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.
Thanks,
Sebastian
