Gcc endian flag
-mlittle-endian: Generate little-endian code. ... This option has the form -march= arch +[no] feature }* , where the only value for arch is ' armv8-a '. ,The option has no effect for little-endian images and is ignored. The default is dependent on the selected target architecture. For ARMv6 and later ... ,That is, a byte order of the form 32107654 . Note: this option should only be used if you require compatibility with code for big-endian ARM processors ... ,That is, a byte order of the form ` 32107654 '. Note: this option should only be used if you require compatibility with code for big-endian ARM processors ... ,2017年12月1日 — The endianness of bitfields is implementation defined. Is there a way to check, at compile time, whether via some macro or other compiler flag, ... ,You are not missing anything, but it seems than even gcc toolchains provided by ARM don't allow using -mbig-endian with ... ,2016年4月12日 — Usually a feature is guarded by a preprocessor macro. I'd expect __MOVBE__ to be used for the movbe feature flag, but its not present (this ... ,Option Summary (Using the GNU Compiler Collection (GCC)) ... 3.1 Option Summary ... -mabi= name -mbig-endian -mlittle-endian -mgeneral-regs-only ...
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 Gcc endian flag 相關參考資料
AArch64 Options - Using the GNU Compiler Collection (GCC)
-mlittle-endian: Generate little-endian code. ... This option has the form -march= arch +[no] feature }* , where the only value for arch is ' armv8-a '. https://gcc.gnu.org ARM Options (Using the GNU Compiler Collection (GCC))
The option has no effect for little-endian images and is ignored. The default is dependent on the selected target architecture. For ARMv6 and later ... https://gcc.gnu.org ARM Options - GCC, the GNU Compiler Collection
That is, a byte order of the form 32107654 . Note: this option should only be used if you require compatibility with code for big-endian ARM processors ... https://gcc.gnu.org ARM Options - Using the GNU Compiler Collection (GCC)
That is, a byte order of the form ` 32107654 '. Note: this option should only be used if you require compatibility with code for big-endian ARM processors ... https://gcc.gnu.org Bitfield endianness in gcc - Stack Overflow
2017年12月1日 — The endianness of bitfields is implementation defined. Is there a way to check, at compile time, whether via some macro or other compiler flag, ... https://stackoverflow.com How and when to use -mbig-endian gcc option on AArch64?
You are not missing anything, but it seems than even gcc toolchains provided by ARM don't allow using -mbig-endian with ... https://stackoverflow.com How to make GCC generate bswap instruction for big endian ...
2016年4月12日 — Usually a feature is guarded by a preprocessor macro. I'd expect __MOVBE__ to be used for the movbe feature flag, but its not present (this ... https://stackoverflow.com Option Summary (Using the GNU Compiler Collection (GCC))
Option Summary (Using the GNU Compiler Collection (GCC)) ... 3.1 Option Summary ... -mabi= name -mbig-endian -mlittle-endian -mgeneral-regs-only ... https://gcc.gnu.org |