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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>
This commit is contained in:
Peter Lieven 2013-03-26 10:58:30 +01:00 committed by Juan Quintela
parent 377e2cb96b
commit c61ca00ada
2 changed files with 21 additions and 20 deletions
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20
arch_init.c
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@ -116,26 +116,6 @@ const uint32_t arch_type = QEMU_ARCH;
#define RAM_SAVE_FLAG_CONTINUE 0x20
#define RAM_SAVE_FLAG_XBZRLE 0x40
#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
static struct defconfig_file {
const char *filename;

21
include/qemu-common.h
View File

@ -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