From e2a818641ba5d07ebe2c241906896c4886910d18 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Mon, 4 Apr 2022 08:41:59 +0200 Subject: [PATCH] testsuite/105122 - adjust testcases after memcpy folding changes After r12-7931 we again honor MOVE_MAX when folding memcpy to a load/store pair. On i?86-*-* without SSE this now exposes the change done in r12-2666-g29f0e955c97da0 which adjusts MOVE_MAX from 16 to 4 on those targets. This makes adjusting testcases necessary that assume that we transform memcpy to load/store pairs on GIMPLE for sizes larger or equal to 8. 2022-04-04 Richard Biener PR testsuite/105122 * gcc.dg/memcpy-6.c: Adjust. * gcc.dg/strlenopt-73.c: Likewise. * gcc.dg/strlenopt-80.c: Likewise. --- gcc/testsuite/gcc.dg/memcpy-6.c | 3 ++- gcc/testsuite/gcc.dg/strlenopt-73.c | 2 +- gcc/testsuite/gcc.dg/strlenopt-80.c | 3 ++- 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/gcc/testsuite/gcc.dg/memcpy-6.c b/gcc/testsuite/gcc.dg/memcpy-6.c index 7ff735e..d4df039 100644 --- a/gcc/testsuite/gcc.dg/memcpy-6.c +++ b/gcc/testsuite/gcc.dg/memcpy-6.c @@ -6,7 +6,8 @@ of targets where it's known to pass (see PR testsuite/83483). { dg-do compile } { dg-options "-O0 -Wrestrict -fdump-tree-optimized" } - { dg-skip-if "skip non-x86 targets" { ! { i?86-*-* x86_64-*-* } } } */ + { dg-skip-if "skip non-x86 targets" { ! { i?86-*-* x86_64-*-* } } } + { dg-additional-options "-msse" { target i?86-*-* x86_64-*-* } } */ char a[32]; diff --git a/gcc/testsuite/gcc.dg/strlenopt-73.c b/gcc/testsuite/gcc.dg/strlenopt-73.c index 170b66a..6e15303 100644 --- a/gcc/testsuite/gcc.dg/strlenopt-73.c +++ b/gcc/testsuite/gcc.dg/strlenopt-73.c @@ -69,7 +69,7 @@ void test_copy_cond_equal_length (void) T ( 0 ==, 33, 1, (i0 ? a32 : b32) + 32); } -#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) \ +#if (defined(__i386__) && defined(__SSE__)) || defined(__x86_64__) || defined(__aarch64__) \ || defined(__s390__) || defined(__powerpc64__) /* The following tests assume GCC transforms the memcpy calls into diff --git a/gcc/testsuite/gcc.dg/strlenopt-80.c b/gcc/testsuite/gcc.dg/strlenopt-80.c index a853402..a8adbf1 100644 --- a/gcc/testsuite/gcc.dg/strlenopt-80.c +++ b/gcc/testsuite/gcc.dg/strlenopt-80.c @@ -5,7 +5,8 @@ such a store. { dg-do compile { target { { aarch64*-*-* i?86-*-* x86_64-*-* } || { { powerpc*-*-* } && lp64 } } } } - { dg-options "-O2 -Wall -fdump-tree-optimized" } */ + { dg-options "-O2 -Wall -fdump-tree-optimized" } + { dg-additional-options "-msse" { target i?86-*-* x86_64-*-* } } */ #define CHAR_BIT __CHAR_BIT__ #define SIZE_MAX __SIZE_MAX__ -- 2.7.4