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Re: [PATCH] Simplify vector compare-not-select sequence
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: Bill Schmidt <wschmidt at linux dot vnet dot ibm dot com>
- Cc: gcc-patches at gcc dot gnu dot org, ebotcazou at adacore dot com, dje dot gcc at gmail dot com
- Date: Mon, 03 Aug 2015 19:35:14 +0200
- Subject: Re: [PATCH] Simplify vector compare-not-select sequence
- Authentication-results: sourceware.org; auth=none
- References: <1436190062 dot 4922 dot 5 dot camel at oc8801110288 dot ibm dot com> <87d1z6f0yb dot fsf at igel dot home> <1438614979 dot 2838 dot 43 dot camel at gnopaine>
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
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."