mirror/glibc - mirror of git://sourceware.org/git/glibc.git

	Commit message (Collapse)	Author	Age	Files	Lines
*	Update copyright dates with scripts/update-copyrights.	Joseph Myers	2018-01-01	1	-1/+1
\| \| \| \| \| \| \|	* 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.
*	Use libm_alias_float for x86_64.	Joseph Myers	2017-11-29	1	-1/+4
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	Continuing the preparation for additional _FloatN / _FloatNx function aliases, this patch makes x86_64 libm function implementations use libm_alias_float to define function aliases, or libm_alias_float_other where the main name is defined with versioned_symbol. Tested with the glibc testsuite for x86_64, and tested with build-many-glibcs.py for all its x86_64 configurations that installed stripped shared libraries are unchanged by the patch. * sysdeps/x86_64/fpu/multiarch/e_exp2f.c: Include <libm-alias-float.h>. (exp2f): Define using libm_alias_float, or libm_alias_float_other if [SHARED]. * sysdeps/x86_64/fpu/multiarch/e_expf.c: Include <libm-alias-float.h>. (exp2f): Define using libm_alias_float, or libm_alias_float_other if [SHARED]. * sysdeps/x86_64/fpu/multiarch/e_log2f.c: Include <libm-alias-float.h>. (exp2f): Define using libm_alias_float, or libm_alias_float_other if [SHARED]. * sysdeps/x86_64/fpu/multiarch/e_logf.c: Include <libm-alias-float.h>. (exp2f): Define using libm_alias_float, or libm_alias_float_other if [SHARED]. * sysdeps/x86_64/fpu/multiarch/e_powf.c: Include <libm-alias-float.h>. (exp2f): Define using libm_alias_float, or libm_alias_float_other if [SHARED]. * sysdeps/x86_64/fpu/multiarch/s_ceilf.c: Include <libm-alias-float.h>. (ceilf): Define using libm_alias_float. * sysdeps/x86_64/fpu/multiarch/s_floorf.c: Include <libm-alias-float.h>. (floorf): Define using libm_alias_float. * sysdeps/x86_64/fpu/multiarch/s_fmaf.c: Include <libm-alias-float.h>. (fmaf): Define using libm_alias_float. * sysdeps/x86_64/fpu/multiarch/s_nearbyintf.c: Include <libm-alias-float.h>. (nearbyintf): Define using libm_alias_float. * sysdeps/x86_64/fpu/multiarch/s_rintf.c: Include <libm-alias-float.h>. (rintf): Define using libm_alias_float. * sysdeps/x86_64/fpu/multiarch/s_truncf.c: Include <libm-alias-float.h>. (truncf): Define using libm_alias_float. * sysdeps/x86_64/fpu/s_copysignf.S: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/x86_64/fpu/s_cosf.S: Include <libm-alias-float.h>. (cosf): Define using libm_alias_float. * sysdeps/x86_64/fpu/s_fabsf.c: Include <libm-alias-float.h>. (fabsf): Define using libm_alias_float. * sysdeps/x86_64/fpu/s_fmaxf.S: Include <libm-alias-float.h>. (fmaxf): Define using libm_alias_float. * sysdeps/x86_64/fpu/s_fminf.S: Include <libm-alias-float.h>. (fminf): Define using libm_alias_float. * sysdeps/x86_64/fpu/s_llrintf.S: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. [!__ILP32__] (lrintf): Likewise. * sysdeps/x86_64/fpu/s_sincosf.S: Include <libm-alias-float.h>. (sincosf): Define using libm_alias_float. * sysdeps/x86_64/fpu/s_sinf.S: Include <libm-alias-float.h>. (sinf): Define using libm_alias_float. * sysdeps/x86_64/x32/fpu/s_lrintf.S: Include <libm-alias-float.h>. (lrintf): Define using libm_alias_float.
*	x86-64: Replace assembly versions of e_expf with generic e_expf.c	H.J. Lu	2017-10-22	1	-6/+20
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch replaces x86-64 assembly versions of e_expf with generic e_expf.c. For workload-spec2017.wrf, on Nehalem, it improves performance by: Before After Improvement reciprocal-throughput 36.039 20.7749 73% latency 58.8096 40.8715 43% On Skylake, it improves Before After Improvement reciprocal-throughput 18.4436 11.1693 65% latency 47.5162 37.5411 26% * sysdeps/x86_64/fpu/e_expf.S: Removed. * sysdeps/x86_64/fpu/multiarch/e_expf-fma.S: Likewise. * sysdeps/x86_64/fpu/w_expf.c: Likewise. * sysdeps/x86_64/fpu/libm-test-ulps: Updated for generic e_expf.c. * sysdeps/x86_64/fpu/multiarch/Makefile (CFLAGS-e_expf-fma.c): New. * sysdeps/x86_64/fpu/multiarch/e_expf-fma.c: New file. * sysdeps/x86_64/fpu/multiarch/e_expf.c (__redirect_ieee754_expf): Renamed to ... (__redirect_expf): This. (SYMBOL_NAME): Changed to expf. (__ieee754_expf): Renamed to ... (__expf): This. (__GI___expf): This. (__ieee754_expf): Add strong_alias. (__expf_finite): Likewise. (__expf): New. Include <sysdeps/ieee754/flt-32/e_expf.c>.
*	x86_64 __redirect_ieee754_expf: Change double to float	H.J. Lu	2017-08-28	1	-1/+1
\| \| \| \| \| \| \|	__redirect_ieee754_expf has type float, not double. * sysdeps/x86_64/fpu/multiarch/e_expf.c (__redirect_ieee754_expf): Change double to float.
*	x86-64: Optimize e_expf with FMA [BZ #21912]	H.J. Lu	2017-08-16	1	-0/+26
	FMA optimized e_expf improves performance by more than 50% on Skylake. [BZ #21912] * sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines): Add e_expf-fma. * sysdeps/x86_64/fpu/multiarch/e_expf-fma.S: New file. * sysdeps/x86_64/fpu/multiarch/e_expf.c: Likewise. * sysdeps/x86_64/fpu/multiarch/ifunc-fma.h: Likewise.