On Thu, Oct 29, 2020 at 12:11 PM H.J. Lu <hjl.to...@gmail.com> wrote: > > Add the --enable-pgo-build[=lto] configure option. When binutils+gdb > is not built together with GCC, --enable-pgo-build enables the PGO build: > > 0. Pass --plugin to AR and RANLIB. > 1. First build with -fprofile-generate. > 2. Use "make maybe-check-*" to generate profiling data. > 3. Use "make clean" to remove the previous build. > 4. Rebuild with -fprofile-use. > > > H.J. Lu (3): > GCC: Pass --plugin to AR and RANLIB > Binutils: Pass --plugin to AR and RANLIB > Support the PGO build for binutils+gdb > > Makefile.in | 63 ++++++++++++- > Makefile.tpl | 63 ++++++++++++- > bfd/configure | 27 +++++- > binutils/configure | 27 +++++- > config/gcc-plugin.m4 | 28 ++++++ > configure | 139 ++++++++++++++++++++++++++- > configure.ac | 80 ++++++++++++++++ > gas/configure | 27 +++++- > gprof/configure | 27 +++++- > ld/configure | 27 +++++- > libctf/configure | 27 +++++- > libiberty/Makefile.in | 5 +- > libiberty/aclocal.m4 | 1 + > libiberty/configure | 37 ++++++++ > libiberty/configure.ac | 12 +++ > libtool.m4 | 25 ++++- > opcodes/configure | 27 +++++- > zlib/configure | 206 ++++++++++++++++++++++++++++++++++++++++- > 18 files changed, 818 insertions(+), 30 deletions(-) >
Any comments from GCC and GDB: https://sourceware.org/pipermail/binutils/2020-October/113943.html -- H.J.
