CONFIG_OPENRISC_HAVE_INST_SEXT: Have instructions l.ext* for sign extension

General informations

The Linux kernel configuration item CONFIG_OPENRISC_HAVE_INST_SEXT:

• prompt: Have instructions l.ext* for sign extension
• type: bool
• depends on: (none)
• defined in arch/openrisc/Kconfig
• found in Linux kernels: 5.19, 6.0–6.8, 6.9-rc+HEAD

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

LKDDb

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• (none)

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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