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author | amonakov <amonakov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-05-11 16:10:24 +0000 |
---|---|---|
committer | H.J. Lu <hjl.tools@gmail.com> | 2015-08-18 04:49:33 -0700 |
commit | b95473cfb6b843125a64415ea006d96c54bab51a (patch) | |
tree | 0d8f2b17999c507e2abc215b4f2a4c04fc44a104 | |
parent | 045ed2eca0004a9e622ce426eb5c487507304441 (diff) | |
download | gcc-b95473cfb6b843125a64415ea006d96c54bab51a.tar.gz |
Fix PR target/65753
* gcc.target/i386/pr65753.c: Use -O2 instead of -O.
PR target/65753
* config/i386/i386.c (ix86_function_ok_for_sibcall): Allow PIC sibcalls
via function pointers.
testsuite:
* gcc.target/i386/pr65753.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@223005 138bc75d-0d04-0410-961f-82ee72b054a4
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@223055 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r-- | gcc/config/i386/i386.c | 6 | ||||
-rw-r--r-- | gcc/testsuite/gcc.target/i386/pr65753.c | 8 |
2 files changed, 11 insertions, 3 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 873de32f040..005e1e46e4d 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -5465,12 +5465,12 @@ ix86_function_ok_for_sibcall (tree decl, tree exp) rtx a, b; /* If we are generating position-independent code, we cannot sibcall - optimize any indirect call, or a direct call to a global function, - as the PLT requires %ebx be live. (Darwin does not have a PLT.) */ + optimize direct calls to global functions, as the PLT requires + %ebx be live. (Darwin does not have a PLT.) */ if (!TARGET_MACHO && !TARGET_64BIT && flag_pic - && (!decl || !targetm.binds_local_p (decl))) + && decl && !targetm.binds_local_p (decl)) return false; /* If we need to align the outgoing stack, then sibcalling would diff --git a/gcc/testsuite/gcc.target/i386/pr65753.c b/gcc/testsuite/gcc.target/i386/pr65753.c new file mode 100644 index 00000000000..562f54bff6b --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr65753.c @@ -0,0 +1,8 @@ +/* { dg-do compile } */ +/* { dg-options "-fPIC -O2" } */ +/* { dg-final { scan-assembler-not "call" } } */ + +void foo(void (*bar)(void)) +{ + bar(); +} |