(probe+2, probe+4): New conditional move patterns.

(movsicc): Don't truncate comparison if it is DImode.

From-SVN: r11191

diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md
index 23e35a3723a96d795211c3f03a19188c771de3ed..ead8cdc34f91422bd7e1e20acfe9605fa91c147f 100644 (file)
--- a/gcc/config/mips/mips.md
+++ b/gcc/config/mips/mips.md
@@ -6477,6 +6477,21 @@ move\\t%0,%z4\\n\\
   [(set_attr "type" "move")
    (set_attr "mode" "SI")])
 
+(define_insn ""
+  [(set (match_operand:SI 0 "register_operand" "=d,d")
+       (if_then_else:SI
+        (match_operator 4 "equality_op"
+                        [(match_operand:DI 1 "register_operand" "d,d")
+                         (const_int 0)])
+        (match_operand:SI 2 "reg_or_0_operand" "dJ,0")
+        (match_operand:SI 3 "reg_or_0_operand" "0,dJ")))]
+  "mips_isa >= 4"
+  "@
+    mov%B4\\t%0,%z2,%1
+    mov%b4\\t%0,%z3,%1"
+  [(set_attr "type" "move")
+   (set_attr "mode" "SI")])
+
 (define_insn ""
   [(set (match_operand:SI 0 "register_operand" "=d,d")
        (if_then_else:SI
@@ -6490,6 +6505,21 @@ move\\t%0,%z4\\n\\
   [(set_attr "type" "move")
    (set_attr "mode" "SI")])
 
+(define_insn ""
+  [(set (match_operand:DI 0 "register_operand" "=d,d")
+       (if_then_else:DI
+        (match_operator 4 "equality_op"
+                        [(match_operand:SI 1 "register_operand" "d,d")
+                         (const_int 0)])
+        (match_operand:DI 2 "reg_or_0_operand" "dJ,0")
+        (match_operand:DI 3 "reg_or_0_operand" "0,dJ")))]
+  "mips_isa >= 4"
+  "@
+    mov%B4\\t%0,%z2,%1
+    mov%b4\\t%0,%z3,%1"
+  [(set_attr "type" "move")
+   (set_attr "mode" "DI")])
+
 (define_insn ""
   [(set (match_operand:DI 0 "register_operand" "=d,d")
        (if_then_else:DI
@@ -6661,13 +6691,8 @@ move\\t%0,%z4\\n\\
       operands[4] = gen_rtx (REG, CC_FPmode, FPSW_REGNUM);
     }
 
-  if (mode == DImode)
-    operands[5] = gen_rtx (move_code, VOIDmode,
-                          gen_lowpart (SImode, operands[4]),
-                          CONST0_RTX (SImode));
-  else
-    operands[5] = gen_rtx (move_code, VOIDmode, operands[4],
-                          CONST0_RTX (SImode));
+  operands[5] = gen_rtx (move_code, VOIDmode, operands[4],
+                        CONST0_RTX (SImode));
 }")
 
 ;; ??? Need movdicc, movsfcc, and movdfcc patterns.  They should be