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3 Commits

Author SHA1 Message Date
Joseph Myers
688903eb3e Update copyright dates with scripts/update-copyrights. 
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
 2018-01-01 00:32:25 +00:00
Joseph Myers
e4602cba2f Use libm_alias_float for i386. 
Continuing the preparation for additional _FloatN / _FloatNx function
aliases, this patch makes i386 libm function implementations use
libm_alias_float (or libm_alias_float_other in cases where the main
symbol name is defined with versioned_symbol) to define function
aliases.

Tested with build-many-glibcs.py for all its i386 configurations that
installed stripped shared libraries are unchanged by the patch, as
well as running the full glibc testsuite for i686.

	* sysdeps/i386/fpu/s_asinhf.S: Include <libm-alias-float.h>.
	(asinhf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_atanf.S: Include <libm-alias-float.h>.
	(atanf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_cbrtf.S: Include <libm-alias-float.h>.
	(cbrtf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_ceilf.S: Include <libm-alias-float.h>.
	(ceilf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_copysignf.S: Include <libm-alias-float.h>.
	(copysignf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_expm1f.S: Include <libm-alias-float.h>.
	(expm1f): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_fabsf.S: Include <libm-alias-float.h>.
	(fabsf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_floorf.S: Include <libm-alias-float.h>.
	(floorf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_fmaxf.S: Include <libm-alias-float.h>.
	(fmaxf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_fminf.S: Include <libm-alias-float.h>.
	(fminf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_frexpf.S: Include <libm-alias-float.h>.
	(frexpf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_llrintf.S: Include <libm-alias-float.h>.
	(llrintf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_logbf.S: Include <libm-alias-float.h>.
	(logbf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_lrintf.S: Include <libm-alias-float.h>.
	(lrintf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_nearbyintf.S: Include <libm-alias-float.h>.
	(nearbyintf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_remquof.S: Include <libm-alias-float.h>.
	(remquof): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_rintf.S: Include <libm-alias-float.h>.
	(rintf): Define using libm_alias_float.
	* sysdeps/i386/fpu/s_truncf.S: Include <libm-alias-float.h>.
	(truncf): Define using libm_alias_float.
	* sysdeps/i386/i686/fpu/multiarch/e_exp2f.c: Include
	<libm-alias-float.h>.
	(exp2f): Define using libm_alias_float, or libm_alias_float_other
	if [SHARED].
	* sysdeps/i386/i686/fpu/multiarch/e_expf.c: Include
	<libm-alias-float.h>.
	(expf): Define using libm_alias_float, or libm_alias_float_other
	if [SHARED].
	* sysdeps/i386/i686/fpu/multiarch/e_log2f.c: Include
	<libm-alias-float.h>.
	(log2f): Define using libm_alias_float, or libm_alias_float_other
	if [SHARED].
	* sysdeps/i386/i686/fpu/multiarch/e_logf.c: Include
	<libm-alias-float.h>.
	(logf): Define using libm_alias_float, or libm_alias_float_other
	if [SHARED].
	* sysdeps/i386/i686/fpu/multiarch/e_powf.c: Include
	<libm-alias-float.h>.
	(powf): Define using libm_alias_float, or libm_alias_float_other
	if [SHARED].
	* sysdeps/i386/i686/fpu/multiarch/s_cosf.c: Include
	<libm-alias-float.h>.
	(cosf): Define using libm_alias_float.
	* sysdeps/i386/i686/fpu/multiarch/s_sincosf.c: Include
	<libm-alias-float.h>.
	(sincosf): Define using libm_alias_float.
	* sysdeps/i386/i686/fpu/multiarch/s_sinf.c: Include
	<libm-alias-float.h>.
	(sinf): Define using libm_alias_float.
	* sysdeps/i386/i686/fpu/s_fmaxf.S: Include <libm-alias-float.h>.
	(fmaxf): Define using libm_alias_float.
	* sysdeps/i386/i686/fpu/s_fminf.S: Include <libm-alias-float.h>.
	(fminf): Define using libm_alias_float.
	* sysdeps/i386/i686/multiarch/s_fmaf.c: Include
	<libm-alias-float.h>.
	(fmaf): Define using libm_alias_float.
 2017-11-29 00:10:35 +00:00
H.J. Lu
6089a3ee24 i386: Replace assembly versions of e_log2f with generic e_log2f.c 
This patch replaces i386 assembly versions of e_log2f with generic
e_log2f.c.  For workload-spec2017.wrf, on Nehalem, it improves
performance by:

                           Before            After     Improvement
reciprocal-throughput      92.3845          30.8752       199%
latency                    112.855          54.8645       105%

On Skylake, it improves performance by:

                           Before            After     Improvement
reciprocal-throughput      98.7488          22.7507       334%
latency                    118.01           51.6083       128%

On IvyBridge with --disable-multi-arch, it improves performance by:

                           Before            After     Improvement
reciprocal-throughput      106.635          28.8596       269%
latency                    129.888          56.9187       128%

	* sysdeps/i386/fpu/e_log2f.S: Removed.
	* sysdeps/i386/fpu/e_log2f_data.c: Likewise.
	* sysdeps/i386/fpu/w_log2f.c: Likewise.
	* sysdeps/i386/fpu/libm-test-ulps: Updated for generic e_log2f.c.
	* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
	* sysdeps/i386/i686/fpu/multiarch/Makefile (libm-sysdep_routines):
	Add e_log2f-sse2.
	(CFLAGS-e_log2f-sse2.c): New.
	* sysdeps/i386/i686/fpu/multiarch/e_log2f-sse2.c: New file.
	* sysdeps/i386/i686/fpu/multiarch/e_log2f.c: Likewise.
 2017-10-22 08:10:18 -07:00