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/GCC 5

3.17.32 Nvidia PTX Options

These options are defined for Nvidia PTX:

-m32
-m64: Generate code for 32-bit or 64-bit ABI.
-mmainkernel: Link in code for a __main kernel. This is for stand-alone instead of offloading execution.

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Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-5.4.0/gcc/Nvidia-PTX-Options.html