X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Fconfig%2Fmips%2Fmips.md;h=8a6440e41c3d81ddcbd090692f37e74d8f826820;hp=b9c6f9209975cf35640c5a043d7a6a7f323dcc0b;hb=e375923d7f6c366c2c53e2612ff504be0b8a1602;hpb=f484812c5a27bcbe823a33eb5372c29a50c5c6a3

diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md
index b9c6f920997..8a6440e41c3 100644
--- a/gcc/config/mips/mips.md
+++ b/gcc/config/mips/mips.md
@@ -1904,7 +1904,19 @@
 	(neg:DF (plus:DF (mult:DF (match_operand:DF 1 "register_operand" "f")
 				  (match_operand:DF 2 "register_operand" "f"))
 			 (match_operand:DF 3 "register_operand" "f"))))]
-  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT && TARGET_FUSED_MADD"
+  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT
+   && TARGET_FUSED_MADD && HONOR_SIGNED_ZEROS (DFmode)"
+  "nmadd.d\t%0,%3,%1,%2"
+  [(set_attr "type"	"fmadd")
+   (set_attr "mode"	"DF")])
+
+(define_insn ""
+  [(set (match_operand:DF 0 "register_operand" "=f")
+	(minus:DF (mult:DF (neg:DF (match_operand:DF 1 "register_operand" "f"))
+				   (match_operand:DF 2 "register_operand" "f"))
+		  (match_operand:DF 3 "register_operand" "f")))]
+  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT
+   && TARGET_FUSED_MADD && !HONOR_SIGNED_ZEROS (DFmode)"
   "nmadd.d\t%0,%3,%1,%2"
   [(set_attr "type"	"fmadd")
    (set_attr "mode"	"DF")])
@@ -1914,27 +1926,63 @@
 	(neg:SF (plus:SF (mult:SF (match_operand:SF 1 "register_operand" "f")
 				  (match_operand:SF 2 "register_operand" "f"))
 			 (match_operand:SF 3 "register_operand" "f"))))]
-  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD"
+  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD
+   && HONOR_SIGNED_ZEROS (SFmode)"
   "nmadd.s\t%0,%3,%1,%2"
   [(set_attr "type"	"fmadd")
    (set_attr "mode"	"SF")])
 
 (define_insn ""
+  [(set (match_operand:SF 0 "register_operand" "=f")
+	(minus:SF (mult:SF (neg:SF (match_operand:SF 1 "register_operand" "f"))
+			   (match_operand:SF 2 "register_operand" "f"))
+		  (match_operand:SF 3 "register_operand" "f")))]
+  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD
+   && !HONOR_SIGNED_ZEROS (SFmode)"
+  "nmadd.s\t%0,%3,%1,%2"
+  [(set_attr "type"	"fmadd")
+   (set_attr "mode"	"SF")])
+
+(define_insn ""
+  [(set (match_operand:DF 0 "register_operand" "=f")
+	(neg:DF (minus:DF (mult:DF (match_operand:DF 2 "register_operand" "f")
+				   (match_operand:DF 3 "register_operand" "f"))
+			  (match_operand:DF 1 "register_operand" "f"))))]
+  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT
+   && TARGET_FUSED_MADD && HONOR_SIGNED_ZEROS (DFmode)"
+  "nmsub.d\t%0,%1,%2,%3"
+  [(set_attr "type"	"fmadd")
+   (set_attr "mode"	"DF")])
+
+(define_insn ""
   [(set (match_operand:DF 0 "register_operand" "=f")
 	(minus:DF (match_operand:DF 1 "register_operand" "f")
 		  (mult:DF (match_operand:DF 2 "register_operand" "f")
 			   (match_operand:DF 3 "register_operand" "f"))))]
-  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT && TARGET_FUSED_MADD"
+  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT
+   && TARGET_FUSED_MADD && !HONOR_SIGNED_ZEROS (DFmode)"
   "nmsub.d\t%0,%1,%2,%3"
   [(set_attr "type"	"fmadd")
    (set_attr "mode"	"DF")])
 
 (define_insn ""
   [(set (match_operand:SF 0 "register_operand" "=f")
+	(neg:SF (minus:SF (mult:SF (match_operand:SF 2 "register_operand" "f")
+				   (match_operand:SF 3 "register_operand" "f"))
+			  (match_operand:SF 1 "register_operand" "f"))))]
+  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD
+   && HONOR_SIGNED_ZEROS (SFmode)"
+  "nmsub.s\t%0,%1,%2,%3"
+  [(set_attr "type"	"fmadd")
+   (set_attr "mode"	"SF")])
+
+(define_insn ""
+  [(set (match_operand:SF 0 "register_operand" "=f")
 	(minus:SF (match_operand:SF 1 "register_operand" "f")
 		  (mult:SF (match_operand:SF 2 "register_operand" "f")
 			   (match_operand:SF 3 "register_operand" "f"))))]
-  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD"
+  "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD
+   && !HONOR_SIGNED_ZEROS (SFmode)"
   "nmsub.s\t%0,%1,%2,%3"
   [(set_attr "type"	"fmadd")
    (set_attr "mode"	"SF")])