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author | Daniel Jacobowitz <dan@codesourcery.com> | 2008-06-18 08:28:07 +0000 |
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committer | Maxim Kuvyrkov <mkuvyrkov@gcc.gnu.org> | 2008-06-18 08:28:07 +0000 |
commit | 900e3ae581fac0fa5fb79b790f4be57501fba319 (patch) | |
tree | 08ad1899ff895eecff141825004ddfce771bcfae /gcc/doc | |
parent | b51469a5d825a43e376a647f71cbf1da28149ae1 (diff) | |
download | gcc-900e3ae581fac0fa5fb79b790f4be57501fba319.zip gcc-900e3ae581fac0fa5fb79b790f4be57501fba319.tar.gz gcc-900e3ae581fac0fa5fb79b790f4be57501fba319.tar.bz2 |
config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
* config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
* config.host: Use driver-native.o and mips/x-native for mips*-linux*.
* config/mips/linux.h (host_detect_local_cpu): Declare, add to
EXTRA_SPEC_FUNCTIONS.
(MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
(DRIVER_SELF_SPECS): Adjust.
* config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
* config/mips/st.h, config/mips/t-st: New.
* config/mips/driver-native.c, config/mips/x-native: New.
* doc/invoke.texi (MIPS): Document 'native' value for -march and
-mtune options.
Co-Authored-By: Kazu Hirata <kazu@codesourcery.com>
From-SVN: r136888
Diffstat (limited to 'gcc/doc')
-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}. |