[gcc(refs/users/meissner/heads/work078)] Revert patch.

[Michael Meissner]

https://gcc.gnu.org/g:a02470bb51294b1b6d2634aca0a787584bbc5cd6

commit a02470bb51294b1b6d2634aca0a787584bbc5cd6
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Thu Feb 17 00:46:48 2022 -0500

    Revert patch.
    
    2022-02-16  Michael Meissner  <meissner@the-meissners.org>
    
    gcc/
            Revert patch
            PR target/104256
            * config/rs6000/rs6000.cc (rs6000_emit_int_cmove): Don't do
            integer conditional moves if the test involves IEEE comparisons.

Diff:
---
 gcc/config/rs6000/rs6000.cc | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 10af34fca69..f56cf66313a 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -16181,15 +16181,6 @@ rs6000_emit_int_cmove (rtx dest, rtx op, rtx true_cond, rtx false_cond)
   if (mode != SImode && (!TARGET_POWERPC64 || mode != DImode))
     return false;
 
-  /* Don't do int cmoves for IEEE comparisons.  The rs6000_generate_compare
-     function will eventually raise an exception because the mode used is
-     CCmode (due to this being an int cmove), but you can only do these
-     comparsions with CCFP mode.  */
-  enum rtx_code op_code = GET_CODE (op);
-  if (op_code == ORDERED || op_code == UNORDERED || op_code == UNEQ || op_code == LTGT
-      || op_code == UNGT || op_code == UNLT || op_code == UNGE || op_code == UNLE)
-    return false;
-					
   /* We still have to do the compare, because isel doesn't do a
      compare, it just looks at the CRx bits set by a previous compare
      instruction.  */