On Thu, Jan 14, 2021 at 4:00 PM H.J. Lu <hjl.to...@gmail.com> wrote:
>
> Also pass -mpreferred-stack-boundary=4 -mno-stackrealign to avoid
> disabling STV by:
>
> /* Disable STV if -mpreferred-stack-boundary={2,3} or
> -mincoming-stack-boundary={2,3} or -mstackrealign - the needed
> stack realignment will be extra cost the pass doesn't take into
> account and the pass can't realign the stack. */
> if (ix86_preferred_stack_boundary < 128
> || ix86_incoming_stack_boundary < 128
> || opts->x_ix86_force_align_arg_pointer)
> opts->x_target_flags &= ~MASK_STV;
>
> PR target/98676
> * gcc.target/i386/pr95021-1.c: Add -mpreferred-stack-boundary=4
> -mno-stackrealign.
> * gcc.target/i386/pr95021-3.c: Likewise.
OK.
Thanks,
Uros.
> ---
> gcc/testsuite/gcc.target/i386/pr95021-1.c | 2 +-
> gcc/testsuite/gcc.target/i386/pr95021-3.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/gcc/testsuite/gcc.target/i386/pr95021-1.c
> b/gcc/testsuite/gcc.target/i386/pr95021-1.c
> index a0b9a262a87..ec58596959c 100644
> --- a/gcc/testsuite/gcc.target/i386/pr95021-1.c
> +++ b/gcc/testsuite/gcc.target/i386/pr95021-1.c
> @@ -1,5 +1,5 @@
> /* { dg-do compile { target ia32 } } */
> -/* { dg-options "-O2 -msse2 -mstv -W" } */
> +/* { dg-options "-O2 -msse2 -mstv -mpreferred-stack-boundary=4
> -mno-stackrealign -W" } */
> /* { dg-final { scan-assembler "movq\[ \t\]%xmm\[0-9\]+, \\(%esp\\)" } } */
> /* { dg-final { scan-assembler-not "psrlq" } } */
>
> diff --git a/gcc/testsuite/gcc.target/i386/pr95021-3.c
> b/gcc/testsuite/gcc.target/i386/pr95021-3.c
> index 52f9e4569b3..0f16b16f793 100644
> --- a/gcc/testsuite/gcc.target/i386/pr95021-3.c
> +++ b/gcc/testsuite/gcc.target/i386/pr95021-3.c
> @@ -1,5 +1,5 @@
> /* { dg-do compile { target ia32 } } */
> -/* { dg-options "-O2 -msse2 -mstv -mregparm=3 -W -mtune=generic" } */
> +/* { dg-options "-O2 -msse2 -mstv -mpreferred-stack-boundary=4
> -mno-stackrealign -mregparm=3 -W -mtune=generic" } */
> /* { dg-final { scan-assembler "movq\[ \t\]+\[^\n\]*, %xmm" } } */
>
> #include "pr95021-1.c"
> --
> 2.29.2
>
