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authorRong Yan <rongyan236@gmail.com>2014-11-07 11:57:49 +0300
committerMichael Niedermayer <michaelni@gmx.at>2014-11-07 12:51:35 +0300
commit6a6c16cbcc27242e6d6e630f2d63bd82a4d76c49 (patch)
tree42d5b6d651be91b187a00310ff83e7465c94c84c /libavutil/ppc
parentc11f731768568787c1c6333970ed40ae0f2ff4f4 (diff)
libavutil/ppc/util_altivec.h : fix unaligned_load() vec_unaligned_load() add macros VEC_LD() VEC_MERGEH() VEC_MERGEL() VEC_ST() for POWER LE
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/ppc')
-rw-r--r--libavutil/ppc/util_altivec.h31
1 files changed, 29 insertions, 2 deletions
diff --git a/libavutil/ppc/util_altivec.h b/libavutil/ppc/util_altivec.h
index 2c0ad5f6c6..4892a27b4d 100644
--- a/libavutil/ppc/util_altivec.h
+++ b/libavutil/ppc/util_altivec.h
@@ -85,8 +85,17 @@ do { \
} while (0)
+#if HAVE_BIGENDIAN
+#define VEC_LD(offset,b) \
+ vec_perm(vec_ld(offset, b), vec_ld(offset+15, b), vec_lvsl(offset, b))
+#else
+#define VEC_LD(offset,b) \
+ vec_vsx_ld(offset, b)
+#endif
+
/** @brief loads unaligned vector @a *src with offset @a offset
and returns it */
+#if HAVE_BIGENDIAN
static inline vector unsigned char unaligned_load(int offset, uint8_t *src)
{
register vector unsigned char first = vec_ld(offset, src);
@@ -94,6 +103,10 @@ static inline vector unsigned char unaligned_load(int offset, uint8_t *src)
register vector unsigned char mask = vec_lvsl(offset, src);
return vec_perm(first, second, mask);
}
+#else
+#define unaligned_load(a,b) VEC_LD(a,b)
+#endif
+
/**
* loads vector known misalignment
@@ -106,8 +119,22 @@ static inline vec_u8 load_with_perm_vec(int offset, uint8_t *src, vec_u8 perm_ve
return vec_perm(a, b, perm_vec);
}
-#define vec_unaligned_load(b) \
- vec_perm(vec_ld(0, b), vec_ld(15, b), vec_lvsl(0, b));
+#define vec_unaligned_load(b) VEC_LD(0, b)
+
+#if HAVE_BIGENDIAN
+#define VEC_MERGEH(a, b) vec_mergeh(a, b)
+#define VEC_MERGEL(a, b) vec_mergel(a, b)
+#else
+#define VEC_MERGEH(a, b) vec_mergeh(b, a)
+#define VEC_MERGEL(a, b) vec_mergel(b, a)
+#endif
+
+#if HAVE_BIGENDIAN
+#define VEC_ST(a,b,c) vec_st(a,b,c)
+#else
+#define VEC_ST(a,b,c) vec_vsx_st(a,b,c)
+#endif
+
#endif /* HAVE_ALTIVEC */