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authorDale Johannesen <dalej@apple.com>2005-02-11 18:12:33 +0000
committerDale Johannesen <dalej@gcc.gnu.org>2005-02-11 18:12:33 +0000
commit7e42db17f9b49b8744758f286c3977305c62659e (patch)
tree96c02b57150b96ee2f726f5981afec81d54cbad8 /gcc/reload.c
parent712b39c5282886e1552a3e105ffa0da9a94f480a (diff)
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cselib.c (cselib_process_insn): Clear out regs where HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2005-02-11 Dale Johannesen <dalej@apple.com> * cselib.c (cselib_process_insn): Clear out regs where HARD_REGNO_CALL_PART_CLOBBERED is true at a call. * reload.c (find_equiv_reg): Ditto. From-SVN: r94885
Diffstat (limited to 'gcc/reload.c')
-rw-r--r--gcc/reload.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/reload.c b/gcc/reload.c
index 0b865a1..3b3ca9f 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -6705,12 +6705,14 @@ find_equiv_reg (rtx goal, rtx insn, enum reg_class class, int other,
if (regno >= 0 && regno < FIRST_PSEUDO_REGISTER)
for (i = 0; i < nregs; ++i)
- if (call_used_regs[regno + i])
+ if (call_used_regs[regno + i]
+ || HARD_REGNO_CALL_PART_CLOBBERED (regno + i, mode))
return 0;
if (valueno >= 0 && valueno < FIRST_PSEUDO_REGISTER)
for (i = 0; i < valuenregs; ++i)
- if (call_used_regs[valueno + i])
+ if (call_used_regs[valueno + i]
+ || HARD_REGNO_CALL_PART_CLOBBERED (valueno + i, mode))
return 0;
}