M R Swami Reddy wrote: > Hello Andrew, > I used the -O1 and options listed with --verbose-asm separately, but the > generated .s file differs. Did I miss some more options apart from the > --verbose-asm listed? > > For ex: > > gcc -O1 test.c -S -o test-o1.s > > > gcc test.c "option listed in .s file with -version" -S -o > test-listopts.s > > test-o1.s and test-listopts.s are differs. They do, and that's right. Unless you select -O you don't get any optimizations, no matter what other flags you set. Andrew.
