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authorbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2009-06-16 13:09:38 +0000
committerbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2009-06-16 13:09:38 +0000
commit22642efda7e6534076c91bd0d9ee4a244ea44c4a (patch)
treef379042d103278bfa7fe040ddace8f7ca34aa4cd /gcc/df-problems.c
parent5be59a5529f8877a7933cf0131353a0d54383b96 (diff)
downloadgcc-22642efda7e6534076c91bd0d9ee4a244ea44c4a.tar.gz
2009-06-16 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk r148523 git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@148527 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/df-problems.c')
-rw-r--r--gcc/df-problems.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/gcc/df-problems.c b/gcc/df-problems.c
index f48da9bc8dc..1d1dc9c9621 100644
--- a/gcc/df-problems.c
+++ b/gcc/df-problems.c
@@ -3912,19 +3912,21 @@ df_simulate_one_insn_forwards (basic_block bb, rtx insn, bitmap live)
for (link = REG_NOTES (insn); link; link = XEXP (link, 1))
{
switch (REG_NOTE_KIND (link))
+ {
case REG_DEAD:
case REG_UNUSED:
- {
- rtx reg = XEXP (link, 0);
- int regno = REGNO (reg);
- if (regno < FIRST_PSEUDO_REGISTER)
- {
- int n = hard_regno_nregs[regno][GET_MODE (reg)];
- while (--n >= 0)
- bitmap_clear_bit (live, regno + n);
- }
- else
- bitmap_clear_bit (live, regno);
+ {
+ rtx reg = XEXP (link, 0);
+ int regno = REGNO (reg);
+ if (regno < FIRST_PSEUDO_REGISTER)
+ {
+ int n = hard_regno_nregs[regno][GET_MODE (reg)];
+ while (--n >= 0)
+ bitmap_clear_bit (live, regno + n);
+ }
+ else
+ bitmap_clear_bit (live, regno);
+ }
break;
default:
break;