From: Doug Evans <dje@gnu.org>
Date: Mon, 15 May 1995 01:32:32 +0000 (+0000)
Subject: (movsicc, case NE): Don't generate unrecognizable insn.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b10ed55576e7a0e0f861eb5e8b8e34e1d194cb13;p=gcc.git

(movsicc, case NE): Don't generate unrecognizable insn.

(movdicc, case NE): Likewise.

From-SVN: r9685
---

diff --git a/gcc/config/alpha/alpha.md b/gcc/config/alpha/alpha.md
index 4f46a130c41..aa745abb6f3 100644
--- a/gcc/config/alpha/alpha.md
+++ b/gcc/config/alpha/alpha.md
@@ -2234,13 +2234,18 @@
   "
 {
   rtx op0,op1;
-  enum rtx_code code = GET_CODE (operands[1]);
+  enum rtx_code code = GET_CODE (operands[1]), code2 = NE;
 
   if (alpha_compare_fp_p)
     FAIL;
   switch (code)
     {
-    case EQ: case NE: case LE: case LT:
+    case EQ: case LE: case LT:
+      op0 = alpha_compare_op0;
+      op1 = alpha_compare_op1;
+      break;
+    case NE:
+      code = code2 = EQ;
       op0 = alpha_compare_op0;
       op1 = alpha_compare_op1;
       break;
@@ -2259,7 +2264,7 @@
     }
   operands[1] = gen_rtx (code, DImode, op0, op1);
   operands[4] = gen_reg_rtx (DImode);
-  operands[5] = gen_rtx (NE, VOIDmode, operands[4], CONST0_RTX (DImode));
+  operands[5] = gen_rtx (code2, VOIDmode, operands[4], CONST0_RTX (DImode));
 }")
 
 (define_expand "movdicc"
@@ -2272,13 +2277,18 @@
   "
 {
   rtx op0,op1;
-  enum rtx_code code = GET_CODE (operands[1]);
+  enum rtx_code code = GET_CODE (operands[1]), code2 = NE;
 
   if (alpha_compare_fp_p)
     FAIL;
   switch (code)
     {
-    case EQ: case NE: case LE: case LT:
+    case EQ: case LE: case LT:
+      op0 = alpha_compare_op0;
+      op1 = alpha_compare_op1;
+      break;
+    case NE:
+      code = code2 = EQ;
       op0 = alpha_compare_op0;
       op1 = alpha_compare_op1;
       break;
@@ -2297,7 +2307,7 @@
     }
   operands[1] = gen_rtx (code, DImode, op0, op1);
   operands[4] = gen_reg_rtx (DImode);
-  operands[5] = gen_rtx (NE, VOIDmode, operands[4], CONST0_RTX (DImode));
+  operands[5] = gen_rtx (code2, VOIDmode, operands[4], CONST0_RTX (DImode));
 }")
 
 (define_expand "movsfcc"