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CONFIG_OPENRISC_HAVE_INST_SEXT: Have instructions l.ext* for sign extension

General informations

The Linux kernel configuration item CONFIG_OPENRISC_HAVE_INST_SEXT:

Help text

This config enables gcc to generate l.ext* instructions when compiling the kernel which in general will improve performance and reduce the binary size.

Select this if your implementation has support for the Class II l.exths, l.extbs, l.exthz and l.extbz size extend instructions.

Say N if you are unsure.

Hardware

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