Since commit e154242724 the flag -many is
sometimes not passed to the assembler. Use .machine ppc to prevent
errors if these files are assembled for an ISA which does not support
FPRs.
libgcc/
* config/rs6000/crtresfpr.S: Use .machine ppc.
* config/rs6000/crtresxfpr.S: Likewise.
* config/rs6000/crtsavfpr.S: Likewise.