contrib/ffmpeg-macosx-intel-mmx.patch: Fix the patch.

extras/contrib/src/Patches/ffmpeg-macosx-intel-mmx.patch

 Index: ffmpeg/libavcodec/i386/dsputil_mmx.c
 ===================================================================
---- ffmpeg/libavcodec/i386/dsputil_mmx.c       (revision 10759)
-+++ ffmpeg/libavcodec/i386/dsputil_mmx.c       (working copy)
-@@ -2967,7 +2967,6 @@
-      double c = 2.0 / (len-1.0);
-      int n2 = len>>1;
-      long i = -n2*sizeof(int32_t);
--    long j =  n2*sizeof(int32_t);
-      asm volatile(
-          "movsd   %0,     %%xmm7 \n\t"
-          "movapd  %1,     %%xmm6 \n\t"
-@@ -2985,17 +2984,18 @@
-          "movapd   %%xmm6,  %%xmm0   \n\t"\
-          "subpd    %%xmm1,  %%xmm0   \n\t"\
-          "pshufd   $0x4e,   %%xmm0, %%xmm1 \n\t"\
+--- ffmpeg/libavcodec/i386/dsputil_mmx.c (revision 10759)
++++ ffmpeg/libavcodec/i386/dsputil_mmx.c (working copy)
+@@ -2978,6 +2978,7 @@
+         ::"m"(c), "m"(*ff_pd_1), "m"(*ff_pd_2)
+     );
+ #define WELCH(MOVPD)\
++    do {\
+     asm volatile(\
+         "1:                         \n\t"\
+         "movapd   %%xmm7,  %%xmm1   \n\t"\
+@@ -2985,8 +2986,12 @@
+         "movapd   %%xmm6,  %%xmm0   \n\t"\
+         "subpd    %%xmm1,  %%xmm0   \n\t"\
+         "pshufd   $0x4e,   %%xmm0, %%xmm1 \n\t"\
 -        "cvtpi2pd (%4,%0), %%xmm2   \n\t"\
 -        "cvtpi2pd (%5,%1), %%xmm3   \n\t"\
-+        "cvtpi2pd (%3,%0), %%xmm2   \n\t"\
-          "mulpd    %%xmm0,  %%xmm2   \n\t"\
-+        "movapd   %%xmm2, (%1,%0,2) \n\t"\
-+        "negl %0\n\t"\
-+        "cvtpi2pd (%4,%0), %%xmm3   \n\t"\
-          "mulpd    %%xmm1,  %%xmm3   \n\t"\
--        "movapd   %%xmm2, (%2,%0,2) \n\t"\
--        MOVPD"    %%xmm3, (%3,%1,2) \n\t"\
-+        MOVPD"    %%xmm3, (%2,%0,2) \n\t"\
-          "subpd    %%xmm5,  %%xmm7   \n\t"\
--        "sub      $8,      %1       \n\t"\
-+        "negl %0\n\t"\
-          "add      $8,      %0       \n\t"\
-          "jl 1b                      \n\t"\
--        :"+&r"(i), "+&r"(j)\
-+        :"+&r"(i)\
-          :"r"(w_data+n2), "r"(w_data+len-2-n2),\
-           "r"(data+n2), "r"(data+len-2-n2)\
-      );
++        "cvtpi2pd (%2,%0), %%xmm2   \n\t"\
++        "cvtpi2pd (%3,%1), %%xmm3   \n\t"\
++        :"+&r"(i), "+&r"(j)\
++        :"r"(data+n2), "r"(data+len-2-n2)\
++    );\
++    asm volatile(\
+         "mulpd    %%xmm0,  %%xmm2   \n\t"\
+         "mulpd    %%xmm1,  %%xmm3   \n\t"\
+         "movapd   %%xmm2, (%2,%0,2) \n\t"\
+@@ -2996,9 +3001,9 @@
+         "add      $8,      %0       \n\t"\
+         "jl 1b                      \n\t"\
+         :"+&r"(i), "+&r"(j)\
+-        :"r"(w_data+n2), "r"(w_data+len-2-n2),\
+-         "r"(data+n2), "r"(data+len-2-n2)\
+-    );
++        :"r"(w_data+n2), "r"(w_data+len-2-n2)\
++    );\
++    } while(0);
+     if(len&1)
+         WELCH("movupd")
+     else
+