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| author | Aldy Hernandez <aldyh@redhat.com> | 2012-10-17 20:59:40 +0000 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@gcc.gnu.org> | 2012-10-17 20:59:40 +0000 |
| commit | a7b159a4dcca7e45fdf2b57a865dd2a91148eefb (patch) | |
| tree | 6246e46226dfe3ca8100baf6e693f108a7fa2483 /gcc/ifcvt.c | |
| parent | 4d9675496a28ef6184f2a9c3ac5e6e3ea63606c1 (diff) | |
| download | gcc-a7b159a4dcca7e45fdf2b57a865dd2a91148eefb.zip gcc-a7b159a4dcca7e45fdf2b57a865dd2a91148eefb.tar.gz gcc-a7b159a4dcca7e45fdf2b57a865dd2a91148eefb.tar.bz2 | |
re PR rtl-optimization/54900 (write introduction incorrect wrt the C11 memory model (2))
PR rtl-optimization/54900
* ifcvt.c (noce_can_store_speculate_p): Call
memory_must_be_modified_in_insn_p.
* alias.c (memory_must_be_modified_in_insn_p): New.
(set_dest_equal_p): New.
* rtl.h (memory_must_be_modified_in_p): Protoize.
From-SVN: r192548
Diffstat (limited to 'gcc/ifcvt.c')
| -rw-r--r-- | gcc/ifcvt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 2f486a2..5654c66 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -2415,7 +2415,7 @@ noce_can_store_speculate_p (basic_block top_bb, const_rtx mem) || (CALL_P (insn) && (!RTL_CONST_CALL_P (insn))))) return false; - if (memory_modified_in_insn_p (mem, insn)) + if (memory_must_be_modified_in_insn_p (mem, insn)) return true; if (modified_in_p (XEXP (mem, 0), insn)) return false; |