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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Huacai Chen" <chenhuacai@kernel.org>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Peter Xu" <peterx@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Bibo Mao" <maobibo@loongson.cn>
Subject: [RFC PATCH 12/25] qemu/bswap: Use LDST_CONVERT macro to emit 32-bit load/store functions
Date: Tue, 18 May 2021 20:36:42 +0200	[thread overview]
Message-ID: <20210518183655.1711377-13-philmd@redhat.com> (raw)
In-Reply-To: <20210518183655.1711377-1-philmd@redhat.com>

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 include/qemu/bswap.h | 37 +++++--------------------------------
 1 file changed, 5 insertions(+), 32 deletions(-)

diff --git a/include/qemu/bswap.h b/include/qemu/bswap.h
index ee86dc4ed8c..a041be94a7a 100644
--- a/include/qemu/bswap.h
+++ b/include/qemu/bswap.h
@@ -336,18 +336,6 @@ static inline void stb_p(void *ptr, uint8_t v)
  * of good performance.
  */
 
-static inline int ldl_he_p(const void *ptr)
-{
-    int32_t r;
-    __builtin_memcpy(&r, ptr, sizeof(r));
-    return r;
-}
-
-static inline void stl_he_p(void *ptr, uint32_t v)
-{
-    __builtin_memcpy(ptr, &v, sizeof(v));
-}
-
 static inline uint64_t ldq_he_p(const void *ptr)
 {
     uint64_t r;
@@ -360,41 +348,21 @@ static inline void stq_he_p(void *ptr, uint64_t v)
     __builtin_memcpy(ptr, &v, sizeof(v));
 }
 
-static inline int ldl_le_p(const void *ptr)
-{
-    return le_bswap(ldl_he_p(ptr), 32);
-}
-
 static inline uint64_t ldq_le_p(const void *ptr)
 {
     return le_bswap(ldq_he_p(ptr), 64);
 }
 
-static inline void stl_le_p(void *ptr, uint32_t v)
-{
-    stl_he_p(ptr, le_bswap(v, 32));
-}
-
 static inline void stq_le_p(void *ptr, uint64_t v)
 {
     stq_he_p(ptr, le_bswap(v, 64));
 }
 
-static inline int ldl_be_p(const void *ptr)
-{
-    return be_bswap(ldl_he_p(ptr), 32);
-}
-
 static inline uint64_t ldq_be_p(const void *ptr)
 {
     return be_bswap(ldq_he_p(ptr), 64);
 }
 
-static inline void stl_be_p(void *ptr, uint32_t v)
-{
-    stl_he_p(ptr, be_bswap(v, 32));
-}
-
 static inline void stq_be_p(void *ptr, uint64_t v)
 {
     stq_he_p(ptr, be_bswap(v, 64));
@@ -436,9 +404,14 @@ static inline void st ## size ## _ ## endian ## _p(void *ptr, vtype v)\
     ST_CONVERT_END(le, bits, vtype, size)\
     ST_CONVERT_END(be, bits, vtype, size)
 
+#define LDST_CONVERT(bits, rtype, vtype, size)\
+    LD_CONVERT(bits, rtype, vtype, size)\
+    ST_CONVERT(bits, vtype, size)
+
 ST_CONVERT(16, uint16_t, w)
 LD_CONVERT(16, int, int16_t, sw)
 LD_CONVERT(16, int, uint16_t, uw)
+LDST_CONVERT(32, int, uint32_t, l)
 
 static inline unsigned long leul_to_cpu(unsigned long v)
 {
-- 
2.26.3



  parent reply	other threads:[~2021-05-18 18:51 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-18 18:36 [RFC PATCH 00/25] exec: Add load/store API for aligned pointers Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 01/25] exec/memory_ldst_cached: Sort declarations Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 02/25] exec/memory_ldst_phys: " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 03/25] exec/memory_ldst: Use correct type sizes Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 04/25] exec/memory_ldst_phys: " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 05/25] exec/memory_ldst_cached: Use correct type size Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 06/25] exec/memory: " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 07/25] qemu/bswap: Introduce ST_CONVERT() macro Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 08/25] qemu/bswap: Use ST_CONVERT() macro to emit 16-bit load/store functions Philippe Mathieu-Daudé
2021-05-18 20:08   ` Peter Maydell
2021-05-19 17:30     ` Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 09/25] qemu/bswap: Introduce LD_CONVERT() macro Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 10/25] qemu/bswap: Use LD_CONVERT macro to emit 16-bit signed load/store code Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 11/25] qemu/bswap: Use LD_CONVERT macro to emit 16-bit unsigned " Philippe Mathieu-Daudé
2021-05-18 18:36 ` Philippe Mathieu-Daudé [this message]
2021-05-18 18:36 ` [RFC PATCH 13/25] qemu/bswap: Use LDST_CONVERT macro to emit 64-bit load/store functions Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 14/25] qemu/bswap: Introduce load/store for aligned pointer Philippe Mathieu-Daudé
2021-05-18 20:15   ` Peter Maydell
2021-05-19  5:56     ` Philippe Mathieu-Daudé
2021-05-19  9:08       ` Stefan Hajnoczi
2021-05-18 18:36 ` [RFC PATCH 15/25] exec/memory: Add methods for aligned pointer access (address space) Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 16/25] exec/memory: Add methods for aligned pointer access (physical memory) Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 17/25] hw/virtio: Use correct type sizes Philippe Mathieu-Daudé
2021-05-20 16:27   ` Richard Henderson
2021-05-20 19:13     ` Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 18/25] hw/virtio: Introduce VIRTIO_LD_CONVERT() macro Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 19/25] hw/virtio: Use LD_CONVERT macro to emit 16-bit unsigned load/store code Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 20/25] hw/virtio: Introduce VIRTIO_ST_CONVERT() macro Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 21/25] hw/virtio: Use ST_CONVERT() macro to emit 16-bit load/store functions Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 22/25] hw/virtio: Use LDST_CONVERT macro to emit 32-bit " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 23/25] hw/virtio: Use LDST_CONVERT macro to emit 64-bit " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 24/25] hw/virtio: Add methods for aligned pointer access Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 25/25] hw/virtio: Optimize accesses on vring aligned pointers Philippe Mathieu-Daudé
2021-05-18 18:42 ` [RFC PATCH 00/25] exec: Add load/store API for " no-reply
2021-05-19 19:20 ` Richard Henderson
2021-05-19 19:40   ` Philippe Mathieu-Daudé
2021-05-20 16:28     ` Richard Henderson

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