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Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index f1bffe4..fd43812 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -11972,6 +11972,11 @@ The special value @samp{from-abi} selects the most compatible architecture for the selected ABI (that is, @samp{mips1} for 32-bit ABIs and @samp{mips3} for 64-bit ABIs)@. +Native Linux/GNU toolchains also support the value @samp{native}, +which selects the best architecture option for the host processor. +@option{-march=native} has no effect if GCC does not recognize +the processor. + In processor names, a final @samp{000} can be abbreviated as @samp{k} (for example, @samp{-march=r2k}). Prefixes are optional, and @samp{vr} may be written @samp{r}. |