On Sun, Mar 11, 2012 at 10:16 AM, Kirill Yukhin <kirill.yuk...@gmail.com> wrote:
>>
>> The patch is OK for mainline, if there are no further comments in next 24h.
>
> According to Tobias's input, I've added few lines about RTM to
> doc/invoke.texi. If no objections - I'll commit the patch tomorrow.
A small no-op change - there is no need for a constraint in an expand
pattern. Plus some formatting.
2012-03-13 Uros Bizjak <ubiz...@gmail.com>
* config/i386/i386.md (xbegin): Remove constraint from expander.
Tested on x86_64-pc-linux-gnu, committed to mainline SVN.
Uros.
Index: i386.md
===================================================================
--- i386.md (revision 185350)
+++ i386.md (working copy)
@@ -18206,7 +18206,7 @@
(set_attr "memory" "unknown")])
(define_expand "xbegin"
- [(set (match_operand:SI 0 "register_operand" "=a")
+ [(set (match_operand:SI 0 "register_operand" "")
(unspec_volatile:SI [(match_dup 1)] UNSPECV_XBEGIN))]
"TARGET_RTM"
{
@@ -18258,8 +18258,8 @@
{
emit_insn (gen_xtest_1 ());
- ix86_expand_setcc (operands[0], EQ, gen_rtx_REG (CCZmode,
FLAGS_REG), const0_rtx);
-
+ ix86_expand_setcc (operands[0], EQ,
+ gen_rtx_REG (CCZmode, FLAGS_REG), const0_rtx);
DONE;
})
