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-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/simplify-rtx.c2
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b5afd17..24d534b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-12-16 Richard Henderson <rth@redhat.com>
+ Aldy Hernandez <aldyh@redhat.com>
+
+ * simplify-rtx.c (simplify_replace_rtx): Do not blindly replace
+ hard registers.
+
2004-12-16 H.J. Lu <hongjiu.lu@intel.com>
PR other/18508
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index 3685bbf..5feeb65 100644
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -337,7 +337,7 @@ simplify_replace_rtx (rtx x, rtx old_rtx, rtx new_rtx)
}
else if (code == REG)
{
- if (REG_P (old_rtx) && REGNO (x) == REGNO (old_rtx))
+ if (rtx_equal_p (x, old_rtx))
return new_rtx;
}
break;