pixman/0001-Fix-the-SSSE3-CPUID-detection.patch
2013-11-14 08:33:16 -05:00

31 lines
856 B
Diff

From 8487dfbcd056eff066939dc253fcf361b391592a Mon Sep 17 00:00:00 2001
From: Jakub Bogusz <qboosh@pld-linux.org>
Date: Tue, 12 Nov 2013 12:59:42 -0800
Subject: [PATCH] Fix the SSSE3 CPUID detection.
SSSE3 is detected by bit 9 of ECX, but we were checking bit 9 of EDX
which is APIC leading to SSSE3 routines being called on CPUs without
SSSE3.
Reviewed-by: Matt Turner <mattst88@gmail.com>
---
pixman/pixman-x86.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/pixman/pixman-x86.c b/pixman/pixman-x86.c
index 6527760..05297c4 100644
--- a/pixman/pixman-x86.c
+++ b/pixman/pixman-x86.c
@@ -170,7 +170,7 @@ detect_cpu_features (void)
features |= X86_SSE;
if (d & (1 << 26))
features |= X86_SSE2;
- if (d & (1 << 9))
+ if (c & (1 << 9))
features |= X86_SSSE3;
/* Check for AMD specific features */
--
1.8.3.1