From 1bfedcc8fbe8a76a23ab8164834a4f52b6b1ac47 Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Mon, 9 Jun 2003 18:42:33 -0400
Subject: [PATCH] * fold-const.c (operand_equal_p): Handle ADDR_EXPR and
TRUTH_NOT_EXPR.
From-SVN: r67683
---
gcc/ChangeLog | 4 ++++
gcc/fold-const.c | 16 +++++++++++++---
2 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 231dccddbf68..ef0c63289c0a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-06-09 Jason Merrill <jason@redhat.com>
+
+ * fold-const.c (operand_equal_p): Handle ADDR_EXPR and TRUTH_NOT_EXPR.
+
2003-06-19 Osku Salerma <osku@iki.fi>
* c-format.c (check_format_string, get_constant): New.
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index c97213a66e11..1f118e891eb6 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -2000,9 +2000,19 @@ operand_equal_p (arg0, arg1, only_const)
}
case 'e':
- if (TREE_CODE (arg0) == RTL_EXPR)
- return rtx_equal_p (RTL_EXPR_RTL (arg0), RTL_EXPR_RTL (arg1));
- return 0;
+ switch (TREE_CODE (arg0))
+ {
+ case ADDR_EXPR:
+ case TRUTH_NOT_EXPR:
+ return operand_equal_p (TREE_OPERAND (arg0, 0),
+ TREE_OPERAND (arg1, 0), 0);
+
+ case RTL_EXPR:
+ return rtx_equal_p (RTL_EXPR_RTL (arg0), RTL_EXPR_RTL (arg1));
+
+ default:
+ return 0;
+ }
default:
return 0;
--
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