Raymond Toy pushed to branch issue-435-add-core-math-lisp-support at cmucl / cmucl

Commits:

• 4e342cc5
  by Raymond Toy at 2026-02-27T17:18:42-08:00

  Use the same floating-point-modes for all x86.
  
  Previously, Darwin x86 had special float-point-modes functions.
  However, with lisp_expf, we weren't signaling overflows because x87
  instructions weren't causing traps.  Use the same routines for all
  x86.
  

1 changed file:

• src/code/float-trap.lisp

Changes:

     (setf (x87-floating-point-modes) x87-modes)))

   )

-#+(and sse2 (not darwin))

+#+(and sse2)

 (progn

   (defun floating-point-modes ()

     ;; Combine the modes from the FPU and SSE2 units.  Since the sse

       (setf (vm::x87-floating-point-modes) (ldb (byte 30 0) x87-modes)))

     new-mode))

-#+(and sse2 darwin)

+#+(and nil sse2 darwin)

 (progn

   (defun floating-point-modes ()

     ;; Get just the SSE2 mode bits.