From: rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 25 Sep 2002 23:20:42 +0000 (+0000)
Subject:         * emit-rtl.c (const_double_htab_eq): Distinguish integer and
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f82a103db96394284839c33dd56a4b48a5854713;p=thirdparty%2Fgcc.git

    * emit-rtl.c (const_double_htab_eq): Distinguish integer and
        fp CONST_DOUBLE; use real_identical.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57520 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4d85a2f9c50c..fb9962970034 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-09-25  Richard Henderson  <rth@redhat.com>
+
+	* emit-rtl.c (const_double_htab_eq): Distinguish integer and
+	fp CONST_DOUBLE; use real_identical.
+
 2002-09-25  Mark Mitchell  <mark@codesourcery.com>
 
 	* doc/invoke.texi: Add more -Wabi examples.
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index eded8158d53a..a5a776041aa4 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -243,11 +243,12 @@ const_double_htab_eq (x, y)
 
   if (GET_MODE (a) != GET_MODE (b))
     return 0;
-  for (i = 0; i < sizeof(CONST_DOUBLE_FORMAT)-1; i++)
-    if (XWINT (a, i) != XWINT (b, i))
-      return 0;
-
-  return 1;
+  if (GET_MODE (a) == VOIDmode)
+    return (CONST_DOUBLE_LOW (a) == CONST_DOUBLE_LOW (b)
+	    && CONST_DOUBLE_HIGH (a) == CONST_DOUBLE_HIGH (b));
+  else
+    return real_identical (CONST_DOUBLE_REAL_VALUE (a),
+			   CONST_DOUBLE_REAL_VALUE (b));
 }
 
 /* Returns a hash code for X (which is a really a mem_attrs *).  */