Description: Ensure that vectorized dot product does not use uninitialized data
Origin: upstream,
        https://github.com/xianyi/OpenBLAS/commit/d311236dfdefa41f31a2e7fefa548abf47f0461c
Bug: https://github.com/xianyi/OpenBLAS/issues/189
Last-Update: 2013-01-31
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/kernel/x86_64/dot_sse.S
+++ b/kernel/x86_64/dot_sse.S
@@ -530,7 +530,7 @@
 #endif
 	movsd	-32 * SIZE(Y), %xmm8
 
-	pshufd	$0x39, %xmm4,  %xmm5
+	pshufd	$0x29, %xmm4,  %xmm5
 
 	mulps	%xmm8,  %xmm5
 	addps	%xmm5,  %xmm3
@@ -750,7 +750,8 @@
 	xorps	%xmm5, %xmm5
 	movhlps	%xmm4, %xmm5
 
-	mulps	-32 * SIZE(Y), %xmm5
+	movlps  -32 * SIZE(Y), %xmm4
+	mulps	%xmm4, %xmm5
 	addps	%xmm5, %xmm0
 
 	addq	$2 * SIZE, X
@@ -992,7 +993,7 @@
 	movsd	-32 * SIZE(Y), %xmm8
 
 	movss	%xmm5, %xmm4
-	shufps	$0x93, %xmm5,  %xmm4
+	shufps	$0x93, %xmm4,  %xmm4
 
 	mulps	%xmm8,  %xmm4
 	addps	%xmm4,  %xmm3
--- a/kernel/x86_64/zdot_sse.S
+++ b/kernel/x86_64/zdot_sse.S
@@ -699,7 +699,7 @@
 	movsd	-32 * SIZE(X), %xmm4
 
 	pshufd	$0xb1,  %xmm4, %xmm12 
-	shufps	$0x39,  %xmm8, %xmm8
+	shufps	$0x59,  %xmm8, %xmm8
 	mulps	%xmm8,  %xmm4
 	addps	%xmm4,  %xmm0
 	mulps	%xmm8,  %xmm12
@@ -1336,7 +1336,7 @@
 
 	movss	%xmm9,  %xmm8
 	pshufd	$0xb1,  %xmm4, %xmm12 
-	shufps	$0x93,  %xmm8, %xmm8
+	shufps	$0x03,  %xmm8, %xmm8
 	mulps	%xmm8,  %xmm4
 	addps	%xmm4,  %xmm0
 	mulps	%xmm8,  %xmm12
@@ -1697,7 +1697,7 @@
 	movsd	-32 * SIZE(Y), %xmm4
 
 	pshufd	$0xb1,  %xmm4, %xmm12 
-	shufps	$0x39,  %xmm8, %xmm8
+	shufps	$0xa9,  %xmm8, %xmm8
 	mulps	%xmm8,  %xmm4
 	addps	%xmm4,  %xmm0
 	mulps	%xmm8,  %xmm12
@@ -2024,7 +2024,7 @@
 
 	movss	%xmm9,  %xmm8
 	pshufd	$0xb1,  %xmm4, %xmm12 
-	shufps	$0x93,  %xmm8, %xmm8
+	shufps	$0x03,  %xmm8, %xmm8
 	mulps	%xmm8,  %xmm4
 	addps	%xmm4,  %xmm0
 	mulps	%xmm8,  %xmm12