ping.
> On Wed, Apr 1, 2020 at 9:23 AM Hongtao Liu <crazy...@gmail.com> wrote: >> >> Hi: >> This patch is about to enable GCC support for SERIALIZE which would >> be in GLC. There's only 1 instruction: SERIALIZE, more details please >> refer to >> https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf >> I know it's stage4 right now, and patches are approved only for bug >> fixed, but since many users prefer to use release version other than >> build from trunk, i'd like to see this patch landed on GCC10, after >> all it's only 1 instruction, without any significant changes. >> >> Bootstrap ok, regression test on i386/x86 backend is ok. > > No, this should wait for gcc-11. > > Uros. > >> gcc/Changelog: >> * gcc/common/config/i386/i386-common.c >> (OPTION_MASK_ISA2_SERIALIZE_SET, >> OPTION_MASK_ISA2_SERIALIZE_UNSET): New macros. >> (ix86_handle_option): Handle -mserialize. >> * gcc/config.gcc (serializeintrin.h): New header file. >> * gcc/config/i386/cpuid.h (bit_SERIALIZE): New bit. >> * gcc/config/i386/driver-i386.c (host_detect_local_cpu): Detect >> -mserialize. >> * gcc/config/i386/i386-builtin.def: Add new builtin. >> * gcc/config/i386/i386-c.c (__SERIALIZE__): New macro. >> * gcc/config/i386/i386-options.c (ix86_target_opts_isa2_opts): >> Add -mserialize. >> * (ix86_valid_target_attribute_inner_p): Add target attribute >> * for serialize. >> * gcc/config/i386/i386.h (TARGET_SERIALIZE, TARGET_SERIALIZE_P): >> New macros. >> * gcc/config/i386/i386.md (UNSPECV_SERIALIZE): New unspec. >> (serialize): New define_insn. >> * gcc/config/i386/i386.opt (mserialize): New option >> * gcc/config/i386/immintrin.h: Include serailizeintrin.h. >> * gcc/config/i386/serializeintrin.h: New header file. >> * gcc/doc/invoke.texi: Add documents for -mserialize. >> >> gcc/testsuite/Changelog >> * gcc/testsuite/gcc.target/i386/serialize-1.c: New test. >> * gcc/testsuite/g++.dg/other/i386-2.C: Add -mserialize. >> * gcc/testsuite/g++.dg/other/i386-3.C: Ditto. >> * gcc/testsuite/gcc.target/i386/sse-12.c: Ditto. >> * gcc/testsuite/gcc.target/i386/sse-13.c: Ditto. >> * gcc/testsuite/gcc.target/i386/sse-14.c: Ditto. >> * gcc/testsuite/gcc.target/i386/sse-22.c: Ditto. >> * gcc/testsuite/gcc.target/i386/sse-23.c: Ditto. >> >> >> >> -- >> BR, >> Hongtao
