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(reg_dead_at_p): When scanning backwards, stop at BARRIER.
author
Richard Kenner
<kenner@gcc.gnu.org>
Tue, 6 Jun 1995 02:43:28 +0000
(22:43 -0400)
committer
Richard Kenner
<kenner@gcc.gnu.org>
Tue, 6 Jun 1995 02:43:28 +0000
(22:43 -0400)
From-SVN: r9885
gcc/combine.c
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diff --git
a/gcc/combine.c
b/gcc/combine.c
index 11c941ab70b9d7a4a59c5be127b69584cbcd73a4..81c62e65dfe6a74167057a9620d70b8d75167624 100644
(file)
--- a/
gcc/combine.c
+++ b/
gcc/combine.c
@@
-10185,7
+10185,7
@@
reg_dead_at_p (reg, insn)
/* Scan backwards until we find a REG_DEAD note, SET, CLOBBER, label, or
beginning of function. */
- for (; insn && GET_CODE (insn) != CODE_LABEL;
+ for (; insn && GET_CODE (insn) != CODE_LABEL
&& GET_CODE (insn) != BARRIER
;
insn = prev_nonnote_insn (insn))
{
note_stores (PATTERN (insn), reg_dead_at_p_1);