# gcc -Q -v -c foo.c
Используются внутренние спецификации.
COLLECT_GCC=gcc
Целевая архитектура: i686-pc-linux-gnu
Параметры конфигурации: /build/gcc/src/gcc-4.9.2/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --enable-cloog-backend=isl --enable-lto --enable-plugin --enable-install-libiberty --with-linker-hash-style=gnu --disable-multilib --disable-werror --enable-checking=release
Модель многопоточности: posix
gcc версия 4.9.2 (GCC)
COLLECT_GCC_OPTIONS='-Q' '-v' '-c' '-mtune=generic' '-march=pentiumpro'
 /usr/lib/gcc/i686-pc-linux-gnu/4.9.2/cc1 -v foo.c -dumpbase foo.c -mtune=generic -march=pentiumpro -auxbase foo -version -o /tmp/ccfpNZ71.s
GNU C (GCC) версия 4.9.2 (i686-pc-linux-gnu)
	скомпилировано GNU C версия 4.9.2, Версия GMP 6.0.0, версия MPFR 3.1.2-p10, версия MPC 1.0.2
эвристики GGC: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
несуществующий каталог "/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/../../../../i686-pc-linux-gnu/include" проигнорирован
порядок поиска для #include "...":
порядок поиска для #include <...>:
 /usr/lib/gcc/i686-pc-linux-gnu/4.9.2/include
 /usr/local/include
 /usr/lib/gcc/i686-pc-linux-gnu/4.9.2/include-fixed
 /usr/include
Конец списка поиска.
GNU C (GCC) версия 4.9.2 (i686-pc-linux-gnu)
	скомпилировано GNU C версия 4.9.2, Версия GMP 6.0.0, версия MPFR 3.1.2-p10, версия MPC 1.0.2
эвристики GGC: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
переданы ключи:  -v foo.c -mtune=generic -march=pentiumpro
активные ключи:  -faggressive-loop-optimizations
 -fasynchronous-unwind-tables -fauto-inc-dec -fcommon
 -fdelete-null-pointer-checks -fdwarf2-cfi-asm -fearly-inlining
 -feliminate-unused-debug-types -ffunction-cse -fgcse-lm -fgnu-runtime
 -fgnu-unique -fident -finline-atomics -fira-hoist-pressure
 -fira-share-save-slots -fira-share-spill-slots -fivopts
 -fkeep-static-consts -fleading-underscore -fmath-errno
 -fmerge-debug-strings -fpcc-struct-return -fpeephole
 -fprefetch-loop-arrays -fsched-critical-path-heuristic
 -fsched-dep-count-heuristic -fsched-group-heuristic -fsched-interblock
 -fsched-last-insn-heuristic -fsched-rank-heuristic -fsched-spec
 -fsched-spec-insn-heuristic -fsched-stalled-insns-dep -fshow-column
 -fsigned-zeros -fsplit-ivs-in-unroller -fstrict-volatile-bitfields
 -fsync-libcalls -ftrapping-math -ftree-coalesce-vars -ftree-cselim
 -ftree-forwprop -ftree-loop-if-convert -ftree-loop-im -ftree-loop-ivcanon
 -ftree-loop-optimize -ftree-parallelize-loops= -ftree-phiprop
 -ftree-reassoc -ftree-scev-cprop -funit-at-a-time -funwind-tables
 -fvar-tracking -fvar-tracking-assignments -fzero-initialized-in-bss -m32
 -m80387 -m96bit-long-double -malign-stringops
 -mavx256-split-unaligned-load -mavx256-split-unaligned-store
 -mfancy-math-387 -mfp-ret-in-387 -mglibc -mieee-fp -mlong-double-80
 -mno-red-zone -mno-sse4 -mpush-args -msahf -mtls-direct-seg-refs
Compiler executable checksum: e808346e6dc2d10514ddcd800e214d24
 power main
Analyzing compilation unit
Performing interprocedural optimizations
 <*free_lang_data> <visibility> <early_local_cleanups> <*free_inline_summary> <whole-program> <inline>Assembling functions:
 power main
Execution times (seconds)
 phase setup             :   0.01 (50%) usr   0.00 ( 0%) sys   0.00 ( 0%) wall     521 kB (58%) ggc
 phase parsing           :   0.00 ( 0%) usr   0.01 (100%) sys   0.02 (50%) wall     309 kB (35%) ggc
 phase opt and generate  :   0.01 (50%) usr   0.00 ( 0%) sys   0.01 (25%) wall      54 kB ( 6%) ggc
 trivially dead code     :   0.00 ( 0%) usr   0.00 ( 0%) sys   0.01 (25%) wall       0 kB ( 0%) ggc
 preprocessing           :   0.00 ( 0%) usr   0.01 (100%) sys   0.01 (25%) wall     136 kB (15%) ggc
 parser (global)         :   0.00 ( 0%) usr   0.00 ( 0%) sys   0.01 (25%) wall     162 kB (18%) ggc
 rest of compilation     :   0.01 (50%) usr   0.00 ( 0%) sys   0.00 ( 0%) wall       2 kB ( 0%) ggc
 TOTAL                 :   0.02             0.01             0.04                894 kB
COLLECT_GCC_OPTIONS='-Q' '-v' '-c' '-mtune=generic' '-march=pentiumpro'
 as -v --32 -o foo.o /tmp/ccfpNZ71.s
GNU ассемблер, версия 2.24 (i686-pc-linux-gnu); используется BFD версии (GNU Binutils) 2.24
COMPILER_PATH=/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/:/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/:/usr/lib/gcc/i686-pc-linux-gnu/:/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/:/usr/lib/gcc/i686-pc-linux-gnu/
LIBRARY_PATH=/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/:/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-Q' '-v' '-c' '-mtune=generic' '-march=pentiumpro'