* cse.c (simplify_ternary_operation): Don't try to simplify

        IF_THEN_ELSE expressions (created by combine) that don't use
        relational operators.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@17472 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1beac6c..1bf12bd 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+Sun Jan 25 12:13:47 1998  Michael Tiemann  <michael@tiemann.org>
+
+       * cse.c (simplify_ternary_operation): Don't try to simplify
+       IF_THEN_ELSE expressions (created by combine) that don't use
+       relational operators.
+
 Fri Jan 23 22:48:24 1998  Jeffrey A Law  (law@cygnus.com)
 
        * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE

diff --git a/gcc/cse.c b/gcc/cse.c
index 3c27387..22d6b8b 100644 (file)
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -4713,7 +4713,7 @@ simplify_ternary_operation (code, mode, op0_mode, op0, op1, op2)
          && rtx_equal_p (XEXP (op0, 1), op1)
          && rtx_equal_p (XEXP (op0, 0), op2))
        return op2;
-      else if (! side_effects_p (op0))
+      else if (GET_RTX_CLASS (GET_CODE (op0)) == '<' && ! side_effects_p (op0))
        {
          rtx temp;
          temp = simplify_relational_operation (GET_CODE (op0), op0_mode,