From: "Ronald S. Bultje" <rsbul...@gmail.com>

This saves one instruction in the x86-64 assembly.
---
 libavcodec/arm/vorbisdsp_init_neon.c | 3 ++-
 libavcodec/ppc/vorbisdsp_altivec.c   | 2 +-
 libavcodec/vorbis.h                  | 2 +-
 libavcodec/vorbisdec.c               | 2 +-
 libavcodec/vorbisdsp.h               | 3 ++-
 libavcodec/x86/vorbisdsp.asm         | 1 -
 libavcodec/x86/vorbisdsp_init.c      | 6 ++++--
 7 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/libavcodec/arm/vorbisdsp_init_neon.c 
b/libavcodec/arm/vorbisdsp_init_neon.c
index bb0591d..dcccdc4 100644
--- a/libavcodec/arm/vorbisdsp_init_neon.c
+++ b/libavcodec/arm/vorbisdsp_init_neon.c
@@ -21,7 +21,8 @@
 
 #include "libavcodec/vorbisdsp.h"
 
-void ff_vorbis_inverse_coupling_neon(float *mag, float *ang, int blocksize);
+void ff_vorbis_inverse_coupling_neon(float *mag, float *ang,
+                                     intptr_t blocksize);
 
 void ff_vorbisdsp_init_neon(DSPContext *c)
 {
diff --git a/libavcodec/ppc/vorbisdsp_altivec.c 
b/libavcodec/ppc/vorbisdsp_altivec.c
index e519780..9beb8c3 100644
--- a/libavcodec/ppc/vorbisdsp_altivec.c
+++ b/libavcodec/ppc/vorbisdsp_altivec.c
@@ -27,7 +27,7 @@
 #include "libavcodec/vorbisdsp.h"
 
 static void vorbis_inverse_coupling_altivec(float *mag, float *ang,
-                                            int blocksize)
+                                            intptr_t blocksize)
 {
     int i;
     vector float m, a;
diff --git a/libavcodec/vorbis.h b/libavcodec/vorbis.h
index 6b72f6a..e4d7dd4 100644
--- a/libavcodec/vorbis.h
+++ b/libavcodec/vorbis.h
@@ -43,7 +43,7 @@ int ff_vorbis_len2vlc(uint8_t *bits, uint32_t *codes, 
unsigned num);
 void ff_vorbis_floor1_render_list(vorbis_floor1_entry * list, int values,
                                   uint16_t *y_list, int *flag,
                                   int multiplier, float * out, int samples);
-void ff_vorbis_inverse_coupling(float *mag, float *ang, int blocksize);
+void ff_vorbis_inverse_coupling(float *mag, float *ang, intptr_t blocksize);
 
 #define ilog(i) av_log2(2*(i))
 
diff --git a/libavcodec/vorbisdec.c b/libavcodec/vorbisdec.c
index 6b75ae3..791314e 100644
--- a/libavcodec/vorbisdec.c
+++ b/libavcodec/vorbisdec.c
@@ -1450,7 +1450,7 @@ static inline int vorbis_residue_decode(vorbis_context 
*vc, vorbis_residue *vr,
     }
 }
 
-void ff_vorbis_inverse_coupling(float *mag, float *ang, int blocksize)
+void ff_vorbis_inverse_coupling(float *mag, float *ang, intptr_t blocksize)
 {
     int i;
     for (i = 0;  i < blocksize;  i++) {
diff --git a/libavcodec/vorbisdsp.h b/libavcodec/vorbisdsp.h
index 6a24810..e615ff4 100644
--- a/libavcodec/vorbisdsp.h
+++ b/libavcodec/vorbisdsp.h
@@ -26,7 +26,8 @@
 
 typedef struct {
     /* assume len is a multiple of 4, and arrays are 16-byte aligned */
-    void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize);    
+    void (*vorbis_inverse_coupling)(float *mag, float *ang,
+                                    intptr_t blocksize);
 } VorbisDSPContext;
 
 void ff_vorbisdsp_init(VorbisDSPContext *dsp);
diff --git a/libavcodec/x86/vorbisdsp.asm b/libavcodec/x86/vorbisdsp.asm
index b259548..c981407 100644
--- a/libavcodec/x86/vorbisdsp.asm
+++ b/libavcodec/x86/vorbisdsp.asm
@@ -58,7 +58,6 @@ cglobal vorbis_inverse_coupling, 3, 3, 6, mag, ang, block_size
 
 INIT_XMM sse
 cglobal vorbis_inverse_coupling, 3, 3, 6, mag, ang, block_size
-    movsxdifnidn    block_sizeq, block_sized
     mova                     m5, [pdw_80000000]
     lea                    magq, [magq+block_sizeq*4]
     lea                    angq, [angq+block_sizeq*4]
diff --git a/libavcodec/x86/vorbisdsp_init.c b/libavcodec/x86/vorbisdsp_init.c
index 1f6bc7b..fd8133d 100644
--- a/libavcodec/x86/vorbisdsp_init.c
+++ b/libavcodec/x86/vorbisdsp_init.c
@@ -22,8 +22,10 @@
 #include "libavutil/cpu.h"
 #include "libavcodec/vorbisdsp.h"
 
-void ff_vorbis_inverse_coupling_3dnow(float *mag, float *ang, int blocksize);
-void ff_vorbis_inverse_coupling_sse(float *mag, float *ang, int blocksize);
+void ff_vorbis_inverse_coupling_3dnow(float *mag, float *ang,
+                                      intptr_t blocksize);
+void ff_vorbis_inverse_coupling_sse(float *mag, float *ang,
+                                    intptr_t blocksize);
 
 void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp)
 {
-- 
1.7.11.3

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