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authorJ"orn Rennecke <amylaar@cygnus.co.uk>1997-09-20 00:52:52 +0000
committerJeff Law <law@gcc.gnu.org>1997-09-19 18:52:52 -0600
commit272299b9cabbfe63101274564899222b737dede5 (patch)
treec01999187059afffda4ca885dd54f8506df62516 /gcc/sched.c
parent09f97c1e6c32a0f166a999f62d30544d14dd877d (diff)
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sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
* sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p. * haifa-sched.c (update_flow_info): Likewise. From-SVN: r15589
Diffstat (limited to 'gcc/sched.c')
-rw-r--r--gcc/sched.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/sched.c b/gcc/sched.c
index 477782b..1db9005 100644
--- a/gcc/sched.c
+++ b/gcc/sched.c
@@ -3801,6 +3801,7 @@ update_flow_info (notes, first, last, orig_insn)
/* ??? This won't handle multiple word registers correctly,
but should be good enough for now. */
if (REG_NOTE_KIND (note) == REG_UNUSED
+ && GET_CODE (XEXP (note, 0)) != SCRATCH
&& ! dead_or_set_p (insn, XEXP (note, 0)))
PUT_REG_NOTE_KIND (note, REG_DEAD);