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- unrecognized command-line option -arch; did you mean -march=?
unrecognized command-line option '-arch'; did you mean '-march='? Asked 4 years, 5 months ago Modified 1 year, 6 months ago Viewed 3k times
- c++ - equivalent of -march=native for msvc - Stack Overflow
As far as I know, the compilation option for MSVC that tells the compiler to use special available instruction is arch On clang linux, we can use -march=native to automatically detect the archite
- cc1: error: bad value (armv8-a) for -march= switch [closed]
cc1: error: bad value (armv8-a) for -march= switch [closed] Asked 9 years, 1 month ago Modified 1 year, 8 months ago Viewed 13k times
- Why is -march=native not enabled by default by compilers IDEs?
For -O0, whether -march=native or -march=<generic> is the default still specifies the same family, so both are perfectly compatibly with -O0; and whenever another optimization level is specified, -march=native is beneficial to performance So, for me, the fact that -O0 is the default doesn't matter for -march 's default
- How to see which flags -march=native will activate?
I'm compiling my C++ app using GCC 4 3 Instead of manually selecting the optimization flags I'm using -march=native, which in theory should add all optimization flags applicable to the hardware I'm
- Can code built with g++ -march=x86-64 run on a 32-bit Operating System?
-march=x86-64 means the target CPU supports the baseline set of ISA extensions that x86-64 guarantees: SSE2, P6 features like CMOV, CPUID, RDTSC, and so on But without -m64, the code will still work in 32-bit mode
- c++ - What exactly does -march=native do? - Stack Overflow
Gentoo Wiki told me the following: Warning: GCC 4 2 and above support -march=native -march=native applies additional settings beyond -march, specific to your CPU Unless you have a specific reaso
- What are my available march mtune options? - Stack Overflow
Is there a way to get gcc to output the available -march=arch options? I'm getting build errors (tried -march=x86_64) and I don't know what my options are The compiler I'm using is a proprietary
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