On Mon, Jun 26, 2017 at 10:33:48PM -0500, Peter Bergner wrote: > Tulio added support for two new AT_HWCAP2 bits to GLIBC which have been > recently added to the kernel: > > https://www.sourceware.org/ml/libc-alpha/2017-06/msg00069.html > > This patch adds support for them to the __builtin_cpu_supports() builtin > function so we can test for them. > > Tested on powerpc64le-linux with no regressions. Is this ok for trunk?
Okay. Could we use a shared (with glibc) header, or reduce duplication some other way? Segher > * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define. > (PPC_FEATURE2_SCV): Likewise. > * config/rs6000/rs6000.c (cpu_supports_info): Use them. > > gcc/testsuite/ > * gcc.target/powerpc/cpu-builtin-1.c (darn, scv): Add tests.