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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 /sysdeps/unix/sysv/linux/x86/Makefile | |
| parent | 0b727ed4d605d9318cb0d323c88abb0d5a441a9b (diff) | |
| download | glibc-a1ccc0654b4e858022bed10f4fb5d5ab6df58b62.tar glibc-a1ccc0654b4e858022bed10f4fb5d5ab6df58b62.tar.gz glibc-a1ccc0654b4e858022bed10f4fb5d5ab6df58b62.tar.bz2 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.
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86/Makefile')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86/Makefile | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86/Makefile b/sysdeps/unix/sysv/linux/x86/Makefile index 7dc4e61756..02ca36c6d2 100644 --- a/sysdeps/unix/sysv/linux/x86/Makefile +++ b/sysdeps/unix/sysv/linux/x86/Makefile @@ -14,6 +14,10 @@ endif ifeq ($(subdir),nptl) libpthread-sysdep_routines += elision-lock elision-unlock elision-timed \ elision-trylock +CFLAGS-elision-lock.c += -mrtm +CFLAGS-elision-unlock.c += -mrtm +CFLAGS-elision-timed.c += -mrtm +CFLAGS-elision-trylock.c += -mrtm endif ifeq ($(subdir),elf) |