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re PR target/53383 (Allow -mpreferred-stack-boundary=3 on x86-64) 

PR target/53383
	* config/i386/i386.c (ix86_option_override_internal): Always
	allow -mincoming-stack-boundary=3 for 64-bit targets.

testsuite/ChangeLog:

	PR target/53383
	* gcc.target/i386/pr53383-1.c (dg-options): Remove -mno-sse.
	* gcc.target/i386/pr53383-2.c (dg-options): Ditto.
	* gcc.target/i386/pr53383-3.c (dg-options): Ditto.

From-SVN: r246543
This commit is contained in:
Uros Bizjak 2017-03-28 18:51:00 +02:00
parent 92d85953a5
commit 34fac449e1
6 changed files with 19 additions and 8 deletions
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9
gcc/ChangeLog
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@ -1,7 +1,12 @@
2017-03-28 Uros Bizjak <ubizjak@gmail.com>
PR target/53383
* config/i386/i386.c (ix86_option_override_internal): Always
allow -mincoming-stack-boundary=3 for 64-bit targets.
2017-03-28 Bin Cheng <bin.cheng@arm.com>
* tree-vect-loop.c (optimize_mask_stores): Add bb to the right
loop.
* tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
2017-03-28 Bin Cheng <bin.cheng@arm.com>

5
gcc/config/i386/i386.c
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@ -5927,9 +5927,8 @@ ix86_option_override_internal (bool main_args_p,
ix86_preferred_stack_boundary = PREFERRED_STACK_BOUNDARY_DEFAULT;
if (opts_set->x_ix86_preferred_stack_boundary_arg)
{
int min = (TARGET_64BIT_P (opts->x_ix86_isa_flags)
? (TARGET_SSE_P (opts->x_ix86_isa_flags) ? 4 : 3) : 2);
int max = (TARGET_SEH ? 4 : 12);
int min = TARGET_64BIT_P (opts->x_ix86_isa_flags)? 3 : 2;
int max = TARGET_SEH ? 4 : 12;
if (opts->x_ix86_preferred_stack_boundary_arg < min
|| opts->x_ix86_preferred_stack_boundary_arg > max)

7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2017-03-28 Uros Bizjak <ubizjak@gmail.com>
PR target/53383
* gcc.target/i386/pr53383-1.c (dg-options): Remove -mno-sse.
* gcc.target/i386/pr53383-2.c (dg-options): Ditto.
* gcc.target/i386/pr53383-3.c (dg-options): Ditto.
2017-03-28 Bin Cheng <bin.cheng@arm.com>
* gcc.c-torture/compile/irreducible-loop.c: New.

2
gcc/testsuite/gcc.target/i386/pr53383-1.c
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@ -1,5 +1,5 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mno-sse -mpreferred-stack-boundary=3" } */
/* { dg-options "-O2 -mpreferred-stack-boundary=3" } */
int
bar (int x)

2
gcc/testsuite/gcc.target/i386/pr53383-2.c
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@ -1,5 +1,5 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mno-sse -mpreferred-stack-boundary=3 -mincoming-stack-boundary=3" } */
/* { dg-options "-O2 -mpreferred-stack-boundary=3 -mincoming-stack-boundary=3" } */
int
bar (int x)

2
gcc/testsuite/gcc.target/i386/pr53383-3.c
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@ -1,5 +1,5 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mno-sse -mincoming-stack-boundary=3 -mpreferred-stack-boundary=3" } */
/* { dg-options "-O2 -mincoming-stack-boundary=3 -mpreferred-stack-boundary=3" } */
int
bar (int x)