Jakub Jelinek <ja...@redhat.com> writes:
> On Thu, Feb 11, 2021 at 03:03:38PM +0000, Richard Sandiford via Gcc-patches
> wrote:
>> gcc/
>> * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
>> as read-modify operations.
>>
>> gcc/testsuite/
>> * gcc.dg/rtl/aarch64/multi-subreg-1.c: New test.
>
> The test fails everywhere but on aarch64.
>
> Fixed thusly, tested on x86_64-linux -m32/-m64, committed to trunk as
> obvious:
Gah, sorry for forgetting to check that. Thanks for the fix.
Richard
>
> 2021-02-13 Jakub Jelinek <ja...@redhat.com>
>
> * gcc.dg/rtl/aarch64/multi-subreg-1.c: Add dg-do compile directive
> and restrict the test to aarch64-*-* target only.
>
> --- gcc/testsuite/gcc.dg/rtl/aarch64/multi-subreg-1.c.jj 2021-02-12
> 23:57:30.594140834 +0100
> +++ gcc/testsuite/gcc.dg/rtl/aarch64/multi-subreg-1.c 2021-02-13
> 00:01:04.935749889 +0100
> @@ -1,3 +1,4 @@
> +/* { dg-do compile { target aarch64-*-* } } */
> /* { dg-additional-options "-O -fdump-rtl-cse1-all" } */
>
> __int128 __RTL (startwith ("vregs")) foo (void)
>
>
> Jakub
