diff options
author | Evgeny Stupachenko <evstupac@gmail.com> | 2016-07-22 15:00:42 +0000 |
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committer | Ilya Verbin <iverbin@gcc.gnu.org> | 2016-07-22 15:00:42 +0000 |
commit | 58b3986e3458ed69301e4128fd704598ad01cb89 (patch) | |
tree | e3096eb4b928ba0354581d72f075114677f6c73a | |
parent | e3fe09c154f89ee0567b53b8e8e1e4d44c1e3de0 (diff) | |
download | gcc-58b3986e3458ed69301e4128fd704598ad01cb89.tar.gz |
ipa-cp.c (determine_versionability): Do not create constprop clones, when target_clones attribute is set.
2016-07-22 Evgeny Stupachenko <evstupac@gmail.com>
gcc/
* ipa-cp.c (determine_versionability): Do not create constprop clones,
when target_clones attribute is set.
gcc/testsuite/
* gcc.target/i386/mvc8.c: New test.
From-SVN: r238645
-rw-r--r-- | gcc/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/ipa-cp.c | 7 | ||||
-rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
-rw-r--r-- | gcc/testsuite/gcc.target/i386/mvc8.c | 14 |
4 files changed, 30 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4f67430ec6f..8eb011ccbf3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-07-22 Evgeny Stupachenko <evstupac@gmail.com> + + * ipa-cp.c (determine_versionability): Do not create constprop clones, + when target_clones attribute is set. + 2016-07-22 Bin Cheng <bin.cheng@arm.com> * common.opt (funsafe-loop-optimizations): Mark ignore. diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c index 4b7f6bbf31c..5b6cb9a143f 100644 --- a/gcc/ipa-cp.c +++ b/gcc/ipa-cp.c @@ -533,6 +533,13 @@ determine_versionability (struct cgraph_node *node, coexist, but that may not be worth the effort. */ reason = "function has SIMD clones"; } + else if (lookup_attribute ("target_clones", DECL_ATTRIBUTES (node->decl))) + { + /* Ideally we should clone the target clones themselves and create + copies of them, so IPA-cp and target clones can happily + coexist, but that may not be worth the effort. */ + reason = "function target_clones attribute"; + } /* Don't clone decls local to a comdat group; it breaks and for C++ decloned constructors, inlining is always better anyway. */ else if (node->comdat_local_p ()) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7cef33787ad..0a48a17c714 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2016-07-22 Evgeny Stupachenko <evstupac@gmail.com> + + * gcc.target/i386/mvc8.c: New test. + 2016-07-22 Bin Cheng <bin.cheng@arm.com> * gcc.dg/tree-ssa/pr19210-1.c: Refine test strings. diff --git a/gcc/testsuite/gcc.target/i386/mvc8.c b/gcc/testsuite/gcc.target/i386/mvc8.c new file mode 100644 index 00000000000..97d7941a5ab --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/mvc8.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-require-ifunc "" } */ +/* { dg-options "-O3 -fno-inline" } */ +/* { dg-final { scan-assembler-not "constprop" } } */ +__attribute__((target_clones("arch=core-avx2","arch=slm","default"))) +void foo (float *a, int b) { + *a = (float)b; +} +float a; +int main() { + int i; + for (i = 0; i < 1024; i++) + foo (&a, 5); +} |