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72771e5375
glibc/sysdeps/i386/i686
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H.J. Lu 72771e5375 x86: Use _rdtsc intrinsic for HP_TIMING_NOW 
Since _rdtsc intrinsic is supported in GCC 4.9, we can use it for
HP_TIMING_NOW.  This patch

1. Create x86 hp-timing.h to replace i686 and x86_64 hp-timing.h.
2. Move MINIMUM_ISA from init-arch.h to isa.h so that x86 hp-timing.h
can check minimum x86 ISA to decide if _rdtsc can be used.

NB: Checking if __i686__ isn't sufficient since __i686__ may not be
defined when building for i686 class processors.

	* sysdeps/i386/init-arch.h: Removed.
	* sysdeps/i386/i586/init-arch.h: Likewise.
	* sysdeps/i386/i686/init-arch.h: Likewise.
	* sysdeps/i386/i686/hp-timing.h: Likewise.
	* sysdeps/x86_64/hp-timing.h: Likewise.
	* sysdeps/i386/isa.h: New file.
	* sysdeps/i386/i586/isa.h: Likewise.
	* sysdeps/i386/i686/isa.h: Likewise.
	* sysdeps/x86_64/isa.h: Likewise.
	* sysdeps/x86/hp-timing.h: New file.
	* sysdeps/x86/init-arch.h: Include <isa.h>.
2018-10-17 15:16:45 -07:00
..
fpu math: Update i686 ulps 2018-06-01 19:32:18 +02:00
multiarch x86: Don't include <init-arch.h> in assembly codes 2018-08-03 08:05:00 -07:00
nptl Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
add_n.S i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S 2018-07-17 16:11:44 -07:00
bcopy.S Optimize 32bit memset/memcpy with SSE2/SSSE3. 2010-01-12 11:22:03 -08:00
bzero.S Replace BZERO_P/PIC with USE_AS_BZERO/SHARED 2015-08-26 08:01:03 -07:00
dl-hash.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
ffs.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
isa.h x86: Use _rdtsc intrinsic for HP_TIMING_NOW 2018-10-17 15:16:45 -07:00
Makefile Remove remnants of .og patterns 2016-09-20 12:18:13 +02:00
memcmp.S i386: Use _CET_NOTRACK in i686/memcmp.S 2018-07-18 07:56:58 -07:00
memcpy.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memmove.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mempcpy.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memset.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memusage.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
pthread_spin_trylock.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
stack-aliasing.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
strcmp.S Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-stack-align.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00