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[220.132.236.182]) by smtp.gmail.com with ESMTPSA id 200sm4692179pfz.121.2020.02.13.19.34.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Feb 2020 19:34:31 -0800 (PST) From: Kito Cheng To: gcc-patches@gcc.gnu.org, kito.cheng@gmail.com, msebor@redhat.com Cc: Kito Cheng Subject: [PATCH] testsuite/strlenopt-81.c: Add target limitation. Date: Fri, 14 Feb 2020 11:34:28 +0800 Message-Id: <20200214033428.33572-1-kito.cheng@sifive.com> MIME-Version: 1.0 - strlenopt-81.c has same limitation as strlenopt-80.c, this optimization only work when memcpy expand into load/store. ChangeLog gcc/testsuite Kito Cheng * gcc.dg/strlenopt-81.c: Add target limitation. --- gcc/testsuite/gcc.dg/strlenopt-81.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/gcc/testsuite/gcc.dg/strlenopt-81.c b/gcc/testsuite/gcc.dg/strlenopt-81.c index 95ac29aa71f..4a0dfc4f17d 100644 --- a/gcc/testsuite/gcc.dg/strlenopt-81.c +++ b/gcc/testsuite/gcc.dg/strlenopt-81.c @@ -1,5 +1,9 @@ /* PR tree-optimization/ - fold strlen relational expressions - { dg-do run } + { dg-do run { target aarch64*-*-* i?86-*-* powerpc*-*-* x86_64-*-* } } + The optimization is only implemented for MEM_REF stores and other + targets than those below may not transform the memcpy call into + such a store. + { dg-options "-O2 -Wall -Wno-unused-local-typedefs -fdump-tree-optimized" } */ typedef __SIZE_TYPE__ size_t;