(movsfcc, movdfcc, movxfcc, movsfcc_1, movdfcc_1,

movxfcc_1): New patterns for Pentium Pro floating point
conditional move.

From-SVN: r12559

gcc/config/i386/i386.md

@@ -36,8 +36,8 @@
 ;; 'L' Print the opcode suffix for a 32-bit integer opcode.
 ;; 'W' Print the opcode suffix for a 16-bit integer opcode.
 ;; 'B' Print the opcode suffix for an 8-bit integer opcode.
-;; 'S' Print the opcode suffix for a 32-bit float opcode.
 ;; 'Q' Print the opcode suffix for a 64-bit float opcode.
+;; 'S' Print the opcode suffix for a 32-bit float opcode.
 ;; 'T' Print the opcode suffix for an 80-bit extended real XFmode float opcode.
 ;; 'J' Print the appropriate jump operand.
 
@@ -6783,13 +6783,13 @@
   else if (which_alternative == 1)
     {
       /* r <- cond ? r : arg */
-      output_asm_insn (AS2 (cmov%N1,%3,%0), operands);
+      output_asm_insn (AS2 (cmov%c1,%3,%0), operands);
     }
   else if (which_alternative == 2)
     {
       /* r <- cond ? arg1 : arg2 */
       output_asm_insn (AS2 (cmov%C1,%2,%0), operands);
-      output_asm_insn (AS2 (cmov%N1,%3,%0), operands);
+      output_asm_insn (AS2 (cmov%c1,%3,%0), operands);
     }
   else 
     {
@@ -6823,13 +6823,13 @@
   else if (which_alternative == 1)
     {
       /* r <- cond ? r : arg */
-      output_asm_insn (AS2 (cmov%N1,%3,%0), operands);
+      output_asm_insn (AS2 (cmov%c1,%3,%0), operands);
     }
   else if (which_alternative == 2)
     {
       /* r <- cond ? arg1 : arg2 */
       output_asm_insn (AS2 (cmov%C1,%2,%0), operands);
-      output_asm_insn (AS2 (cmov%N1,%3,%0), operands);
+      output_asm_insn (AS2 (cmov%c1,%3,%0), operands);
     }
   else 
     {
@@ -6843,6 +6843,107 @@
   RET;
 }")
 
+(define_expand "movsfcc"
+  [(match_dup 4)
+   (set (match_operand 0 "register_operand" "")
+	(if_then_else:SF (match_operand 1 "comparison_operator" "")
+			 (match_operand:SF 2 "register_operand" "")
+			 (match_operand:SF 3 "register_operand" "")))]
+  "TARGET_CMOVE"
+  "
+{
+  operands[4] = i386_compare_gen (i386_compare_op0, i386_compare_op1);
+}")
+
+(define_expand "movdfcc"
+  [(match_dup 4)
+   (set (match_operand 0 "register_operand" "")
+	(if_then_else:DF (match_operand 1 "comparison_operator" "")
+			 (match_operand:DF 2 "register_operand" "")
+			 (match_operand:DF 3 "register_operand" "")))]
+  "TARGET_CMOVE"
+  "
+{
+  operands[4] = i386_compare_gen (i386_compare_op0, i386_compare_op1);
+}")
+
+(define_expand "movxfcc"
+  [(match_dup 4)
+   (set (match_operand 0 "register_operand" "")
+	(if_then_else:XF (match_operand 1 "comparison_operator" "")
+			 (match_operand:XF 2 "register_operand" "")
+			 (match_operand:XF 3 "register_operand" "")))]
+  "TARGET_CMOVE"
+  "
+{
+  operands[4] = i386_compare_gen (i386_compare_op0, i386_compare_op1);
+}")
+
+(define_insn "movsfcc_1"
+  [(set (match_operand:SF 0 "register_operand" "=t,t")
+	(if_then_else:SF (match_operator 1 "comparison_operator" 
+				[(cc0) (const_int 0)])
+		      (match_operand:SF 2 "register_operand" "0,f")
+		      (match_operand:SF 3 "register_operand" "f,0")))]
+  "TARGET_CMOVE"
+  "*
+{
+  if (which_alternative == 0)
+    {
+      /* r <- cond ? arg : r */
+      output_asm_insn (AS2 (fcmov%f1,%3,%0), operands);
+    }
+  else if (which_alternative == 1)
+    {
+      /* r <- cond ? r : arg */
+      output_asm_insn (AS2 (fcmov%F1,%2,%0), operands);
+    }
+  RET;
+}")
+
+(define_insn "movdfcc_1"
+  [(set (match_operand:DF 0 "register_operand" "=t,t")
+	(if_then_else:DF (match_operator 1 "comparison_operator" 
+				[(cc0) (const_int 0)])
+		      (match_operand:DF 2 "register_operand" "0,f")
+		      (match_operand:DF 3 "register_operand" "f,0")))]
+  "TARGET_CMOVE"
+  "*
+{
+  if (which_alternative == 0)
+    {
+      /* r <- cond ? arg : r */
+      output_asm_insn (AS2 (fcmov%F1,%3,%0), operands);
+    }
+  else if (which_alternative == 1)
+    {
+      /* r <- cond ? r : arg */
+      output_asm_insn (AS2 (fcmov%f1,%2,%0), operands);
+    }
+  RET;
+}")
+
+(define_insn "movxfcc_1"
+  [(set (match_operand:XF 0 "register_operand" "=t,t")
+	(if_then_else:XF (match_operator 1 "comparison_operator" 
+				[(cc0) (const_int 0)])
+		      (match_operand:XF 2 "register_operand" "0,f")
+		      (match_operand:XF 3 "register_operand" "f,0")))]
+  "TARGET_CMOVE"
+  "*
+{
+  if (which_alternative == 0)
+    {
+      /* r <- cond ? arg : r */
+      output_asm_insn (AS2 (fcmov%F1,%3,%0), operands);
+    }
+  else if (which_alternative == 1)
+    {
+      /* r <- cond ? r : arg */
+      output_asm_insn (AS2 (fcmov%f1,%2,%0), operands);
+    }
+  RET;
+}")
 
 (define_insn "strlensi_unroll"
   [(set (match_operand:SI 0 "register_operand" "=&r,&r")