armv5 编译出错问题

[junzLiu]

armv5 编译出错 有谁知道怎么处理么 arm64 ，x86，x86_64 都编译通过了 api：21 ndk:19 编译环境：Liunx

In file included from libavformat/aacdec.c:23:
In file included from ./libavutil/intreadwrite.h:25:
In file included from ./libavutil/bswap.h:40:
./libavutil/arm/bswap.h:42:13: error: invalid instruction, any one of the following would fix this:
    __asm__("rev16 %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev16 r1, r1
        ^
./libavutil/arm/bswap.h:42:13: note: instruction requires: armv6
    __asm__("rev16 %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev16 r1, r1
        ^
./libavutil/arm/bswap.h:42:13: note: instruction requires: thumb2
    __asm__("rev16 %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev16 r1, r1
        ^
In file included from libavformat/aacdec.c:23:
In file included from ./libavutil/intreadwrite.h:25:
In file included from ./libavutil/bswap.h:40:
./libavutil/arm/bswap.h:52:13: error: invalid instruction, any one of the following would fix this:
    __asm__("rev %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev r1, r1
        ^
./libavutil/arm/bswap.h:52:13: note: instruction requires: armv6
    __asm__("rev %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev r1, r1
        ^
./libavutil/arm/bswap.h:52:13: note: instruction requires: thumb2
    __asm__("rev %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev r1, r1
        ^
In file included from libavformat/aacdec.c:23:
In file included from ./libavutil/intreadwrite.h:25:
In file included from ./libavutil/bswap.h:40:
./libavutil/arm/bswap.h:42:13: error: invalid instruction, any one of the following would fix this:
    __asm__("rev16 %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev16 r1, r1
        ^
./libavutil/arm/bswap.h:42:13: note: instruction requires: armv6
    __asm__("rev16 %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev16 r1, r1
        ^
./libavutil/arm/bswap.h:42:13: note: instruction requires: thumb2
    __asm__("rev16 %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev16 r1, r1
        ^
In file included from libavformat/aacdec.c:23:
In file included from ./libavutil/intreadwrite.h:25:
In file included from ./libavutil/bswap.h:40:
./libavutil/arm/bswap.h:52:13: error: invalid instruction, any one of the following would fix this:
    __asm__("rev %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev r0, r0
        ^
./libavutil/arm/bswap.h:52:13: note: instruction requires: armv6
    __asm__("rev %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev r0, r0
        ^
./libavutil/arm/bswap.h:52:13: note: instruction requires: thumb2
    __asm__("rev %0, %0" : "+r"(x));
            ^
<inline asm>:1:2: note: instantiated into assembly here
        rev r0, r0
        ^
2 warnings and 4 errors generated.```

[poholo]

4683

[jianli-yang]

请问，有结果了么?

[poholo]

都啥年代了 现在只编译arm64就可以了

	马建成 邮箱：mailjiancheng@163.com

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在2020年02月20日 17:52，jianli-yang 写道：

请问，有结果了么?

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