gentle ping,
> On 19 Aug 2026, at 14:27, Iain Sandoe <[email protected]> wrote:
>
> Tested on x86_64-linux, darwin, OK for trunk?
> thanks
> Iain
>
> --- 8< ---
>
> These tests now pass the function body scans on Darwin, but fail the
> scanasms for 16byte literals. This because these scan separately for
> .long 0 appearing 3 times, with no constraint on sequence. A bare
> .long 0 can also match other code (e.g. eh_frame literals) which leads
> to a fail everywhere on Darwin.
>
> Match these multi-word literals explicitly - which actually is better
> even on cfi-asm targets since it checks the literal and its memory
> order rather than the two parts independently.
>
> gcc/testsuite/ChangeLog:
>
> * gcc.target/i386/builtin-copysign-2.c: Check 16 byte literal
> explicitly.
> * gcc.target/i386/builtin-copysign-3.c: Likewise.
> * gcc.target/i386/builtin-copysign-5.c: Likewise.
> * gcc.target/i386/builtin-fabs-1.c: Likewise.
>
> Signed-off-by: Iain Sandoe <[email protected]>
> ---
> gcc/testsuite/gcc.target/i386/builtin-copysign-2.c | 3 +--
> gcc/testsuite/gcc.target/i386/builtin-copysign-3.c | 3 +--
> gcc/testsuite/gcc.target/i386/builtin-copysign-5.c | 3 +--
> gcc/testsuite/gcc.target/i386/builtin-fabs-1.c | 3 +--
> 4 files changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/gcc/testsuite/gcc.target/i386/builtin-copysign-2.c
> b/gcc/testsuite/gcc.target/i386/builtin-copysign-2.c
> index d90c5a49a3a..54d6863254b 100644
> --- a/gcc/testsuite/gcc.target/i386/builtin-copysign-2.c
> +++ b/gcc/testsuite/gcc.target/i386/builtin-copysign-2.c
> @@ -18,5 +18,4 @@ foo (float x)
> return __builtin_copysignf (x, 0.0);
> }
>
> -/* { dg-final { scan-assembler-times ".long 0" 3 { target { ! ia32 } } } } */
> -/* { dg-final { scan-assembler-times ".long 2147483647" 1 { target { ! ia32
> } } } } */
> +/* { dg-final { scan-assembler-times
> {.long\s2147483647[\n\r]+\s.long\s0[\n\r]+\s.long\s0[\n\r]+\s.long\s0} 1 {
> target { ! ia32 } } } } */
> diff --git a/gcc/testsuite/gcc.target/i386/builtin-copysign-3.c
> b/gcc/testsuite/gcc.target/i386/builtin-copysign-3.c
> index d3b4dd5a4af..c7de3935cae 100644
> --- a/gcc/testsuite/gcc.target/i386/builtin-copysign-3.c
> +++ b/gcc/testsuite/gcc.target/i386/builtin-copysign-3.c
> @@ -18,5 +18,4 @@ foo (float x)
> return __builtin_copysignf (x, -3.0);
> }
>
> -/* { dg-final { scan-assembler-times ".long 0" 3 { target { ! ia32 } } } } */
> -/* { dg-final { scan-assembler-times ".long -2147483648" 1 { target { ! ia32
> } } } } */
> +/* { dg-final { scan-assembler-times
> {.long\s-2147483648[\n\r]+\s.long\s0[\n\r]+\s.long\s0[\n\r]+\s.long\s0} 1 {
> target { ! ia32 } } } } */
> diff --git a/gcc/testsuite/gcc.target/i386/builtin-copysign-5.c
> b/gcc/testsuite/gcc.target/i386/builtin-copysign-5.c
> index 3f4df5f779b..8b81b29828d 100644
> --- a/gcc/testsuite/gcc.target/i386/builtin-copysign-5.c
> +++ b/gcc/testsuite/gcc.target/i386/builtin-copysign-5.c
> @@ -18,5 +18,4 @@ foo (__float128 x)
> return __builtin_copysignq (0.0, x);
> }
>
> -/* { dg-final { scan-assembler-times ".long 0" 3 { target { ! ia32 } } } } */
> -/* { dg-final { scan-assembler-times ".long -2147483648" 1 { target { ! ia32
> } } } } */
> +/* { dg-final { scan-assembler-times
> {.long\s0[\n\r]+\s.long\s0[\n\r]+\s.long\s0[\n\r]+\s.long\s-2147483648} 1 {
> target { ! ia32 } } } } */
> diff --git a/gcc/testsuite/gcc.target/i386/builtin-fabs-1.c
> b/gcc/testsuite/gcc.target/i386/builtin-fabs-1.c
> index a9a25f6bd4b..c53628a4ed0 100644
> --- a/gcc/testsuite/gcc.target/i386/builtin-fabs-1.c
> +++ b/gcc/testsuite/gcc.target/i386/builtin-fabs-1.c
> @@ -19,5 +19,4 @@ foo (float x)
> return -__builtin_fabsf (x);
> }
>
> -/* { dg-final { scan-assembler-times ".long 0" 3 { target { ! ia32 } } } } */
> -/* { dg-final { scan-assembler-times ".long -2147483648" 1 { target { ! ia32
> } } } } */
> +/* { dg-final { scan-assembler-times
> {.long\s-2147483648[\n\r]+\s.long\s0[\n\r]+\s.long\s0[\n\r]+\s.long\s0} 1 {
> target { ! ia32 } } } } */
> --
> 2.50.1 (Apple Git-155)
>
