gcc/ * common/config/i386/i386-common.c (OPTION_MASK_ISA_PKU_SET): New. (OPTION_MASK_ISA_PKU_UNSET): Ditto. (ix86_handle_option): Handle OPT_mpku. * config.gcc: Add pkuintrin.h to i[34567]86-*-* and x86_64-*-* targets. * config/i386/cpuid.h (host_detect_local_cpu): Detect PKU feature. * config/i386/i386-c.c (ix86_target_macros_internal): Handle PKU ISA flag. * config/i386/i386.c (ix86_target_string): Add "-mpku" to ix86_target_opts. (ix86_option_override_internal): Define PTA_PKU, mention new key in skylake-avx512. Handle new ISA bits. (ix86_valid_target_attribute_inner_p): Add "pku". (enum ix86_builtins): Add IX86_BUILTIN_RDPKRU and IX86_BUILTIN_WRPKRU. (builtin_description bdesc_special_args[]): Add new built-ins. * config/i386/i386.h (define TARGET_PKU): New. (define TARGET_PKU_P): Ditto. * config/i386/i386.md (define_c_enum "unspecv"): Add UNSPEC_PKU. (define_expand "rdpkru"): New. (define_insn "*rdpkru"): Ditto. (define_expand "wrpkru"): Ditto. (define_insn "*wrpkru"): Ditto. * config/i386/i386.opt (mpku): Ditto. * config/i386/pkuintrin.h: New file. * config/i386/x86intrin.h: Include pkuintrin.h * doc/extend.texi: Describe new built-ins. * doc/invoke.texi: Describe new switches. gcc/testsuite/ * g++.dg/other/i386-2.C: Add -mpku. * g++.dg/other/i386-3.C: Ditto. * gcc.target/i386/rdpku-1.c: New test. * gcc.target/i386/sse-12.c: Add -mpku. * gcc.target/i386/sse-13.c: Ditto. * gcc.target/i386/sse-22.c: Ditto. * gcc.target/i386/sse-33.c: Ditto. * gcc.target/i386/wrpku-1.c: New test. From-SVN: r231944
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