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From: Peter Lieven <pl@kamp.de>
To: qemu-devel@nongnu.org
Cc: quintela@redhat.com, Stefan Hajnoczi <stefanha@gmail.com>,
	Peter Lieven <pl@kamp.de>, Orit Wasserman <owasserm@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: [Qemu-devel] [PATCHv5 01/10] move vector definitions to qemu-common.h
Date: Tue, 26 Mar 2013 10:58:30 +0100	[thread overview]
Message-ID: <1364291919-19563-2-git-send-email-pl@kamp.de> (raw)
In-Reply-To: <1364291919-19563-1-git-send-email-pl@kamp.de>

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>
---
 arch_init.c           |   20 --------------------
 include/qemu-common.h |   21 +++++++++++++++++++++
 2 files changed, 21 insertions(+), 20 deletions(-)

diff --git a/arch_init.c b/arch_init.c
index e8ade9e..35974c2 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -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;
diff --git a/include/qemu-common.h b/include/qemu-common.h
index 2371132..d7ad3a7 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
-- 
1.7.9.5

  reply	other threads:[~2013-03-26 10:01 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-26  9:58 [Qemu-devel] [PATCHv5 00/10] buffer_is_zero / migration optimizations Peter Lieven
2013-03-26  9:58 ` Peter Lieven [this message]
2013-03-26  9:58 ` [Qemu-devel] [PATCHv5 02/10] add a zero splat vector to qemu-common.h Peter Lieven
2013-03-26 10:14   ` Paolo Bonzini
2013-03-26 10:17     ` Peter Lieven
2013-03-26 10:17       ` Paolo Bonzini
2013-03-26 10:18         ` Peter Lieven
2013-03-26  9:58 ` [Qemu-devel] [PATCHv5 03/10] cutils: add a function to find non-zero content in a buffer Peter Lieven
2013-03-26 10:38   ` Juan Quintela
2013-03-26 10:42     ` Peter Lieven
2013-03-26 10:41   ` Juan Quintela
2013-03-26  9:58 ` [Qemu-devel] [PATCHv5 04/10] buffer_is_zero: use vector optimizations if possible Peter Lieven
2013-03-26  9:58 ` [Qemu-devel] [PATCHv5 05/10] bitops: unroll while loop in find_next_bit() Peter Lieven
2013-03-26  9:58 ` [Qemu-devel] [PATCHv5 06/10] migration: search for zero instead of dup pages Peter Lieven
2013-04-05 19:23   ` Kevin Wolf
2013-04-05 20:00     ` Paolo Bonzini
2013-04-05 21:44       ` Peter Lieven
2013-04-05 22:06       ` Peter Lieven
2013-04-08  8:38         ` Paolo Bonzini
2013-04-08  9:25           ` Peter Lieven
2013-04-08 10:33             ` Paolo Bonzini
2013-04-08  8:33     ` Peter Lieven
2013-04-08  8:39       ` Peter Lieven
2013-04-08  8:49       ` Kevin Wolf
2013-04-08  8:50         ` Peter Lieven
2013-03-26  9:58 ` [Qemu-devel] [PATCHv5 07/10] migration: add an indicator for bulk state of ram migration Peter Lieven
2013-03-26  9:58 ` [Qemu-devel] [PATCHv5 08/10] migration: do not sent zero pages in bulk stage Peter Lieven
2013-03-26  9:58 ` [Qemu-devel] [PATCHv5 09/10] migration: do not search dirty " Peter Lieven
2013-03-26  9:58 ` [Qemu-devel] [PATCHv5 10/10] migration: use XBZRLE only after " Peter Lieven
2013-03-26 10:46 ` [Qemu-devel] [PATCHv5 00/10] buffer_is_zero / migration optimizations Juan Quintela
2013-03-26 11:02   ` Peter Lieven

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