https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102519
--- Comment #8 from Aldy Hernandez <aldyh at gcc dot gnu.org> --- (In reply to David Edelsohn from comment #7) > Have you tried a native PPC64LE Linux build? > > AIX defaults to 32 bit, and it's big endian. I wouldn't expect that to > affect the memory usage, but I'm mentioning it. > > Did you try to compiler gcc/testsuite/gcc.target/powerpc/rlwimi-1.c ? Yes. That was the first thing I did. I've also tried ppc32 with setarch ppc32 on gcc135. ppc64le: TOTAL : 34.50 11.83 46.33 540M (OLD) TOTAL : 31.62 11.72 43.34 555M (NEW) -ftime-report -O2 -m32 -mlittle-endian TOTAL : 32.17 11.35 43.53 518M (OLD) TOTAL : 31.89 11.89 43.79 533M (NEW) -ftime-report -O2 -m32 -mbig-endian TOTAL : 29.07 11.24 40.31 518M (OLD) TOTAL : 33.68 12.66 46.34 533M (NEW) These are all on a stage1 compiler