Commit c61ca00a authored by Peter Lieven's avatar Peter Lieven Committed by Juan Quintela
Browse files

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: default avatarPeter Lieven <pl@kamp.de>
Signed-off-by: default avatarJuan Quintela <quintela@redhat.com>
parent 377e2cb9

arch_init.c

+0 −20
Original line number Diff line number Diff line
@@ -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;

include/qemu-common.h

+21 −0
Original line number Diff line number Diff line
@@ -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