From: Fiona Glaser <fiona@x264.com>
Date: Sat, 7 Feb 2009 09:57:43 +0000 (-0800)
Subject: Faster coeff_last64 on 32-bit
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5a7a1d14e461c431370d9111f3e6eb4efc15737f;p=libx264

Faster coeff_last64 on 32-bit
---

diff --git a/common/x86/quant-a.asm b/common/x86/quant-a.asm
index d1b39919..a013e538 100644
--- a/common/x86/quant-a.asm
+++ b/common/x86/quant-a.asm
@@ -820,17 +820,17 @@ cglobal x264_coeff_last16_%1, 1,3
 %ifndef ARCH_X86_64
 cglobal x264_coeff_last64_%1, 1, 5-mmsize/16
     pxor m2, m2
-    LAST_MASK r1d, r0, r4d
-    LAST_MASK r2d, r0+32, r4d
-    shl r2d, 16
-    or  r1d, r2d
     LAST_MASK r2d, r0+64, r4d
     LAST_MASK r3d, r0+96, r4d
     shl r3d, 16
     or  r2d, r3d
-    not r1d
     xor r2d, -1
     jne .secondhalf
+    LAST_MASK r1d, r0, r4d
+    LAST_MASK r3d, r0+32, r4d
+    shl r3d, 16
+    or  r1d, r3d
+    not r1d
     LAST eax, r1d, 0x1f
     RET
 .secondhalf: