On Tue, Apr 15, 2025 at 1:06 AM H.J. Lu <hjl.to...@gmail.com> wrote:
>
> ix86_add_cfa_restore_note omits the REG_CFA_RESTORE REG note for registers
> pushed in red-zone. Since
>
> commit 0a074b8c7e79f9d9359d044f1499b0a9ce9d2801
> Author: H.J. Lu <hjl.to...@gmail.com>
> Date: Sun Apr 13 12:20:42 2025 -0700
>
> APX: Don't use red-zone with 32 GPRs and no caller-saved registers
>
> disabled red-zone, update gcc.target/i386/apx-interrupt-1.c to expect
> 31 .cfi_restore directives.
Hm, did you also account for RED_ZONE_RESERVE? The last 8-byte slot is
reserved for internal use by the compiler.
Uros.
>
> PR target/119784
> * gcc.target/i386/apx-interrupt-1.c: Expect 31 .cfi_restore
> directives.
>
> Signed-off-by: H.J. Lu <hjl.to...@gmail.com>
> ---
> gcc/testsuite/gcc.target/i386/apx-interrupt-1.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/testsuite/gcc.target/i386/apx-interrupt-1.c
> b/gcc/testsuite/gcc.target/i386/apx-interrupt-1.c
> index fefe2e6d6fc..fa1acc7a142 100644
> --- a/gcc/testsuite/gcc.target/i386/apx-interrupt-1.c
> +++ b/gcc/testsuite/gcc.target/i386/apx-interrupt-1.c
> @@ -66,7 +66,7 @@ void foo (void *frame)
> /* { dg-final { scan-assembler-times {\t\.cfi_offset 132, -120} 1 } } */
> /* { dg-final { scan-assembler-times {\t\.cfi_offset 131, -128} 1 } } */
> /* { dg-final { scan-assembler-times {\t\.cfi_offset 130, -136} 1 } } */
> -/* { dg-final { scan-assembler-times ".cfi_restore" 15} } */
> +/* { dg-final { scan-assembler-times ".cfi_restore" 31 } } */
> /* { dg-final { scan-assembler-times "pop(?:l|q)\[\\t \]*%(?:e|r)ax" 1 } } */
> /* { dg-final { scan-assembler-times "pop(?:l|q)\[\\t \]*%(?:e|r)bx" 1 } } */
> /* { dg-final { scan-assembler-times "pop(?:l|q)\[\\t \]*%(?:e|r)cx" 1 } } */
> --
> 2.49.0
>
