From: David Edelsohn <dje@watson.ibm.com>
Date: Tue, 22 May 2001 10:19:15 +0000 (+0000)
Subject: Fix a miscompilation on rs6000
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4978ba2f14d1077312b63befe11f12b244ba0010;p=thirdparty%2Fgcc.git

Fix a miscompilation on rs6000

From-SVN: r42437
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d77d48ae5cfb..b47f55d7a480 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-05-22  David Edelsohn  <dje@watson.ibm.com>
+
+	* rs6000.md (movsfcc,movdfcc): Remove NE case.
+
 2001-05-17  Bernd Schmidt  <bernds@redhat.com>
 
 	* function.c: Small formatting change to prevent compilation errors
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 343171de739c..1238db212713 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -3759,7 +3759,7 @@
     FAIL;
   switch (code)
     {
-    case GE: case EQ: case NE:
+    case GE: case EQ:
       op0 = rs6000_compare_op0;
       op1 = rs6000_compare_op1;
       break;
@@ -3790,11 +3790,6 @@
 	  emit_insn (gen_negdf2 (temp, temp));
 	  emit_insn (gen_fseldfsf4 (operands[0], temp, operands[0], operands[3]));
 	}
-      else if (code == NE)
-	{
-	  emit_insn (gen_negdf2 (temp, temp));
-	  emit_insn (gen_fseldfsf4 (operands[0], temp, operands[3], operands[0]));
-	}
     }
   else
     {
@@ -3806,11 +3801,6 @@
 	  emit_insn (gen_negsf2 (temp, temp));
 	  emit_insn (gen_fselsfsf4 (operands[0], temp, operands[0], operands[3]));
 	}
-      else if (code == NE)
-	{
-	  emit_insn (gen_negsf2 (temp, temp));
-	  emit_insn (gen_fselsfsf4 (operands[0], temp, operands[3], operands[0]));
-	}
     }
   DONE;
 }")
@@ -4006,7 +3996,7 @@
     FAIL;
   switch (code)
     {
-    case GE: case EQ: case NE:
+    case GE: case EQ:
       op0 = rs6000_compare_op0;
       op1 = rs6000_compare_op1;
       break;
@@ -4037,11 +4027,6 @@
 	  emit_insn (gen_negdf2 (temp, temp));
 	  emit_insn (gen_fseldfdf4 (operands[0], temp, operands[0], operands[3]));
 	}
-      else if (code == NE)
-	{
-	  emit_insn (gen_negdf2 (temp, temp));
-	  emit_insn (gen_fseldfdf4 (operands[0], temp, operands[3], operands[0]));
-	}
     }
   else
     {
@@ -4053,11 +4038,6 @@
 	  emit_insn (gen_negsf2 (temp, temp));
 	  emit_insn (gen_fselsfdf4 (operands[0], temp, operands[0], operands[3]));
 	}
-      else if (code == NE)
-	{
-	  emit_insn (gen_negsf2 (temp, temp));
-	  emit_insn (gen_fselsfdf4 (operands[0], temp, operands[3], operands[0]));
-	}
     }
   DONE;
 }")