GCC 4
GCC 4
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H8/300 Options

3.17.15 H8/300 Options

These ‘-m’ options are defined for the H8/300 implementations:

-mrelax
Shorten some address references at link time, when possible; uses the linker option -relax. See ld and the H8/300, for a fuller description.
-mh
Generate code for the H8/300H.
-ms
Generate code for the H8S.
-mn
Generate code for the H8S and H8/300H in the normal mode. This switch must be used either with -mh or -ms.
-ms2600
Generate code for the H8S/2600. This switch must be used with -ms.
-mexr
Extended registers are stored on stack before