From: Jan Hubicka <jh@suse.cz>
Date: Wed, 6 Feb 2008 11:34:00 +0000 (+0100)
Subject: re PR objc/5587 (Objc problems with user_label_prefix)
X-Git-Tag: releases/gcc-4.3.0~253
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=20a415f83b12a3ef53c18ec29453bce4933bfa74;p=thirdparty%2Fgcc.git

re PR objc/5587 (Objc problems with user_label_prefix)


	PR target/5587
	* i386.md (moddf_integer): Do not produce partial memory stalls for
	targets where it hurts.

From-SVN: r132145
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c6631740992d..3b81415bb0f0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2008-02-06  Jan Hubicka  <jh@suse.cz>
+
+	PR target/5587
+	* i386.md (moddf_integer): Do not produce partial memory stalls for
+	targets where it hurts.
+
 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/35083
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index fce691c38a76..1724c0df7f5b 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -2690,15 +2690,19 @@
   [(set (match_operand:DF 0 "nonimmediate_operand"
 			"=f,m,f,*r  ,o  ,Y2*x,Y2*x,Y2*x ,m  ")
 	(match_operand:DF 1 "general_operand"
-			"fm,f,G,*roF,F*r,C   ,Y2*x,mY2*x,Y2*x"))]
+			"fm,f,G,*roF,*Fr,C   ,Y2*x,mY2*x,Y2*x"))]
   "!(MEM_P (operands[0]) && MEM_P (operands[1]))
    && ((optimize_size || !TARGET_INTEGER_DFMODE_MOVES) && !TARGET_64BIT)
    && (reload_in_progress || reload_completed
        || (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE)
        || (!(TARGET_SSE2 && TARGET_SSE_MATH) && optimize_size
+           && !memory_operand (operands[0], DFmode)
 	   && standard_80387_constant_p (operands[1]))
        || GET_CODE (operands[1]) != CONST_DOUBLE
-       || memory_operand (operands[0], DFmode))"
+       || ((optimize_size
+            || !TARGET_MEMORY_MISMATCH_STALL
+	    || reload_in_progress || reload_completed)
+ 	   && memory_operand (operands[0], DFmode)))"
 {
   switch (which_alternative)
     {