From: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Date: Wed, 28 Feb 2007 00:11:14 +0000 (+0000)
Subject: predicates.md (move_src_operand): Allow zero for mode.
X-Git-Tag: releases/gcc-4.3.0~6565
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e214de0a0ad583e7d04c9b97a2f17f42598e78e5;p=thirdparty%2Fgcc.git

predicates.md (move_src_operand): Allow zero for mode.

	* pa/predicates.md (move_src_operand): Allow zero for mode.
	* pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
	move pattern.

From-SVN: r122388
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dc5a8d14d623..888ac2e61941 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	* pa/predicates.md (move_src_operand): Allow zero for mode.
+	* pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
+	move pattern.
+
 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/30970
diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md
index 720bf1501223..54335c347160 100644
--- a/gcc/config/pa/pa.md
+++ b/gcc/config/pa/pa.md
@@ -4343,7 +4343,7 @@
   [(set (match_operand:DF 0 "move_dest_operand"
 			  "=!*r,*r,*r,*r,*r,Q,f,f,T")
 	(match_operand:DF 1 "move_src_operand"
-			  "!*r,J,N,K,RQ,*rM,fM,RT,f"))]
+			  "!*r,J,N,K,RQ,*rG,fG,RT,f"))]
   "(register_operand (operands[0], DFmode)
     || reg_or_0_operand (operands[1], DFmode))
    && !TARGET_SOFT_FLOAT && TARGET_64BIT"
diff --git a/gcc/config/pa/predicates.md b/gcc/config/pa/predicates.md
index 685a4941991f..ff9ebacf1c90 100644
--- a/gcc/config/pa/predicates.md
+++ b/gcc/config/pa/predicates.md
@@ -207,11 +207,14 @@
 ;; instruction.
 
 (define_predicate "move_src_operand"
-  (match_code "subreg,reg,const_int,mem")
+  (match_code "subreg,reg,const_int,const_double,mem")
 {
   if (register_operand (op, mode))
     return 1;
 
+  if (op == CONST0_RTX (mode))
+    return 1;
+
   if (GET_CODE (op) == CONST_INT)
     return cint_ok_for_move (INTVAL (op));