From 01f526ff28f63f1c2c0bc2e6a15894ae24d83c8e Mon Sep 17 00:00:00 2001
From: Joe Groff <arcata@gmail.com>
Date: Mon, 28 Sep 2009 12:04:08 -0500
Subject: [PATCH] use PSHUFD for longlong-2 broadcast when dst != src to avoid
 a %copy

---
 basis/cpu/x86/x86.factor | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/basis/cpu/x86/x86.factor b/basis/cpu/x86/x86.factor
index 084ce9eef3..4540db1053 100644
--- a/basis/cpu/x86/x86.factor
+++ b/basis/cpu/x86/x86.factor
@@ -596,8 +596,11 @@ M:: x86 %broadcast-vector ( dst src rep -- )
             dst src MOVDDUP
         ] }
         { longlong-2-rep [
-            dst src longlong-2-rep %copy
-            dst dst PUNPCKLQDQ
+            dst src = [
+                dst dst PUNPCKLQDQ
+            ] [
+                dst src { 0 1 0 1 } PSHUFD
+            ] if
         ] }
         { int-4-rep      [ dst src { 0 0 0 0 } PSHUFD ] }
         { short-8-rep    [