From b93db9f30f9dca7398f56c3be1a5f04cbdbd3e8d Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Sat, 24 Jan 2009 23:27:21 +0000
Subject: HQX: Removed some more branches (like in my previous commit) from
 interpolation macros (they are meant to speed up things, but in reality cause
 a slowdown -- branches are expensive on modern CPUs)

svn-id: r36047
---
 graphics/scaler/hq3x_i386.asm | 12 ------------
 1 file changed, 12 deletions(-)

(limited to 'graphics/scaler/hq3x_i386.asm')

diff --git a/graphics/scaler/hq3x_i386.asm b/graphics/scaler/hq3x_i386.asm
index 3212ea93ac..b13fc10f0d 100644
--- a/graphics/scaler/hq3x_i386.asm
+++ b/graphics/scaler/hq3x_i386.asm
@@ -130,8 +130,6 @@ SECTION .text
 %macro Interp1 3
     mov edx,%2
     mov ecx,%3
-    cmp edx,ecx
-    je  %%fin
     and edx,[_hqx_highbits]
     and ecx,[_hqx_highbits]
     add ecx,edx
@@ -140,7 +138,6 @@ SECTION .text
     and ecx,[_hqx_highbits]
     add edx,ecx
     shr edx,1
-%%fin:
     mov %1,dx
 %endmacro
 
@@ -149,22 +146,16 @@ SECTION .text
 %macro Interp2 4
     mov edx,%3
     mov ecx,%4
-    cmp edx,ecx
-    je  %%fin1
     and edx,[_hqx_highbits]
     and ecx,[_hqx_highbits]
     add ecx,edx
     shr ecx,1
     add ecx,[_hqx_lowbits]
-%%fin1:
     mov edx,%2
-    cmp edx,ecx
-    je  %%fin2
     and ecx,[_hqx_highbits]
     and edx,[_hqx_highbits]
     add edx,ecx
     shr edx,1
-%%fin2:
     mov %1,dx
 %endmacro
 
@@ -220,13 +211,10 @@ SECTION .text
 %macro Interp5 3
     mov edx,%2
     mov ecx,%3
-    cmp edx,ecx
-    je  %%fin
     and edx,[_hqx_highbits]
     and ecx,[_hqx_highbits]
     add edx,ecx
     shr edx,1
-%%fin:
     mov %1,dx
 %endmacro
 
-- 
cgit v1.2.3