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From: "slyfox at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/111619] [14 regression] 'make
 profiledbootstrap' makes 10+ minutes on insn-recog.cc (x86_64-linux)
Date: Thu, 28 Sep 2023 05:46:19 +0000
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X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: compile-time-hog
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Message-ID: <bug-111619-4-VKXE8mAfyQ@http.gcc.gnu.org/bugzilla/>
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111619

--- Comment #6 from Sergei Trofimovich <slyfox at gcc dot gnu.org> ---
And here is fomr completeness default checking with CC=3D'gcc -g -O2' CXX=
=3D'g++ -g
-O2':

$ ~/dev/git/gcc/configure --disable-multilib --enable-languages=3Dc,c++ 'CC=
=3Dgcc
-g -O2' 'CXX=3Dg++ -g -O2'

$ /tmp/gb/./prev-gcc/xg++ -B/tmp/gb/./prev-gcc/ -v
Reading specs from /tmp/gb/./prev-gcc/specs
COLLECT_GCC=3D/tmp/gb/./prev-gcc/xg++
COLLECT_LTO_WRAPPER=3D/tmp/gb/./prev-gcc/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /home/slyfox/dev/git/gcc/configure --disable-multilib
--enable-languages=3Dc,c++ CC=3D'gcc -g -O2' CXX=3D'g++ -g -O2'
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.0.0 20230926 (experimental) (GCC)

Result is 1m57s:

$ time /tmp/gb/./prev-gcc/xg++ -B/tmp/gb/./prev-gcc/
-B/usr/local/x86_64-pc-linux-gnu/bin/ -nostdinc++
-B/tmp/gb/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs
-B/tmp/gb/prev-x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs
-I/tmp/gb/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu
-I/tmp/gb/prev-x86_64-pc-linux-gnu/libstdc++-v3/include
-I/home/slyfox/dev/git/gcc/libstdc++-v3/libsupc++
-L/tmp/gb/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs
-L/tmp/gb/prev-x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs -fno-PIE -c=
 -g
-O2 -fno-checking -gtoggle -fprofile-generate -DIN_GCC -fno-exceptions
-fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-stri=
ngs
-Wcast-qual -Wmissing-format-attribute -Wconditionally-supported
-Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -fno-PIE -I. -I.
-I/home/slyfox/dev/git/gcc/gcc -I/home/slyfox/dev/git/gcc/gcc/.
-I/home/slyfox/dev/git/gcc/gcc/../include
-I/home/slyfox/dev/git/gcc/gcc/../libcpp/include
-I/home/slyfox/dev/git/gcc/gcc/../libcody
-I/home/slyfox/dev/git/gcc/gcc/../libdecnumber
-I/home/slyfox/dev/git/gcc/gcc/../libdecnumber/bid -I../libdecnumber
-I/home/slyfox/dev/git/gcc/gcc/../libbacktrace -o insn-recog.o -MT insn-rec=
og.o
-MMD -MP -MF ./.deps/insn-recog.TPo insn-recog.cc

real    1m57,549s
user    1m56,617s
sys     0m0,780s=