Just as a FYI, "-fomit-frame-pointer" is included in "-O -O2 -O3 -Os" according to: "http://gcc.gnu.org/onlinedocs/gcc-3.3.2/gcc/Optimize-Options.html";.
-Nathan >-----Original Message----- >From: Peter Ruskin [mailto:[EMAIL PROTECTED] >Sent: Wednesday, October 29, 2003 1:31 AM >To: [EMAIL PROTECTED] >Subject: Re: [gentoo-user] gcc optimizations > > >On Tuesday 28 Oct 2003 20:47, Javier Villavicencio wrote: >> -O2 -frename-regs = FASTER than -O2 >> >> I'll post my complete benchmarked results ASAP. It includes many more >> CFLAGS (but for my architecture only, an AMD Athlon-XP). > >Hmmm, I tried: >CFLAGS="-march=athlon-xp -O2 -frename-regs -fomit-frame-pointer -pipe" > >...and emerging clanlib-0.6.5-r1 failed with something like >'gcc cannot >make executables'. > >Removing -frename-regs from the CFLAGS solved that problem. > >Peter >-- >====================================================================== >Portage 2.0.49-r15 (default-x86-1.4, gcc-3.2.3, glibc-2.3.2-r1, >2.4.23_pre8-gss) >i686 AMD Athlon(tm) XP 3200+ >====================================================================== > > >-- >[EMAIL PROTECTED] mailing list > -- [EMAIL PROTECTED] mailing list
