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i386.c (ix86_compute_frame_layout): Disable red zone for w64 abi.

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2008-06-11  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.c (ix86_compute_frame_layout): Disable red zone for
	w64 abi.
	(ix86_expand_prologue): Likewise.
	(ix86_force_to_memory): Likewise.
	(ix86_free_from_memory): Likewise.

From-SVN: r136693
This commit is contained in:
Kai Tietz 2008-06-12 09:19:35 +00:00 committed by Kai Tietz
parent 001c371924
commit 394a378ca9
2 changed files with 14 additions and 6 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2008-06-12 Kai Tietz <kai.tietz@onevision.com>
* config/i386/i386.c (ix86_compute_frame_layout): Disable red zone for
w64 abi.
(ix86_expand_prologue): Likewise.
(ix86_force_to_memory): Likewise.
(ix86_free_from_memory): Likewise.
2008-06-11 Edmar Wienskoski <edmar@freescale.com>
PR target/36425

12
gcc/config/i386/i386.c
View File

@ -6388,7 +6388,7 @@ ix86_compute_frame_layout (struct ix86_frame *frame)
|| (TARGET_64BIT && frame->to_allocate >= (HOST_WIDE_INT) 0x80000000))
frame->save_regs_using_mov = false;
if (TARGET_RED_ZONE && current_function_sp_is_unchanging
if (!TARGET_64BIT_MS_ABI && TARGET_RED_ZONE && current_function_sp_is_unchanging
&& current_function_is_leaf
&& !ix86_current_function_calls_tls_descriptor)
{
@ -6631,7 +6631,7 @@ ix86_expand_prologue (void)
avoid doing this if I am going to have to probe the stack since
at least on x86_64 the stack probe can turn into a call that clobbers
a red zone location */
if (TARGET_RED_ZONE && frame.save_regs_using_mov
if (!TARGET_64BIT_MS_ABI && TARGET_RED_ZONE && frame.save_regs_using_mov
&& (! TARGET_STACK_PROBE || allocate < CHECK_STACK_LIMIT))
ix86_emit_save_regs_using_mov (frame_pointer_needed ? hard_frame_pointer_rtx
: stack_pointer_rtx,
@ -6689,7 +6689,7 @@ ix86_expand_prologue (void)
}
if (frame.save_regs_using_mov
&& !(TARGET_RED_ZONE
&& !(!TARGET_64BIT_MS_ABI && TARGET_RED_ZONE
&& (! TARGET_STACK_PROBE || allocate < CHECK_STACK_LIMIT)))
{
if (!frame_pointer_needed || !frame.to_allocate)
@ -21943,7 +21943,7 @@ ix86_force_to_memory (enum machine_mode mode, rtx operand)
rtx result;
gcc_assert (reload_completed);
if (TARGET_RED_ZONE)
if (!TARGET_64BIT_MS_ABI && TARGET_RED_ZONE)
{
result = gen_rtx_MEM (mode,
gen_rtx_PLUS (Pmode,
@ -21951,7 +21951,7 @@ ix86_force_to_memory (enum machine_mode mode, rtx operand)
GEN_INT (-RED_ZONE_SIZE)));
emit_move_insn (result, operand);
}
else if (!TARGET_RED_ZONE && TARGET_64BIT)
else if ((TARGET_64BIT_MS_ABI || !TARGET_RED_ZONE) && TARGET_64BIT)
{
switch (mode)
{
@ -22018,7 +22018,7 @@ ix86_force_to_memory (enum machine_mode mode, rtx operand)
void
ix86_free_from_memory (enum machine_mode mode)
{
if (!TARGET_RED_ZONE)
if (!TARGET_RED_ZONE || TARGET_64BIT_MS_ABI)
{
int size;