[FFmpeg-cvslog] swscale/ppc/swscale_altivec.c: POWER LE support in yuv2planeX_8() delete macro GET_VF() it was wrong

Rong Yan git at videolan.org
Mon Apr 27 13:14:52 CEST 2015


ffmpeg | branch: master | Rong Yan <rongyan236 at gmail.com> | Mon Apr 27 03:19:45 2015 +0000| [603c839398f89d3ef15c47530470fbb0051632c0] | committer: Michael Niedermayer

swscale/ppc/swscale_altivec.c: POWER LE support in yuv2planeX_8() delete macro GET_VF() it was wrong

GCC tool had a bug of PPC intrinsic interpret, which has been fixed in GCC 4.9.1. This bug lead to
errors in two of our previous patches. We found this when we update our GCC tools to 4.9.1 and by
reading the related info on GCC website. We fix our previous error in two separate commits

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=603c839398f89d3ef15c47530470fbb0051632c0
---

 libswscale/ppc/swscale_altivec.c |   11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/libswscale/ppc/swscale_altivec.c b/libswscale/ppc/swscale_altivec.c
index 3034c72..af9fc88 100644
--- a/libswscale/ppc/swscale_altivec.c
+++ b/libswscale/ppc/swscale_altivec.c
@@ -40,19 +40,11 @@
         ls  = vec_perm(a, l2, c);\
         a = l2;\
     }
-#define  GET_VF(a, b, c,d) {\
-        a = vec_mergeh(c, d);\
-        b = vec_mergel(c, d);\
-    }
 #else
 #define  GET_LS(a,b,c,s) {\
         ls  = a;\
         a = vec_vsx_ld(((b) << 1)  + 16, s);\
     }
-#define  GET_VF(a, b, c, d) {\
-        a = vec_mergel(d, c);\
-        b = vec_mergeh(d, c);\
-    }
 #endif
 
 #define yuv2planeX_8(d1, d2, l1, src, x, perm, filter) do {\
@@ -61,7 +53,8 @@
         vector signed int   i1  = vec_mule(filter, ls);\
         vector signed int   i2  = vec_mulo(filter, ls);\
         vector signed int   vf1, vf2;\
-        GET_VF(vf1, vf2, i1, i2);\
+        vf1 = vec_mergeh(i1, i2);\
+        vf2 = vec_mergel(i1, i2);\
         d1 = vec_add(d1, vf1);\
         d2 = vec_add(d2, vf2);\
     } while (0)



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