https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87256
Sergei Trofimovich <slyfox at inbox dot ru> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |hppa-*
CC| |dave.anglin at bell dot net,
| |law at redhat dot com
--- Comment #1 from Sergei Trofimovich <slyfox at inbox dot ru> ---
Reproducible on today's vanilla gcc-master as well:
./xgcc -B. -v
Reading specs from ./specs
COLLECT_GCC=./xgcc
COLLECT_LTO_WRAPPER=./lto-wrapper
Target: hppa2.0-unknown-linux-gnu
Configured with: ../gcc/configure --target=hppa2.0-unknown-linux-gnu
--prefix=/home/slyfox/dev/git/gcc-hppa2.0/../gcc-hppa2.0-installed
--with-sysroot=/usr/hppa2.0-unknown-linux-gnu --disable-bootstrap
--enable-languages=c --disable-nls CFLAGS='-O2 -g' CXXFLAGS='-O2 -g'
Thread model: posix
gcc version 9.0.0 20180908 (experimental) (GCC)
$ ./xgcc -B. -O2 -fomit-frame-pointer -c -o bug.o bug.c -ftime-report
Time variable usr sys wall
GGC
phase opt and generate : 10.90 (100%) 0.00 ( 0%) 10.91 (100%)
464 kB ( 30%)
df live regs : 0.01 ( 0%) 0.00 ( 0%) 0.00 ( 0%)
0 kB ( 0%)
tree PRE : 0.00 ( 0%) 0.00 ( 0%) 0.01 ( 0%)
23 kB ( 2%)
expand : 10.89 (100%) 0.00 ( 0%) 10.89 (100%)
50 kB ( 3%)
integrated RA : 0.00 ( 0%) 0.00 ( 0%) 0.01 ( 0%)
98 kB ( 6%)
TOTAL : 10.90 0.00 10.91
1543 kB
Extra diagnostic checks enabled; compiler may run slowly.
Configure with --enable-checking=release to disable checks.
$ perf record -- ./xgcc -B. -O2 -fomit-frame-pointer -c -o bug.o bug.c
-ftime-report
$ perf report | cat
96.49% cc1 cc1 [.] synth_mult
2.36% cc1 cc1 [.] optimize_function_for_size_p
0.34% cc1 cc1 [.] optimize_insn_for_size_p
0.32% cc1 cc1 [.] optimize_insn_for_speed_p
0.02% cc1 [kernel.vmlinux] [k] native_irq_return_iret
