From: Nick Clifton <nickc@gcc.gnu.org>
Date: Wed, 3 Apr 2013 14:06:38 +0000 (+0000)
Subject: v850e3v5.md (fmasf4): Use fmaf.s on E3V5 architectures.
X-Git-Tag: releases/gcc-4.9.0~6692
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4d85233e76d774a892dc812eaf532db768982fdc;p=thirdparty%2Fgcc.git

v850e3v5.md (fmasf4): Use fmaf.s on E3V5 architectures.

	* config/v850/v850e3v5.md (fmasf4): Use fmaf.s on E3V5
	architectures.
	(fmssf4): Use fmsf.s on E3V5 architectures.
	(fnmasf4): Use fnmaf.s on E3V5 architectures.
	(fnmssf4): Use fnmsf.s on E3V5 architectures.

From-SVN: r197413
---

diff --git a/gcc/config/v850/v850.md b/gcc/config/v850/v850.md
index 4ed0e40b05fb..a074f651351f 100644
--- a/gcc/config/v850/v850.md
+++ b/gcc/config/v850/v850.md
@@ -2508,14 +2508,18 @@
    (set_attr "cc" "none_0hit")
    (set_attr "type" "fpu")])
 
+;; Note: The FPU-2.0 (ie pre e3v5) versions of these routines do not actually
+;; need operand 4 to be the same as operand 0.  But the FPU-2.0 versions are
+;; also deprecated so the loss of flexibility is unimportant.
+
 ;;; multiply-add
 (define_insn "fmasf4"
   [(set (match_operand:SF         0 "register_operand" "=r")
 	(fma:SF (match_operand:SF 1 "register_operand" "r")
 		(match_operand:SF 2 "register_operand" "r")
-		(match_operand:SF 3 "register_operand" "r")))]
+		(match_operand:SF 3 "register_operand" "0")))]
   "TARGET_USE_FPU"
-  "maddf.s %2,%1,%3,%0"
+  { return TARGET_V850E3V5_UP ? "fmaf.s %1, %2, %0" : "maddf.s %2, %1, %3, %0"; }
   [(set_attr "length" "4")
    (set_attr "cc" "none_0hit")
    (set_attr "type" "fpu")])
@@ -2525,9 +2529,9 @@
   [(set (match_operand:SF                 0 "register_operand" "=r")
 	(fma:SF (match_operand:SF         1 "register_operand" "r")
 		(match_operand:SF         2 "register_operand" "r")
-		(neg:SF (match_operand:SF 3 "register_operand" "r"))))]
+		(neg:SF (match_operand:SF 3 "register_operand" "0"))))]
   "TARGET_USE_FPU"
-  "msubf.s %2,%1,%3,%0"
+  { return TARGET_V850E3V5_UP ? "fmsf.s %1, %2, %0" : "msubf.s %2, %1, %3, %0"; }
   [(set_attr "length" "4")
    (set_attr "cc" "none_0hit")
    (set_attr "type" "fpu")])
@@ -2537,21 +2541,21 @@
   [(set (match_operand:SF                 0 "register_operand" "=r")
 	(neg:SF (fma:SF (match_operand:SF 1 "register_operand" "r")
 			(match_operand:SF 2 "register_operand" "r")
-			(match_operand:SF 3 "register_operand" "r"))))]
+			(match_operand:SF 3 "register_operand" "0"))))]
   "TARGET_USE_FPU"
-  "nmaddf.s %2,%1,%3,%0"
+  { return TARGET_V850E3V5_UP ? "fnmaf.s %1, %2, %0" : "nmaddf.s %2, %1, %3, %0"; }
   [(set_attr "length" "4")
    (set_attr "cc" "none_0hit")
    (set_attr "type" "fpu")])
 
 ;; negative-multiply-subtract
 (define_insn "fnmssf4"
-  [(set (match_operand:SF                 0 "register_operand" "=r")
+  [(set (match_operand:SF                         0 "register_operand" "=r")
 	(neg:SF (fma:SF (match_operand:SF         1 "register_operand" "r")
 			(match_operand:SF         2 "register_operand" "r")
-			(neg:SF (match_operand:SF 3 "register_operand" "r")))))]
+			(neg:SF (match_operand:SF 3 "register_operand" "0")))))]
   "TARGET_USE_FPU"
-  "nmsubf.s %2,%1,%3,%0"
+  { return TARGET_V850E3V5_UP ? "fnmsf.s %1, %2, %0" : "nmsubf.s %2, %1, %3, %0"; }
   [(set_attr "length" "4")
    (set_attr "cc" "none_0hit")
    (set_attr "type" "fpu")])