Raymond Toy pushed to branch master
at cmucl / cmucl
Commits:
-
23209c84
by Raymond Toy
at 2016-01-23T14:28:45Z
Add orps and orpd SSE2 instructions.
-
187d987e
by Raymond Toy
at 2016-01-23T14:31:09Z
Use SSE2 instructions for MAKE-DOUBLE-FLOAT
Instead of storing the high and low words to memory and then loading
it into the double-reg, use SSE2 instructions to directly create the
double-float from the high and low words.
2 changed files:
Changes:
src/compiler/x86/float-sse2.lisp
--- a/src/compiler/x86/float-sse2.lisp
+++ b/src/compiler/x86/float-sse2.lisp
@@ -1178,21 +1178,22 @@
(inst movd res bits)))))))
(define-vop (make-double-float)
- (:args (hi-bits :scs (signed-reg))
- (lo-bits :scs (unsigned-reg)))
+ (:args (hi-bits :scs (signed-reg)
+ :load-if (not (sc-is hi-bits signed-stack)))
+ (lo-bits :scs (unsigned-reg)
+ :load-if (not (sc-is lo-bits signed-stack))))
(:results (res :scs (double-reg)))
- (:temporary (:sc double-stack) temp)
(:arg-types signed-num unsigned-num)
(:result-types double-float)
(:translate make-double-float)
+ (:temporary (:sc double-reg) temp)
(:policy :fast-safe)
(:vop-var vop)
- (:generator 2
- (let ((offset (1+ (tn-offset temp))))
- (storew hi-bits ebp-tn (- offset))
- (storew lo-bits ebp-tn (- (1+ offset)))
- (inst movsd res (make-ea :dword :base ebp-tn
- :disp (- (* (1+ offset) word-bytes)))))))
+ (:generator 4
+ (inst movd temp hi-bits)
+ (inst psllq temp 32)
+ (inst movd res lo-bits)
+ (inst orpd res temp)))
(define-vop (single-float-bits)
src/compiler/x86/insts.lisp
--- a/src/compiler/x86/insts.lisp
+++ b/src/compiler/x86/insts.lisp
@@ -3146,6 +3146,8 @@
;; logical
(define-regular-sse-inst andpd #x66 #x54 t)
(define-regular-sse-inst andps nil #x54)
+ (define-regular-sse-inst orpd #x66 #x56 t)
+ (define-regular-sse-inst orps nil #x56)
(define-regular-sse-inst xorpd #x66 #x57 t)
(define-regular-sse-inst xorps nil #x57)
;; comparison