src/sys/amd64/include/cpufunc.h, branch stable/13 FreeBSD source tree https://cgit-dev.freebsd.org/src/atom?h=stable%2F13 2023-08-23T17:43:20Z sys: Remove $FreeBSD$: two-line .h pattern 2023-08-23T17:43:20Z Warner Losh imp@FreeBSD.org 2023-08-22T01:31:02Z urn:sha1:f8167e0404dab9ffeaca95853dd237ab7c587f82 Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/ Similar commit in current: (cherry picked from commit 95ee2897e98f) x86: cpufunc: Add rdtsc_ordered() 2021-10-10T09:21:16Z Adam Fenn adam@fenn.io 2021-07-28T17:12:00Z urn:sha1:9ba8ea3f05225d0cea3d5d3f656217287c90d3c7 (cherry picked from commit 652ae7b11485d9f991ea66a56aa79d4dd9cd1103) x86: cpufunc: Add rdtscp_aux() 2021-10-10T09:21:16Z Adam Fenn adam@fenn.io 2021-07-26T19:59:55Z urn:sha1:60490b72ba46b6c9e82be047fa8738379bf81310 (cherry picked from commit 908e277230ef1a80589f85687f5b422b0e863e79) amd64: use compiler intrinsics for bsf* and bsr* 2021-02-04T18:01:08Z Mateusz Guzik mjg@FreeBSD.org 2021-01-31T23:35:30Z urn:sha1:6d3ce617f398d4066780555210270b97c30e7c0e (cherry picked from commit aae89f6f09576351cc3a9a54959649e60fdd849b) amd64: use builtins for all ffs* variants 2021-01-14T14:37:22Z Mateusz Guzik mjg@FreeBSD.org 2021-01-14T12:33:24Z urn:sha1:37bd3aa6fac8ed2eda86e06f1aff854ed8b6acd8 While here even up whitespace. x86: Add rdtscp32() into cpufunc.h. 2021-01-10T02:42:34Z Konstantin Belousov kib@FreeBSD.org 2021-01-09T20:39:19Z urn:sha1:45974de8fb23710873417f1d2ca513761da6cacc Suggested by: markj MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D27986 amd64: patch ffsl to use the compiler builtin 2020-07-16T11:28:24Z Mateusz Guzik mjg@FreeBSD.org 2020-07-16T11:28:24Z urn:sha1:c4e64133d881ca446a95ec5c2cfb6a4d138507eb This shortens fdalloc by over 60 bytes. Correctness verified by running both variants at the same time and comparing the result of each call. Note someone(tm) should make a pass at converting everything else feasible. amd64: plug spurious cld instructions 2019-10-08T21:14:11Z Mateusz Guzik mjg@FreeBSD.org 2019-10-08T21:14:11Z urn:sha1:fa43c5d49e09c9bab2f2e2dd2e895a81297a20aa ABI already guarantees the direction is forward. Note this does not take care of i386-specific cld's. Reviewed by: kib Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D21906 Provide convenience C wrappers for RDPKRU and WRPKRU instructions. 2019-02-19T19:17:20Z Konstantin Belousov kib@FreeBSD.org 2019-02-19T19:17:20Z urn:sha1:5ddeaf67c63b0454ac99186b9b953684721253fd Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 3 days Differential revision: https://reviews.freebsd.org/D18893 Add clwb(). 2018-10-16T17:00:42Z Konstantin Belousov kib@FreeBSD.org 2018-10-16T17:00:42Z urn:sha1:9d5d89b209e660c2fc55783cb14a5419a9af6098 Reviewed by: alc, markj Sponsored by: The FreeBSD Foundation Approved by: re (gjb) MFC after: 3 days Differential revision: https://reviews.freebsd.org/D17070