mips: intreadwrite: fix inline asm for gcc 4.8

[ffmpeg] / libavutil / intreadwrite.h

diff --git a/libavutil/intreadwrite.h b/libavutil/intreadwrite.h
index 9d029a83699ec0db7a1a14643cf1c1e9646e9ae1..01eb27804a8e8e411ef6fa225b2fb6c74e6199db 100644 (file)
--- a/libavutil/intreadwrite.h
+++ b/libavutil/intreadwrite.h
@@ -1,18 +1,18 @@
 /*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -20,9 +20,9 @@
 #define AVUTIL_INTREADWRITE_H
 
 #include <stdint.h>
-#include "config.h"
+#include "libavutil/avconfig.h"
+#include "attributes.h"
 #include "bswap.h"
-#include "common.h"
 
 typedef union {
     uint64_t u64;
@@ -52,6 +52,10 @@ typedef union {
  * as inline functions.
  */
 
+#ifdef HAVE_AV_CONFIG_H
+
+#include "config.h"
+
 #if   ARCH_ARM
 #   include "arm/intreadwrite.h"
 #elif ARCH_AVR32
@@ -66,11 +70,13 @@ typedef union {
 #   include "x86/intreadwrite.h"
 #endif
 
+#endif /* HAVE_AV_CONFIG_H */
+
 /*
  * Map AV_RNXX <-> AV_R[BL]XX for all variants provided by per-arch headers.
  */
 
-#if HAVE_BIGENDIAN
+#if AV_HAVE_BIGENDIAN
 
 #   if    defined(AV_RN16) && !defined(AV_RB16)
 #       define AV_RB16(p) AV_RN16(p)
@@ -120,7 +126,7 @@ typedef union {
 #       define AV_WN64(p, v) AV_WB64(p, v)
 #   endif
 
-#else /* HAVE_BIGENDIAN */
+#else /* AV_HAVE_BIGENDIAN */
 
 #   if    defined(AV_RN16) && !defined(AV_RL16)
 #       define AV_RL16(p) AV_RN16(p)
@@ -170,14 +176,14 @@ typedef union {
 #       define AV_WN64(p, v) AV_WL64(p, v)
 #   endif
 
-#endif /* !HAVE_BIGENDIAN */
+#endif /* !AV_HAVE_BIGENDIAN */
 
 /*
  * Define AV_[RW]N helper macros to simplify definitions not provided
  * by per-arch headers.
  */
 
-#if   HAVE_ATTRIBUTE_PACKED
+#if defined(__GNUC__) && !defined(__TI_COMPILER_VERSION__)
 
 union unaligned_64 { uint64_t l; } __attribute__((packed)) av_alias;
 union unaligned_32 { uint32_t l; } __attribute__((packed)) av_alias;
@@ -191,10 +197,10 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
 #   define AV_RN(s, p) (*((const __unaligned uint##s##_t*)(p)))
 #   define AV_WN(s, p, v) (*((__unaligned uint##s##_t*)(p)) = (v))
 
-#elif HAVE_FAST_UNALIGNED
+#elif AV_HAVE_FAST_UNALIGNED
 
 #   define AV_RN(s, p) (((const av_alias##s*)(p))->u##s)
-#   define AV_WN(s, p, v) (((uint##s##_t*)(p))->u##s = (v))
+#   define AV_WN(s, p, v) (((av_alias##s*)(p))->u##s = (v))
 
 #else
 
@@ -223,11 +229,11 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
 #endif
 
 #ifndef AV_RB32
-#   define AV_RB32(x)                           \
-    ((((const uint8_t*)(x))[0] << 24) |         \
-     (((const uint8_t*)(x))[1] << 16) |         \
-     (((const uint8_t*)(x))[2] <<  8) |         \
-      ((const uint8_t*)(x))[3])
+#   define AV_RB32(x)                                \
+    (((uint32_t)((const uint8_t*)(x))[0] << 24) |    \
+               (((const uint8_t*)(x))[1] << 16) |    \
+               (((const uint8_t*)(x))[2] <<  8) |    \
+                ((const uint8_t*)(x))[3])
 #endif
 #ifndef AV_WB32
 #   define AV_WB32(p, d) do {                   \
@@ -239,11 +245,11 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
 #endif
 
 #ifndef AV_RL32
-#   define AV_RL32(x)                           \
-    ((((const uint8_t*)(x))[3] << 24) |         \
-     (((const uint8_t*)(x))[2] << 16) |         \
-     (((const uint8_t*)(x))[1] <<  8) |         \
-      ((const uint8_t*)(x))[0])
+#   define AV_RL32(x)                                \
+    (((uint32_t)((const uint8_t*)(x))[3] << 24) |    \
+               (((const uint8_t*)(x))[2] << 16) |    \
+               (((const uint8_t*)(x))[1] <<  8) |    \
+                ((const uint8_t*)(x))[0])
 #endif
 #ifndef AV_WL32
 #   define AV_WL32(p, d) do {                   \
@@ -302,7 +308,7 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
     } while(0)
 #endif
 
-#if HAVE_BIGENDIAN
+#if AV_HAVE_BIGENDIAN
 #   define AV_RN(s, p)    AV_RB##s(p)
 #   define AV_WN(s, p, v) AV_WB##s(p, v)
 #else
@@ -336,14 +342,14 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
 #   define AV_WN64(p, v) AV_WN(64, p, v)
 #endif
 
-#if HAVE_BIGENDIAN
+#if AV_HAVE_BIGENDIAN
 #   define AV_RB(s, p)    AV_RN##s(p)
 #   define AV_WB(s, p, v) AV_WN##s(p, v)
-#   define AV_RL(s, p)    bswap_##s(AV_RN##s(p))
-#   define AV_WL(s, p, v) AV_WN##s(p, bswap_##s(v))
+#   define AV_RL(s, p)    av_bswap##s(AV_RN##s(p))
+#   define AV_WL(s, p, v) AV_WN##s(p, av_bswap##s(v))
 #else
-#   define AV_RB(s, p)    bswap_##s(AV_RN##s(p))
-#   define AV_WB(s, p, v) AV_WN##s(p, bswap_##s(v))
+#   define AV_RB(s, p)    av_bswap##s(AV_RN##s(p))
+#   define AV_WB(s, p, v) AV_WN##s(p, av_bswap##s(v))
 #   define AV_RL(s, p)    AV_RN##s(p)
 #   define AV_WL(s, p, v) AV_WN##s(p, v)
 #endif
@@ -465,6 +471,10 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
 #define AV_COPY(n, d, s) \
     (((av_alias##n*)(d))->u##n = ((const av_alias##n*)(s))->u##n)
 
+#ifndef AV_COPY16
+#   define AV_COPY16(d, s) AV_COPY(16, d, s)
+#endif
+
 #ifndef AV_COPY32
 #   define AV_COPY32(d, s) AV_COPY(32, d, s)
 #endif
@@ -489,6 +499,10 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
 
 #define AV_ZERO(n, d) (((av_alias##n*)(d))->u##n = 0)
 
+#ifndef AV_ZERO16
+#   define AV_ZERO16(d) AV_ZERO(16, d)
+#endif
+
 #ifndef AV_ZERO32
 #   define AV_ZERO32(d) AV_ZERO(32, d)
 #endif