Hello guys, Here is a patch which adds support of first part of Intel TSX extensions.
Could you please have a look?
ChangeLog entry:
2012-02-16 Kirill Yukhin <kirill.yuk...@intel.com>
* common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET):
New.
(OPTION_MASK_ISA_RTM_UNSET): Ditto.
(ix86_handle_option): Handle OPT_mrtm.
* config.gcc (i[34567]86-*-*): Add rtmintrin.h and
xtestintrin.h.
(x86_64-*-*): Ditto.
* i386-builtin-types.def (CHAR_FTYPE_VOID, INT_FTYPE_VOID):
New.
* config/i386/i386-c.c (ix86_target_macros_internal): Define
__RTM__ if needed.
(ix86_target_string): Define -mrtm option.
(PTA_RTM): New.
(ix86_option_override_internal): Extend "cirei7-avx" with
RTM option. Handle new option.
(ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
(ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
IX86_BUILTIN_XTEST.
(bdesc_special_args): Ditto.
(ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
(ix86_expand_special_args_builtin): Handle new built-in types.
(ix86_expand_builtin): Handle XABORT instruction.
* config/i386/i386.h (TARGET_RTM): New.
* config/i386/i386.md (UNSPECV_XBEGIN): New.
(UNSPECV_XEND): Ditto.
(UNSPECV_XABORT): Ditto.
(UNSPECV_XTEST): Ditto.
(xbegin): Ditto.
(xbegin_1): Ditto.
(xend): Ditto.
(xabort): Ditto
(xtest): Ditto.
(xtest_1): Ditto.
* config/i386/i386.opt (mrtm): New.
* config/i386/immintrin.h: Include rtmintrin.h and
xtestintrin.h.
* config/i386/rtmintrin.h: New header.
* config/i386/xtestintrin.h: Ditto.
testsuite/ChangeLog entry:
2012-02-16 Kirill Yukhin <kirill.yuk...@intel.com>
* gcc.target/i386/rtm-xabort-1.c: New.
* gcc.target/i386/rtm-xbegin-1.c: Ditto.
* gcc.target/i386/rtm-xend-1.c: Ditto.
* gcc.target/i386/rtm-xtest-1.c: Ditto.
Testing passed, bootstrap passed on trunk.
BTW, I have no idea, where we can commit that? Seems, 4.7.0 is closed
for such features...
Thanks, K
rtm.gcc.patch
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