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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-10-02 07:51:48 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-10-02 07:51:57 -0700 |
| commit | a1ccc0654b4e858022bed10f4fb5d5ab6df58b62 (patch) | |
| tree | 37f5fec387b51763513493cd5149b71589f77dab /include/string.h | |
| parent | 0b727ed4d605d9318cb0d323c88abb0d5a441a9b (diff) | |
| download | glibc-a1ccc0654b4e858022bed10f4fb5d5ab6df58b62.tar.gz glibc-a1ccc0654b4e858022bed10f4fb5d5ab6df58b62.tar.xz glibc-a1ccc0654b4e858022bed10f4fb5d5ab6df58b62.zip | |
x86: Use RTM intrinsics in pthread mutex lock elision
Since RTM intrinsics are supported in GCC 4.9, we can use them in pthread mutex lock elision. * sysdeps/unix/sysv/linux/x86/Makefile (CFLAGS-elision-lock.c): Add -mrtm. (CFLAGS-elision-unlock.c): Likewise. (CFLAGS-elision-timed.c): Likewise. (CFLAGS-elision-trylock.c): Likewise. * sysdeps/unix/sysv/linux/x86/hle.h: Rewritten.
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