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ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note instead of loop.

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2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
	instead of loop.

From-SVN: r156670
This commit is contained in:
Vladimir Makarov 2010-02-10 20:52:31 +00:00 committed by Vladimir Makarov
parent ab65a4c7bd
commit 56592e03b4
2 changed files with 9 additions and 5 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
* ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
instead of loop.
2010-02-10 Richard Guenther <rguenther@suse.de>
PR tree-optimization/43017

9
gcc/ira-conflicts.c
View File

@ -447,7 +447,7 @@ process_reg_shuffles (rtx reg, int op_num, int freq, bool *bound_p)
static void
add_insn_allocno_copies (rtx insn)
{
rtx set, operand, dup, link;
rtx set, operand, dup;
const char *str;
bool commut_p, bound_p[MAX_RECOG_OPERANDS];
int i, j, n, freq;
@ -466,10 +466,9 @@ add_insn_allocno_copies (rtx insn)
process_regs_for_copy (SET_DEST (set), SET_SRC (set), false, insn, freq);
return;
}
for (link = REG_NOTES (insn); link; link = XEXP (link, 1))
if (REG_NOTE_KIND (link) == REG_DEAD)
break;
if (! link)
/* Fast check of possibility of constraint or shuffle copies. If
there are no dead registers, there will be no such copies. */
if (! find_reg_note (insn, REG_DEAD, NULL_RTX))
return;
extract_insn (insn);
for (i = 0; i < recog_data.n_operands; i++)