Andi Kleen <a...@linux.intel.com> writes: Ping^3
> Andi Kleen <a...@linux.intel.com> writes: > > PING^2 for the patch. > > (not sure if there is any maintainer to cc here, this is generic build > infrastructure) > >> Andi Kleen <a...@linux.intel.com> writes: >> >> I wanted to ping this patch: >> >> https://gcc.gnu.org/pipermail/gcc-patches/2024-July/658729.html >> >> >>> From: Andi Kleen <a...@gcc.gnu.org> >>> >>> ... that uses -march=native -mtune=native to build a compiler optimized >>> for the host. >>> >>> config/ChangeLog: >>> >>> * bootstrap-native.mk: New file. >>> >>> gcc/ChangeLog: >>> >>> * doc/install.texi: Document bootstrap-native. >>> --- >>> config/bootstrap-native.mk | 1 + >>> gcc/doc/install.texi | 6 ++++++ >>> 2 files changed, 7 insertions(+) >>> create mode 100644 config/bootstrap-native.mk >>> >>> diff --git a/config/bootstrap-native.mk b/config/bootstrap-native.mk >>> new file mode 100644 >>> index 000000000000..a4a3d8594089 >>> --- /dev/null >>> +++ b/config/bootstrap-native.mk >>> @@ -0,0 +1 @@ >>> +BOOT_CFLAGS := -march=native -mtune=native $(BOOT_CFLAGS) >>> diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi >>> index 4973f195daf9..29827c5106f8 100644 >>> --- a/gcc/doc/install.texi >>> +++ b/gcc/doc/install.texi >>> @@ -3052,6 +3052,12 @@ Removes any @option{-O}-started option from >>> @code{BOOT_CFLAGS}, and adds >>> @itemx @samp{bootstrap-Og} >>> Analogous to @code{bootstrap-O1}. >>> >>> +@item @samp{bootstrap-native} >>> +@itemx @samp{bootstrap-native} >>> +Optimize the compiler code for the build host, if supported by the >>> +architecture. Note this only affects the compiler, not the targeted >>> +code. If you want the later use @samp{--with-cpu}. >>> + >>> @item @samp{bootstrap-lto} >>> Enables Link-Time Optimization for host tools during bootstrapping. >>> @samp{BUILD_CONFIG=bootstrap-lto} is equivalent to adding
