gcc optimization default
This option is the default for optimized compilation if the assembler and linker support it. Use -fno-merge-constants to inhibit this behavior. Enabled at levels -O , - ... ,This option is the default for optimized compilation if the assembler and linker support it. Use -fno-merge-constants to inhibit this behavior. Enabled at levels -O , - ...
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 gcc optimization default 相關參考資料
How many GCC optimization levels are there? - Stack Overflow
-O0 (do no optimization, the default if no optimization level is specified); -O1 (optimize minimally); -O2 (optimize more); -O3 (optimize even more) ... https://stackoverflow.com Optimize Options - Using the GNU Compiler Collection (GCC)
This option is the default for optimized compilation if the assembler and linker support it. Use -fno-merge-constants to inhibit this behavior. Enabled at levels -O , - ... https://gcc.gnu.org Using the GNU Compiler Collection (GCC): Optimize Options
This option is the default for optimized compilation if the assembler and linker support it. Use -fno-merge-constants to inhibit this behavior. Enabled at levels -O , - ... https://gcc.gnu.org Optimization Levels - GCC, the GNU Compiler Collection
The default is optimization off. This results in the fastest compile times, but GNAT makes absolutely no attempt to optimize, and the generated programs are ... https://gcc.gnu.org gcc -o -O option flags (output optimization) - RapidTables
https://www.rapidtables.com Optimize Options (Using the GNU Compiler Collection (GCC))
The default is -fbranch-count-reg at -O1 and higher, except for -Og . -fno-function-cse. Do not put function addresses in registers; make each instruction that calls a ... https://gcc.gnu.org |