2007-04-23 H.J. Lu <hongjiu.lu@intel.com>

	* config/i386/sse.md (sse2_stored): Don't split to inter-unit
	move if inter-unit move isn't allowed.
	Don't split moving the first element of V2DI to DI to inter-unit
	move if inter-unit move isn't allowed.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124070 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6f7e715..1420676 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/sse.md (sse2_stored): Don't split to inter-unit
+       move if inter-unit move isn't allowed.
+       Don't split moving the first element of V2DI to DI to inter-unit
+       move if inter-unit move isn't allowed.
+
 2007-04-23  Richard Guenther  <rguenther@suse.de>
 
        * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS

diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 16219e0..279e18e 100644 (file)
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -4010,7 +4010,10 @@
          (parallel [(const_int 0)])))]
   "TARGET_SSE"
   "#"
-  "&& reload_completed"
+  "&& reload_completed
+   && (TARGET_INTER_UNIT_MOVES 
+       || MEM_P (operands [0])
+       || !GENERAL_REGNO_P (true_regnum (operands [0])))"
   [(set (match_dup 0) (match_dup 1))]
 {
   operands[1] = gen_rtx_REG (SImode, REGNO (operands[1]));
@@ -4045,7 +4048,11 @@
        (vec_select:DI
          (match_operand:V2DI 1 "register_operand" "")
          (parallel [(const_int 0)])))]
-  "TARGET_SSE && reload_completed"
+  "TARGET_SSE
+   && reload_completed
+   && (TARGET_INTER_UNIT_MOVES 
+       || MEM_P (operands [0])
+       || !GENERAL_REGNO_P (true_regnum (operands [0])))"
   [(set (match_dup 0) (match_dup 1))]
 {
   operands[1] = gen_rtx_REG (DImode, REGNO (operands[1]));