subject:"\[PATCH v2\] powerpc\/32\: Avoid unsupported flags with clang"

Re: [PATCH v2] powerpc/32: Avoid unsupported flags with clang

2018-11-12 Thread Nick Desaulniers

On Sun, Nov 11, 2018 at 9:28 PM Joel Stanley wrote: > > When building for ppc32 with clang these flags are unsupported: > > -ffixed-r2 and -mmultiple > > llvm's lib/Target/PowerPC/PPCRegisterInfo.cpp marks r2 as reserved on > when building for SVR4ABI and !ppc64: > > // The SVR4 ABI reserves r

[PATCH v2] powerpc/32: Avoid unsupported flags with clang

2018-11-11 Thread Joel Stanley

When building for ppc32 with clang these flags are unsupported: -ffixed-r2 and -mmultiple llvm's lib/Target/PowerPC/PPCRegisterInfo.cpp marks r2 as reserved on when building for SVR4ABI and !ppc64: // The SVR4 ABI reserves r2 and r13 if (Subtarget.isSVR4ABI()) { // We only reserve r2 i