This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/59363] [4.9 Regression] r203886 miscompiles git
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 02 Dec 2013 23:23:41 +0000
- Subject: [Bug target/59363] [4.9 Regression] r203886 miscompiles git
- Auto-submitted: auto-generated
- References: <bug-59363-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59363
--- Comment #20 from H.J. Lu <hjl.tools at gmail dot com> ---
expand_setmem_epilogue in i386,c has
if (TARGET_64BIT)
{
dest = change_address (destmem, DImode, destptr);
emit_insn (gen_strset (destptr, dest, value));
emit_insn (gen_strset (destptr, dest, value));
}
else
{
dest = change_address (destmem, SImode, destptr);
emit_insn (gen_strset (destptr, dest, value));
emit_insn (gen_strset (destptr, dest, value));
emit_insn (gen_strset (destptr, dest, value));
emit_insn (gen_strset (destptr, dest, value));
}
...
dest = change_address (destmem, SImode, destptr);
emit_insn (gen_strset (destptr, dest, value));
emit_insn (gen_strset (destptr, dest, value));
The second gen_strset doesnt have the correct address.