jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's 2001-02-28 patch...

2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>

	* jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
	2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.

From-SVN: r40421

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ea73863cfbe67f36a34c736dd19e869a08fb984f..439959a9f2549f77bd45a57771073eabea8280b2 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
+       2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
+
 Mon Mar 12 14:05:32 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
        * flow.c (insn_dead_p): Don't consider two memrefs equivalent

diff --git a/gcc/jump.c b/gcc/jump.c
index f6f524e5e33d3563aa9259a515c0edac931afa91..6fc4deb10f9f0455c4126cdb4dcbef65d9ee94d6 100644 (file)
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -1782,11 +1782,7 @@ reversed_comparison_code_parts (code, arg0, arg1, insn)
       case UNLE:
       case UNGT:
       case UNGE:
-       /* We don't have safe way to reverse these yet - we would need
-          ordered compares that may not trap.  */
-       if (TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT
-           || flag_unsafe_math_optimizations)
-         return reverse_condition_maybe_unordered (code);
+       /* We don't have safe way to reverse these yet.  */
        return UNKNOWN;
       default:
        break;
@@ -1845,12 +1841,6 @@ reversed_comparison_code_parts (code, arg0, arg1, insn)
        }
     }
 
-  /* In case of floating point modes, we may reverse here, since
-     we will be always converting an ordered compare to unordered.
-     The unsafe code has been caught earlier.  */
-  if (FLOAT_MODE_P (mode))
-    return reverse_condition_maybe_unordered (code);
-
   /* An integer condition.  */
   if (GET_CODE (arg0) == CONST_INT
       || (GET_MODE (arg0) != VOIDmode