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- Log ----------------------------------------------------------------- commit 656761bda082e6c08492f34af80861ac285d6426 Author: Raymond Toy toy.raymond@gmail.com Date: Tue Apr 15 21:52:36 2014 -0700

Remove alloc_overflow_x87.

diff --git a/src/lisp/x86-assem.S b/src/lisp/x86-assem.S index f3b4344..3ab41d6 100644 --- a/src/lisp/x86-assem.S +++ b/src/lisp/x86-assem.S @@ -372,7 +372,7 @@ ENDFUNC(fastcopy16)

/* - * alloc_overflow_x87 and alloc_overflow_sse2 must not be called from + * alloc_overflow_sse2 must not be called from * C because it doesn't follow C conventions. * * On entry: @@ -380,18 +380,6 @@ ENDFUNC(fastcopy16) * On exit: * %eax = address */ -FUNCDEF(alloc_overflow_x87) - STACK_PROLOGUE(12) - movl %ecx, 8(%esp) # Save ecx and edx registers - movl %edx, 4(%esp) - movl %eax, (%esp) # Put size on stack for first arg to alloc() - call GNAME(alloc) - movl 4(%esp), %edx # Restore edx and ecx registers. eax has the return value. - movl 8(%esp), %ecx - STACK_EPILOGUE - ret -ENDFUNC(alloc_overflow_x87) - FUNCDEF(alloc_overflow_sse2) STACK_PROLOGUE(20) movl %ecx, 8(%esp) # Save ecx and edx registers

commit 68ffe6a91d28fa444cd0fc03bcfda295f491b793 Author: Raymond Toy toy.raymond@gmail.com Date: Tue Apr 15 21:46:40 2014 -0700

Add comment that 16-byte alignment is required on Darwin.

diff --git a/src/compiler/x86/sse2-c-call.lisp b/src/compiler/x86/sse2-c-call.lisp index 1e827d3..03a2967 100644 --- a/src/compiler/x86/sse2-c-call.lisp +++ b/src/compiler/x86/sse2-c-call.lisp @@ -74,7 +74,8 @@ (unless (zerop amount) (let ((delta (logandc2 (+ amount 3) 3))) (inst sub esp-tn delta))) - ;; Align the stack to a 16-byte boundary. + ;; Align the stack to a 16-byte boundary. This is required an + ;; Darwin and should be harmless everywhere else. (inst and esp-tn #xfffffff0) (move result esp-tn)))

-----------------------------------------------------------------------

Summary of changes: src/compiler/x86/sse2-c-call.lisp | 3 ++- src/lisp/x86-assem.S | 14 +------------- 2 files changed, 3 insertions(+), 14 deletions(-)

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