[PATCH] Simplify vector compare-not-select sequence

[Andreas Schwab]

Bill Schmidt <wschmidt@linux.vnet.ibm.com> writes:

> Index: gcc/testsuite/gcc.target/powerpc/vec-cmp-sel.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vec-cmp-sel.c	(revision 226505)
> +++ gcc/testsuite/gcc.target/powerpc/vec-cmp-sel.c	(working copy)
> @@ -1,6 +1,7 @@
>  /* { dg-do compile { target powerpc64*-*-* } } */

If you want -m64 you need dg-require-effective-target lp64, but I see no
need for that.

>  /* { dg-require-effective-target powerpc_p8vector_ok } */
> -/* { dg-options "-maltivec -O2" } */
> +/* { dg-require-effective-target powerpc_vsx_ok } */
> +/* { dg-options "-maltivec -O2 -mvsx -mpower8-vector" } */
>  /* { dg-final { scan-assembler "vcmpgtsd" } } */
>  /* { dg-final { scan-assembler-not "xxlnor" } } */

Looks good.

PASS: gcc.target/powerpc/vec-cmp-sel.c (test for excess errors)
PASS: gcc.target/powerpc/vec-cmp-sel.c scan-assembler vcmpgtsd
PASS: gcc.target/powerpc/vec-cmp-sel.c scan-assembler-not xxlnor
PASS: gcc.target/powerpc/vec-cmp-sel.c (test for excess errors)
PASS: gcc.target/powerpc/vec-cmp-sel.c scan-assembler vcmpgtsd
PASS: gcc.target/powerpc/vec-cmp-sel.c scan-assembler-not xxlnor

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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