summaryrefslogtreecommitdiff
path: root/gcc/cse.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/cse.c')
-rw-r--r--gcc/cse.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/cse.c b/gcc/cse.c
index 3d0f1a7658c..7b86d51cb82 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -1,6 +1,6 @@
/* Common subexpression elimination for GNU compiler.
Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998
- 1999, 2000 Free Software Foundation, Inc.
+ 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@@ -4754,8 +4754,11 @@ cse_insn (insn, libcall_insn)
if (GET_CODE (insn) == CALL_INSN)
{
for (tem = CALL_INSN_FUNCTION_USAGE (insn); tem; tem = XEXP (tem, 1))
- if (GET_CODE (XEXP (tem, 0)) == CLOBBER)
- invalidate (SET_DEST (XEXP (tem, 0)), VOIDmode);
+ {
+ if (GET_CODE (XEXP (tem, 0)) == CLOBBER)
+ invalidate (SET_DEST (XEXP (tem, 0)), VOIDmode);
+ XEXP (tem, 0) = canon_reg (XEXP (tem, 0), insn);
+ }
}
if (GET_CODE (x) == SET)