Do not misuse long as the size of a register in x86.

typedef x86_reg as the appropriate size and use it instead.

Originally committed as revision 13081 to svn://svn.ffmpeg.org/ffmpeg/trunk

21 files changed, 187 insertions, 175 deletions

diff --git a/libavcodec/i386/cavsdsp_mmx.c b/libavcodec/i386/cavsdsp_mmx.c
index 141382fb07..618c60dce6 100644
--- a/libavcodec/i386/cavsdsp_mmx.c
+++ b/libavcodec/i386/cavsdsp_mmx.c
@@ -25,6 +25,7 @@
 #include "dsputil.h"
 #include "dsputil_mmx.h"
 #include "common.h"
+#include "x86_cpu.h"
 
 /*****************************************************************************
  *
@@ -301,7 +302,7 @@ static void cavs_idct8_add_mmx(uint8_t *dst, int16_t *block, int stride)
         VOP(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP)\
         \
         : "+a"(src), "+c"(dst)\
-        : "S"((long)srcStride), "D"((long)dstStride), "m"(ADD), "m"(MUL1), "m"(MUL2)\
+        : "S"((x86_reg)srcStride), "D"((x86_reg)dstStride), "m"(ADD), "m"(MUL1), "m"(MUL2)\
         : "memory"\
      );\
      if(h==16){\
@@ -316,7 +317,7 @@ static void cavs_idct8_add_mmx(uint8_t *dst, int16_t *block, int stride)
             VOP(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP)\
             \
            : "+a"(src), "+c"(dst)\
-           : "S"((long)srcStride), "D"((long)dstStride), "m"(ADD),  "m"(MUL1), "m"(MUL2)\
+           : "S"((x86_reg)srcStride), "D"((x86_reg)dstStride), "m"(ADD),  "m"(MUL1), "m"(MUL2)\
            : "memory"\
         );\
      }\
@@ -367,7 +368,7 @@ static void OPNAME ## cavs_qpel8_h_ ## MMX(uint8_t *dst, uint8_t *src, int dstSt
         "decl %2                    \n\t"\
         " jnz 1b                    \n\t"\
         : "+a"(src), "+c"(dst), "+m"(h)\
-        : "d"((long)srcStride), "S"((long)dstStride), "m"(ff_pw_5), "m"(ff_pw_4)\
+        : "d"((x86_reg)srcStride), "S"((x86_reg)dstStride), "m"(ff_pw_5), "m"(ff_pw_4)\
         : "memory"\
     );\
 }\
diff --git a/libavcodec/i386/cpuid.c b/libavcodec/i386/cpuid.c
index 879d36cd38..a07749d1d3 100644
--- a/libavcodec/i386/cpuid.c
+++ b/libavcodec/i386/cpuid.c
@@ -42,7 +42,7 @@ int mm_support(void)
     int rval = 0;
     int eax, ebx, ecx, edx;
     int max_std_level, max_ext_level, std_caps=0, ext_caps=0;
-    long a, c;
+    x86_reg a, c;
 
     asm volatile (
         /* See if CPUID instruction is supported ... */
diff --git a/libavcodec/i386/dsputil_h264_template_mmx.c b/libavcodec/i386/dsputil_h264_template_mmx.c
index 6aff9ff50d..a2daa0ba10 100644
--- a/libavcodec/i386/dsputil_h264_template_mmx.c
+++ b/libavcodec/i386/dsputil_h264_template_mmx.c
@@ -249,7 +249,7 @@ static void H264_CHROMA_MC4_TMPL(uint8_t *dst/*align 4*/, uint8_t *src/*align 1*
         "sub $2, %2                 \n\t"
         "jnz 1b                     \n\t"
         : "+r"(dst), "+r"(src), "+r"(h)
-        : "r"((long)stride), "m"(ff_pw_32), "m"(x), "m"(y)
+        : "r"((x86_reg)stride), "m"(ff_pw_32), "m"(x), "m"(y)
     );
 }
 
@@ -300,7 +300,7 @@ static void H264_CHROMA_MC2_TMPL(uint8_t *dst/*align 2*/, uint8_t *src/*align 1*
         "sub $1, %2\n\t"
         "jnz 1b\n\t"
         : "+r" (dst), "+r"(src), "+r"(h)
-        : "m" (ff_pw_32), "r"((long)stride)
+        : "m" (ff_pw_32), "r"((x86_reg)stride)
         : "%esi");
 
 }
diff --git a/libavcodec/i386/dsputil_h264_template_ssse3.c b/libavcodec/i386/dsputil_h264_template_ssse3.c
index 2ff685d76d..5345ccc1d8 100644
--- a/libavcodec/i386/dsputil_h264_template_ssse3.c
+++ b/libavcodec/i386/dsputil_h264_template_ssse3.c
@@ -72,7 +72,7 @@ static void H264_CHROMA_MC8_TMPL(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*
                 "lea (%0,%3,2), %0 \n\t"
                 "jg 1b \n\t"
                 :"+r"(dst), "+r"(src), "+r"(h)
-                :"r"((long)stride)
+                :"r"((x86_reg)stride)
             );
         } else {
             asm volatile(
@@ -100,7 +100,7 @@ static void H264_CHROMA_MC8_TMPL(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*
                 "lea (%0,%3,2), %0 \n\t"
                 "jg 1b \n\t"
                 :"+r"(dst), "+r"(src), "+r"(h)
-                :"r"((long)stride)
+                :"r"((x86_reg)stride)
             );
         }
         return;
@@ -154,7 +154,7 @@ static void H264_CHROMA_MC8_TMPL(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*
         "lea (%0,%3,2), %0 \n\t"
         "jg 1b \n\t"
         :"+r"(dst), "+r"(src), "+r"(h)
-        :"r"((long)stride)
+        :"r"((x86_reg)stride)
     );
 }
 
@@ -202,7 +202,7 @@ static void H264_CHROMA_MC4_TMPL(uint8_t *dst/*align 4*/, uint8_t *src/*align 1*
         "lea (%0,%3,2), %0 \n\t"
         "jg 1b \n\t"
         :"+r"(dst), "+r"(src), "+r"(h)
-        :"r"((long)stride)
+        :"r"((x86_reg)stride)
     );
 }
 
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c
index 620b9a2478..b8beddded9 100644
--- a/libavcodec/i386/dsputil_mmx.c
+++ b/libavcodec/i386/dsputil_mmx.c
@@ -240,7 +240,7 @@ void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size
                 "movq   %%mm2, (%0, %1)         \n\t"
                 "movq   %%mm4, (%0, %1, 2)      \n\t"
                 "movq   %%mm6, (%0, %2)         \n\t"
-                ::"r" (pix), "r" ((long)line_size), "r" ((long)line_size*3), "m"(*p)
+                ::"r" (pix), "r" ((x86_reg)line_size), "r" ((x86_reg)line_size*3), "m"(*p)
                 :"memory");
         pix += line_size*4;
         p += 32;
@@ -265,7 +265,7 @@ void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size
             "movq       %%mm2, (%0, %1)         \n\t"
             "movq       %%mm4, (%0, %1, 2)      \n\t"
             "movq       %%mm6, (%0, %2)         \n\t"
-            ::"r" (pix), "r" ((long)line_size), "r" ((long)line_size*3), "r"(p)
+            ::"r" (pix), "r" ((x86_reg)line_size), "r" ((x86_reg)line_size*3), "r"(p)
             :"memory");
 }
 
@@ -349,7 +349,7 @@ static void put_pixels4_mmx(uint8_t *block, const uint8_t *pixels, int line_size
          "subl $4, %0                   \n\t"
          "jnz 1b                        \n\t"
          : "+g"(h), "+r" (pixels),  "+r" (block)
-         : "r"((long)line_size)
+         : "r"((x86_reg)line_size)
          : "%"REG_a, "memory"
         );
 }
@@ -375,7 +375,7 @@ static void put_pixels8_mmx(uint8_t *block, const uint8_t *pixels, int line_size
          "subl $4, %0                   \n\t"
          "jnz 1b                        \n\t"
          : "+g"(h), "+r" (pixels),  "+r" (block)
-         : "r"((long)line_size)
+         : "r"((x86_reg)line_size)
          : "%"REG_a, "memory"
         );
 }
@@ -409,7 +409,7 @@ static void put_pixels16_mmx(uint8_t *block, const uint8_t *pixels, int line_siz
          "subl $4, %0                   \n\t"
          "jnz 1b                        \n\t"
          : "+g"(h), "+r" (pixels),  "+r" (block)
-         : "r"((long)line_size)
+         : "r"((x86_reg)line_size)
          : "%"REG_a, "memory"
         );
 }
@@ -431,7 +431,7 @@ static void put_pixels16_sse2(uint8_t *block, const uint8_t *pixels, int line_si
          "lea (%2,%3,4), %2             \n\t"
          "jnz 1b                        \n\t"
          : "+g"(h), "+r" (pixels),  "+r" (block)
-         : "r"((long)line_size), "r"(3L*line_size)
+         : "r"((x86_reg)line_size), "r"((x86_reg)3L*line_size)
          : "memory"
         );
 }
@@ -457,7 +457,7 @@ static void avg_pixels16_sse2(uint8_t *block, const uint8_t *pixels, int line_si
          "lea (%2,%3,4), %2             \n\t"
          "jnz 1b                        \n\t"
          : "+g"(h), "+r" (pixels),  "+r" (block)
-         : "r"((long)line_size), "r"(3L*line_size)
+         : "r"((x86_reg)line_size), "r"((x86_reg)3L*line_size)
          : "memory"
         );
 }
@@ -480,7 +480,7 @@ static void clear_blocks_mmx(DCTELEM *blocks)
 }
 
 static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){
-    long i=0;
+    x86_reg i=0;
     asm volatile(
         "1:                             \n\t"
         "movq  (%1, %0), %%mm0          \n\t"
@@ -495,14 +495,14 @@ static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){
         "cmp %3, %0                     \n\t"
         " jb 1b                         \n\t"
         : "+r" (i)
-        : "r"(src), "r"(dst), "r"((long)w-15)
+        : "r"(src), "r"(dst), "r"((x86_reg)w-15)
     );
     for(; i<w; i++)
         dst[i+0] += src[i+0];
 }
 
 static void add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
-    long i=0;
+    x86_reg i=0;
     asm volatile(
         "1:                             \n\t"
         "movq   (%2, %0), %%mm0         \n\t"
@@ -515,7 +515,7 @@ static void add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
         "cmp %4, %0                     \n\t"
         " jb 1b                         \n\t"
         : "+r" (i)
-        : "r"(dst), "r"(src1), "r"(src2), "r"((long)w-15)
+        : "r"(dst), "r"(src1), "r"(src2), "r"((x86_reg)w-15)
     );
     for(; i<w; i++)
         dst[i] = src1[i] + src2[i];
@@ -689,8 +689,8 @@ static void h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale){
         "movd %%mm6, (%1,%3)            \n\t"
         :: "r" (src),
            "r" (src + 4*stride),
-           "r" ((long)   stride ),
-           "r" ((long)(3*stride))
+           "r" ((x86_reg)   stride ),
+           "r" ((x86_reg)(3*stride))
     );
     }
 }
@@ -723,7 +723,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w)
                 "cmp %3, %0                     \n\t"
                 " jb 1b                         \n\t"
                 : "+r" (ptr)
-                : "r" ((long)wrap), "r" ((long)width), "r" (ptr + wrap*height)
+                : "r" ((x86_reg)wrap), "r" ((x86_reg)width), "r" (ptr + wrap*height)
         );
     }
     else
@@ -746,7 +746,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w)
                 "cmp %3, %0                     \n\t"
                 " jb 1b                         \n\t"
                 : "+r" (ptr)
-                : "r" ((long)wrap), "r" ((long)width), "r" (ptr + wrap*height)
+                : "r" ((x86_reg)wrap), "r" ((x86_reg)width), "r" (ptr + wrap*height)
         );
     }
 
@@ -764,7 +764,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w)
                 "cmp %4, %0                     \n\t"
                 " jb 1b                         \n\t"
                 : "+r" (ptr)
-                : "r" ((long)buf - (long)ptr - w), "r" ((long)-wrap), "r" ((long)-wrap*3), "r" (ptr+width+2*w)
+                : "r" ((x86_reg)buf - (x86_reg)ptr - w), "r" ((x86_reg)-wrap), "r" ((x86_reg)-wrap*3), "r" (ptr+width+2*w)
         );
         ptr= last_line + (i + 1) * wrap - w;
         asm volatile(
@@ -778,7 +778,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w)
                 "cmp %4, %0                     \n\t"
                 " jb 1b                         \n\t"
                 : "+r" (ptr)
-                : "r" ((long)last_line - (long)ptr - w), "r" ((long)wrap), "r" ((long)wrap*3), "r" (ptr+width+2*w)
+                : "r" ((x86_reg)last_line - (x86_reg)ptr - w), "r" ((x86_reg)wrap), "r" ((x86_reg)wrap*3), "r" (ptr+width+2*w)
         );
     }
 }
@@ -786,8 +786,8 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w)
 #define PAETH(cpu, abs3)\
 void add_png_paeth_prediction_##cpu(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp)\
 {\
-    long i = -bpp;\
-    long end = w-3;\
+    x86_reg i = -bpp;\
+    x86_reg end = w-3;\
     asm volatile(\
         "pxor      %%mm7, %%mm7 \n"\
         "movd    (%1,%0), %%mm0 \n"\
@@ -830,7 +830,7 @@ void add_png_paeth_prediction_##cpu(uint8_t *dst, uint8_t *src, uint8_t *top, in
         "cmp       %5, %0 \n"\
         "jle 1b \n"\
         :"+r"(i)\
-        :"r"(dst), "r"(top), "r"(src), "r"((long)bpp), "g"(end),\
+        :"r"(dst), "r"(top), "r"(src), "r"((x86_reg)bpp), "g"(end),\
          "m"(ff_pw_255)\
         :"memory"\
     );\
@@ -994,7 +994,7 @@ static void OPNAME ## mpeg4_qpel16_h_lowpass_mmx2(uint8_t *dst, uint8_t *src, in
         "decl %2                          \n\t"\
         " jnz 1b                          \n\t"\
         : "+a"(src), "+c"(dst), "+D"(h)\
-        : "d"((long)srcStride), "S"((long)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(temp), "m"(ROUNDER)\
+        : "d"((x86_reg)srcStride), "S"((x86_reg)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(temp), "m"(ROUNDER)\
         : "memory"\
     );\
 }\
@@ -1105,7 +1105,7 @@ static void OPNAME ## mpeg4_qpel8_h_lowpass_mmx2(uint8_t *dst, uint8_t *src, int
         "decl %2                          \n\t"\
         " jnz 1b                          \n\t"\
         : "+a"(src), "+c"(dst), "+d"(h)\
-        : "S"((long)srcStride), "D"((long)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(ROUNDER)\
+        : "S"((x86_reg)srcStride), "D"((x86_reg)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(ROUNDER)\
         : "memory"\
     );\
 }\
@@ -1169,7 +1169,7 @@ static void OPNAME ## mpeg4_qpel16_v_lowpass_ ## MMX(uint8_t *dst, uint8_t *src,
         "decl %2                        \n\t"\
         " jnz 1b                        \n\t"\
         : "+r" (src), "+r" (temp_ptr), "+r"(count)\
-        : "r" ((long)srcStride)\
+        : "r" ((x86_reg)srcStride)\
         : "memory"\
     );\
     \
@@ -1216,7 +1216,7 @@ static void OPNAME ## mpeg4_qpel16_v_lowpass_ ## MMX(uint8_t *dst, uint8_t *src,
         " jnz 1b                        \n\t"\
         \
         : "+r"(temp_ptr), "+r"(dst), "+g"(count)\
-        : "r"((long)dstStride), "r"(2*(long)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(ROUNDER), "g"(4-14*(long)dstStride)\
+        : "r"((x86_reg)dstStride), "r"(2*(x86_reg)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(ROUNDER), "g"(4-14*(x86_reg)dstStride)\
         :"memory"\
     );\
 }\
@@ -1241,7 +1241,7 @@ static void OPNAME ## mpeg4_qpel8_v_lowpass_ ## MMX(uint8_t *dst, uint8_t *src,
         "decl %2                        \n\t"\
         " jnz 1b                        \n\t"\
         : "+r" (src), "+r" (temp_ptr), "+r"(count)\
-        : "r" ((long)srcStride)\
+        : "r" ((x86_reg)srcStride)\
         : "memory"\
     );\
     \
@@ -1276,7 +1276,7 @@ static void OPNAME ## mpeg4_qpel8_v_lowpass_ ## MMX(uint8_t *dst, uint8_t *src,
         " jnz 1b                        \n\t"\
          \
         : "+r"(temp_ptr), "+r"(dst), "+g"(count)\
-        : "r"((long)dstStride), "r"(2*(long)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(ROUNDER), "g"(4-6*(long)dstStride)\
+        : "r"((x86_reg)dstStride), "r"(2*(x86_reg)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(ROUNDER), "g"(4-6*(x86_reg)dstStride)\
         : "memory"\
    );\
 }\
@@ -1839,7 +1839,7 @@ static void vorbis_inverse_coupling_sse(float *mag, float *ang, int blocksize)
 }
 
 static void vector_fmul_3dnow(float *dst, const float *src, int len){
-    long i = (len-4)*4;
+    x86_reg i = (len-4)*4;
     asm volatile(
         "1: \n\t"
         "movq    (%1,%0), %%mm0 \n\t"
@@ -1857,7 +1857,7 @@ static void vector_fmul_3dnow(float *dst, const float *src, int len){
     );
 }
 static void vector_fmul_sse(float *dst, const float *src, int len){
-    long i = (len-8)*4;
+    x86_reg i = (len-8)*4;
     asm volatile(
         "1: \n\t"
         "movaps    (%1,%0), %%xmm0 \n\t"
@@ -1875,7 +1875,7 @@ static void vector_fmul_sse(float *dst, const float *src, int len){
 }
 
 static void vector_fmul_reverse_3dnow2(float *dst, const float *src0, const float *src1, int len){
-    long i = len*4-16;
+    x86_reg i = len*4-16;
     asm volatile(
         "1: \n\t"
         "pswapd   8(%1), %%mm0 \n\t"
@@ -1893,7 +1893,7 @@ static void vector_fmul_reverse_3dnow2(float *dst, const float *src0, const floa
     asm volatile("femms");
 }
 static void vector_fmul_reverse_sse(float *dst, const float *src0, const float *src1, int len){
-    long i = len*4-32;
+    x86_reg i = len*4-32;
     asm volatile(
         "1: \n\t"
         "movaps        16(%1), %%xmm0 \n\t"
@@ -1914,7 +1914,7 @@ static void vector_fmul_reverse_sse(float *dst, const float *src0, const float *
 
 static void vector_fmul_add_add_3dnow(float *dst, const float *src0, const float *src1,
                                       const float *src2, int src3, int len, int step){
-    long i = (len-4)*4;
+    x86_reg i = (len-4)*4;
     if(step == 2 && src3 == 0){
         dst += (len-4)*2;
         asm volatile(
@@ -1963,7 +1963,7 @@ static void vector_fmul_add_add_3dnow(float *dst, const float *src0, const float
 }
 static void vector_fmul_add_add_sse(float *dst, const float *src0, const float *src1,
                                     const float *src2, int src3, int len, int step){
-    long i = (len-8)*4;
+    x86_reg i = (len-8)*4;
     if(step == 2 && src3 == 0){
         dst += (len-8)*2;
         asm volatile(
diff --git a/libavcodec/i386/dsputil_mmx_avg.h b/libavcodec/i386/dsputil_mmx_avg.h
index c6c7aaa629..7509b75e58 100644
--- a/libavcodec/i386/dsputil_mmx_avg.h
+++ b/libavcodec/i386/dsputil_mmx_avg.h
@@ -55,7 +55,7 @@ static void DEF(put_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_
         "subl $4, %0                    \n\t"
         "jnz 1b                         \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r" ((long)line_size)
+        :"r" ((x86_reg)line_size)
         :"%"REG_a, "memory");
 }
 
@@ -105,7 +105,7 @@ static void DEF(put_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int
 #else
         :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
 #endif
-        :"S"((long)src1Stride), "D"((long)dstStride)
+        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
         :"memory");
 }
 
@@ -152,7 +152,7 @@ static void DEF(put_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int
 #else
         :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
 #endif
-        :"S"((long)src1Stride), "D"((long)dstStride)
+        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
         :"memory");
 //the following should be used, though better not with gcc ...
 /*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
@@ -222,7 +222,7 @@ static void DEF(put_no_rnd_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src
 #else
         :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
 #endif
-        :"S"((long)src1Stride), "D"((long)dstStride)
+        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
         :"memory");
 //the following should be used, though better not with gcc ...
 /*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
@@ -277,7 +277,7 @@ static void DEF(avg_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int
 #else
         :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
 #endif
-        :"S"((long)src1Stride), "D"((long)dstStride)
+        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
         :"memory");
 }
 
@@ -329,7 +329,7 @@ static void DEF(avg_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int
 #else
         :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
 #endif
-        :"S"((long)src1Stride), "D"((long)dstStride)
+        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
         :"memory");
 //the following should be used, though better not with gcc ...
 /*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
@@ -373,7 +373,7 @@ static void DEF(put_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line
         "subl $4, %0                    \n\t"
         "jnz 1b                         \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r" ((long)line_size)
+        :"r" ((x86_reg)line_size)
         :"%"REG_a, "memory");
 }
 
@@ -417,7 +417,7 @@ static void DEF(put_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int
 #else
         :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
 #endif
-        :"S"((long)src1Stride), "D"((long)dstStride)
+        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
         :"memory");
 //the following should be used, though better not with gcc ...
 /*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
@@ -471,7 +471,7 @@ static void DEF(avg_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int
 #else
         :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
 #endif
-        :"S"((long)src1Stride), "D"((long)dstStride)
+        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
         :"memory");
 //the following should be used, though better not with gcc ...
 /*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
@@ -544,7 +544,7 @@ static void DEF(put_no_rnd_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *sr
 #else
         :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
 #endif
-        :"S"((long)src1Stride), "D"((long)dstStride)
+        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
         :"memory");
 //the following should be used, though better not with gcc ...
 /*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
@@ -586,7 +586,7 @@ static void DEF(put_no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, in
         "subl $4, %0                    \n\t"
         "jnz 1b                         \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r" ((long)line_size)
+        :"r" ((x86_reg)line_size)
         :"%"REG_a, "memory");
 }
 
@@ -616,7 +616,7 @@ static void DEF(put_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_
         "subl $4, %0                    \n\t"
         "jnz 1b                         \n\t"
         :"+g"(h), "+S"(pixels), "+D" (block)
-        :"r" ((long)line_size)
+        :"r" ((x86_reg)line_size)
         :"%"REG_a, "memory");
 }
 
@@ -650,7 +650,7 @@ static void DEF(put_no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, in
         "subl $4, %0                    \n\t"
         "jnz 1b                         \n\t"
         :"+g"(h), "+S"(pixels), "+D" (block)
-        :"r" ((long)line_size)
+        :"r" ((x86_reg)line_size)
         :"%"REG_a, "memory");
 }
 
@@ -678,7 +678,7 @@ static void DEF(avg_pixels8)(uint8_t *block, const uint8_t *pixels, int line_siz
         "subl $4, %0                    \n\t"
         "jnz 1b                         \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r" ((long)line_size)
+        :"r" ((x86_reg)line_size)
         :"%"REG_a, "memory");
 }
 
@@ -710,7 +710,7 @@ static void DEF(avg_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_
         "subl $4, %0                    \n\t"
         "jnz 1b                         \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r" ((long)line_size)
+        :"r" ((x86_reg)line_size)
         :"%"REG_a, "memory");
 }
 
@@ -748,7 +748,7 @@ static void DEF(avg_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_
         "subl $4, %0                    \n\t"
         "jnz 1b                         \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r" ((long)line_size)
+        :"r" ((x86_reg)line_size)
         :"%"REG_a, "memory");
 }
 
@@ -791,7 +791,7 @@ static void DEF(avg_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line
         "subl $4, %0                    \n\t"
         "jnz 1b                         \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r" ((long)line_size)
+        :"r" ((x86_reg)line_size)
         :"%"REG_a,  "memory");
 }
 
@@ -812,7 +812,7 @@ static void DEF(avg_pixels4)(uint8_t *block, const uint8_t *pixels, int line_siz
             "movd %%mm2, (%1, %2, 2)        \n\t"
             "movd %%mm3, (%1, %3)           \n\t"
             ::"S"(pixels), "D"(block),
-             "r" ((long)line_size), "r"(3L*line_size)
+             "r" ((x86_reg)line_size), "r"((x86_reg)3L*line_size)
             :"memory");
         block += 4*line_size;
         pixels += 4*line_size;
@@ -868,8 +868,8 @@ static void DEF(OPNAME ## 2tap_qpel16_l3)(uint8_t *dst, uint8_t *src, int stride
         "decl  %0              \n\t"\
         "jnz   1b              \n\t"\
         :"+g"(h), "+r"(src)\
-        :"r"((long)off1), "r"((long)off2),\
-         "r"((long)(dst-src)), "r"((long)stride)\
+        :"r"((x86_reg)off1), "r"((x86_reg)off2),\
+         "r"((x86_reg)(dst-src)), "r"((x86_reg)stride)\
         :"memory"\
     );\
 }\
@@ -885,8 +885,8 @@ static void DEF(OPNAME ## 2tap_qpel8_l3)(uint8_t *dst, uint8_t *src, int stride,
         "decl  %0              \n\t"\
         "jnz   1b              \n\t"\
         :"+g"(h), "+r"(src)\
-        :"r"((long)off1), "r"((long)off2),\
-         "r"((long)(dst-src)), "r"((long)stride)\
+        :"r"((x86_reg)off1), "r"((x86_reg)off2),\
+         "r"((x86_reg)(dst-src)), "r"((x86_reg)stride)\
         :"memory"\
     );\
 }
diff --git a/libavcodec/i386/dsputil_mmx_qns.h b/libavcodec/i386/dsputil_mmx_qns.h
index f01f0b08bb..af726edbfb 100644
--- a/libavcodec/i386/dsputil_mmx_qns.h
+++ b/libavcodec/i386/dsputil_mmx_qns.h
@@ -30,7 +30,7 @@
 
 static int DEF(try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale)
 {
-    long i=0;
+    x86_reg i=0;
 
     assert(FFABS(scale) < MAX_ABS);
     scale<<= 16 + SCALE_OFFSET - BASIS_SHIFT + RECON_SHIFT;
@@ -72,7 +72,7 @@ static int DEF(try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[
 
 static void DEF(add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale)
 {
-    long i=0;
+    x86_reg i=0;
 
     if(FFABS(scale) < MAX_ABS){
         scale<<= 16 + SCALE_OFFSET - BASIS_SHIFT + RECON_SHIFT;
diff --git a/libavcodec/i386/dsputil_mmx_rnd.h b/libavcodec/i386/dsputil_mmx_rnd.h
index 33c8a2692e..22413104ac 100644
--- a/libavcodec/i386/dsputil_mmx_rnd.h
+++ b/libavcodec/i386/dsputil_mmx_rnd.h
@@ -57,7 +57,7 @@ static void DEF(put, pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line
         "subl   $4, %0                  \n\t"
         "jnz    1b                      \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r"((long)line_size)
+        :"r"((x86_reg)line_size)
         :REG_a, "memory");
 }
 
@@ -107,7 +107,7 @@ static void av_unused DEF(put, pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t
 #else
         :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
 #endif
-        :"S"((long)src1Stride), "D"((long)dstStride)
+        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
         :"memory");
 }
 
@@ -153,7 +153,7 @@ static void DEF(put, pixels16_x2)(uint8_t *block, const uint8_t *pixels, int lin
         "subl   $4, %0                  \n\t"
         "jnz    1b                      \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r"((long)line_size)
+        :"r"((x86_reg)line_size)
         :REG_a, "memory");
 }
 
@@ -202,7 +202,7 @@ static void av_unused DEF(put, pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t
 #else
         :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
 #endif
-        :"S"((long)src1Stride), "D"((long)dstStride)
+        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
         :"memory");
 }
 
@@ -231,7 +231,7 @@ static void DEF(put, pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line
         "subl   $4, %0                  \n\t"
         "jnz    1b                      \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r"((long)line_size)
+        :"r"((x86_reg)line_size)
         :REG_a, "memory");
 }
 
@@ -297,7 +297,7 @@ static void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int lin
         "subl   $2, %0                  \n\t"
         "jnz    1b                      \n\t"
         :"+g"(h), "+S"(pixels)
-        :"D"(block), "r"((long)line_size)
+        :"D"(block), "r"((x86_reg)line_size)
         :REG_a, "memory");
 }
 
@@ -493,7 +493,7 @@ static void DEF(avg, pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line
         "subl   $4, %0                  \n\t"
         "jnz    1b                      \n\t"
         :"+g"(h), "+S"(pixels), "+D"(block)
-        :"r"((long)line_size)
+        :"r"((x86_reg)line_size)
         :REG_a, "memory");
 }
 
@@ -568,7 +568,7 @@ static void DEF(avg, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int lin
         "subl   $2, %0                  \n\t"
         "jnz    1b                      \n\t"
         :"+g"(h), "+S"(pixels)
-        :"D"(block), "r"((long)line_size)
+        :"D"(block), "r"((x86_reg)line_size)
         :REG_a, "memory");
 }
 
diff --git a/libavcodec/i386/dsputilenc_mmx.c b/libavcodec/i386/dsputilenc_mmx.c
index c9fb670458..733234a1f1 100644
--- a/libavcodec/i386/dsputilenc_mmx.c
+++ b/libavcodec/i386/dsputilenc_mmx.c
@@ -51,7 +51,7 @@ static void get_pixels_mmx(DCTELEM *block, const uint8_t *pixels, int line_size)
         "add $32, %%"REG_a"             \n\t"
         "js 1b                          \n\t"
         : "+r" (pixels)
-        : "r" (block+64), "r" ((long)line_size), "r" ((long)line_size*2)
+        : "r" (block+64), "r" ((x86_reg)line_size), "r" ((x86_reg)line_size*2)
         : "%"REG_a
     );
 }
@@ -80,7 +80,7 @@ static inline void diff_pixels_mmx(DCTELEM *block, const uint8_t *s1, const uint
         "add $16, %%"REG_a"             \n\t"
         "jnz 1b                         \n\t"
         : "+r" (s1), "+r" (s2)
-        : "r" (block+64), "r" ((long)stride)
+        : "r" (block+64), "r" ((x86_reg)stride)
         : "%"REG_a
     );
 }
@@ -88,7 +88,7 @@ static inline void diff_pixels_mmx(DCTELEM *block, const uint8_t *s1, const uint
 static int pix_sum16_mmx(uint8_t * pix, int line_size){
     const int h=16;
     int sum;
-    long index= -line_size*h;
+    x86_reg index= -line_size*h;
 
     asm volatile(
                 "pxor %%mm7, %%mm7              \n\t"
@@ -117,7 +117,7 @@ static int pix_sum16_mmx(uint8_t * pix, int line_size){
                 "movd %%mm6, %0                 \n\t"
                 "andl $0xFFFF, %0               \n\t"
                 : "=&r" (sum), "+r" (index)
-                : "r" (pix - index), "r" ((long)line_size)
+                : "r" (pix - index), "r" ((x86_reg)line_size)
         );
 
         return sum;
@@ -162,7 +162,7 @@ static int pix_norm1_mmx(uint8_t *pix, int line_size) {
       "psrlq $32, %%mm7\n"      /* shift hi dword to lo */
       "paddd %%mm7,%%mm1\n"
       "movd %%mm1,%1\n"
-      : "+r" (pix), "=r"(tmp) : "r" ((long)line_size) : "%ecx" );
+      : "+r" (pix), "=r"(tmp) : "r" ((x86_reg)line_size) : "%ecx" );
     return tmp;
 }
 
@@ -222,7 +222,7 @@ static int sse8_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int
       "paddd %%mm7,%%mm1\n"
       "movd %%mm1,%2\n"
       : "+r" (pix1), "+r" (pix2), "=r"(tmp)
-      : "r" ((long)line_size) , "m" (h)
+      : "r" ((x86_reg)line_size) , "m" (h)
       : "%ecx");
     return tmp;
 }
@@ -282,7 +282,7 @@ static int sse16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int
       "paddd %%mm7,%%mm1\n"
       "movd %%mm1,%2\n"
       : "+r" (pix1), "+r" (pix2), "=r"(tmp)
-      : "r" ((long)line_size) , "m" (h)
+      : "r" ((x86_reg)line_size) , "m" (h)
       : "%ecx");
     return tmp;
 }
@@ -345,7 +345,7 @@ static int sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, in
       "paddd %%xmm1,%%xmm7\n"
       "movd %%xmm7,%3\n"
       : "+r" (pix1), "+r" (pix2), "+r"(h), "=r"(tmp)
-      : "r" ((long)line_size));
+      : "r" ((x86_reg)line_size));
     return tmp;
 }
 
@@ -469,7 +469,7 @@ static int hf_noise8_mmx(uint8_t * pix1, int line_size, int h) {
       "paddd %%mm6,%%mm0\n"
       "movd %%mm0,%1\n"
       : "+r" (pix1), "=r"(tmp)
-      : "r" ((long)line_size) , "g" (h-2)
+      : "r" ((x86_reg)line_size) , "g" (h-2)
       : "%ecx");
       return tmp;
 }
@@ -583,7 +583,7 @@ static int hf_noise16_mmx(uint8_t * pix1, int line_size, int h) {
       "paddd %%mm6,%%mm0\n"
       "movd %%mm0,%1\n"
       : "+r" (pix1), "=r"(tmp)
-      : "r" ((long)line_size) , "g" (h-2)
+      : "r" ((x86_reg)line_size) , "g" (h-2)
       : "%ecx");
       return tmp + hf_noise8_mmx(pix+8, line_size, h);
 }
@@ -665,7 +665,7 @@ static int vsad_intra16_mmx(void *v, uint8_t * pix, uint8_t * dummy, int line_si
       "paddw %%mm6,%%mm0\n"
       "movd %%mm0,%1\n"
       : "+r" (pix), "=r"(tmp)
-      : "r" ((long)line_size) , "m" (h)
+      : "r" ((x86_reg)line_size) , "m" (h)
       : "%ecx");
     return tmp & 0xFFFF;
 }
@@ -706,7 +706,7 @@ static int vsad_intra16_mmx2(void *v, uint8_t * pix, uint8_t * dummy, int line_s
 
       "movd %%mm6,%1\n"
       : "+r" (pix), "=r"(tmp)
-      : "r" ((long)line_size) , "m" (h)
+      : "r" ((x86_reg)line_size) , "m" (h)
       : "%ecx");
     return tmp;
 }
@@ -785,7 +785,7 @@ static int vsad16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, in
       "paddw %%mm6,%%mm0\n"
       "movd %%mm0,%2\n"
       : "+r" (pix1), "+r" (pix2), "=r"(tmp)
-      : "r" ((long)line_size) , "m" (h)
+      : "r" ((x86_reg)line_size) , "m" (h)
       : "%ecx");
     return tmp & 0x7FFF;
 }
@@ -843,14 +843,14 @@ static int vsad16_mmx2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, i
 
       "movd %%mm6,%2\n"
       : "+r" (pix1), "+r" (pix2), "=r"(tmp)
-      : "r" ((long)line_size) , "m" (h)
+      : "r" ((x86_reg)line_size) , "m" (h)
       : "%ecx");
     return tmp;
 }
 #undef SUM
 
 static void diff_bytes_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
-    long i=0;
+    x86_reg i=0;
     asm volatile(
         "1:                             \n\t"
         "movq  (%2, %0), %%mm0          \n\t"
@@ -865,14 +865,14 @@ static void diff_bytes_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
         "cmp %4, %0                     \n\t"
         " jb 1b                         \n\t"
         : "+r" (i)
-        : "r"(src1), "r"(src2), "r"(dst), "r"((long)w-15)
+        : "r"(src1), "r"(src2), "r"(dst), "r"((x86_reg)w-15)
     );
     for(; i<w; i++)
         dst[i+0] = src1[i+0]-src2[i+0];
 }
 
 static void sub_hfyu_median_prediction_mmx2(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top){
-    long i=0;
+    x86_reg i=0;
     uint8_t l, lt;
 
     asm volatile(
@@ -895,7 +895,7 @@ static void sub_hfyu_median_prediction_mmx2(uint8_t *dst, uint8_t *src1, uint8_t
         "cmp %4, %0                     \n\t"
         " jb 1b                         \n\t"
         : "+r" (i)
-        : "r"(src1), "r"(src2), "r"(dst), "r"((long)w)
+        : "r"(src1), "r"(src2), "r"(dst), "r"((x86_reg)w)
     );
 
     l= *left;
@@ -930,7 +930,7 @@ static void sub_hfyu_median_prediction_mmx2(uint8_t *dst, uint8_t *src1, uint8_t
         DIFF_PIXELS_1(m0, mm##7, mm##0, (%1,%3,4), (%2,%3,4))\
         "mov"#m1" %0, "#mm"0          \n\t"\
         : "+m"(temp), "+r"(p1b), "+r"(p2b)\
-        : "r"((long)stride), "r"((long)stride*3)\
+        : "r"((x86_reg)stride), "r"((x86_reg)stride*3)\
     );\
 }
     //the "+m"(temp) is needed as gcc 2.95 sometimes fails to compile "=m"(temp)
@@ -1237,7 +1237,7 @@ DCT_SAD_FUNC(ssse3)
 
 static int ssd_int8_vs_int16_mmx(const int8_t *pix1, const int16_t *pix2, int size){
     int sum;
-    long i=size;
+    x86_reg i=size;
     asm volatile(
         "pxor %%mm4, %%mm4 \n"
         "1: \n"
diff --git a/libavcodec/i386/fft_3dn.c b/libavcodec/i386/fft_3dn.c
index 4231d855af..700a1e4bae 100644
--- a/libavcodec/i386/fft_3dn.c
+++ b/libavcodec/i386/fft_3dn.c
@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include "dsputil.h"
+#include "x86_cpu.h"
 
 static const int p1m1[2] __attribute__((aligned(8))) =
     { 0, 1 << 31 };
@@ -30,7 +31,8 @@ static const int m1p1[2] __attribute__((aligned(8))) =
 void ff_fft_calc_3dn(FFTContext *s, FFTComplex *z)
 {
     int ln = s->nbits;
-    long i, j;
+    long j;
+    x86_reg i;
     long nblocks, nloops;
     FFTComplex *p, *cptr;
 
diff --git a/libavcodec/i386/fft_3dn2.c b/libavcodec/i386/fft_3dn2.c
index 6d063321d7..c5337b8c2a 100644
--- a/libavcodec/i386/fft_3dn2.c
+++ b/libavcodec/i386/fft_3dn2.c
@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include "dsputil.h"
+#include "x86_cpu.h"
 
 static const int p1m1[2] __attribute__((aligned(8))) =
     { 0, 1 << 31 };
@@ -30,7 +31,8 @@ static const int m1p1[2] __attribute__((aligned(8))) =
 void ff_fft_calc_3dn2(FFTContext *s, FFTComplex *z)
 {
     int ln = s->nbits;
-    long i, j;
+    long j;
+    x86_reg i;
     long nblocks, nloops;
     FFTComplex *p, *cptr;
 
@@ -124,7 +126,8 @@ void ff_fft_calc_3dn2(FFTContext *s, FFTComplex *z)
 void ff_imdct_calc_3dn2(MDCTContext *s, FFTSample *output,
                         const FFTSample *input, FFTSample *tmp)
 {
-    long k, n8, n4, n2, n;
+    long n8, n4, n2, n;
+    x86_reg k;
     const uint16_t *revtab = s->fft.revtab;
     const FFTSample *tcos = s->tcos;
     const FFTSample *tsin = s->tsin;
diff --git a/libavcodec/i386/fft_sse.c b/libavcodec/i386/fft_sse.c
index 39e64c7008..3a0f2d7427 100644
--- a/libavcodec/i386/fft_sse.c
+++ b/libavcodec/i386/fft_sse.c
@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include "dsputil.h"
+#include "x86_cpu.h"
 
 static const int p1p1p1m1[4] __attribute__((aligned(16))) =
     { 0, 0, 0, 1 << 31 };
@@ -48,7 +49,8 @@ static void print_v4sf(const char *str, __m128 a)
 void ff_fft_calc_sse(FFTContext *s, FFTComplex *z)
 {
     int ln = s->nbits;
-    long i, j;
+    x86_reg i;
+    long j;
     long nblocks, nloops;
     FFTComplex *p, *cptr;
 
@@ -142,7 +144,8 @@ void ff_fft_calc_sse(FFTContext *s, FFTComplex *z)
 void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output,
                        const FFTSample *input, FFTSample *tmp)
 {
-    long k, n8, n4, n2, n;
+    x86_reg k;
+    long n8, n4, n2, n;
     const uint16_t *revtab = s->fft.revtab;
     const FFTSample *tcos = s->tcos;
     const FFTSample *tsin = s->tsin;
diff --git a/libavcodec/i386/flacdsp_mmx.c b/libavcodec/i386/flacdsp_mmx.c
index e799ce421d..2096e3305b 100644
--- a/libavcodec/i386/flacdsp_mmx.c
+++ b/libavcodec/i386/flacdsp_mmx.c
@@ -20,13 +20,14 @@
  */
 
 #include "dsputil_mmx.h"
+#include "x86_cpu.h"
 
 static void apply_welch_window_sse2(const int32_t *data, int len, double *w_data)
 {
     double c = 2.0 / (len-1.0);
     int n2 = len>>1;
-    long i = -n2*sizeof(int32_t);
-    long j =  n2*sizeof(int32_t);
+    x86_reg i = -n2*sizeof(int32_t);
+    x86_reg j =  n2*sizeof(int32_t);
     asm volatile(
         "movsd   %0,     %%xmm7 \n\t"
         "movapd  %1,     %%xmm6 \n\t"
@@ -71,7 +72,7 @@ void ff_flac_compute_autocorr_sse2(const int32_t *data, int len, int lag,
     double *data1 = tmp + lag;
     int j;
 
-    if((long)data1 & 15)
+    if((x86_reg)data1 & 15)
         data1++;
 
     apply_welch_window_sse2(data, len, data1);
@@ -81,7 +82,7 @@ void ff_flac_compute_autocorr_sse2(const int32_t *data, int len, int lag,
     data1[len] = 0.0;
 
     for(j=0; j<lag; j+=2){
-        long i = -len*sizeof(double);
+        x86_reg i = -len*sizeof(double);
         if(j == lag-2) {
             asm volatile(
                 "movsd     %6,     %%xmm0 \n\t"
diff --git a/libavcodec/i386/h264_i386.h b/libavcodec/i386/h264_i386.h
index 13ea7f15ca..b2dc5e8ee1 100644
--- a/libavcodec/i386/h264_i386.h
+++ b/libavcodec/i386/h264_i386.h
@@ -96,7 +96,7 @@ static int decode_significance_8x8_x86(CABACContext *c,
                                        int *index, const uint8_t *sig_off){
     int minusindex= 4-(int)index;
     int coeff_count;
-    long last=0;
+    x86_reg last=0;
     asm volatile(
         "movl "RANGE    "(%3), %%esi            \n\t"
         "movl "LOW      "(%3), %%ebx            \n\t"
diff --git a/libavcodec/i386/h264dsp_mmx.c b/libavcodec/i386/h264dsp_mmx.c
index 536767dc67..7207fd505c 100644
--- a/libavcodec/i386/h264dsp_mmx.c
+++ b/libavcodec/i386/h264dsp_mmx.c
@@ -86,7 +86,7 @@ static void ff_h264_idct_add_mmx(uint8_t *dst, int16_t *block, int stride)
         "add %1, %0             \n\t"
     STORE_DIFF_4P( %%mm4, %%mm1, %%mm7)
         : "+r"(dst)
-        : "r" ((long)stride)
+        : "r" ((x86_reg)stride)
     );
 }
 
@@ -294,7 +294,7 @@ static void ff_h264_idct8_add_sse2(uint8_t *dst, int16_t *block, int stride)
         STORE_DIFF_8P(%%xmm0, (%0,%2,2), %%xmm6, %%xmm7)
         STORE_DIFF_8P(%%xmm1, (%0,%3),   %%xmm6, %%xmm7)
         :"+r"(dst)
-        :"r"(block), "r"((long)stride), "r"(3L*stride), "m"(ff_pw_32)
+        :"r"(block), "r"((x86_reg)stride), "r"((x86_reg)3L*stride), "m"(ff_pw_32)
     );
 }
 
@@ -503,7 +503,7 @@ static inline void h264_loop_filter_luma_mmx2(uint8_t *pix, int stride, int alph
         "movq      %%mm2, (%2)      \n\t"
 
         : "=m"(*tmp0)
-        : "r"(pix-3*stride), "r"(pix), "r"((long)stride),
+        : "r"(pix-3*stride), "r"(pix), "r"((x86_reg)stride),
           "m"(*tmp0/*unused*/), "m"(*(uint32_t*)tc0), "m"(alpha1), "m"(beta1),
           "m"(ff_bone)
     );
@@ -550,7 +550,7 @@ static inline void h264_loop_filter_chroma_mmx2(uint8_t *pix, int stride, int al
         "movq      %%mm1, (%0,%2)   \n\t"
         "movq      %%mm2, (%1)      \n\t"
 
-        :: "r"(pix-2*stride), "r"(pix), "r"((long)stride),
+        :: "r"(pix-2*stride), "r"(pix), "r"((x86_reg)stride),
            "r"(*(uint32_t*)tc0),
            "m"(alpha1), "m"(beta1), "m"(ff_bone), "m"(ff_pb_3F)
     );
@@ -601,7 +601,7 @@ static inline void h264_loop_filter_chroma_intra_mmx2(uint8_t *pix, int stride,
         "paddb   %%mm6,   %%mm2     \n\t"
         "movq    %%mm1,   (%0,%2)   \n\t"
         "movq    %%mm2,   (%1)      \n\t"
-        :: "r"(pix-2*stride), "r"(pix), "r"((long)stride),
+        :: "r"(pix-2*stride), "r"(pix), "r"((x86_reg)stride),
            "m"(alpha1), "m"(beta1), "m"(ff_bone)
     );
 }
@@ -797,7 +797,7 @@ static av_noinline void OPNAME ## h264_qpel4_h_lowpass_ ## MMX(uint8_t *dst, uin
         "decl %2                    \n\t"\
         " jnz 1b                    \n\t"\
         : "+a"(src), "+c"(dst), "+g"(h)\
-        : "d"((long)srcStride), "S"((long)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
+        : "d"((x86_reg)srcStride), "S"((x86_reg)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
         : "memory"\
     );\
 }\
@@ -840,7 +840,7 @@ static av_noinline void OPNAME ## h264_qpel4_h_lowpass_l2_ ## MMX(uint8_t *dst,
         "add %4, %1                 \n\t"\
         "add %3, %2                 \n\t"\
         : "+a"(src), "+c"(dst), "+d"(src2)\
-        : "D"((long)src2Stride), "S"((long)dstStride)\
+        : "D"((x86_reg)src2Stride), "S"((x86_reg)dstStride)\
         : "memory"\
     );\
     }while(--h);\
@@ -870,7 +870,7 @@ static av_noinline void OPNAME ## h264_qpel4_v_lowpass_ ## MMX(uint8_t *dst, uin
         QPEL_H264V(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP)\
          \
         : "+a"(src), "+c"(dst)\
-        : "S"((long)srcStride), "D"((long)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
+        : "S"((x86_reg)srcStride), "D"((x86_reg)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
         : "memory"\
     );\
 }\
@@ -902,7 +902,7 @@ static av_noinline void OPNAME ## h264_qpel4_hv_lowpass_ ## MMX(uint8_t *dst, in
             QPEL_H264HV(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, 3*8*3)\
              \
             : "+a"(src)\
-            : "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)\
+            : "c"(tmp), "S"((x86_reg)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)\
             : "memory"\
         );\
         tmp += 4;\
@@ -931,7 +931,7 @@ static av_noinline void OPNAME ## h264_qpel4_hv_lowpass_ ## MMX(uint8_t *dst, in
         "decl %2                    \n\t"\
         " jnz 1b                    \n\t"\
         : "+a"(tmp), "+c"(dst), "+g"(h)\
-        : "S"((long)dstStride)\
+        : "S"((x86_reg)dstStride)\
         : "memory"\
     );\
 }\
@@ -988,7 +988,7 @@ static av_noinline void OPNAME ## h264_qpel8_h_lowpass_ ## MMX(uint8_t *dst, uin
         "decl %2                    \n\t"\
         " jnz 1b                    \n\t"\
         : "+a"(src), "+c"(dst), "+g"(h)\
-        : "d"((long)srcStride), "S"((long)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
+        : "d"((x86_reg)srcStride), "S"((x86_reg)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
         : "memory"\
     );\
 }\
@@ -1049,7 +1049,7 @@ static av_noinline void OPNAME ## h264_qpel8_h_lowpass_l2_ ## MMX(uint8_t *dst,
         "add %4, %1                 \n\t"\
         "add %3, %2                 \n\t"\
         : "+a"(src), "+c"(dst), "+d"(src2)\
-        : "D"((long)src2Stride), "S"((long)dstStride),\
+        : "D"((x86_reg)src2Stride), "S"((x86_reg)dstStride),\
           "m"(ff_pw_16)\
         : "memory"\
     );\
@@ -1088,7 +1088,7 @@ static av_noinline void OPNAME ## h264_qpel8or16_v_lowpass_ ## MMX(uint8_t *dst,
         QPEL_H264V(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP)\
          \
         : "+a"(src), "+c"(dst)\
-        : "S"((long)srcStride), "D"((long)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
+        : "S"((x86_reg)srcStride), "D"((x86_reg)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
         : "memory"\
      );\
      if(h==16){\
@@ -1103,7 +1103,7 @@ static av_noinline void OPNAME ## h264_qpel8or16_v_lowpass_ ## MMX(uint8_t *dst,
             QPEL_H264V(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP)\
             \
            : "+a"(src), "+c"(dst)\
-           : "S"((long)srcStride), "D"((long)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
+           : "S"((x86_reg)srcStride), "D"((x86_reg)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
            : "memory"\
         );\
      }\
@@ -1141,7 +1141,7 @@ static av_always_inline void OPNAME ## h264_qpel8or16_hv1_lowpass_ ## MMX(int16_
             QPEL_H264HV(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, 6*48)\
             QPEL_H264HV(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, 7*48)\
             : "+a"(src)\
-            : "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)\
+            : "c"(tmp), "S"((x86_reg)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)\
             : "memory"\
         );\
         if(size==16){\
@@ -1155,7 +1155,7 @@ static av_always_inline void OPNAME ## h264_qpel8or16_hv1_lowpass_ ## MMX(int16_
                 QPEL_H264HV(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, 14*48)\
                 QPEL_H264HV(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, 15*48)\
                 : "+a"(src)\
-                : "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)\
+                : "c"(tmp), "S"((x86_reg)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)\
                 : "memory"\
             );\
         }\
@@ -1202,7 +1202,7 @@ static av_always_inline void OPNAME ## h264_qpel8or16_hv2_lowpass_ ## MMX(uint8_
         "decl %2                    \n\t"\
         " jnz 1b                    \n\t"\
         : "+a"(tmp), "+c"(dst), "+g"(h)\
-        : "S"((long)dstStride)\
+        : "S"((x86_reg)dstStride)\
         : "memory"\
     );\
     tmp += 8 - size*24;\
@@ -1275,7 +1275,7 @@ static av_noinline void OPNAME ## pixels4_l2_shift5_ ## MMX(uint8_t *dst, int16_
         OP(%%mm0, (%2),    %%mm4, d)\
         OP(%%mm1, (%2,%4), %%mm5, d)\
         :"+a"(src8), "+c"(src16), "+d"(dst)\
-        :"S"((long)src8Stride), "D"((long)dstStride)\
+        :"S"((x86_reg)src8Stride), "D"((x86_reg)dstStride)\
         :"memory");\
 }\
 static av_noinline void OPNAME ## pixels8_l2_shift5_ ## MMX(uint8_t *dst, int16_t *src16, uint8_t *src8, int dstStride, int src8Stride, int h)\
@@ -1297,7 +1297,7 @@ static av_noinline void OPNAME ## pixels8_l2_shift5_ ## MMX(uint8_t *dst, int16_
         OP(%%mm0, (%2), %%mm5, q)\
         OP(%%mm2, (%2,%4), %%mm5, q)\
         ::"a"(src8), "c"(src16), "d"(dst),\
-          "r"((long)src8Stride), "r"((long)dstStride)\
+          "r"((x86_reg)src8Stride), "r"((x86_reg)dstStride)\
         :"memory");\
         src8 += 2L*src8Stride;\
         src16 += 48;\
@@ -1372,7 +1372,7 @@ static av_noinline void OPNAME ## h264_qpel16_h_lowpass_l2_ ## MMX(uint8_t *dst,
         "decl %3                    \n\t"\
         "jg 1b                      \n\t"\
         : "+a"(src), "+c"(dst), "+d"(src2), "+g"(h)\
-        : "D"((long)src2Stride), "S"((long)dstStride),\
+        : "D"((x86_reg)src2Stride), "S"((x86_reg)dstStride),\
           "m"(ff_pw_5), "m"(ff_pw_16)\
         : "memory"\
     );\
@@ -1430,7 +1430,7 @@ static av_noinline void OPNAME ## h264_qpel8_h_lowpass_l2_ ## MMX(uint8_t *dst,
         "add %4, %1                 \n\t"\
         "add %3, %2                 \n\t"\
         : "+a"(src), "+c"(dst), "+d"(src2)\
-        : "D"((long)src2Stride), "S"((long)dstStride),\
+        : "D"((x86_reg)src2Stride), "S"((x86_reg)dstStride),\
           "m"(ff_pw_16)\
         : "memory"\
     );\
@@ -1473,7 +1473,7 @@ static av_noinline void OPNAME ## h264_qpel8_h_lowpass_ ## MMX(uint8_t *dst, uin
         "decl %2                    \n\t"\
         " jnz 1b                    \n\t"\
         : "+a"(src), "+c"(dst), "+g"(h)\
-        : "D"((long)srcStride), "S"((long)dstStride),\
+        : "D"((x86_reg)srcStride), "S"((x86_reg)dstStride),\
           "m"(ff_pw_5), "m"(ff_pw_16)\
         : "memory"\
     );\
@@ -1518,7 +1518,7 @@ static av_noinline void OPNAME ## h264_qpel8or16_v_lowpass_ ## MMX(uint8_t *dst,
         QPEL_H264V_XMM(%%xmm1, %%xmm2, %%xmm3, %%xmm4, %%xmm5, %%xmm0, OP)\
          \
         : "+a"(src), "+c"(dst)\
-        : "S"((long)srcStride), "D"((long)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
+        : "S"((x86_reg)srcStride), "D"((x86_reg)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
         : "memory"\
     );\
     if(h==16){\
@@ -1533,7 +1533,7 @@ static av_noinline void OPNAME ## h264_qpel8or16_v_lowpass_ ## MMX(uint8_t *dst,
             QPEL_H264V_XMM(%%xmm3, %%xmm4, %%xmm5, %%xmm0, %%xmm1, %%xmm2, OP)\
             \
             : "+a"(src), "+c"(dst)\
-            : "S"((long)srcStride), "D"((long)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
+            : "S"((x86_reg)srcStride), "D"((x86_reg)dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
             : "memory"\
         );\
     }\
@@ -1576,7 +1576,7 @@ static av_always_inline void put_h264_qpel8or16_hv1_lowpass_sse2(int16_t *tmp, u
             QPEL_H264HV_XMM(%%xmm0, %%xmm1, %%xmm2, %%xmm3, %%xmm4, %%xmm5, 6*48)
             QPEL_H264HV_XMM(%%xmm1, %%xmm2, %%xmm3, %%xmm4, %%xmm5, %%xmm0, 7*48)
             : "+a"(src)
-            : "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)
+            : "c"(tmp), "S"((x86_reg)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)
             : "memory"
         );
         if(size==16){
@@ -1590,7 +1590,7 @@ static av_always_inline void put_h264_qpel8or16_hv1_lowpass_sse2(int16_t *tmp, u
                 QPEL_H264HV_XMM(%%xmm2, %%xmm3, %%xmm4, %%xmm5, %%xmm0, %%xmm1, 14*48)
                 QPEL_H264HV_XMM(%%xmm3, %%xmm4, %%xmm5, %%xmm0, %%xmm1, %%xmm2, 15*48)
                 : "+a"(src)
-                : "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)
+                : "c"(tmp), "S"((x86_reg)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)
                 : "memory"
             );
         }
@@ -1654,7 +1654,7 @@ static av_always_inline void OPNAME ## h264_qpel8or16_hv2_lowpass_ ## MMX(uint8_
             "decl %2                    \n\t"\
             " jnz 1b                    \n\t"\
             : "+a"(tmp), "+c"(dst), "+g"(h)\
-            : "S"((long)dstStride)\
+            : "S"((x86_reg)dstStride)\
             : "memory"\
         );\
     }else{\
@@ -1688,7 +1688,7 @@ static av_always_inline void OPNAME ## h264_qpel8or16_hv2_lowpass_ ## MMX(uint8_
             "decl %2                    \n\t"\
             " jnz 1b                    \n\t"\
             : "+a"(tmp), "+c"(dst), "+g"(h)\
-            : "S"((long)dstStride)\
+            : "S"((x86_reg)dstStride)\
             : "memory"\
         );\
     }\
diff --git a/libavcodec/i386/motion_est_mmx.c b/libavcodec/i386/motion_est_mmx.c
index 888d891d94..df75b6e153 100644
--- a/libavcodec/i386/motion_est_mmx.c
+++ b/libavcodec/i386/motion_est_mmx.c
@@ -34,7 +34,7 @@ DECLARE_ASM_CONST(8, uint64_t, bone)= 0x0101010101010101LL;
 
 static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
 {
-    long len= -(stride*h);
+    x86_reg len= -(stride*h);
     asm volatile(
         ASMALIGN(4)
         "1:                             \n\t"
@@ -64,7 +64,7 @@ static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
         "add %3, %%"REG_a"              \n\t"
         " js 1b                         \n\t"
         : "+a" (len)
-        : "r" (blk1 - len), "r" (blk2 - len), "r" ((long)stride)
+        : "r" (blk1 - len), "r" (blk2 - len), "r" ((x86_reg)stride)
     );
 }
 
@@ -84,7 +84,7 @@ static inline void sad8_1_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
         "sub $2, %0                     \n\t"
         " jg 1b                         \n\t"
         : "+r" (h), "+r" (blk1), "+r" (blk2)
-        : "r" ((long)stride)
+        : "r" ((x86_reg)stride)
     );
 }
 
@@ -106,7 +106,7 @@ static int sad16_sse2(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)
         "sub $2, %0                     \n\t"
         " jg 1b                         \n\t"
         : "+r" (h), "+r" (blk1), "+r" (blk2)
-        : "r" ((long)stride)
+        : "r" ((x86_reg)stride)
     );
     asm volatile(
         "movhlps %%xmm6, %%xmm0         \n\t"
@@ -135,7 +135,7 @@ static inline void sad8_x2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h
         "sub $2, %0                     \n\t"
         " jg 1b                         \n\t"
         : "+r" (h), "+r" (blk1), "+r" (blk2)
-        : "r" ((long)stride)
+        : "r" ((x86_reg)stride)
     );
 }
 
@@ -160,7 +160,7 @@ static inline void sad8_y2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h
         "sub $2, %0                     \n\t"
         " jg 1b                         \n\t"
         : "+r" (h), "+r" (blk1), "+r" (blk2)
-        : "r" ((long)stride)
+        : "r" ((x86_reg)stride)
     );
 }
 
@@ -190,13 +190,13 @@ static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
         "sub $2, %0                     \n\t"
         " jg 1b                         \n\t"
         : "+r" (h), "+r" (blk1), "+r" (blk2)
-        : "r" ((long)stride)
+        : "r" ((x86_reg)stride)
     );
 }
 
 static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h)
 {
-    long len= -(stride*h);
+    x86_reg len= -(stride*h);
     asm volatile(
         ASMALIGN(4)
         "1:                             \n\t"
@@ -228,13 +228,13 @@ static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int
         "add %4, %%"REG_a"              \n\t"
         " js 1b                         \n\t"
         : "+a" (len)
-        : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((long)stride)
+        : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((x86_reg)stride)
     );
 }
 
 static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
 {
-    long len= -(stride*h);
+    x86_reg len= -(stride*h);
     asm volatile(
         "movq (%1, %%"REG_a"), %%mm0    \n\t"
         "movq 1(%1, %%"REG_a"), %%mm2   \n\t"
@@ -281,7 +281,7 @@ static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
         "add %4, %%"REG_a"              \n\t"
         " js 1b                         \n\t"
         : "+a" (len)
-        : "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" ((long)stride)
+        : "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" ((x86_reg)stride)
     );
 }
 
diff --git a/libavcodec/i386/mpegvideo_mmx.c b/libavcodec/i386/mpegvideo_mmx.c
index 0823fddebc..4b2e4d68af 100644
--- a/libavcodec/i386/mpegvideo_mmx.c
+++ b/libavcodec/i386/mpegvideo_mmx.c
@@ -34,7 +34,7 @@ extern uint16_t inv_zigzag_direct16[64];
 static void dct_unquantize_h263_intra_mmx(MpegEncContext *s,
                                   DCTELEM *block, int n, int qscale)
 {
-    long level, qmul, qadd, nCoeffs;
+    x86_reg level, qmul, qadd, nCoeffs;
 
     qmul = qscale << 1;
 
@@ -109,7 +109,7 @@ asm volatile(
 static void dct_unquantize_h263_inter_mmx(MpegEncContext *s,
                                   DCTELEM *block, int n, int qscale)
 {
-    long qmul, qadd, nCoeffs;
+    x86_reg qmul, qadd, nCoeffs;
 
     qmul = qscale << 1;
     qadd = (qscale - 1) | 1;
@@ -200,7 +200,7 @@ asm volatile(
 static void dct_unquantize_mpeg1_intra_mmx(MpegEncContext *s,
                                      DCTELEM *block, int n, int qscale)
 {
-    long nCoeffs;
+    x86_reg nCoeffs;
     const uint16_t *quant_matrix;
     int block0;
 
@@ -269,7 +269,7 @@ asm volatile(
 static void dct_unquantize_mpeg1_inter_mmx(MpegEncContext *s,
                                      DCTELEM *block, int n, int qscale)
 {
-    long nCoeffs;
+    x86_reg nCoeffs;
     const uint16_t *quant_matrix;
 
     assert(s->block_last_index[n]>=0);
@@ -335,7 +335,7 @@ asm volatile(
 static void dct_unquantize_mpeg2_intra_mmx(MpegEncContext *s,
                                      DCTELEM *block, int n, int qscale)
 {
-    long nCoeffs;
+    x86_reg nCoeffs;
     const uint16_t *quant_matrix;
     int block0;
 
@@ -401,7 +401,7 @@ asm volatile(
 static void dct_unquantize_mpeg2_inter_mmx(MpegEncContext *s,
                                      DCTELEM *block, int n, int qscale)
 {
-    long nCoeffs;
+    x86_reg nCoeffs;
     const uint16_t *quant_matrix;
 
     assert(s->block_last_index[n]>=0);
diff --git a/libavcodec/i386/mpegvideo_mmx_template.c b/libavcodec/i386/mpegvideo_mmx_template.c
index 7d8d278c9f..c6b989420a 100644
--- a/libavcodec/i386/mpegvideo_mmx_template.c
+++ b/libavcodec/i386/mpegvideo_mmx_template.c
@@ -95,7 +95,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
                             DCTELEM *block, int n,
                             int qscale, int *overflow)
 {
-    long last_non_zero_p1;
+    x86_reg last_non_zero_p1;
     int level=0, q; //=0 is because gcc says uninitialized ...
     const uint16_t *qmat, *bias;
     DECLARE_ALIGNED_16(int16_t, temp_block[64]);
diff --git a/libavcodec/i386/snowdsp_mmx.c b/libavcodec/i386/snowdsp_mmx.c
index e43f7e9de8..c9671f0c1e 100644
--- a/libavcodec/i386/snowdsp_mmx.c
+++ b/libavcodec/i386/snowdsp_mmx.c
@@ -73,7 +73,7 @@ void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, int width){
         IDWTELEM * const dst = b+w2;
 
         i = 0;
-        for(; (((long)&dst[i]) & 0x1F) && i<w_r; i++){
+        for(; (((x86_reg)&dst[i]) & 0x1F) && i<w_r; i++){
             dst[i] = dst[i] - (b[i] + b[i + 1]);
         }
         for(; i<w_r-15; i+=16){
@@ -146,7 +146,7 @@ void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, int width){
         IDWTELEM * const src = b+w2;
 
         i = 0;
-        for(; (((long)&temp[i]) & 0x1F) && i<w_r; i++){
+        for(; (((x86_reg)&temp[i]) & 0x1F) && i<w_r; i++){
             temp[i] = src[i] - ((-W_AM*(b[i] + b[i+1]))>>W_AS);
         }
         for(; i<w_r-7; i+=8){
@@ -436,7 +436,7 @@ void ff_snow_horizontal_compose97i_mmx(IDWTELEM *b, int width){
         "movdqa %%"s3", %%"t3" \n\t"
 
 void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
-    long i = width;
+    x86_reg i = width;
 
     while(i & 0x1F)
     {
@@ -534,7 +534,7 @@ void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
 
 
 void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
-    long i = width;
+    x86_reg i = width;
     while(i & 15)
     {
         i--;
@@ -605,7 +605,7 @@ void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, I
 
 #define snow_inner_add_yblock_sse2_header \
     IDWTELEM * * dst_array = sb->line + src_y;\
-    long tmp;\
+    x86_reg tmp;\
     asm volatile(\
              "mov  %7, %%"REG_c"             \n\t"\
              "mov  %6, %2                    \n\t"\
@@ -667,7 +667,7 @@ void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, I
              "jnz 1b                         \n\t"\
              :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
              :\
-             "rm"((long)(src_x<<1)),"m"(obmc),"a"(block),"m"((long)b_h),"m"((long)src_stride):\
+             "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"((x86_reg)b_h),"m"((x86_reg)src_stride):\
              "%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d"");
 
 #define snow_inner_add_yblock_sse2_end_8\
@@ -684,8 +684,8 @@ void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, I
              "dec %2                         \n\t"\
              snow_inner_add_yblock_sse2_end_common2
 
-static void inner_add_yblock_bw_8_obmc_16_bh_even_sse2(const uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,
-                      int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){
+static void inner_add_yblock_bw_8_obmc_16_bh_even_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
+                      int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
 snow_inner_add_yblock_sse2_header
 snow_inner_add_yblock_sse2_start_8("xmm1", "xmm5", "3", "0")
 snow_inner_add_yblock_sse2_accum_8("2", "8")
@@ -732,8 +732,8 @@ snow_inner_add_yblock_sse2_accum_8("0", "136")
 snow_inner_add_yblock_sse2_end_8
 }
 
-static void inner_add_yblock_bw_16_obmc_32_sse2(const uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,
-                      int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){
+static void inner_add_yblock_bw_16_obmc_32_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
+                      int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
 snow_inner_add_yblock_sse2_header
 snow_inner_add_yblock_sse2_start_16("xmm1", "xmm5", "3", "0")
 snow_inner_add_yblock_sse2_accum_16("2", "16")
@@ -758,7 +758,7 @@ snow_inner_add_yblock_sse2_end_16
 
 #define snow_inner_add_yblock_mmx_header \
     IDWTELEM * * dst_array = sb->line + src_y;\
-    long tmp;\
+    x86_reg tmp;\
     asm volatile(\
              "mov  %7, %%"REG_c"             \n\t"\
              "mov  %6, %2                    \n\t"\
@@ -815,11 +815,11 @@ snow_inner_add_yblock_sse2_end_16
              "jnz 1b                         \n\t"\
              :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
              :\
-             "rm"((long)(src_x<<1)),"m"(obmc),"a"(block),"m"((long)b_h),"m"((long)src_stride):\
+             "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"((x86_reg)b_h),"m"((x86_reg)src_stride):\
              "%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d"");
 
-static void inner_add_yblock_bw_8_obmc_16_mmx(const uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,
-                      int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){
+static void inner_add_yblock_bw_8_obmc_16_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
+                      int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
 snow_inner_add_yblock_mmx_header
 snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
 snow_inner_add_yblock_mmx_accum("2", "8", "0")
@@ -829,8 +829,8 @@ snow_inner_add_yblock_mmx_mix("0", "0")
 snow_inner_add_yblock_mmx_end("16")
 }
 
-static void inner_add_yblock_bw_16_obmc_32_mmx(const uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,
-                      int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){
+static void inner_add_yblock_bw_16_obmc_32_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
+                      int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
 snow_inner_add_yblock_mmx_header
 snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
 snow_inner_add_yblock_mmx_accum("2", "16", "0")
diff --git a/libavcodec/i386/vc1dsp_mmx.c b/libavcodec/i386/vc1dsp_mmx.c
index 16fabd3e28..0e543e4fde 100644
--- a/libavcodec/i386/vc1dsp_mmx.c
+++ b/libavcodec/i386/vc1dsp_mmx.c
@@ -71,7 +71,7 @@ DECLARE_ALIGNED_16(const uint64_t, ff_pw_9) = 0x0009000900090009ULL;
 
 /** Sacrifying mm6 allows to pipeline loads from src */
 static void vc1_put_ver_16b_shift2_mmx(int16_t *dst,
-                                       const uint8_t *src, long int stride,
+                                       const uint8_t *src, x86_reg stride,
                                        int rnd, int64_t shift)
 {
     asm volatile(
@@ -107,7 +107,7 @@ static void vc1_put_ver_16b_shift2_mmx(int16_t *dst,
  * Data is already unpacked, so some operations can directly be made from
  * memory.
  */
-static void vc1_put_hor_16b_shift2_mmx(uint8_t *dst, long int stride,
+static void vc1_put_hor_16b_shift2_mmx(uint8_t *dst, x86_reg stride,
                                        const int16_t *src, int rnd)
 {
     int h = 8;
@@ -152,7 +152,7 @@ static void vc1_put_hor_16b_shift2_mmx(uint8_t *dst, long int stride,
  * Sacrify mm6 for *9 factor.
  */
 static void vc1_put_shift2_mmx(uint8_t *dst, const uint8_t *src,
-                               long int stride, int rnd, long int offset)
+                               x86_reg stride, int rnd, x86_reg offset)
 {
     rnd = 8-rnd;
     asm volatile(
@@ -259,7 +259,7 @@ DECLARE_ALIGNED_16(const uint64_t, ff_pw_18) = 0x0012001200120012ULL;
 #define MSPEL_FILTER13_VER_16B(NAME, A1, A2, A3, A4)                    \
 static void                                                             \
 vc1_put_ver_16b_ ## NAME ## _mmx(int16_t *dst, const uint8_t *src,      \
-                                 long int src_stride,                   \
+                                 x86_reg src_stride,                   \
                                  int rnd, int64_t shift)                \
 {                                                                       \
     int h = 8;                                                          \
@@ -314,7 +314,7 @@ vc1_put_ver_16b_ ## NAME ## _mmx(int16_t *dst, const uint8_t *src,      \
  */
 #define MSPEL_FILTER13_HOR_16B(NAME, A1, A2, A3, A4)                    \
 static void                                                             \
-vc1_put_hor_16b_ ## NAME ## _mmx(uint8_t *dst, long int stride,         \
+vc1_put_hor_16b_ ## NAME ## _mmx(uint8_t *dst, x86_reg stride,         \
                                  const int16_t *src, int rnd)           \
 {                                                                       \
     int h = 8;                                                          \
@@ -353,7 +353,7 @@ vc1_put_hor_16b_ ## NAME ## _mmx(uint8_t *dst, long int stride,         \
 #define MSPEL_FILTER13_8B(NAME, A1, A2, A3, A4)                         \
 static void                                                             \
 vc1_put_## NAME ## _mmx(uint8_t *dst, const uint8_t *src,               \
-                        long int stride, int rnd, long int offset)      \
+                        x86_reg stride, int rnd, x86_reg offset)      \
 {                                                                       \
     int h = 8;                                                          \
     src -= offset;                                                      \
@@ -387,9 +387,9 @@ MSPEL_FILTER13_8B     (shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%
 MSPEL_FILTER13_VER_16B(shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )")
 MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)")
 
-typedef void (*vc1_mspel_mc_filter_ver_16bits)(int16_t *dst, const uint8_t *src, long int src_stride, int rnd, int64_t shift);
-typedef void (*vc1_mspel_mc_filter_hor_16bits)(uint8_t *dst, long int dst_stride, const int16_t *src, int rnd);
-typedef void (*vc1_mspel_mc_filter_8bits)(uint8_t *dst, const uint8_t *src, long int stride, int rnd, long int offset);
+typedef void (*vc1_mspel_mc_filter_ver_16bits)(int16_t *dst, const uint8_t *src, x86_reg src_stride, int rnd, int64_t shift);
+typedef void (*vc1_mspel_mc_filter_hor_16bits)(uint8_t *dst, x86_reg dst_stride, const int16_t *src, int rnd);
+typedef void (*vc1_mspel_mc_filter_8bits)(uint8_t *dst, const uint8_t *src, x86_reg stride, int rnd, x86_reg offset);
 
 /**
  * Interpolates fractional pel values by applying proper vertical then
diff --git a/libavutil/x86_cpu.h b/libavutil/x86_cpu.h
index 750e061c21..43619ad79d 100644
--- a/libavutil/x86_cpu.h
+++ b/libavutil/x86_cpu.h
@@ -31,6 +31,7 @@
 #    define REG_D "rdi"
 #    define REG_S "rsi"
 #    define PTR_SIZE "8"
+typedef int64_t x86_reg;
 
 #    define REG_SP "rsp"
 #    define REG_BP "rbp"
@@ -50,6 +51,7 @@
 #    define REG_D "edi"
 #    define REG_S "esi"
 #    define PTR_SIZE "4"
+typedef int32_t x86_reg;
 
 #    define REG_SP "esp"
 #    define REG_BP "ebp"