Alex Coplan <alex.cop...@arm.com> writes:
> With the new ldp/stp pass enabled, there is a change in the codegen for
> this test as follows:
>
> add x8, sp, 16
> ptrue p3.h, mul3
> str p3, [x8]
> - str x8, [sp, 8]
> - str x9, [sp]
> + stp x9, x8, [sp]
> ptrue p3.d, vl8
> ptrue p2.s, vl7
> ptrue p1.h, vl6
>
> i.e. we now form an stp that we were missing previously. This patch
> adjusts the scan-assembler such that it should pass whether or not
> we form the stp.
>
> Bootstrapped/regtested as a series on aarch64-linux-gnu, OK for trunk?
>
> gcc/testsuite/ChangeLog:
>
> * gcc.target/aarch64/sve/pcs/args_9.c: Adjust scan-assemblers to
> allow for stp.
OK, thanks.
Richard
> ---
> gcc/testsuite/gcc.target/aarch64/sve/pcs/args_9.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/gcc/testsuite/gcc.target/aarch64/sve/pcs/args_9.c
> b/gcc/testsuite/gcc.target/aarch64/sve/pcs/args_9.c
> index ad9affadf02..942a44ab448 100644
> --- a/gcc/testsuite/gcc.target/aarch64/sve/pcs/args_9.c
> +++ b/gcc/testsuite/gcc.target/aarch64/sve/pcs/args_9.c
> @@ -45,5 +45,5 @@ caller (int64_t *x0, int16_t *x1, svbool_t p0)
> return svcntp_b8 (res, res);
> }
>
> -/* { dg-final { scan-assembler {\tptrue\t(p[0-9]+)\.b, mul3\n\tstr\t\1,
> \[(x[0-9]+)\]\n.*\tstr\t\2, \[sp\]\n} } } */
> -/* { dg-final { scan-assembler {\tptrue\t(p[0-9]+)\.h, mul3\n\tstr\t\1,
> \[(x[0-9]+)\]\n.*\tstr\t\2, \[sp, 8\]\n} } } */
> +/* { dg-final { scan-assembler {\tptrue\t(p[0-9]+)\.b, mul3\n\tstr\t\1,
> \[(x[0-9]+)\]\n.*\t(?:str\t\2, \[sp\]|stp\t\2, x[0-9]+, \[sp\])\n} } } */
> +/* { dg-final { scan-assembler {\tptrue\t(p[0-9]+)\.h, mul3\n\tstr\t\1,
> \[(x[0-9]+)\]\n.*\t(?:str\t\2, \[sp, 8\]|stp\tx[0-9]+, \2, \[sp\])\n} } } */
