[Qemu-devel] [PATCHv5 02/10] add a zero splat vector to qemu-common.h

[Peter Lieven <pl@kamp.de>]

Signed-off-by: Peter Lieven <pl@kamp.de>
---
 include/qemu-common.h |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/qemu-common.h b/include/qemu-common.h
index d7ad3a7..9022646 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -453,6 +453,7 @@ void hexdump(const char *buf, FILE *fp, const char *prefix, size_t size);
 #include <altivec.h>
 #define VECTYPE        vector unsigned char
 #define SPLAT(p)       vec_splat(vec_ld(0, p), 0)
+#define ZERO_SPLAT     vec_splat(vec_ld(0, 0), 0)
 #define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
 /* altivec.h may redefine the bool macro as vector type.
  * Reset it to POSIX semantics. */
@@ -462,10 +463,12 @@ void hexdump(const char *buf, FILE *fp, const char *prefix, size_t size);
 #include <emmintrin.h>
 #define VECTYPE        __m128i
 #define SPLAT(p)       _mm_set1_epi8(*(p))
+#define ZERO_SPLAT     _mm_setzero_si128()
 #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
 #else
 #define VECTYPE        unsigned long
 #define SPLAT(p)       (*(p) * (~0UL / 255))
+#define ZERO_SPLAT     0x0UL
 #define ALL_EQ(v1, v2) ((v1) == (v2))
 #endif
 
-- 
1.7.9.5