IBM RS/6000 and PowerPC Options

3.17.38 IBM RS/6000 and PowerPC Options

These ‘-m’ options are defined for the IBM RS/6000 and PowerPC:

-mpowerpc-gpopt

-mno-powerpc-gpopt

-mpowerpc-gfxopt

-mno-powerpc-gfxopt

-mpowerpc64

-mno-powerpc64

-mmfcrf

-mno-mfcrf

-mpopcntb

-mno-popcntb

-mpopcntd

-mno-popcntd

-mfprnd

-mno-fprnd

-mcmpb

-mno-cmpb

-mmfpgpr

-mno-mfpgpr

-mhard-dfp

-mno-hard-dfp

You use these options to specify which instructions are available on the processor you are usi

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