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| author | Peter Lieven <pl@kamp.de> | 2013-03-26 10:58:30 +0100 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2013-03-26 13:30:49 +0100 |
| commit | c61ca00ada744eb24825be2ba4d6ba8fe3a870a4 (patch) | |
| tree | 63f79341c8ad862d1324d1ff8e6eabeea782c9e8 /include/qemu-common.h | |
| parent | 377e2cb96b76c2b0023c1acc7230bf3a9e9f9f40 (diff) | |
| download | qemu-c61ca00ada744eb24825be2ba4d6ba8fe3a870a4.tar.gz | |
move vector definitions to qemu-common.h
vector optimizations will now be used at various places
not just in is_dup_page() in arch_init.c
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'include/qemu-common.h')
| -rw-r--r-- | include/qemu-common.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/qemu-common.h b/include/qemu-common.h index 2371132c11..d7ad3a70f1 100644 --- a/include/qemu-common.h +++ b/include/qemu-common.h @@ -448,4 +448,25 @@ int uleb128_decode_small(const uint8_t *in, uint32_t *n); void hexdump(const char *buf, FILE *fp, const char *prefix, size_t size); +/* vector definitions */ +#ifdef __ALTIVEC__ +#include <altivec.h> +#define VECTYPE vector unsigned char +#define SPLAT(p) vec_splat(vec_ld(0, p), 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. */ +#undef bool +#define bool _Bool +#elif defined __SSE2__ +#include <emmintrin.h> +#define VECTYPE __m128i +#define SPLAT(p) _mm_set1_epi8(*(p)) +#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 ALL_EQ(v1, v2) ((v1) == (v2)) +#endif + #endif |