diff --git a/libpostproc/postprocess.c b/libpostproc/postprocess.c
index 2234ba8c76..3c3f68c8ab 100644
--- a/libpostproc/postprocess.c
+++ b/libpostproc/postprocess.c
@@ -80,7 +80,7 @@ try to unroll inner for(x=0 ... loop to avoid these damn if(x ... checks
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-//#undef HAVE_MMX2
+//#undef HAVE_MMXEXT
 //#define HAVE_AMD3DNOW
 //#undef HAVE_MMX
 //#undef ARCH_X86
@@ -546,23 +546,23 @@ static av_always_inline void do_a_deblock_C(uint8_t *src, int step, int stride,
 
 #if ARCH_X86
 
-#if (HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
+#if (HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMXEXT) || CONFIG_RUNTIME_CPUDETECT
 #define COMPILE_MMX
 #endif
 
-#if HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT
+#if HAVE_MMXEXT || CONFIG_RUNTIME_CPUDETECT
 #define COMPILE_MMX2
 #endif
 
-#if (HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
+#if (HAVE_AMD3DNOW && !HAVE_MMXEXT) || CONFIG_RUNTIME_CPUDETECT
 #define COMPILE_3DNOW
 #endif
 #endif /* ARCH_X86 */
 
 #undef HAVE_MMX
 #define HAVE_MMX 0
-#undef HAVE_MMX2
-#define HAVE_MMX2 0
+#undef HAVE_MMXEXT
+#define HAVE_MMXEXT 0
 #undef HAVE_AMD3DNOW
 #define HAVE_AMD3DNOW 0
 #undef HAVE_ALTIVEC
@@ -595,9 +595,9 @@ static av_always_inline void do_a_deblock_C(uint8_t *src, int step, int stride,
 #ifdef COMPILE_MMX2
 #undef RENAME
 #undef HAVE_MMX
-#undef HAVE_MMX2
+#undef HAVE_MMXEXT
 #define HAVE_MMX 1
-#define HAVE_MMX2 1
+#define HAVE_MMXEXT 1
 #define RENAME(a) a ## _MMX2
 #include "postprocess_template.c"
 #endif
@@ -606,10 +606,10 @@ static av_always_inline void do_a_deblock_C(uint8_t *src, int step, int stride,
 #ifdef COMPILE_3DNOW
 #undef RENAME
 #undef HAVE_MMX
-#undef HAVE_MMX2
+#undef HAVE_MMXEXT
 #undef HAVE_AMD3DNOW
 #define HAVE_MMX 1
-#define HAVE_MMX2 0
+#define HAVE_MMXEXT 0
 #define HAVE_AMD3DNOW 1
 #define RENAME(a) a ## _3DNow
 #include "postprocess_template.c"
@@ -652,7 +652,7 @@ static inline void postProcess(const uint8_t src[], int srcStride, uint8_t dst[]
             postProcess_C(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
 #endif
 #else /* CONFIG_RUNTIME_CPUDETECT */
-#if   HAVE_MMX2
+#if   HAVE_MMXEXT
             postProcess_MMX2(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
 #elif HAVE_AMD3DNOW
             postProcess_3DNow(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
diff --git a/libpostproc/postprocess_template.c b/libpostproc/postprocess_template.c
index 0fb2da4215..a6752df95e 100644
--- a/libpostproc/postprocess_template.c
+++ b/libpostproc/postprocess_template.c
@@ -30,14 +30,14 @@
 #undef PMINUB
 #undef PMAXUB
 
-#if   HAVE_MMX2
+#if   HAVE_MMXEXT
 #define REAL_PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
 #elif HAVE_AMD3DNOW
 #define REAL_PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
 #endif
 #define PAVGB(a,b)  REAL_PAVGB(a,b)
 
-#if   HAVE_MMX2
+#if   HAVE_MMXEXT
 #define PMINUB(a,b,t) "pminub " #a ", " #b " \n\t"
 #elif HAVE_MMX
 #define PMINUB(b,a,t) \
@@ -46,7 +46,7 @@
     "psubb " #t ", " #a " \n\t"
 #endif
 
-#if   HAVE_MMX2
+#if   HAVE_MMXEXT
 #define PMAXUB(a,b) "pmaxub " #a ", " #b " \n\t"
 #elif HAVE_MMX
 #define PMAXUB(a,b) \
@@ -135,7 +135,7 @@ static inline int RENAME(vertClassify)(uint8_t src[], int stride, PPContext *c){
         "psubusb %%mm3, %%mm4                   \n\t"
 
         "                                       \n\t"
-#if HAVE_MMX2
+#if HAVE_MMXEXT
         "pxor %%mm7, %%mm7                      \n\t"
         "psadbw %%mm7, %%mm0                    \n\t"
 #else
@@ -178,7 +178,7 @@ static inline int RENAME(vertClassify)(uint8_t src[], int stride, PPContext *c){
 #if !HAVE_ALTIVEC
 static inline void RENAME(doVertLowPass)(uint8_t *src, int stride, PPContext *c)
 {
-#if HAVE_MMX2 || HAVE_AMD3DNOW
+#if HAVE_MMXEXT || HAVE_AMD3DNOW
     src+= stride*3;
     __asm__ volatile(        //"movv %0 %1 %2\n\t"
         "movq %2, %%mm0                         \n\t"  // QP,..., QP
@@ -305,7 +305,7 @@ static inline void RENAME(doVertLowPass)(uint8_t *src, int stride, PPContext *c)
         : "r" (src), "r" ((x86_reg)stride), "m" (c->pQPb)
         : "%"REG_a, "%"REG_c
     );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
+#else //HAVE_MMXEXT || HAVE_AMD3DNOW
     const int l1= stride;
     const int l2= stride + l1;
     const int l3= stride + l2;
@@ -344,7 +344,7 @@ static inline void RENAME(doVertLowPass)(uint8_t *src, int stride, PPContext *c)
 
         src++;
     }
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
+#endif //HAVE_MMXEXT || HAVE_AMD3DNOW
 }
 #endif //HAVE_ALTIVEC
 
@@ -357,7 +357,7 @@ static inline void RENAME(doVertLowPass)(uint8_t *src, int stride, PPContext *c)
  */
 static inline void RENAME(vertX1Filter)(uint8_t *src, int stride, PPContext *co)
 {
-#if HAVE_MMX2 || HAVE_AMD3DNOW
+#if HAVE_MMXEXT || HAVE_AMD3DNOW
     src+= stride*3;
 
     __asm__ volatile(
@@ -443,7 +443,7 @@ static inline void RENAME(vertX1Filter)(uint8_t *src, int stride, PPContext *co)
         : "r" (src), "r" ((x86_reg)stride), "m" (co->pQPb)
         : "%"REG_a, "%"REG_c
     );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
+#else //HAVE_MMXEXT || HAVE_AMD3DNOW
 
     const int l1= stride;
     const int l2= stride + l1;
@@ -477,13 +477,13 @@ static inline void RENAME(vertX1Filter)(uint8_t *src, int stride, PPContext *co)
         }
         src++;
     }
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
+#endif //HAVE_MMXEXT || HAVE_AMD3DNOW
 }
 
 #if !HAVE_ALTIVEC
 static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, PPContext *c)
 {
-#if HAVE_MMX2 || HAVE_AMD3DNOW
+#if HAVE_MMXEXT || HAVE_AMD3DNOW
 /*
     uint8_t tmp[16];
     const int l1= stride;
@@ -872,7 +872,7 @@ static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, PPContext
         "movq (%3), %%mm2                       \n\t" // 2L0 - 5L1 + 5L2 - 2L3
         "movq 8(%3), %%mm3                      \n\t" // 2H0 - 5H1 + 5H2 - 2H3
 
-#if HAVE_MMX2
+#if HAVE_MMXEXT
         "movq %%mm7, %%mm6                      \n\t" // 0
         "psubw %%mm0, %%mm6                     \n\t"
         "pmaxsw %%mm6, %%mm0                    \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
@@ -904,7 +904,7 @@ static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, PPContext
         "psubw %%mm6, %%mm3                     \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
 #endif
 
-#if HAVE_MMX2
+#if HAVE_MMXEXT
         "pminsw %%mm2, %%mm0                    \n\t"
         "pminsw %%mm3, %%mm1                    \n\t"
 #else
@@ -968,7 +968,7 @@ static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, PPContext
         "pand %%mm2, %%mm4                      \n\t"
         "pand %%mm3, %%mm5                      \n\t"
 
-#if HAVE_MMX2
+#if HAVE_MMXEXT
         "pminsw %%mm0, %%mm4                    \n\t"
         "pminsw %%mm1, %%mm5                    \n\t"
 #else
@@ -995,7 +995,7 @@ static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, PPContext
         : "r" ((x86_reg)stride), "m" (c->pQPb), "r"(tmp)
         : "%"REG_a
     );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
+#else //HAVE_MMXEXT || HAVE_AMD3DNOW
     const int l1= stride;
     const int l2= stride + l1;
     const int l3= stride + l2;
@@ -1033,14 +1033,14 @@ static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, PPContext
         }
         src++;
     }
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
+#endif //HAVE_MMXEXT || HAVE_AMD3DNOW
 }
 #endif //HAVE_ALTIVEC
 
 #if !HAVE_ALTIVEC
 static inline void RENAME(dering)(uint8_t src[], int stride, PPContext *c)
 {
-#if HAVE_MMX2 || HAVE_AMD3DNOW
+#if HAVE_MMXEXT || HAVE_AMD3DNOW
     DECLARE_ALIGNED(8, uint64_t, tmp)[3];
     __asm__ volatile(
         "pxor %%mm6, %%mm6                      \n\t"
@@ -1060,7 +1060,7 @@ static inline void RENAME(dering)(uint8_t src[], int stride, PPContext *c)
 
 #undef REAL_FIND_MIN_MAX
 #undef FIND_MIN_MAX
-#if HAVE_MMX2
+#if HAVE_MMXEXT
 #define REAL_FIND_MIN_MAX(addr)\
         "movq " #addr ", %%mm0                  \n\t"\
         "pminub %%mm0, %%mm7                    \n\t"\
@@ -1087,7 +1087,7 @@ FIND_MIN_MAX((%0, %1, 8))
 
         "movq %%mm7, %%mm4                      \n\t"
         "psrlq $8, %%mm7                        \n\t"
-#if HAVE_MMX2
+#if HAVE_MMXEXT
         "pminub %%mm4, %%mm7                    \n\t" // min of pixels
         "pshufw $0xF9, %%mm7, %%mm4             \n\t"
         "pminub %%mm4, %%mm7                    \n\t" // min of pixels
@@ -1112,7 +1112,7 @@ FIND_MIN_MAX((%0, %1, 8))
 
         "movq %%mm6, %%mm4                      \n\t"
         "psrlq $8, %%mm6                        \n\t"
-#if HAVE_MMX2
+#if HAVE_MMXEXT
         "pmaxub %%mm4, %%mm6                    \n\t" // max of pixels
         "pshufw $0xF9, %%mm6, %%mm4             \n\t"
         "pmaxub %%mm4, %%mm6                    \n\t"
@@ -1266,7 +1266,7 @@ DERING_CORE((%0, %1, 8)    ,(%%REGd, %1, 4),%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,
         : : "r" (src), "r" ((x86_reg)stride), "m" (c->pQPb), "m"(c->pQPb2), "q"(tmp)
         : "%"REG_a, "%"REG_d
     );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
+#else //HAVE_MMXEXT || HAVE_AMD3DNOW
     int y;
     int min=255;
     int max=0;
@@ -1383,7 +1383,7 @@ DERING_CORE((%0, %1, 8)    ,(%%REGd, %1, 4),%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,
 //        src[0] = src[7]=src[stride*7]=src[stride*7 + 7]=255;
     }
 #endif
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
+#endif //HAVE_MMXEXT || HAVE_AMD3DNOW
 }
 #endif //HAVE_ALTIVEC
 
@@ -1395,7 +1395,7 @@ DERING_CORE((%0, %1, 8)    ,(%%REGd, %1, 4),%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,
  */
 static inline void RENAME(deInterlaceInterpolateLinear)(uint8_t src[], int stride)
 {
-#if HAVE_MMX2 || HAVE_AMD3DNOW
+#if HAVE_MMXEXT || HAVE_AMD3DNOW
     src+= 4*stride;
     __asm__ volatile(
         "lea (%0, %1), %%"REG_a"                \n\t"
@@ -1448,7 +1448,7 @@ static inline void RENAME(deInterlaceInterpolateLinear)(uint8_t src[], int strid
  */
 static inline void RENAME(deInterlaceInterpolateCubic)(uint8_t src[], int stride)
 {
-#if HAVE_MMX2 || HAVE_AMD3DNOW
+#if HAVE_MMXEXT || HAVE_AMD3DNOW
     src+= stride*3;
     __asm__ volatile(
         "lea (%0, %1), %%"REG_a"                \n\t"
@@ -1490,7 +1490,7 @@ DEINT_CUBIC((%%REGd, %1), (%0, %1, 8) , (%%REGd, %1, 4), (%%REGc)    , (%%REGc,
         : : "r" (src), "r" ((x86_reg)stride)
         : "%"REG_a, "%"REG_d, "%"REG_c
     );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
+#else //HAVE_MMXEXT || HAVE_AMD3DNOW
     int x;
     src+= stride*3;
     for(x=0; x<8; x++){
@@ -1500,7 +1500,7 @@ DEINT_CUBIC((%%REGd, %1), (%0, %1, 8) , (%%REGd, %1, 4), (%%REGc)    , (%%REGc,
         src[stride*9] = CLIP((-src[stride*6] + 9*src[stride*8] + 9*src[stride*10] - src[stride*12])>>4);
         src++;
     }
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
+#endif //HAVE_MMXEXT || HAVE_AMD3DNOW
 }
 
 /**
@@ -1512,7 +1512,7 @@ DEINT_CUBIC((%%REGd, %1), (%0, %1, 8) , (%%REGd, %1, 4), (%%REGc)    , (%%REGc,
  */
 static inline void RENAME(deInterlaceFF)(uint8_t src[], int stride, uint8_t *tmp)
 {
-#if HAVE_MMX2 || HAVE_AMD3DNOW
+#if HAVE_MMXEXT || HAVE_AMD3DNOW
     src+= stride*4;
     __asm__ volatile(
         "lea (%0, %1), %%"REG_a"                \n\t"
@@ -1561,7 +1561,7 @@ DEINT_FF((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8) , (%%REGd, %1, 4))
         : : "r" (src), "r" ((x86_reg)stride), "r"(tmp)
         : "%"REG_a, "%"REG_d
     );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
+#else //HAVE_MMXEXT || HAVE_AMD3DNOW
     int x;
     src+= stride*4;
     for(x=0; x<8; x++){
@@ -1579,7 +1579,7 @@ DEINT_FF((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8) , (%%REGd, %1, 4))
 
         src++;
     }
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
+#endif //HAVE_MMXEXT || HAVE_AMD3DNOW
 }
 
 /**
@@ -1591,7 +1591,7 @@ DEINT_FF((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8) , (%%REGd, %1, 4))
  */
 static inline void RENAME(deInterlaceL5)(uint8_t src[], int stride, uint8_t *tmp, uint8_t *tmp2)
 {
-#if HAVE_MMX2 || HAVE_AMD3DNOW
+#if HAVE_MMXEXT || HAVE_AMD3DNOW
     src+= stride*4;
     __asm__ volatile(
         "lea (%0, %1), %%"REG_a"                \n\t"
@@ -1651,7 +1651,7 @@ DEINT_L5(%%mm1, %%mm0, (%%REGd, %1, 2), (%0, %1, 8)    , (%%REGd, %1, 4))
         : : "r" (src), "r" ((x86_reg)stride), "r"(tmp), "r"(tmp2)
         : "%"REG_a, "%"REG_d
     );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
+#else //HAVE_MMXEXT || HAVE_AMD3DNOW
     int x;
     src+= stride*4;
     for(x=0; x<8; x++){
@@ -1680,7 +1680,7 @@ DEINT_L5(%%mm1, %%mm0, (%%REGd, %1, 2), (%0, %1, 8)    , (%%REGd, %1, 4))
 
         src++;
     }
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
+#endif //HAVE_MMXEXT || HAVE_AMD3DNOW
 }
 
 /**
@@ -1692,7 +1692,7 @@ DEINT_L5(%%mm1, %%mm0, (%%REGd, %1, 2), (%0, %1, 8)    , (%%REGd, %1, 4))
  */
 static inline void RENAME(deInterlaceBlendLinear)(uint8_t src[], int stride, uint8_t *tmp)
 {
-#if HAVE_MMX2 || HAVE_AMD3DNOW
+#if HAVE_MMXEXT || HAVE_AMD3DNOW
     src+= 4*stride;
     __asm__ volatile(
         "lea (%0, %1), %%"REG_a"                \n\t"
@@ -1739,7 +1739,7 @@ static inline void RENAME(deInterlaceBlendLinear)(uint8_t src[], int stride, uin
         : : "r" (src), "r" ((x86_reg)stride), "r" (tmp)
         : "%"REG_a, "%"REG_d
     );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
+#else //HAVE_MMXEXT || HAVE_AMD3DNOW
     int a, b, c, x;
     src+= 4*stride;
 
@@ -1782,7 +1782,7 @@ static inline void RENAME(deInterlaceBlendLinear)(uint8_t src[], int stride, uin
         src += 4;
         tmp += 4;
     }
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
+#endif //HAVE_MMXEXT || HAVE_AMD3DNOW
 }
 
 /**
@@ -1795,7 +1795,7 @@ static inline void RENAME(deInterlaceMedian)(uint8_t src[], int stride)
 {
 #if HAVE_MMX
     src+= 4*stride;
-#if HAVE_MMX2
+#if HAVE_MMXEXT
     __asm__ volatile(
         "lea (%0, %1), %%"REG_a"                \n\t"
         "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
@@ -1885,7 +1885,7 @@ MEDIAN((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8))
         : : "r" (src), "r" ((x86_reg)stride)
         : "%"REG_a, "%"REG_d
     );
-#endif //HAVE_MMX2
+#endif //HAVE_MMXEXT
 #else //HAVE_MMX
     int x, y;
     src+= 4*stride;
@@ -2087,7 +2087,7 @@ static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
 
 #define FAST_L2_DIFF
 //#define L1_DIFF //u should change the thresholds too if u try that one
-#if HAVE_MMX2 || HAVE_AMD3DNOW
+#if HAVE_MMXEXT || HAVE_AMD3DNOW
     __asm__ volatile(
         "lea (%2, %2, 2), %%"REG_a"             \n\t" // 3*stride
         "lea (%2, %2, 4), %%"REG_d"             \n\t" // 5*stride
@@ -2375,7 +2375,7 @@ L2_DIFF_CORE((%0, %%REGc)  , (%1, %%REGc))
         :: "r" (src), "r" (tempBlurred), "r"((x86_reg)stride), "m" (tempBlurredPast)
         : "%"REG_a, "%"REG_d, "%"REG_c, "memory"
     );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
+#else //HAVE_MMXEXT || HAVE_AMD3DNOW
 {
     int y;
     int d=0;
@@ -2458,7 +2458,7 @@ Switch between
         }
     }
 }
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
+#endif //HAVE_MMXEXT || HAVE_AMD3DNOW
 }
 #endif //HAVE_ALTIVEC
 
@@ -2865,7 +2865,7 @@ static av_always_inline void RENAME(do_a_deblock)(uint8_t *src, int step, int st
             "movq (%4), %%mm2                       \n\t" // 2L0 - 5L1 + 5L2 - 2L3
             "movq 8(%4), %%mm3                      \n\t" // 2H0 - 5H1 + 5H2 - 2H3
 
-#if HAVE_MMX2
+#if HAVE_MMXEXT
             "movq %%mm7, %%mm6                      \n\t" // 0
             "psubw %%mm0, %%mm6                     \n\t"
             "pmaxsw %%mm6, %%mm0                    \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
@@ -2897,7 +2897,7 @@ static av_always_inline void RENAME(do_a_deblock)(uint8_t *src, int step, int st
             "psubw %%mm6, %%mm3                     \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
 #endif
 
-#if HAVE_MMX2
+#if HAVE_MMXEXT
             "pminsw %%mm2, %%mm0                    \n\t"
             "pminsw %%mm3, %%mm1                    \n\t"
 #else
@@ -2961,7 +2961,7 @@ static av_always_inline void RENAME(do_a_deblock)(uint8_t *src, int step, int st
             "pand %%mm2, %%mm4                      \n\t"
             "pand %%mm3, %%mm5                      \n\t"
 
-#if HAVE_MMX2
+#if HAVE_MMXEXT
             "pminsw %%mm0, %%mm4                    \n\t"
             "pminsw %%mm1, %%mm5                    \n\t"
 #else
@@ -3024,7 +3024,7 @@ static inline void RENAME(blockCopy)(uint8_t dst[], int dstStride, const uint8_t
         "lea (%2,%4), %%"REG_a"         \n\t"
         "lea (%3,%5), %%"REG_d"         \n\t"
         "pxor %%mm4, %%mm4              \n\t"
-#if HAVE_MMX2
+#if HAVE_MMXEXT
 #define REAL_SCALED_CPY(src1, src2, dst1, dst2)                                                \
         "movq " #src1 ", %%mm0          \n\t"\
         "movq " #src1 ", %%mm5          \n\t"\
@@ -3047,7 +3047,7 @@ static inline void RENAME(blockCopy)(uint8_t dst[], int dstStride, const uint8_t
         "movq %%mm0, " #dst1 "          \n\t"\
         "movq %%mm1, " #dst2 "          \n\t"\
 
-#else //HAVE_MMX2
+#else //HAVE_MMXEXT
 #define REAL_SCALED_CPY(src1, src2, dst1, dst2)                                        \
         "movq " #src1 ", %%mm0          \n\t"\
         "movq " #src1 ", %%mm5          \n\t"\
@@ -3074,7 +3074,7 @@ static inline void RENAME(blockCopy)(uint8_t dst[], int dstStride, const uint8_t
         "movq %%mm0, " #dst1 "          \n\t"\
         "movq %%mm1, " #dst2 "          \n\t"\
 
-#endif //HAVE_MMX2
+#endif //HAVE_MMXEXT
 #define SCALED_CPY(src1, src2, dst1, dst2)\
    REAL_SCALED_CPY(src1, src2, dst1, dst2)
 
@@ -3248,7 +3248,7 @@ static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[
 
         scale= (double)(c.ppMode.maxAllowedY - c.ppMode.minAllowedY) / (double)(white-black);
 
-#if HAVE_MMX2
+#if HAVE_MMXEXT
         c.packedYScale= (uint16_t)(scale*256.0 + 0.5);
         c.packedYOffset= (((black*c.packedYScale)>>8) - c.ppMode.minAllowedY) & 0xFFFF;
 #else
@@ -3281,7 +3281,7 @@ static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[
         // with the L1 Cache of the P4 ... or only a few blocks at a time or soemthing
         for(x=0; x<width; x+=BLOCK_SIZE){
 
-#if HAVE_MMX2
+#if HAVE_MMXEXT
 /*
             prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32);
             prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32);
@@ -3417,7 +3417,7 @@ static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[
 #endif
 
 
-#if HAVE_MMX2
+#if HAVE_MMXEXT
 /*
             prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32);
             prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32);
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index ae79eb66e8..07443dbd22 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -422,7 +422,7 @@ static int swScale(SwsContext *c, const uint8_t *src[],
     ) {
         static int warnedAlready=0;
         int cpu_flags = av_get_cpu_flags();
-        if (HAVE_MMX2 && (cpu_flags & AV_CPU_FLAG_SSE2) && !warnedAlready){
+        if (HAVE_MMXEXT && (cpu_flags & AV_CPU_FLAG_SSE2) && !warnedAlready){
             av_log(c, AV_LOG_WARNING, "Warning: data is not aligned! This can lead to a speedloss\n");
             warnedAlready=1;
         }
diff --git a/libswscale/x86/swscale.c b/libswscale/x86/swscale.c
index 67cda51ca5..b2e06e3b47 100644
--- a/libswscale/x86/swscale.c
+++ b/libswscale/x86/swscale.c
@@ -204,7 +204,7 @@ void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufI
     }
 }
 
-#if HAVE_MMX2
+#if HAVE_MMXEXT
 static void yuv2yuvX_sse3(const int16_t *filter, int filterSize,
                            const int16_t **src, uint8_t *dest, int dstW,
                            const uint8_t *dither, int offset)