On Tue, May 8, 2018 at 1:58 PM, Peryt, Sebastian <sebastian.pe...@intel.com> wrote: > Sorry, forgot attachment. > > Sebastian > > > -----Original Message----- > From: Peryt, Sebastian > Sent: Tuesday, May 8, 2018 1:56 PM > To: gcc-patches@gcc.gnu.org > Cc: Uros Bizjak <ubiz...@gmail.com>; Kirill Yukhin <kirill.yuk...@gmail.com>; > Peryt, Sebastian <sebastian.pe...@intel.com> > Subject: [PATCH][i386] Adding CLDEMOTE instruction > > Hi, > > This patch adds support for CLDEMOTE instruction. > > Is it ok for trunk and after few day for backport to GCC-8? > > 2018-05-08 Sebastian Peryt <sebastian.pe...@intel.com> > > gcc/ > > * common/config/i386/i386-common.c (OPTION_MASK_ISA_CLDEMOTE_SET, > OPTION_MASK_ISA_CLDEMOTE_UNSET): New defines. > (ix86_handle_option): Handle -mcldemote. > * config.gcc: New header. > * config/i386/cldemoteintrin.h: New file. > * config/i386/cpuid.h (bit_CLDEMOTE): New bit. > * config/i386/driver-i386.c (host_detect_local_cpu): Detect > -mcldemote. > * config/i386/i386-c.c (ix86_target_macros_internal): Handle > OPTION_MASK_ISA_CLDEMOTE. > * config/i386/i386.c (ix86_target_string): Added -mcldemote. > (ix86_valid_target_attribute_inner_p): Ditto. > (enum ix86_builtins): Added IX86_BUILTIN_CLDEMOTE. > (ix86_init_mmx_sse_builtins): Define __builtin_ia32_cldemote. > (ix86_expand_builtin): Expand IX86_BUILTIN_CLDEMOTE. > * config/i386/i386.h (TARGET_CLDEMOTE, TARGET_CLDEMOTE_P): New. > * config/i386/i386.md (UNSPECV_CLDEMOTE): New. > (cldemote): New. > * config/i386/i386.opt: Added -mcldemote. > * config/i386/x86intrin.h: New header. > * doc/invoke.texi: Added -mcldemote. > > 2018-05-08 Sebastian Peryt <sebastian.pe...@intel.com> > > gcc/testsuite/ > > * gcc.target/i386/cldemote-1.c: New test.
OK for mainline. is there a compelling reason why we want this new feature in gcc-8 release branch? Thanks, Uros.
