vector optimizations will now be used at various places
not just in is_dup_page() in arch_init.c
this patch also adds a zero splat vector.
Signed-off-by: Peter Lieven <p...@kamp.de>
Reviewed-by: Eric Blake <ebl...@redhat.com>
---
arch_init.c | 20 --------------------
include/qemu-common.h | 24 ++++++++++++++++++++++++
2 files changed, 24 insertions(+), 20 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 98e2bc6..1b71912 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -114,26 +114,6 @@ 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;
diff --git a/include/qemu-common.h b/include/qemu-common.h
index 7754ee2..e76ade3 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -448,4 +448,28 @@ 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 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. */
+#undef bool
+#define bool _Bool
+#elif defined __SSE2__
+#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
+
#endif
--
1.7.9.5
