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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Richard Henderson" <richard.henderson@linaro.org>
Subject: [PATCH 3/4] qemu/bswap: Replace bswapXXs() by compiler __builtin_bswap()
Date: Wed, 23 Sep 2020 12:02:19 +0200	[thread overview]
Message-ID: <20200923100220.674903-4-philmd@redhat.com> (raw)
In-Reply-To: <20200923100220.674903-1-philmd@redhat.com>

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 include/qemu/bswap.h | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/include/qemu/bswap.h b/include/qemu/bswap.h
index d1a2f700f2a..6875e48d617 100644
--- a/include/qemu/bswap.h
+++ b/include/qemu/bswap.h
@@ -35,29 +35,31 @@ static inline uint64_t bswap64(uint64_t x)
 
 static inline void bswap16s(uint16_t *s)
 {
-    *s = bswap16(*s);
+    *s = __builtin_bswap16(*s);
 }
 
 static inline void bswap32s(uint32_t *s)
 {
-    *s = bswap32(*s);
+    *s = __builtin_bswap32(*s);
 }
 
 static inline void bswap64s(uint64_t *s)
 {
-    *s = bswap64(*s);
+    *s = __builtin_bswap64(*s);
 }
 
 #if defined(HOST_WORDS_BIGENDIAN)
 #define be_bswap(v, size) (v)
-#define le_bswap(v, size) glue(bswap, size)(v)
+#define le_bswap(v, size) glue(__builtin_bswap, size)(v)
 #define be_bswaps(v, size)
-#define le_bswaps(p, size) do { *p = glue(bswap, size)(*p); } while(0)
+#define le_bswaps(p, size) \
+            do { *p = glue(__builtin_bswap, size)(*p); } while (0)
 #else
 #define le_bswap(v, size) (v)
-#define be_bswap(v, size) glue(bswap, size)(v)
+#define be_bswap(v, size) glue(__builtin_bswap, size)(v)
 #define le_bswaps(v, size)
-#define be_bswaps(p, size) do { *p = glue(bswap, size)(*p); } while(0)
+#define be_bswaps(p, size) \
+            do { *p = glue(__builtin_bswap, size)(*p); } while (0)
 #endif
 
 /**
-- 
2.26.2



  parent reply	other threads:[~2020-09-23 10:08 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-23 10:02 [PATCH 0/4] qemu/bswap: Use compiler __builtin_bswap() Philippe Mathieu-Daudé
2020-09-23 10:02 ` [PATCH 1/4] qemu/bswap: Remove unused qemu_bswap_len() Philippe Mathieu-Daudé
2020-09-24 19:24   ` Richard Henderson
2020-09-23 10:02 ` [PATCH 2/4] qemu/bswap: Replace bswapXX() by compiler __builtin_bswap() Philippe Mathieu-Daudé
2020-09-24 19:25   ` Richard Henderson
2020-09-23 10:02 ` Philippe Mathieu-Daudé [this message]
2020-09-24 19:29   ` [PATCH 3/4] qemu/bswap: Replace bswapXXs() " Richard Henderson
2020-09-23 10:02 ` [PATCH 4/4] qemu/bswap: Remove <byteswap.h> dependency Philippe Mathieu-Daudé
2020-09-23 10:16   ` Peter Maydell
2020-09-23 10:30     ` Philippe Mathieu-Daudé
2020-09-24 19:30       ` Richard Henderson
2020-09-24 19:33         ` Peter Maydell
2020-09-25  9:22           ` Philippe Mathieu-Daudé
2020-09-25 15:25             ` Richard Henderson
2020-09-24 19:29   ` Richard Henderson

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