
|
1287
|
+ (loadw lo-bits float vm:double-float-value-slot
|
|
|
1288
|
+ vm:other-pointer-type)))))
|
|
|
1289
|
+
|
|
|
1290
|
+
|
|
|
1291
|
+;;;; Float mode hackery:
|
|
|
1292
|
+
|
|
|
1293
|
+(deftype float-modes () '(unsigned-byte 24))
|
|
|
1294
|
+
|
|
|
1295
|
+;; For the record, here is the format of the MXCSR register.
|
|
|
1296
|
+;;
|
|
|
1297
|
+;; Bit
|
|
|
1298
|
+;; 31-16 Reserved
|
|
|
1299
|
+;; 15 Flush to zero
|
|
|
1300
|
+;; 14-13 Rounding control
|
|
|
1301
|
+;; 12 precision mask (inexact)
|
|
|
1302
|
+;; 11 underflow mask
|
|
|
1303
|
+;; 10 overflow mask
|
|
|
1304
|
+;; 9 divide-by-zero mask
|
|
|
1305
|
+;; 8 denormal operation mask
|
|
|
1306
|
+;; 7 invalid operation mask
|
|
|
1307
|
+;; 6 denormals-are-zeros
|
|
|
1308
|
+;; 5 precision flag (inexact)
|
|
|
1309
|
+;; 4 underflow flag
|
|
|
1310
|
+;; 3 overflow flag
|
|
|
1311
|
+;; 2 divide-by-zero flag
|
|
|
1312
|
+;; 1 denormal operation flag
|
|
|
1313
|
+;; 0 invalid operation flag
|
|
|
1314
|
+;;
|
|
|
1315
|
+;; See below for rounding control
|
|
|
1316
|
+(defknown sse2-floating-point-modes () float-modes (flushable))
|
|
|
1317
|
+(defknown ((setf sse2-floating-point-modes)) (float-modes) float-modes)
|
|
|
1318
|
+
|
|
|
1319
|
+;; Returns exactly the mxcsr register, except the masks are flipped
|
|
|
1320
|
+;; because we want exception enable flags, not masks.
|
|
|
1321
|
+(define-vop (sse2-floating-point-modes)
|
|
|
1322
|
+ (:results (result :scs (unsigned-reg)))
|
|
|
1323
|
+ (:result-types unsigned-num)
|
|
|
1324
|
+ (:translate sse2-floating-point-modes)
|
|
|
1325
|
+ (:policy :fast-safe)
|
|
|
1326
|
+ (:temporary (:sc unsigned-stack) temp)
|
|
|
1327
|
+ (:generator 3
|
|
|
1328
|
+ (inst stmxcsr temp)
|
|
|
1329
|
+ (inst mov result temp)
|
|
|
1330
|
+ (inst xor result (ash #x3f 7))))
|
|
|
1331
|
+
|
|
|
1332
|
+;; Set mxcsr exactly to whatever is given, except we invert the
|
|
|
1333
|
+;; exception enable flags to make them match the exception mask flags.
|
|
|
1334
|
+(define-vop (set-sse2-floating-point-modes)
|
|
|
1335
|
+ (:args (new :scs (unsigned-reg) :to :result :target res))
|
|
|
1336
|
+ (:arg-types unsigned-num)
|
|
|
1337
|
+ (:results (res :scs (unsigned-reg)))
|
|
|
1338
|
+ (:result-types unsigned-num)
|
|
|
1339
|
+ (:translate (setf sse2-floating-point-modes))
|
|
|
1340
|
+ (:policy :fast-safe)
|
|
|
1341
|
+ (:temporary (:sc unsigned-stack) cw-stack)
|
|
|
1342
|
+ (:temporary (:sc unsigned-reg) temp)
|
|
|
1343
|
+ (:generator 8
|
|
|
1344
|
+ ;; The high 16 bits are reserved and will cause a segfault if set,
|
|
|
1345
|
+ ;; so clear out those bits.
|
|
|
1346
|
+ (inst mov temp new)
|
|
|
1347
|
+ (inst and temp #xffff)
|
|
|
1348
|
+ (inst xor temp (ash #x3f 7)) ; Convert enables to masks
|
|
|
1349
|
+ (inst mov cw-stack temp)
|
|
|
1350
|
+ (inst ldmxcsr cw-stack)
|
|
|
1351
|
+ (move res new)))
|
|
|
1352
|
+
|
|
|
1353
|
+;; For the record here is the format of the x87 control and status
|
|
|
1354
|
+;; words:
|
|
|
1355
|
+;;
|
|
|
1356
|
+;; Status word:
|
|
|
1357
|
+;;
|
|
|
1358
|
+;; Bit
|
|
|
1359
|
+;; 15 FPU Busy
|
|
|
1360
|
+;; 14 Condition code C3
|
|
|
1361
|
+;; 13-11 top of stack
|
|
|
1362
|
+;; 10 Condition code C2
|
|
|
1363
|
+;; 9 Condition code C1
|
|
|
1364
|
+;; 8 Condition code C0
|
|
|
1365
|
+;; 7 Error summary status
|
|
|
1366
|
+;; 6 Stack fault
|
|
|
1367
|
+;; 5 precision flag (inexact)
|
|
|
1368
|
+;; 4 underflow flag
|
|
|
1369
|
+;; 3 overflow flag
|
|
|
1370
|
+;; 2 divide-by-zero flag
|
|
|
1371
|
+;; 1 denormal operation flag
|
|
|
1372
|
+;; 0 invalid operation flag
|
|
|
1373
|
+;;
|
|
|
1374
|
+;; Control word
|
|
|
1375
|
+;;
|
|
|
1376
|
+;; Bit
|
|
|
1377
|
+;; 15-13 Reserved
|
|
|
1378
|
+;; 12 Infinity control
|
|
|
1379
|
+;; 11-10 Rounding control
|
|
|
1380
|
+;; 9-8 Precision control
|
|
|
1381
|
+;; 7-6 Reserved
|
|
|
1382
|
+;; 5 precision mask (inexact)
|
|
|
1383
|
+;; 4 underflow mask
|
|
|
1384
|
+;; 3 overflow mask
|
|
|
1385
|
+;; 2 divide-by-zero mask
|
|
|
1386
|
+;; 1 denormal operation mask
|
|
|
1387
|
+;; 0 invalid operation mask
|
|
|
1388
|
+;;
|
|
|
1389
|
+;; Round control:
|
|
|
1390
|
+;;
|
|
|
1391
|
+;; 00 nearest
|
|
|
1392
|
+;; 01 negative infinity
|
|
|
1393
|
+;; 10 positive infinity
|
|
|
1394
|
+;; 11 zero (truncate)
|
|
|
1395
|
+;;
|
|
|
1396
|
+;; Precision control
|
|
|
1397
|
+;;
|
|
|
1398
|
+;; 00 single precision (24 bits)
|
|
|
1399
|
+;; 01 reserved
|
|
|
1400
|
+;; 10 double precision (53 bits)
|
|
|
1401
|
+;; 11 double extended precision (64 bits)
|
|
|
1402
|
+
|
|
|
1403
|
+(defknown x87-floating-point-modes () float-modes (flushable))
|
|
|
1404
|
+(defknown ((setf x87-floating-point-modes)) (float-modes)
|
|
|
1405
|
+ float-modes)
|
|
|
1406
|
+
|
|
|
1407
|
+;; Extract the control and status words from the FPU. The low 16 bits
|
|
|
1408
|
+;; contain the control word, and the high 16 bits contain the status.
|
|
|
1409
|
+(define-vop (x87-floating-point-modes)
|
|
|
1410
|
+ (:results (res :scs (unsigned-reg)))
|
|
|
1411
|
+ (:result-types unsigned-num)
|
|
|
1412
|
+ (:translate x87-floating-point-modes)
|
|
|
1413
|
+ (:policy :fast-safe)
|
|
|
1414
|
+ (:temporary (:sc unsigned-stack) cw-stack)
|
|
|
1415
|
+ (:temporary (:sc unsigned-reg :offset eax-offset) sw-reg)
|
|
|
1416
|
+ (:generator 8
|
|
|
1417
|
+ (inst fnstsw)
|
|
|
1418
|
+ (inst fnstcw cw-stack)
|
|
|
1419
|
+ (inst and sw-reg #xff) ; mask exception flags
|
|
|
1420
|
+ (inst shl sw-reg 16)
|
|
|
1421
|
+ (inst byte #x66) ; operand size prefix
|
|
|
1422
|
+ (inst or sw-reg cw-stack)
|
|
|
1423
|
+ (inst xor sw-reg #x3f) ; invert exception mask
|
|
|
1424
|
+ (move res sw-reg)))
|
|
|
1425
|
+
|
|
|
1426
|
+;; Set the control and status words from the FPU. The low 16 bits
|
|
|
1427
|
+;; contain the control word, and the high 16 bits contain the status.
|
|
|
1428
|
+(define-vop (x87-set-floating-point-modes)
|
|
|
1429
|
+ (:args (new :scs (unsigned-reg) :to :result :target res))
|
|
|
1430
|
+ (:results (res :scs (unsigned-reg)))
|
|
|
1431
|
+ (:arg-types unsigned-num)
|
|
|
1432
|
+ (:result-types unsigned-num)
|
|
|
1433
|
+ (:translate (setf x87-floating-point-modes))
|
|
|
1434
|
+ (:policy :fast-safe)
|
|
|
1435
|
+ (:temporary (:sc unsigned-stack) cw-stack)
|
|
|
1436
|
+ (:temporary (:sc byte-reg :offset al-offset) sw-reg)
|
|
|
1437
|
+ (:temporary (:sc unsigned-reg :offset ecx-offset) old)
|
|
|
1438
|
+ (:generator 6
|
|
|
1439
|
+ (inst mov cw-stack new)
|
|
|
1440
|
+ (inst xor cw-stack #x3f) ; invert exception mask
|
|
|
1441
|
+ (inst fnstsw)
|
|
|
1442
|
+ (inst fldcw cw-stack) ; always update the control word
|
|
|
1443
|
+ (inst mov old new)
|
|
|
1444
|
+ (inst shr old 16)
|
|
|
1445
|
+ (inst cmp cl-tn sw-reg) ; compare exception flags
|
|
|
1446
|
+ (inst jmp :z DONE) ; skip updating the status word
|
|
|
1447
|
+ (inst sub esp-tn 28)
|
|
|
1448
|
+ (inst fstenv (make-ea :dword :base esp-tn))
|
|
|
1449
|
+ (inst mov (make-ea :byte :base esp-tn :disp 4) cl-tn)
|
|
|
1450
|
+ (inst fldenv (make-ea :dword :base esp-tn))
|
|
|
1451
|
+ (inst add esp-tn 28)
|
|
|
1452
|
+ DONE
|
|
|
1453
|
+ (move res new)))
|
|
|
1454
|
+
|
|
|
1455
|
+
|
|
|
1456
|
+(defun sse2-floating-point-modes ()
|
|
|
1457
|
+ (sse2-floating-point-modes))
|
|
|
1458
|
+(defun (setf sse2-floating-point-modes) (new)
|
|
|
1459
|
+ (setf (sse2-floating-point-modes) new))
|
|
|
1460
|
+
|
|
|
1461
|
+(defun x87-floating-point-modes ()
|
|
|
1462
|
+ (x87-floating-point-modes))
|
|
|
1463
|
+(defun (setf x87-floating-point-modes) (new)
|
|
|
1464
|
+ (setf (x87-floating-point-modes) new))
|
|
|
1465
|
+
|
|
|
1466
|
+
|
|
|
1467
|
+;;;; Complex float VOPs
|
|
|
1468
|
+(define-vop (make-complex-single-float)
|
|
|
1469
|
+ (:translate complex)
|
|
|
1470
|
+ (:args (real :scs (single-reg) :to :save)
|
|
|
1471
|
+ (imag :scs (single-reg) :to :save))
|
|
|
1472
|
+ (:arg-types single-float single-float)
|
|
|
1473
|
+ (:results (r :scs (complex-single-reg) :from (:argument 0)
|
|
|
1474
|
+ :load-if (not (sc-is r complex-single-stack))))
|
|
|
1475
|
+ (:result-types complex-single-float)
|
|
|
1476
|
+ (:temporary (:sc complex-single-reg) temp)
|
|
|
1477
|
+ (:note _N"inline complex single-float creation")
|
|
|
1478
|
+ (:policy :fast-safe)
|
|
|
1479
|
+ (:generator 5
|
|
|
1480
|
+ (sc-case r
|
|
|
1481
|
+ (complex-single-reg
|
|
|
1482
|
+ ;; x = a + b*i = b|a
|
|
|
1483
|
+ (inst xorps temp temp) ; temp = 0|0|0|0
|
|
|
1484
|
+ (inst movss temp real) ; temp = 0|0|0|a
|
|
|
1485
|
+ (inst unpcklps temp imag) ; temp = 0|0|b|a
|
|
|
1486
|
+ (inst movaps r temp))
|
|
|
1487
|
+ (complex-single-stack
|
|
|
1488
|
+ (inst movss (ea-for-csf-real-stack r) real)
|
|
|
1489
|
+ (inst movss (ea-for-csf-imag-stack r) imag)))))
|
|
|
1490
|
+
|
|
|
1491
|
+(define-vop (make-complex-double-float)
|
|
|
1492
|
+ (:translate complex)
|
|
|
1493
|
+ (:args (real :scs (double-reg) :to :save)
|
|
|
1494
|
+ (imag :scs (double-reg) :to :save))
|
|
|
1495
|
+ (:arg-types double-float double-float)
|
|
|
1496
|
+ (:results (r :scs (complex-double-reg) :from (:argument 0)
|
|
|
1497
|
+ :load-if (not (sc-is r complex-double-stack))))
|
|
|
1498
|
+ (:result-types complex-double-float)
|
|
|
1499
|
+ (:temporary (:sc complex-double-reg) temp)
|
|
|
1500
|
+ (:note _N"inline complex double-float creation")
|
|
|
1501
|
+ (:policy :fast-safe)
|
|
|
1502
|
+ (:generator 5
|
|
|
1503
|
+ (sc-case r
|
|
|
1504
|
+ (complex-double-reg
|
|
|
1505
|
+ ;; x = a + b*i = b|a
|
|
|
1506
|
+ (inst movsd temp real) ; temp = ?|a
|
|
|
1507
|
+ (inst unpcklpd temp imag) ; temp = b|a
|
|
|
1508
|
+ (inst movapd r temp))
|
|
|
1509
|
+ (complex-double-stack
|
|
|
1510
|
+ (inst movsd (ea-for-cdf-real-stack r) real)
|
|
|
1511
|
+ (inst movsd (ea-for-cdf-imag-stack r) imag)))))
|
|
|
1512
|
+
|
|
|
1513
|
+(define-vop (realpart/complex-single-float)
|
|
|
1514
|
+ (:translate realpart)
|
|
|
1515
|
+ (:args (x :scs (complex-single-reg complex-single-stack descriptor-reg)))
|
|
|
1516
|
+ (:arg-types complex-single-float)
|
|
|
1517
|
+ (:results (r :scs (single-reg)))
|
|
|
1518
|
+ (:result-types single-float)
|
|
|
1519
|
+ (:temporary (:sc single-reg) temp)
|
|
|
1520
|
+ (:policy :fast-safe)
|
|
|
1521
|
+ (:note _N"complex float realpart")
|
|
|
1522
|
+ (:generator 3
|
|
|
1523
|
+ (sc-case x
|
|
|
1524
|
+ (complex-single-reg
|
|
|
1525
|
+ (cond ((location= r x)
|
|
|
1526
|
+ (inst xorps temp temp) ; temp = 0|0|0|0
|
|
|
1527
|
+ (inst movss temp x) ; temp = 0|0|0|x
|
|
|
1528
|
+ (inst movss r temp)) ; r = temp
|
|
|
1529
|
+ (t
|
|
|
1530
|
+ (inst xorps r r) ; temp = 0|0|0|0
|
|
|
1531
|
+ (inst movss r x)))) ; r = 0|0|0|x
|
|
|
1532
|
+ (complex-single-stack
|
|
|
1533
|
+ (inst movss r (ea-for-csf-real-stack x)))
|
|
|
1534
|
+ (descriptor-reg
|
|
|
1535
|
+ (inst movss r (ea-for-csf-real-desc x))))))
|
|
|
1536
|
+
|
|
|
1537
|
+(define-vop (realpart/complex-double-float)
|
|
|
1538
|
+ (:translate realpart)
|
|
|
1539
|
+ (:args (x :scs (complex-double-reg complex-double-stack descriptor-reg)))
|
|
|
1540
|
+ (:arg-types complex-double-float)
|
|
|
1541
|
+ (:results (r :scs (double-reg)))
|
|
|
1542
|
+ (:result-types double-float)
|
|
|
1543
|
+ (:temporary (:sc double-reg) temp)
|
|
|
1544
|
+ (:policy :fast-safe)
|
|
|
1545
|
+ (:note "complex float realpart")
|
|
|
1546
|
+ (:generator 3
|
|
|
1547
|
+ (sc-case x
|
|
|
1548
|
+ (complex-double-reg
|
|
|
1549
|
+ (cond ((location= r x)
|
|
|
1550
|
+ (inst xorpd temp temp) ; temp = 0|0
|
|
|
1551
|
+ (inst movsd temp x) ; temp = 0|x
|
|
|
1552
|
+ (inst movsd r temp)) ; r = temp
|
|
|
1553
|
+ (t
|
|
|
1554
|
+ (inst xorpd r r) ; r = 0|0
|
|
|
1555
|
+ (inst movsd r x)))) ; r = 0|x
|
|
|
1556
|
+ (complex-double-stack
|
|
|
1557
|
+ (inst movsd r (ea-for-cdf-real-stack x)))
|
|
|
1558
|
+ (descriptor-reg
|
|
|
1559
|
+ (inst movsd r (ea-for-cdf-real-desc x))))))
|
|
|
1560
|
+
|
|
|
1561
|
+(define-vop (imagpart/complex-single-float)
|
|
|
1562
|
+ (:translate imagpart)
|
|
|
1563
|
+ (:args (x :scs (complex-single-reg complex-single-stack descriptor-reg)))
|
|
|
1564
|
+ (:arg-types complex-single-float)
|
|
|
1565
|
+ (:results (r :scs (single-reg)))
|
|
|
1566
|
+ (:result-types single-float)
|
|
|
1567
|
+ (:temporary (:sc complex-single-reg) temp)
|
|
|
1568
|
+ (:policy :fast-safe)
|
|
|
1569
|
+ (:note _N"complex float imagpart")
|
|
|
1570
|
+ (:generator 3
|
|
|
1571
|
+ (sc-case x
|
|
|
1572
|
+ (complex-single-reg
|
|
|
1573
|
+ ;; x = a+b*i = b|a
|
|
|
1574
|
+ ;; Get the imag part to the low part of temp. We don't care about
|
|
|
1575
|
+ ;; the other parts of r.
|
|
|
1576
|
+ (inst movaps temp x) ; temp = u|u|b|a
|
|
|
1577
|
+ (inst shufps temp x #b01) ; temp = a|a|a|b
|
|
|
1578
|
+ (inst xorps r r) ; r = 0|0|0|0
|
|
|
1579
|
+ (inst movss r temp) ; r = 0|0|0|b
|
|
|
1580
|
+ )
|
|
|
1581
|
+ (complex-single-stack
|
|
|
1582
|
+ (inst movss r (ea-for-csf-imag-stack x)))
|
|
|
1583
|
+ (descriptor-reg
|
|
|
1584
|
+ (inst movss r (ea-for-csf-imag-desc x))))))
|
|
|
1585
|
+
|
|
|
1586
|
+(define-vop (imagpart/complex-double-float)
|
|
|
1587
|
+ (:translate imagpart)
|
|
|
1588
|
+ (:args (x :scs (complex-double-reg complex-double-stack descriptor-reg)))
|
|
|
1589
|
+ (:arg-types complex-double-float)
|
|
|
1590
|
+ (:results (r :scs (double-reg)))
|
|
|
1591
|
+ (:result-types double-float)
|
|
|
1592
|
+ (:temporary (:sc complex-double-reg) temp)
|
|
|
1593
|
+ (:policy :fast-safe)
|
|
|
1594
|
+ (:note _N"complex float imagpart")
|
|
|
1595
|
+ (:generator 3
|
|
|
1596
|
+ (sc-case x
|
|
|
1597
|
+ (complex-double-reg
|
|
|
1598
|
+ (cond ((location= r x)
|
|
|
1599
|
+ (inst xorpd temp temp) ; temp = 0|0
|
|
|
1600
|
+ (inst movhlps temp x) ; temp = 0|b
|
|
|
1601
|
+ (inst movsd r temp)) ; r = temp
|
|
|
1602
|
+ (t
|
|
|
1603
|
+ (inst xorpd r r) ; r = 0|0
|
|
|
1604
|
+ (inst movhlps r x)))) ; r = 0|b
|
|
|
1605
|
+ (complex-double-stack
|
|
|
1606
|
+ (inst movsd r (ea-for-cdf-imag-stack x)))
|
|
|
1607
|
+ (descriptor-reg
|
|
|
1608
|
+ (inst movsd r (ea-for-cdf-imag-desc x))))))
|
|
|
1609
|
+
|
|
|
1610
|
+;;; A hack dummy VOP to bias the representation selection of its
|
|
|
1611
|
+;;; argument towards a FP register which can help avoid consing at
|
|
|
1612
|
+;;; inappropriate locations.
|
|
|
1613
|
+
|
|
|
1614
|
+(defknown double-float-reg-bias (double-float) (values))
|
|
|
1615
|
+;;;
|
|
|
1616
|
+(define-vop (double-float-reg-bias)
|
|
|
1617
|
+ (:translate double-float-reg-bias)
|
|
|
1618
|
+ (:args (x :scs (double-reg double-stack) :load-if nil))
|
|
|
1619
|
+ (:arg-types double-float)
|
|
|
1620
|
+ (:policy :fast-safe)
|
|
|
1621
|
+ (:note _N"inline dummy FP register bias")
|
|
|
1622
|
+ (:ignore x)
|
|
|
1623
|
+ (:generator 0))
|
|
|
1624
|
+
|
|
|
1625
|
+(defknown single-float-reg-bias (single-float) (values))
|
|
|
1626
|
+;;;
|
|
|
1627
|
+(define-vop (single-float-reg-bias)
|
|
|
1628
|
+ (:translate single-float-reg-bias)
|
|
|
1629
|
+ (:args (x :scs (single-reg single-stack) :load-if nil))
|
|
|
1630
|
+ (:arg-types single-float)
|
|
|
1631
|
+ (:policy :fast-safe)
|
|
|
1632
|
+ (:note _N"inline dummy FP register bias")
|
|
|
1633
|
+ (:ignore x)
|
|
|
1634
|
+ (:generator 0))
|
|
|
1635
|
+
|
|
|
1636
|
+;;; Support for double-double floats
|
|
|
1637
|
+
|
|
|
1638
|
+#+double-double
|
|
|
1639
|
+(progn
|
|
|
1640
|
+
|
|
|
1641
|
+(defun double-double-reg-hi-tn (x)
|
|
|
1642
|
+ (make-random-tn :kind :normal :sc (sc-or-lose 'double-reg *backend*)
|
|
|
1643
|
+ :offset (tn-offset x)))
|
|
|
1644
|
+
|
|
|
1645
|
+(defun double-double-reg-lo-tn (x)
|
|
|
1646
|
+ (make-random-tn :kind :normal :sc (sc-or-lose 'double-reg *backend*)
|
|
|
1647
|
+ :offset (1+ (tn-offset x))))
|
|
|
1648
|
+
|
|
|
1649
|
+(define-move-function (load-double-double 4) (vop x y)
|
|
|
1650
|
+ ((double-double-stack) (double-double-reg))
|
|
|
1651
|
+ (let ((real-tn (double-double-reg-hi-tn y)))
|
|
|
1652
|
+ (inst movsd real-tn (ea-for-cdf-real-stack x)))
|
|
|
1653
|
+ (let ((imag-tn (double-double-reg-lo-tn y)))
|
|
|
1654
|
+ (inst movsd imag-tn (ea-for-cdf-imag-stack x))))
|
|
|
1655
|
+
|
|
|
1656
|
+(define-move-function (store-double-double 4) (vop x y)
|
|
|
1657
|
+ ((double-double-reg) (double-double-stack))
|
|
|
1658
|
+ (let ((real-tn (double-double-reg-hi-tn x)))
|
|
|
1659
|
+ (inst movsd (ea-for-cdf-real-stack y) real-tn))
|
|
|
1660
|
+ (let ((imag-tn (double-double-reg-lo-tn x)))
|
|
|
1661
|
+ (inst movsd (ea-for-cdf-imag-stack y) imag-tn)))
|
|
|
1662
|
+
|
|
|
1663
|
+;;; Double-double float register to register moves
|
|
|
1664
|
+
|
|
|
1665
|
+(define-vop (double-double-move)
|
|
|
1666
|
+ (:args (x :scs (double-double-reg)
|
|
|
1667
|
+ :target y :load-if (not (location= x y))))
|
|
|
1668
|
+ (:results (y :scs (double-double-reg) :load-if (not (location= x y))))
|
|
|
1669
|
+ (:note _N"double-double float move")
|
|
|
1670
|
+ (:generator 0
|
|
|
1671
|
+ (unless (location= x y)
|
|
|
1672
|
+ ;; Note the double-float-regs are aligned to every second
|
|
|
1673
|
+ ;; float register so there is not need to worry about overlap.
|
|
|
1674
|
+ (let ((x-hi (double-double-reg-hi-tn x))
|
|
|
1675
|
+ (y-hi (double-double-reg-hi-tn y)))
|
|
|
1676
|
+ (inst movsd y-hi x-hi)
|
|
|
1677
|
+ (let ((x-lo (double-double-reg-lo-tn x))
|
|
|
1678
|
+ (y-lo (double-double-reg-lo-tn y)))
|
|
|
1679
|
+ (inst movsd y-lo x-lo))))))
|
|
|
1680
|
+;;;
|
|
|
1681
|
+(define-move-vop double-double-move :move
|
|
|
1682
|
+ (double-double-reg) (double-double-reg))
|
|
|
1683
|
+
|
|
|
1684
|
+;;; Move from a complex float to a descriptor register allocating a
|
|
|
1685
|
+;;; new complex float object in the process.
|
|
|
1686
|
+
|
|
|
1687
|
+(define-vop (move-from-double-double)
|
|
|
1688
|
+ (:args (x :scs (double-double-reg) :to :save))
|
|
|
1689
|
+ (:results (y :scs (descriptor-reg)))
|
|
|
1690
|
+ (:node-var node)
|
|
|
1691
|
+ (:note _N"double double float to pointer coercion")
|
|
|
1692
|
+ (:generator 13
|
|
|
1693
|
+ (with-fixed-allocation (y vm:double-double-float-type
|
|
|
1694
|
+ vm:double-double-float-size node)
|
|
|
1695
|
+ (let ((real-tn (double-double-reg-hi-tn x)))
|
|
|
1696
|
+ (inst movsd (ea-for-cdf-real-desc y) real-tn))
|
|
|
1697
|
+ (let ((imag-tn (double-double-reg-lo-tn x)))
|
|
|
1698
|
+ (inst movsd (ea-for-cdf-imag-desc y) imag-tn)))))
|
|
|
1699
|
+;;;
|
|
|
1700
|
+(define-move-vop move-from-double-double :move
|
|
|
1701
|
+ (double-double-reg) (descriptor-reg))
|
|
|
1702
|
+
|
|
|
1703
|
+;;; Move from a descriptor to a double-double float register
|
|
|
1704
|
+
|
|
|
1705
|
+(define-vop (move-to-double-double)
|
|
|
1706
|
+ (:args (x :scs (descriptor-reg)))
|
|
|
1707
|
+ (:results (y :scs (double-double-reg)))
|
|
|
1708
|
+ (:note _N"pointer to double-double-float coercion")
|
|
|
1709
|
+ (:generator 2
|
|
|
1710
|
+ (let ((real-tn (double-double-reg-hi-tn y)))
|
|
|
1711
|
+ (inst movsd real-tn (ea-for-cdf-real-desc x)))
|
|
|
1712
|
+ (let ((imag-tn (double-double-reg-lo-tn y)))
|
|
|
1713
|
+ (inst movsd imag-tn (ea-for-cdf-imag-desc x)))))
|
|
|
1714
|
+
|
|
|
1715
|
+(define-move-vop move-to-double-double :move
|
|
|
1716
|
+ (descriptor-reg) (double-double-reg))
|
|
|
1717
|
+
|
|
|
1718
|
+;;; double-double float move-argument vop
|
|
|
1719
|
+
|
|
|
1720
|
+(define-vop (move-double-double-float-argument)
|
|
|
1721
|
+ (:args (x :scs (double-double-reg) :target y)
|
|
|
1722
|
+ (fp :scs (any-reg) :load-if (not (sc-is y double-double-reg))))
|
|
|
1723
|
+ (:results (y))
|
|
|
1724
|
+ (:note _N"double double-float argument move")
|
|
|
1725
|
+ (:generator 2
|
|
|
1726
|
+ (sc-case y
|
|
|
1727
|
+ (double-double-reg
|
|
|
1728
|
+ (unless (location= x y)
|
|
|
1729
|
+ (let ((x-real (double-double-reg-hi-tn x))
|
|
|
1730
|
+ (y-real (double-double-reg-hi-tn y)))
|
|
|
1731
|
+ (inst movsd y-real x-real))
|
|
|
1732
|
+ (let ((x-imag (double-double-reg-lo-tn x))
|
|
|
1733
|
+ (y-imag (double-double-reg-lo-tn y)))
|
|
|
1734
|
+ (inst movsd y-imag x-imag))))
|
|
|
1735
|
+ (double-double-stack
|
|
|
1736
|
+ (let ((hi-tn (double-double-reg-hi-tn x)))
|
|
|
1737
|
+ (inst movsd (ea-for-cdf-real-stack y fp) hi-tn))
|
|
|
1738
|
+ (let ((lo-tn (double-double-reg-lo-tn x)))
|
|
|
1739
|
+ (inst movsd (ea-for-cdf-imag-stack y fp) lo-tn))))))
|
|
|
1740
|
+
|
|
|
1741
|
+(define-move-vop move-double-double-float-argument :move-argument
|
|
|
1742
|
+ (double-double-reg descriptor-reg) (double-double-reg))
|
|
|
1743
|
+
|
|
|
1744
|
+
|
|
|
1745
|
+(define-vop (move-to-complex-double-double)
|
|
|
1746
|
+ (:args (x :scs (descriptor-reg)))
|
|
|
1747
|
+ (:results (y :scs (complex-double-double-reg)))
|
|
|
1748
|
+ (:note _N"pointer to complex float coercion")
|
|
|
1749
|
+ (:generator 2
|
|
|
1750
|
+ (let ((real-tn (complex-double-double-reg-real-hi-tn y)))
|
|
|
1751
|
+ (inst movsd real-tn (ea-for-cddf-real-hi-desc x)))
|
|
|
1752
|
+ (let ((real-tn (complex-double-double-reg-real-lo-tn y)))
|
|
|
1753
|
+ (inst movsd real-tn (ea-for-cddf-real-lo-desc x)))
|
|
|
1754
|
+ (let ((imag-tn (complex-double-double-reg-imag-hi-tn y)))
|
|
|
1755
|
+ (inst movsd imag-tn (ea-for-cddf-imag-hi-desc x)))
|
|
|
1756
|
+ (let ((imag-tn (complex-double-double-reg-imag-lo-tn y)))
|
|
|
1757
|
+ (inst movsd imag-tn (ea-for-cddf-imag-lo-desc x)))))
|
|
|
1758
|
+
|
|
|
1759
|
+(define-move-vop move-to-complex-double-double :move
|
|
|
1760
|
+ (descriptor-reg) (complex-double-double-reg))
|
|
|
1761
|
+
|
|
|
1762
|
+
|
|
|
1763
|
+(define-vop (make/double-double-float)
|
|
|
1764
|
+ (:args (hi :scs (double-reg) :target r
|
|
|
1765
|
+ :load-if (not (location= hi r)))
|
|
|
1766
|
+ (lo :scs (double-reg) :to :save))
|
|
|
1767
|
+ (:results (r :scs (double-double-reg) :from (:argument 0)
|
|
|
1768
|
+ :load-if (not (sc-is r double-double-stack))))
|
|
|
1769
|
+ (:arg-types double-float double-float)
|
|
|
1770
|
+ (:result-types double-double-float)
|
|
|
1771
|
+ (:translate kernel::%make-double-double-float)
|
|
|
1772
|
+ (:note _N"inline double-double-float creation")
|
|
|
1773
|
+ (:policy :fast-safe)
|
|
|
1774
|
+ (:vop-var vop)
|
|
|
1775
|
+ (:generator 5
|
|
|
1776
|
+ (sc-case r
|
|
|
1777
|
+ (double-double-reg
|
|
|
1778
|
+ (let ((r-real (double-double-reg-hi-tn r)))
|
|
|
1779
|
+ (unless (location= hi r-real)
|
|
|
1780
|
+ (inst movsd r-real hi)))
|
|
|
1781
|
+ (let ((r-imag (double-double-reg-lo-tn r)))
|
|
|
1782
|
+ (unless (location= lo r-imag)
|
|
|
1783
|
+ (inst movsd r-imag lo))))
|
|
|
1784
|
+ (double-double-stack
|
|
|
1785
|
+ (unless (location= hi r)
|
|
|
1786
|
+ (inst movsd (ea-for-cdf-real-stack r) hi))
|
|
|
1787
|
+ (inst movsd (ea-for-cdf-imag-stack r) lo)))))
|
|
|
1788
|
+
|
|
|
1789
|
+(define-vop (double-double-value)
|
|
|
1790
|
+ (:args (x :target r))
|
|
|
1791
|
+ (:results (r))
|
|
|
1792
|
+ (:variant-vars offset)
|
|
|
1793
|
+ (:policy :fast-safe)
|
|
|
1794
|
+ (:generator 3
|
|
|
1795
|
+ (cond ((sc-is x double-double-reg)
|
|
|
1796
|
+ (let ((value-tn
|
|
|
1797
|
+ (make-random-tn :kind :normal
|
|
|
1798
|
+ :sc (sc-or-lose 'double-reg *backend*)
|
|
|
1799
|
+ :offset (+ offset (tn-offset x)))))
|
|
|
1800
|
+ (unless (location= value-tn r)
|
|
|
1801
|
+ (inst movsd r value-tn))))
|
|
|
1802
|
+ ((sc-is r double-reg)
|
|
|
1803
|
+ (let ((ea (sc-case x
|
|
|
1804
|
+ (double-double-stack
|
|
|
1805
|
+ (ecase offset
|
|
|
1806
|
+ (0 (ea-for-cdf-real-stack x))
|
|
|
1807
|
+ (1 (ea-for-cdf-imag-stack x))))
|
|
|
1808
|
+ (descriptor-reg
|
|
|
1809
|
+ (ecase offset
|
|
|
1810
|
+ (0 (ea-for-cdf-real-desc x))
|
|
|
1811
|
+ (1 (ea-for-cdf-imag-desc x)))))))
|
|
|
1812
|
+ (inst movsd r ea)))
|
|
|
1813
|
+ (t (error "double-double-value VOP failure")))))
|
|
|
1814
|
+
|
|
|
1815
|
+
|
|
|
1816
|
+(define-vop (hi/double-double-value double-double-value)
|
|
|
1817
|
+ (:translate kernel::double-double-hi)
|
|
|
1818
|
+ (:args (x :scs (double-double-reg double-double-stack descriptor-reg)
|
|
|
1819
|
+ :target r))
|
|
|
1820
|
+ (:arg-types double-double-float)
|
|
|
1821
|
+ (:results (r :scs (double-reg)))
|
|
|
1822
|
+ (:result-types double-float)
|
|
|
1823
|
+ (:note _N"double-double high part")
|
|
|
1824
|
+ (:variant 0))
|
|
|
1825
|
+
|
|
|
1826
|
+(define-vop (lo/double-double-value double-double-value)
|
|
|
1827
|
+ (:translate kernel::double-double-lo)
|
|
|
1828
|
+ (:args (x :scs (double-double-reg double-double-stack descriptor-reg)
|
|
|
1829
|
+ :target r))
|
|
|
1830
|
+ (:arg-types double-double-float)
|
|
|
1831
|
+ (:results (r :scs (double-reg)))
|
|
|
1832
|
+ (:result-types double-float)
|
|
|
1833
|
+ (:note _N"double-double low part")
|
|
|
1834
|
+ (:variant 1))
|
|
|
1835
|
+
|
|
|
1836
|
+(define-vop (make-complex-double-double-float)
|
|
|
1837
|
+ (:translate complex)
|
|
|
1838
|
+ (:args (real :scs (double-double-reg) :target r
|
|
|
1839
|
+ :load-if (not (location= real r))
|
|
|
1840
|
+ )
|
|
|
1841
|
+ (imag :scs (double-double-reg) :to :save))
|
|
|
1842
|
+ (:arg-types double-double-float double-double-float)
|
|
|
1843
|
+ (:results (r :scs (complex-double-double-reg) :from (:argument 0)
|
|
|
1844
|
+ :load-if (not (sc-is r complex-double-double-stack))))
|
|
|
1845
|
+ (:result-types complex-double-double-float)
|
|
|
1846
|
+ (:note _N"inline complex double-double-float creation")
|
|
|
1847
|
+ (:policy :fast-safe)
|
|
|
1848
|
+ (:generator 5
|
|
|
1849
|
+ (sc-case r
|
|
|
1850
|
+ (complex-double-double-reg
|
|
|
1851
|
+ (let ((r-real (complex-double-double-reg-real-hi-tn r))
|
|
|
1852
|
+ (a-real (double-double-reg-hi-tn real)))
|
|
|
1853
|
+ (unless (location= a-real r-real)
|
|
|
1854
|
+ (inst movsd r-real a-real)))
|
|
|
1855
|
+ (let ((r-real (complex-double-double-reg-real-lo-tn r))
|
|
|
1856
|
+ (a-real (double-double-reg-lo-tn real)))
|
|
|
1857
|
+ (unless (location= a-real r-real)
|
|
|
1858
|
+ (inst movsd r-real a-real)))
|
|
|
1859
|
+ (let ((r-imag (complex-double-double-reg-imag-hi-tn r))
|
|
|
1860
|
+ (a-imag (double-double-reg-hi-tn imag)))
|
|
|
1861
|
+ (unless (location= a-imag r-imag)
|
|
|
1862
|
+ (inst movsd r-imag a-imag)))
|
|
|
1863
|
+ (let ((r-imag (complex-double-double-reg-imag-lo-tn r))
|
|
|
1864
|
+ (a-imag (double-double-reg-lo-tn imag)))
|
|
|
1865
|
+ (unless (location= a-imag r-imag)
|
|
|
1866
|
+ (inst movsd r-imag a-imag))))
|
|
|
1867
|
+ (complex-double-double-stack
|
|
|
1868
|
+ (unless (location= real r)
|
|
|
1869
|
+ (inst movsd (ea-for-cddf-real-hi-stack r) real))
|
|
|
1870
|
+ (let ((real-lo (double-double-reg-lo-tn real)))
|
|
|
1871
|
+ (inst movsd (ea-for-cddf-real-lo-stack r) real-lo))
|
|
|
1872
|
+ (let ((imag-val (double-double-reg-hi-tn imag)))
|
|
|
1873
|
+ (inst movsd (ea-for-cddf-imag-hi-stack r) imag-val))
|
|
|
1874
|
+ (let ((imag-val (double-double-reg-lo-tn imag)))
|
|
|
1875
|
+ (inst movsd (ea-for-cddf-imag-lo-stack r) imag-val))))))
|
|
|
1876
|
+
|
|
|
1877
|
+(define-vop (complex-double-double-float-value)
|
|
|
1878
|
+ (:args (x :scs (complex-double-double-reg descriptor-reg) :target r
|
|
|
1879
|
+ :load-if (not (sc-is x complex-double-double-stack))))
|
|
|
1880
|
+ (:arg-types complex-double-double-float)
|
|
|
1881
|
+ (:results (r :scs (double-double-reg)))
|
|
|
1882
|
+ (:result-types double-double-float)
|
|
|
1883
|
+ (:variant-vars slot)
|
|
|
1884
|
+ (:policy :fast-safe)
|
|
|
1885
|
+ (:generator 3
|
|
|
1886
|
+ (sc-case x
|
|
|
1887
|
+ (complex-double-double-reg
|
|
|
1888
|
+ (let ((value-tn (ecase slot
|
|
|
1889
|
+ (:real (complex-double-double-reg-real-hi-tn x))
|
|
|
1890
|
+ (:imag (complex-double-double-reg-imag-hi-tn x))))
|
|
|
1891
|
+ (r-hi (double-double-reg-hi-tn r)))
|
|
|
1892
|
+ (unless (location= value-tn r-hi)
|
|
|
1893
|
+ (inst movsd r-hi value-tn)))
|
|
|
1894
|
+ (let ((value-tn (ecase slot
|
|
|
1895
|
+ (:real (complex-double-double-reg-real-lo-tn x))
|
|
|
1896
|
+ (:imag (complex-double-double-reg-imag-lo-tn x))))
|
|
|
1897
|
+ (r-lo (double-double-reg-lo-tn r)))
|
|
|
1898
|
+ (unless (location= value-tn r-lo)
|
|
|
1899
|
+ (inst movsd r-lo value-tn))))
|
|
|
1900
|
+ (complex-double-double-stack
|
|
|
1901
|
+ (let ((r-hi (double-double-reg-hi-tn r)))
|
|
|
1902
|
+ (inst movsd r-hi (ecase slot
|
|
|
1903
|
+ (:real (ea-for-cddf-real-hi-stack x))
|
|
|
1904
|
+ (:imag (ea-for-cddf-imag-hi-stack x)))))
|
|
|
1905
|
+ (let ((r-lo (double-double-reg-lo-tn r)))
|
|
|
1906
|
+ (inst movsd r-lo (ecase slot
|
|
|
1907
|
+ (:real (ea-for-cddf-real-lo-stack x))
|
|
|
1908
|
+ (:imag (ea-for-cddf-imag-lo-stack x))))))
|
|
|
1909
|
+ (descriptor-reg
|
|
|
1910
|
+ (let ((r-hi (double-double-reg-hi-tn r)))
|
|
|
1911
|
+ (inst movsd r-hi (ecase slot
|
|
|
1912
|
+ (:real (ea-for-cddf-real-hi-desc x))
|
|
|
1913
|
+ (:imag (ea-for-cddf-imag-hi-desc x)))))
|
|
|
1914
|
+ (let ((r-lo (double-double-reg-lo-tn r)))
|
|
|
1915
|
+ (inst movsd r-lo (ecase slot
|
|
|
1916
|
+ (:real (ea-for-cddf-real-lo-desc x))
|
|
|
1917
|
+ (:imag (ea-for-cddf-imag-lo-desc x)))))))))
|
|
|
1918
|
+
|
|
|
1919
|
+(define-vop (realpart/complex-double-double-float complex-double-double-float-value)
|
|
|
1920
|
+ (:translate realpart)
|
|
|
1921
|
+ (:note _N"complex float realpart")
|
|
|
1922
|
+ (:variant :real))
|
|
|
1923
|
+
|
|
|
1924
|
+(define-vop (imagpart/complex-double-double-float complex-double-double-float-value)
|
|
|
1925
|
+ (:translate imagpart)
|
|
|
1926
|
+ (:note _N"complex float imagpart")
|
|
|
1927
|
+ (:variant :imag))
|
|
|
1928
|
+
|
|
|
1929
|
+); progn
|
|
|
1930
|
+
|
|
|
1931
|
+
|
|
|
1932
|
+;;; Vops for complex arithmetic. These are usually much faster than
|
|
|
1933
|
+;;; the compiler-generated code using deftransforms.
|
|
|
1934
|
+
|
|
|
1935
|
+;; Negate a complex
|
|
|
1936
|
+(macrolet
|
|
|
1937
|
+ ((negate-complex (type shift xor amount)
|
|
|
1938
|
+ (let ((name (symbolicate "%NEGATE/COMPLEX-" type "-FLOAT"))
|
|
|
1939
|
+ (sc-type (symbolicate "COMPLEX-" type "-FLOAT"))
|
|
|
1940
|
+ (sc (symbolicate "COMPLEX-" type "-REG")))
|
|
|
1941
|
+ `(define-vop (,name)
|
|
|
1942
|
+ (:translate %negate)
|
|
|
1943
|
+ (:args (x :scs (,sc) :target r))
|
|
|
1944
|
+ (:arg-types ,sc-type)
|
|
|
1945
|
+ (:results (r :scs (,sc)))
|
|
|
1946
|
+ (:result-types ,sc-type)
|
|
|
1947
|
+ (:policy :fast-safe)
|
|
|
1948
|
+ (:temporary (:scs (,sc)) t0)
|
|
|
1949
|
+ (:generator 1
|
|
|
1950
|
+ (inst pcmpeqd t0 t0) ; all ones
|
|
|
1951
|
+ (inst ,shift t0 ,amount) ; #x8000...0000
|
|
|
1952
|
+ (unless (location= x r)
|
|
|
1953
|
+ (inst movaps r x))
|
|
|
1954
|
+ (inst ,xor r t0))))))
|
|
|
1955
|
+ (negate-complex single pslld xorps 31)
|
|
|
1956
|
+ (negate-complex double psllq xorpd 63))
|
|
|
1957
|
+
|
|
|
1958
|
+;; Convert various number types to complex double-floats
|
|
|
1959
|
+(macrolet
|
|
|
1960
|
+ ((convert-complex (trans op to from)
|
|
|
1961
|
+ (let ((name (symbolicate to "/" from))
|
|
|
1962
|
+ (from-sc (symbolicate from "-REG"))
|
|
|
1963
|
+ (from-type (symbolicate from "-FLOAT"))
|
|
|
1964
|
+ (to-sc (symbolicate to "-REG"))
|
|
|
1965
|
+ (to-type (symbolicate to "-FLOAT")))
|
|
|
1966
|
+ `(define-vop (,name)
|
|
|
1967
|
+ (:translate ,trans)
|
|
|
1968
|
+ (:args (x :scs (,from-sc) :target r))
|
|
|
1969
|
+ (:arg-types ,from-type)
|
|
|
1970
|
+ (:results (r :scs (,to-sc)))
|
|
|
1971
|
+ (:result-types ,to-type)
|
|
|
1972
|
+ (:policy :fast-safe)
|
|
|
1973
|
+ (:generator 1
|
|
|
1974
|
+ ;; NOTE: We don't have 128-bit aligned objects, so we
|
|
|
1975
|
+ ;; can't use the stack or descriptors here.
|
|
|
1976
|
+ (inst ,op r x))))))
|
|
|
1977
|
+ (convert-complex %complex-double-float cvtps2pd complex-double complex-single)
|
|
|
1978
|
+ (convert-complex %complex-single-float cvtpd2ps complex-single complex-double))
|
|
|
1979
|
+
|
|
|
1980
|
+(macrolet
|
|
|
1981
|
+ ((convert-complex (trans op base-ea to from movinst)
|
|
|
1982
|
+ (let ((name (symbolicate to "/" from))
|
|
|
1983
|
+ (from-sc (symbolicate from "-REG"))
|
|
|
1984
|
+ (from-sc-stack (symbolicate from "-STACK"))
|
|
|
1985
|
+ (from-type (symbolicate from "-FLOAT"))
|
|
|
1986
|
+ (to-sc (symbolicate to "-REG"))
|
|
|
1987
|
+ (to-type (symbolicate to "-FLOAT")))
|
|
|
1988
|
+ `(define-vop (,name)
|
|
|
1989
|
+ (:translate ,trans)
|
|
|
1990
|
+ (:args (x :scs (,from-sc ,from-sc-stack descriptor-reg)
|
|
|
1991
|
+ :target r))
|
|
|
1992
|
+ (:arg-types ,from-type)
|
|
|
1993
|
+ (:results (r :scs (,to-sc)))
|
|
|
1994
|
+ (:result-types ,to-type)
|
|
|
1995
|
+ (:temporary (:sc ,to-sc) temp)
|
|
|
1996
|
+ (:policy :fast-safe)
|
|
|
1997
|
+ (:generator 1
|
|
|
1998
|
+ (sc-case x
|
|
|
1999
|
+ (,from-sc
|
|
|
2000
|
+ ;; Need to make sure the imaginary part is zero
|
|
|
2001
|
+ (cond ((location= x r)
|
|
|
2002
|
+ (inst xorps temp temp)
|
|
|
2003
|
+ (inst ,op temp x)
|
|
|
2004
|
+ (inst ,movinst r temp))
|
|
|
2005
|
+ (t
|
|
|
2006
|
+ (inst xorps r r)
|
|
|
2007
|
+ (inst ,op r x))))
|
|
|
2008
|
+ (,from-sc-stack
|
|
|
2009
|
+ (inst xorps r r)
|
|
|
2010
|
+ (inst ,op r (,(symbolicate "EA-FOR-" base-ea "-STACK") x)))
|
|
|
2011
|
+ (descriptor-reg
|
|
|
2012
|
+ (inst xorps r r)
|
|
|
2013
|
+ (inst ,op r (,(symbolicate "EA-FOR-" base-ea "-DESC") x)))))))))
|
|
|
2014
|
+ (convert-complex %complex-double-float cvtss2sd sf complex-double single movapd)
|
|
|
2015
|
+ (convert-complex %complex-single-float cvtsd2ss df complex-single double movaps))
|
|
|
2016
|
+
|
|
|
2017
|
+;; Add and subtract for two complex arguments
|
|
|
2018
|
+(macrolet
|
|
|
2019
|
+ ((generate (movinst opinst commutative)
|
|
|
2020
|
+ `(cond
|
|
|
2021
|
+ ((location= x r)
|
|
|
2022
|
+ (inst ,opinst x y))
|
|
|
2023
|
+ ((and ,commutative (location= y r))
|
|
|
2024
|
+ (inst ,opinst y x))
|
|
|
2025
|
+ ((not (location= r y))
|
|
|
2026
|
+ (inst ,movinst r x)
|
|
|
2027
|
+ (inst ,opinst r y))
|
|
|
2028
|
+ (t
|
|
|
2029
|
+ (inst ,movinst tmp x)
|
|
|
2030
|
+ (inst ,opinst tmp y)
|
|
|
2031
|
+ (inst ,movinst r tmp))))
|
|
|
2032
|
+ (complex-add/sub (op inst float-type cost &optional commutative)
|
|
|
2033
|
+ (let* ((vop-name (symbolicate (symbol-name op) "/COMPLEX-" float-type "-FLOAT"))
|
|
|
2034
|
+ (c-type (symbolicate "COMPLEX-" float-type "-FLOAT"))
|
|
|
2035
|
+ (complex-reg (symbolicate "COMPLEX-" float-type "-REG")))
|
|
|
2036
|
+ ;; Note: It would probably improve things if we could use
|
|
|
2037
|
+ ;; memory operands, but we can't because the instructions
|
|
|
2038
|
+ ;; assumed 128-bit alignment, which we can't guarantee.
|
|
|
2039
|
+ `(define-vop (,vop-name)
|
|
|
2040
|
+ (:args (x :scs (,complex-reg) :target r)
|
|
|
2041
|
+ (y :scs (,complex-reg)))
|
|
|
2042
|
+ (:results (r :scs (,complex-reg)))
|
|
|
2043
|
+ (:arg-types ,c-type ,c-type)
|
|
|
2044
|
+ (:result-types ,c-type)
|
|
|
2045
|
+ (:policy :fast-safe)
|
|
|
2046
|
+ (:note _N"inline complex float arithmetic")
|
|
|
2047
|
+ (:translate ,op)
|
|
|
2048
|
+ (:temporary (:sc ,complex-reg) tmp)
|
|
|
2049
|
+ (:generator ,cost
|
|
|
2050
|
+ (generate movaps ,inst ,commutative))))))
|
|
|
2051
|
+ (complex-add/sub + addps single 1 t)
|
|
|
2052
|
+ (complex-add/sub + addpd double 1 t)
|
|
|
2053
|
+ (complex-add/sub - subps single 1)
|
|
|
2054
|
+ (complex-add/sub - subpd double 1))
|
|
|
2055
|
+
|
|
|
2056
|
+;; Add and subtract a complex and a float
|
|
|
2057
|
+(macrolet
|
|
|
2058
|
+ ((generate (movinst opinst)
|
|
|
2059
|
+ `(cond
|
|
|
2060
|
+ ((location= x r)
|
|
|
2061
|
+ (inst ,opinst x rtmp))
|
|
|
2062
|
+ ((not (location= r rtmp))
|
|
|
2063
|
+ (inst ,movinst r x)
|
|
|
2064
|
+ (inst ,opinst r rtmp))
|
|
|
2065
|
+ (t
|
|
|
2066
|
+ (inst ,movinst tmp x)
|
|
|
2067
|
+ (inst ,opinst tmp rtmp)
|
|
|
2068
|
+ (inst ,movinst r tmp))))
|
|
|
2069
|
+ (complex-op-float (size op fop base-ea cost)
|
|
|
2070
|
+ (let ((vop-name (symbolicate "COMPLEX-" size "-FLOAT-"
|
|
|
2071
|
+ op
|
|
|
2072
|
+ "-" size "-FLOAT"))
|
|
|
2073
|
+ (complex-reg (symbolicate "COMPLEX-" size "-REG"))
|
|
|
2074
|
+ (real-reg (symbolicate size "-REG"))
|
|
|
2075
|
+ (c-type (symbolicate "COMPLEX-" size "-FLOAT"))
|
|
|
2076
|
+ (r-type (symbolicate size "-FLOAT"))
|
|
|
2077
|
+ (r-stack (symbolicate size "-STACK"))
|
|
|
2078
|
+ (ea-stack (symbolicate "EA-FOR-" base-ea "-STACK"))
|
|
|
2079
|
+ (ea-desc (symbolicate "EA-FOR-" base-ea "-DESC"))
|
|
|
2080
|
+ (loadinst (ecase size
|
|
|
2081
|
+ (single 'movss)
|
|
|
2082
|
+ (double 'movsd)))
|
|
|
2083
|
+ (movinst (ecase size
|
|
|
2084
|
+ (single 'movaps)
|
|
|
2085
|
+ (double 'movapd))))
|
|
|
2086
|
+ `(define-vop (,vop-name)
|
|
|
2087
|
+ (:args (x :scs (,complex-reg))
|
|
|
2088
|
+ (y :scs (,real-reg ,r-stack descriptor-reg)))
|
|
|
2089
|
+ (:results (r :scs (,complex-reg)))
|
|
|
2090
|
+ (:arg-types ,c-type ,r-type)
|
|
|
2091
|
+ (:result-types ,c-type)
|
|
|
2092
|
+ (:policy :fast-safe)
|
|
|
2093
|
+ (:note _N"inline complex float/float arithmetic")
|
|
|
2094
|
+ (:translate ,op)
|
|
|
2095
|
+ (:temporary (:sc ,complex-reg) tmp)
|
|
|
2096
|
+ (:temporary (:sc ,real-reg) rtmp)
|
|
|
2097
|
+ (:generator ,cost
|
|
|
2098
|
+ ;; Clear out high and low parts of temp, which will
|
|
|
2099
|
+ ;; eventually hold y.
|
|
|
2100
|
+ (inst xorpd rtmp rtmp)
|
|
|
2101
|
+ (sc-case y
|
|
|
2102
|
+ (,real-reg
|
|
|
2103
|
+ (inst ,loadinst rtmp y)
|
|
|
2104
|
+ (generate ,movinst ,fop))
|
|
|
2105
|
+ (,r-stack
|
|
|
2106
|
+ (let ((ea (,ea-stack y)))
|
|
|
2107
|
+ (inst ,loadinst rtmp ea)
|
|
|
2108
|
+ (generate ,movinst ,fop)))
|
|
|
2109
|
+ (descriptor-reg
|
|
|
2110
|
+ (let ((ea (,ea-desc y)))
|
|
|
2111
|
+ (inst ,loadinst rtmp ea)
|
|
|
2112
|
+ (generate ,movinst ,fop)))))))))
|
|
|
2113
|
+ (complex-op-float single + addps sf 1)
|
|
|
2114
|
+ (complex-op-float single - subps sf 1)
|
|
|
2115
|
+ (complex-op-float double + addpd df 1)
|
|
|
2116
|
+ (complex-op-float double - subpd df 1))
|
|
|
2117
|
+
|
|
|
2118
|
+;; Add a float and a complex
|
|
|
2119
|
+(macrolet
|
|
|
2120
|
+ ((generate (movinst opinst)
|
|
|
2121
|
+ `(cond
|
|
|
2122
|
+ ((location= x r)
|
|
|
2123
|
+ (inst ,opinst x rtmp))
|
|
|
2124
|
+ ((not (location= r y))
|
|
|
2125
|
+ (inst ,movinst r x)
|
|
|
2126
|
+ (inst ,opinst r rtmp))
|
|
|
2127
|
+ (t
|
|
|
2128
|
+ (inst ,movinst tmp x)
|
|
|
2129
|
+ (inst ,opinst tmp rtmp)
|
|
|
2130
|
+ (inst ,movinst r tmp))))
|
|
|
2131
|
+ (complex-op-float (size op fop base-ea cost)
|
|
|
2132
|
+ (let ((vop-name (symbolicate size "-FLOAT-"
|
|
|
2133
|
+ op
|
|
|
2134
|
+ "-" "COMPLEX-" size "-FLOAT"))
|
|
|
2135
|
+ (complex-reg (symbolicate "COMPLEX-" size "-REG"))
|
|
|
2136
|
+ (real-reg (symbolicate size "-REG"))
|
|
|
2137
|
+ (c-type (symbolicate "COMPLEX-" size "-FLOAT"))
|
|
|
2138
|
+ (r-type (symbolicate size "-FLOAT"))
|
|
|
2139
|
+ (r-stack (symbolicate size "-STACK"))
|
|
|
2140
|
+ (ea-stack (symbolicate "EA-FOR-" base-ea "-STACK"))
|
|
|
2141
|
+ (ea-desc (symbolicate "EA-FOR-" base-ea "-DESC"))
|
|
|
2142
|
+ (loadinst (ecase size
|
|
|
2143
|
+ (single 'movss)
|
|
|
2144
|
+ (double 'movsd)))
|
|
|
2145
|
+ (movinst (ecase size
|
|
|
2146
|
+ (single 'movaps)
|
|
|
2147
|
+ (double 'movapd))))
|
|
|
2148
|
+ `(define-vop (,vop-name)
|
|
|
2149
|
+ (:args (y :scs (,real-reg ,r-stack descriptor-reg))
|
|
|
2150
|
+ (x :scs (,complex-reg)))
|
|
|
2151
|
+ (:results (r :scs (,complex-reg)))
|
|
|
2152
|
+ (:arg-types ,r-type ,c-type)
|
|
|
2153
|
+ (:result-types ,c-type)
|
|
|
2154
|
+ (:policy :fast-safe)
|
|
|
2155
|
+ (:note _N"inline complex float/float arithmetic")
|
|
|
2156
|
+ (:translate ,op)
|
|
|
2157
|
+ (:temporary (:sc ,complex-reg) tmp)
|
|
|
2158
|
+ (:temporary (:sc ,real-reg) rtmp)
|
|
|
2159
|
+ (:generator ,cost
|
|
|
2160
|
+ (inst xorpd rtmp rtmp)
|
|
|
2161
|
+ (sc-case y
|
|
|
2162
|
+ (,real-reg
|
|
|
2163
|
+ (inst ,loadinst rtmp y)
|
|
|
2164
|
+ (generate ,movinst ,fop))
|
|
|
2165
|
+ (,r-stack
|
|
|
2166
|
+ (let ((ea (,ea-stack y)))
|
|
|
2167
|
+ (inst ,loadinst rtmp ea)
|
|
|
2168
|
+ (generate ,movinst ,fop)))
|
|
|
2169
|
+ (descriptor-reg
|
|
|
2170
|
+ (let ((ea (,ea-desc y)))
|
|
|
2171
|
+ (inst ,loadinst rtmp ea)
|
|
|
2172
|
+ (generate ,movinst ,fop)))))))))
|
|
|
2173
|
+ (complex-op-float single + addps sf 1)
|
|
|
2174
|
+ (complex-op-float double + addpd df 1))
|
|
|
2175
|
+
|
|
|
2176
|
+;; Multiply a complex by a float or a float by a complex.
|
|
|
2177
|
+(macrolet
|
|
|
2178
|
+ ((complex-*-float (float-type fmul copy cost)
|
|
|
2179
|
+ (let* ((vop-name (symbolicate "COMPLEX-"
|
|
|
2180
|
+ float-type
|
|
|
2181
|
+ "-FLOAT-*-"
|
|
|
2182
|
+ float-type
|
|
|
2183
|
+ "-FLOAT"))
|
|
|
2184
|
+ (vop-name-r (symbolicate float-type
|
|
|
2185
|
+ "-FLOAT-*-COMPLEX-"
|
|
|
2186
|
+ float-type
|
|
|
2187
|
+ "-FLOAT"))
|
|
|
2188
|
+ (complex-sc-type (symbolicate "COMPLEX-" float-type "-REG"))
|
|
|
2189
|
+ (real-sc-type (symbolicate float-type "-REG"))
|
|
|
2190
|
+ (c-type (symbolicate "COMPLEX-" float-type "-FLOAT"))
|
|
|
2191
|
+ (r-type (symbolicate float-type "-FLOAT")))
|
|
|
2192
|
+ `(progn
|
|
|
2193
|
+ ;; Complex * float
|
|
|
2194
|
+ (define-vop (,vop-name)
|
|
|
2195
|
+ (:args (x :scs (,complex-sc-type))
|
|
|
2196
|
+ (y :scs (,real-sc-type)))
|
|
|
2197
|
+ (:results (r :scs (,complex-sc-type)))
|
|
|
2198
|
+ (:arg-types ,c-type ,r-type)
|
|
|
2199
|
+ (:result-types ,c-type)
|
|
|
2200
|
+ (:policy :fast-safe)
|
|
|
2201
|
+ (:note _N"inline complex float arithmetic")
|
|
|
2202
|
+ (:translate *)
|
|
|
2203
|
+ (:temporary (:scs (,complex-sc-type)) t0)
|
|
|
2204
|
+ (:generator ,cost
|
|
|
2205
|
+ (inst movaps t0 y) ; t0 = y
|
|
|
2206
|
+ (inst ,copy t0 t0) ; t0 = y|y
|
|
|
2207
|
+ (unless (location= x r)
|
|
|
2208
|
+ (inst movaps r x)) ; r = xi|xr
|
|
|
2209
|
+ (inst ,fmul r t0)))
|
|
|
2210
|
+ (define-vop (,vop-name-r)
|
|
|
2211
|
+ (:args (x :scs (,real-sc-type))
|
|
|
2212
|
+ (y :scs (,complex-sc-type)))
|
|
|
2213
|
+ (:results (r :scs (,complex-sc-type)))
|
|
|
2214
|
+ (:arg-types ,r-type ,c-type)
|
|
|
2215
|
+ (:result-types ,c-type)
|
|
|
2216
|
+ (:policy :fast-safe)
|
|
|
2217
|
+ (:note _N"inline complex float arithmetic")
|
|
|
2218
|
+ (:translate *)
|
|
|
2219
|
+ (:temporary (:scs (,complex-sc-type)) t0)
|
|
|
2220
|
+ (:generator ,cost
|
|
|
2221
|
+ (inst movaps t0 x) ; t0 = 0|x or 0|0|0|x
|
|
|
2222
|
+ (inst ,copy t0 t0) ; t0 = x|x or 0|0|x|x
|
|
|
2223
|
+ (unless (location= y r)
|
|
|
2224
|
+ (inst movaps r y)) ; r = yi|yr or 0|0|yi|yr
|
|
|
2225
|
+ (inst ,fmul r t0)))))))
|
|
|
2226
|
+ (complex-*-float single mulps unpcklps 4)
|
|
|
2227
|
+ (complex-*-float double mulpd unpcklpd 4))
|
|
|
2228
|
+
|
|
|
2229
|
+;; Divide a complex by a real
|
|
|
2230
|
+(define-vop (complex-double-float-/-double-float)
|
|
|
2231
|
+ (:args (x :scs (complex-double-reg)) (y :scs (double-reg)))
|
|
|
2232
|
+ (:results (r :scs (complex-double-reg)))
|
|
|
2233
|
+ (:arg-types complex-double-float double-float)
|
|
|
2234
|
+ (:result-types complex-double-float)
|
|
|
2235
|
+ (:policy :fast-safe)
|
|
|
2236
|
+ (:note _N"inline complex float arithmetic")
|
|
|
2237
|
+ (:translate /)
|
|
|
2238
|
+ (:temporary (:sc complex-double-reg) t0)
|
|
|
2239
|
+ (:generator 4
|
|
|
2240
|
+ (inst movaps t0 y) ; t0 = u|y
|
|
|
2241
|
+ (inst unpcklpd t0 t0) ; t0 = y|y
|
|
|
2242
|
+ (unless (location= x r)
|
|
|
2243
|
+ (inst movaps r x)) ; r = xi|xr
|
|
|
2244
|
+ (inst divpd r t0)))
|
|
|
2245
|
+
|
|
|
2246
|
+(define-vop (complex-single-float-/-single-float)
|
|
|
2247
|
+ (:args (x :scs (complex-single-reg)) (y :scs (single-reg)))
|
|
|
2248
|
+ (:results (r :scs (complex-single-reg)))
|
|
|
2249
|
+ (:arg-types complex-single-float single-float)
|
|
|
2250
|
+ (:result-types complex-single-float)
|
|
|
2251
|
+ (:policy :fast-safe)
|
|
|
2252
|
+ (:note _N"inline complex float arithmetic")
|
|
|
2253
|
+ (:translate /)
|
|
|
2254
|
+ (:temporary (:sc complex-single-reg) t0 t1)
|
|
|
2255
|
+ (:generator 5
|
|
|
2256
|
+ ;; The upper parts of x may contain junk and dividing that by y
|
|
|
2257
|
+ ;; may cause spurious signals. Thus, copy the complex number to
|
|
|
2258
|
+ ;; the high part.
|
|
|
2259
|
+ (inst movaps t0 y) ; t0 = u|u|u|y
|
|
|
2260
|
+ (inst shufps t0 t0 0) ; t0 = y|y|y|y
|
|
|
2261
|
+ (inst movaps t1 x) ; t1 = u|u|xi|xr
|
|
|
2262
|
+ (inst movlhps t1 t1) ; t1 = xi|xr|xi|xr
|
|
|
2263
|
+ (inst divps t1 t0)
|
|
|
2264
|
+ (inst xorps t0 t0) ; t0 = 0|0|0|0
|
|
|
2265
|
+ (inst movaps r t1)
|
|
|
2266
|
+ (inst movlhps r t0)))
|
|
|
2267
|
+
|
|
|
2268
|
+(define-vop (sse3-*/complex-double-float)
|
|
|
2269
|
+ (:translate *)
|
|
|
2270
|
+ (:args (x :scs (complex-double-reg))
|
|
|
2271
|
+ (y :scs (complex-double-reg)))
|
|
|
2272
|
+ (:arg-types complex-double-float complex-double-float)
|
|
|
2273
|
+ (:results (r :scs (complex-double-reg)))
|
|
|
2274
|
+ (:result-types complex-double-float)
|
|
|
2275
|
+ (:policy :fast-safe)
|
|
|
2276
|
+ (:temporary (:scs (complex-double-reg)) t1 t2)
|
|
|
2277
|
+ (:guard (backend-featurep :sse3))
|
|
|
2278
|
+ (:generator 8
|
|
|
2279
|
+ ;; Basic algorithm from the paper "The Microarchitecture of the
|
|
|
2280
|
+ ;; Intel Pentium 4 Processor on 90nm Technololgy"
|
|
|
2281
|
+ ;;
|
|
|
2282
|
+ ;; This requires SSSE3 instructions (addsubpd, movddup).
|
|
|
2283
|
+ ;;
|
|
|
2284
|
+ ;; x = a + b*i. In sse2 reg we have: b|a
|
|
|
2285
|
+ ;; y = c + d*i. In sse2 reg we have: d|c
|
|
|
2286
|
+ (inst movddup t1 x) ; t1 = a|a
|
|
|
2287
|
+ (inst mulpd t1 y) ; t1 = a*d|a*c
|
|
|
2288
|
+ (inst movapd t2 x) ; t2 = b|a
|
|
|
2289
|
+ (inst unpckhpd t2 t2) ; t2 = b|b
|
|
|
2290
|
+ (inst mulpd t2 y) ; t2 = b*d|b*c
|
|
|
2291
|
+ (inst shufpd t2 t2 1) ; t2 = b*c|b*d
|
|
|
2292
|
+ (inst addsubpd t1 t2) ; t2 = a*d+b*c|a*c-b*d
|
|
|
2293
|
+ (inst movapd r t1)))
|
|
|
2294
|
+
|
|
|
2295
|
+(define-vop (*/complex-double-float)
|
|
|
2296
|
+ (:translate *)
|
|
|
2297
|
+ (:args (x :scs (complex-double-reg))
|
|
|
2298
|
+ (y :scs (complex-double-reg)))
|
|
|
2299
|
+ (:arg-types complex-double-float complex-double-float)
|
|
|
2300
|
+ (:results (r :scs (complex-double-reg)))
|
|
|
2301
|
+ (:result-types complex-double-float)
|
|
|
2302
|
+ (:policy :fast-safe)
|
|
|
2303
|
+ (:temporary (:scs (complex-double-reg)) t0 t1 t2)
|
|
|
2304
|
+ (:temporary (:scs (unsigned-reg)) tmp)
|
|
|
2305
|
+ (:generator 13
|
|
|
2306
|
+ ;; Basic algorithm from the paper "The Microarchitecture of the
|
|
|
2307
|
+ ;; Intel Pentium 4 Processor on 90nm Technololgy"
|
|
|
2308
|
+
|
|
|
2309
|
+ ;; x = a+b*i = b|a
|
|
|
2310
|
+ ;; y = c+d*i = d|c
|
|
|
2311
|
+ ;; r = a*c-b*d + i*(a*d+b*c)
|
|
|
2312
|
+ (inst movapd t1 y) ; t1 = d|c
|
|
|
2313
|
+ (inst movapd t2 y) ; t2 = d|c
|
|
|
2314
|
+ (inst unpcklpd t1 t1) ; t1 = c|c
|
|
|
2315
|
+ (inst unpckhpd t2 t2) ; t2 = d|d
|
|
|
2316
|
+ (inst mulpd t1 x) ; t1 = b*c|a*c
|
|
|
2317
|
+ (inst mulpd t2 x) ; t2 = b*d|a*d
|
|
|
2318
|
+ (inst shufpd t2 t2 1) ; t2 = a*d|b*d
|
|
|
2319
|
+ (inst mov tmp #x80000000)
|
|
|
2320
|
+ (inst movd t0 tmp) ; t0 = 0|0|0|#x80000000
|
|
|
2321
|
+ (inst psllq t0 32) ; t0 = 0|#x80000000,00000000
|
|
|
2322
|
+ (inst xorpd t2 t0) ; t2 = a*d|-b*d
|
|
|
2323
|
+ (inst addpd t2 t1) ; t2 = a*d+b*c | a*c-b*d
|
|
|
2324
|
+ (inst movapd r t2)))
|
|
|
2325
|
+
|
|
|
2326
|
+
|
|
|
2327
|
+(define-vop (*/complex-single-float)
|
|
|
2328
|
+ (:translate *)
|
|
|
2329
|
+ (:args (x :scs (complex-single-reg))
|
|
|
2330
|
+ (y :scs (complex-single-reg)))
|
|
|
2331
|
+ (:arg-types complex-single-float complex-single-float)
|
|
|
2332
|
+ (:results (r :scs (complex-single-reg)))
|
|
|
2333
|
+ (:result-types complex-single-float)
|
|
|
2334
|
+ (:policy :fast-safe)
|
|
|
2335
|
+ (:temporary (:scs (complex-single-reg)) t0 t1 t2)
|
|
|
2336
|
+ (:temporary (:scs (unsigned-reg)) tmp)
|
|
|
2337
|
+ (:generator 14
|
|
|
2338
|
+ ;; Basic algorithm from the paper "The Microarchitecture of the
|
|
|
2339
|
+ ;; Intel Pentium 4 Processor on 90nm Technololgy"
|
|
|
2340
|
+
|
|
|
2341
|
+ ;; x = a+b*i = b|a
|
|
|
2342
|
+ ;; y = c+d*i = d|c
|
|
|
2343
|
+ ;; r = a*c-b*d + i*(a*d+b*c)
|
|
|
2344
|
+ (inst movaps t1 y) ; t1 = u|u|d|c
|
|
|
2345
|
+ (inst movaps t2 y) ; t2 = u|u|d|c
|
|
|
2346
|
+ (inst shufps t1 t1 #b00000000) ; t1 = c|c|c|c
|
|
|
2347
|
+ (inst shufps t2 t2 #b01010101) ; t2 = d|d|d|d
|
|
|
2348
|
+ (inst mulps t1 x) ; t1 = b*c|a*c
|
|
|
2349
|
+ (inst mulps t2 x) ; t2 = b*d|a*d
|
|
|
2350
|
+ (inst shufps t2 t2 1) ; t2 = a*d|b*d
|
|
|
2351
|
+ (inst mov tmp #x80000000)
|
|
|
2352
|
+ (inst movd t0 tmp) ; t0 = 0|0|0|#x80000000
|
|
|
2353
|
+ (inst xorps t2 t0) ; t2 = a*d|-b*d
|
|
|
2354
|
+ (inst addps t2 t1) ; t2 = a*d+b*c | a*c-b*d
|
|
|
2355
|
+ (inst xorps t1 t1) ; t1 = 0|0|0|0
|
|
|
2356
|
+ (inst movaps r t2)
|
|
|
2357
|
+ (inst movlhps r t1)))
|
|
|
2358
|
+
|
|
|
2359
|
+;; Conjugate
|
|
|
2360
|
+(define-vop (conjugate/complex-double-float)
|
|
|
2361
|
+ (:translate conjugate)
|
|
|
2362
|
+ (:args (z :scs (complex-double-reg)))
|
|
|
2363
|
+ (:arg-types complex-double-float)
|
|
|
2364
|
+ (:results (r :scs (complex-double-reg)))
|
|
|
2365
|
+ (:result-types complex-double-float)
|
|
|
2366
|
+ (:policy :fast-safe)
|
|
|
2367
|
+ (:temporary (:scs (complex-double-reg)) ztmp)
|
|
|
2368
|
+ (:temporary (:scs (unsigned-reg)) tmp)
|
|
|
2369
|
+ (:generator 2
|
|
|
2370
|
+ (inst mov tmp #x80000000)
|
|
|
2371
|
+ (inst movd ztmp tmp)
|
|
|
2372
|
+ (inst psllq ztmp 32) ; ztmp = 0|#x80000000,00000000
|
|
|
2373
|
+ (inst shufpd ztmp ztmp 1) ; ztmp = #x80000000,00000000|0
|
|
|
2374
|
+ (inst xorpd ztmp z) ; ztmp = -xi|xi
|
|
|
2375
|
+ (inst movapd r ztmp)))
|
|
|
2376
|
+
|
|
|
2377
|
+(define-vop (conjugate/complex-single-float)
|
|
|
2378
|
+ (:translate conjugate)
|
|
|
2379
|
+ (:args (z :scs (complex-single-reg)))
|
|
|
2380
|
+ (:arg-types complex-single-float)
|
|
|
2381
|
+ (:results (r :scs (complex-single-reg)))
|
|
|
2382
|
+ (:result-types complex-single-float)
|
|
|
2383
|
+ (:policy :fast-safe)
|
|
|
2384
|
+ (:temporary (:scs (complex-single-reg)) ztmp)
|
|
|
2385
|
+ (:temporary (:scs (unsigned-reg)) tmp)
|
|
|
2386
|
+ (:generator 2
|
|
|
2387
|
+ (inst mov tmp #x80000000)
|
|
|
2388
|
+ (inst movd ztmp tmp)
|
|
|
2389
|
+ (inst psllq ztmp 32) ; ztmp = #x80000000|0
|
|
|
2390
|
+ (inst xorps ztmp z) ; ztmp = -xi|xr
|
|
|
2391
|
+ (inst movaps r ztmp)))
|