subject:"\[GCC 12\] \[PATCH\] x86\: Add \-mmwait for \-mgeneral\-regs\-only"

Re: [GCC 12] [PATCH] x86: Add -mmwait for -mgeneral-regs-only

2021-04-21 Thread Uros Bizjak via Gcc-patches

On Tue, Apr 20, 2021 at 2:12 PM H.J. Lu wrote: > > Add -mmwait so that the MWAIT and MONITOR intrinsics can be used with > -mgeneral-regs-only and make -msse3 to imply -mmwait. > > gcc/ > > * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and > x86_64-*-* targets. > *

[GCC 12] [PATCH] x86: Add -mmwait for -mgeneral-regs-only

2021-04-20 Thread H.J. Lu via Gcc-patches

Add -mmwait so that the MWAIT and MONITOR intrinsics can be used with -mgeneral-regs-only and make -msse3 to imply -mmwait. gcc/ * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and x86_64-*-* targets. * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):