power, power2, rios, rios1, rios2, rsc, rsc2 support was removed. rs64a never was a supported option; it's spelled rs64. power5+ and powerpc64le are supported options but could not be set as default.
Segher 2017-02-13 Segher Boessenkool <[email protected]> * config.gcc (supported_defaults) [powerpc*-*-*]: Update. --- gcc/config.gcc | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/gcc/config.gcc b/gcc/config.gcc index c7d3899..3d3bf65 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -4260,8 +4260,9 @@ case "${target}" in eval "with_$which=405" ;; "" | common | native \ - | power | power[23456789] | power6x | powerpc | powerpc64 \ - | rios | rios1 | rios2 | rsc | rsc1 | rs64a \ + | power[3456789] | power5+ | power6x \ + | powerpc | powerpc64 | powerpc64le \ + | rs64 \ | 401 | 403 | 405 | 405fp | 440 | 440fp | 464 | 464fp \ | 476 | 476fp | 505 | 601 | 602 | 603 | 603e | ec603e \ | 604 | 604e | 620 | 630 | 740 | 750 | 7400 | 7450 \ -- 1.9.3
