PR target/5587

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@132145 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c663174..3b81415 100644 (file)
--- 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 fce691c..1724c0d 100644 (file)
--- 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)
     {