From: David Edelsohn <edelsohn@gnu.org>
Date: Sat, 4 May 2002 23:12:24 +0000 (+0000)
Subject: rs6000.md (sCC pattern and splitter): Remove clobber and use result as temporary... 
X-Git-Tag: releases/gcc-3.1.0~36
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3743463a3e970d4196de01f9dcfd95ded4d85d3e;p=thirdparty%2Fgcc.git

rs6000.md (sCC pattern and splitter): Remove clobber and use result as temporary value.

        * config/rs6000/rs6000.md (sCC pattern and splitter): Remove
        clobber and use result as temporary value.

From-SVN: r53168
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4a4d6c1707f0..52e837fe2aa7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2002-05-04  David Edelsohn  <edelsohn@gnu.org>
+
+	PR c/6543
+	* config/rs6000/rs6000.md (sCC pattern and splitter): Remove
+	clobber and use result as temporary value.
+
 2002-05-03  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/6542
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 1daf554facd9..93c6fc3db563 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -10903,23 +10903,22 @@
   "")
 
 (define_insn ""
-  [(set (match_operand:CC 5 "cc_reg_operand" "=x,x,x,x,x,?y,?y,?y,?y,?y")
+  [(set (match_operand:CC 4 "cc_reg_operand" "=x,x,x,x,x,?y,?y,?y,?y,?y")
 	(compare:CC
 	 (plus:SI
 	  (eq:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r,r,r,r,r,r,r,r,r")
 		 (match_operand:SI 2 "reg_or_cint_operand" "r,O,K,L,I,r,O,K,L,I"))
 	  (match_operand:SI 3 "gpc_reg_operand" "r,r,r,r,r,r,r,r,r,r"))
 	 (const_int 0)))
-   (set (match_operand:SI 0 "gpc_reg_operand" "=r,r,r,r,r,r,r,r,r,r")
-	(plus:SI (eq:SI (match_dup 1) (match_dup 2)) (match_dup 3)))
-   (clobber (match_scratch:SI 4 "=&r,&r,&r,&r,&r,&r,&r,&r,&r,&r"))]
+   (set (match_operand:SI 0 "gpc_reg_operand" "=&r,&r,&r,&r,&r,&r,&r,&r,&r,&r")
+	(plus:SI (eq:SI (match_dup 1) (match_dup 2)) (match_dup 3)))]
   "! TARGET_POWERPC64"
   "@
-   xor %4,%1,%2\;{sfi|subfic} %4,%4,0\;{aze.|addze.} %0,%3
-   {sfi|subfic} %4,%1,0\;{aze.|addze.} %0,%3
-   {xoril|xori} %4,%1,%b2\;{sfi|subfic} %4,%4,0\;{aze.|addze.} %0,%3
-   {xoriu|xoris} %4,%1,%u2\;{sfi|subfic} %4,%4,0\;{aze.|addze.} %0,%3
-   {sfi|subfic} %4,%1,%2\;{sfi|subfic} %4,%4,0\;{aze.|addze.} %0,%3
+   xor %0,%1,%2\;{sfi|subfic} %0,%0,0\;{aze.|addze.} %0,%3
+   {sfi|subfic} %0,%1,0\;{aze.|addze.} %0,%3
+   {xoril|xori} %0,%1,%b2\;{sfi|subfic} %0,%0,0\;{aze.|addze.} %0,%3
+   {xoriu|xoris} %0,%1,%u2\;{sfi|subfic} %0,%0,0\;{aze.|addze.} %0,%3
+   {sfi|subfic} %0,%1,%2\;{sfi|subfic} %0,%0,0\;{aze.|addze.} %0,%3
    #
    #
    #
@@ -10929,7 +10928,7 @@
    (set_attr "length" "12,8,12,12,12,16,12,16,16,16")])
 
 (define_split
-  [(set (match_operand:CC 5 "cc_reg_not_cr0_operand" "")
+  [(set (match_operand:CC 4 "cc_reg_not_cr0_operand" "")
 	(compare:CC
 	 (plus:SI
 	  (eq:SI (match_operand:SI 1 "gpc_reg_operand" "")
@@ -10937,13 +10936,11 @@
 	  (match_operand:SI 3 "gpc_reg_operand" ""))
 	 (const_int 0)))
    (set (match_operand:SI 0 "gpc_reg_operand" "")
-	(plus:SI (eq:SI (match_dup 1) (match_dup 2)) (match_dup 3)))
-   (clobber (match_scratch:SI 4 ""))]
+	(plus:SI (eq:SI (match_dup 1) (match_dup 2)) (match_dup 3)))]
   "! TARGET_POWERPC64 && reload_completed"
-  [(parallel [(set (match_dup 0)
+  [(set (match_dup 0)
 	(plus:SI (eq:SI (match_dup 1) (match_dup 2)) (match_dup 3)))
-   (clobber (match_dup 4))])
-   (set (match_dup 5)
+   (set (match_dup 4)
 	(compare:CC (match_dup 0)
 		    (const_int 0)))]
   "")