aboutsummaryrefslogtreecommitdiff
path: root/gcc/combine.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/combine.c')
-rw-r--r--gcc/combine.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc/combine.c b/gcc/combine.c
index c36d922..0fbaeba 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -12702,11 +12702,12 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2)
This might delete other dead insns recursively.
First set the pattern to something that won't use
any register. */
+ rtx old_notes = REG_NOTES (tem);
PATTERN (tem) = pc_rtx;
+ REG_NOTES (tem) = NULL;
- distribute_notes (REG_NOTES (tem), tem, tem,
- NULL_RTX);
+ distribute_notes (old_notes, tem, tem, NULL_RTX);
distribute_links (LOG_LINKS (tem));
PUT_CODE (tem, NOTE);
@@ -12718,10 +12719,11 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2)
if (cc0_setter)
{
PATTERN (cc0_setter) = pc_rtx;
+ old_notes = REG_NOTES (cc0_setter);
+ REG_NOTES (cc0_setter) = NULL;
- distribute_notes (REG_NOTES (cc0_setter),
- cc0_setter, cc0_setter,
- NULL_RTX);
+ distribute_notes (old_notes, cc0_setter,
+ cc0_setter, NULL_RTX);
distribute_links (LOG_LINKS (cc0_setter));
PUT_CODE (cc0_setter, NOTE);