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2019-07-08powerpc: refactor logb{f,l}Adhemerval Zanella
The power7 logb implementation does not show a performance gain on ISA 2.07+ chips with faster floating-point to GRP instructions (currently POWER8 and POWER9). This patch moves the POWER7 implementation to generic one and enables it for POWER7. It also add some cleanup to use inline floating-point number instead of define them using static const. The performance difference is for POWER9: - Without patch: "logb": { "subnormal": { "duration": 4.99202e+09, "iterations": 8.83662e+08, "max": 75.194, "min": 5.501, "mean": 5.64925 }, "normal": { "duration": 4.97063e+09, "iterations": 9.97094e+08, "max": 46.489, "min": 4.956, "mean": 4.98512 } } - With patch: "logb": { "subnormal": { "duration": 4.97226e+09, "iterations": 9.92036e+08, "max": 77.209, "min": 4.892, "mean": 5.01218 }, "normal": { "duration": 4.96192e+09, "iterations": 1.07545e+09, "max": 12.361, "min": 4.593, "mean": 4.61382 } } The ifunc implementation is also enabled only for powerpc64. Checked on powerpc-linux-gnu (built without --with-cpu, with --with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch), powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+ and --disable-multi-arch). * sysdeps/powerpc/power7/fpu/s_logb.c: Move to ... * sysdeps/powerpc/fpu/s_logb.c: ... here. Use inline FP constants. * sysdeps/powerpc/power7/fpu/s_logbf.c: Move to ... * sysdeps/powerpc/fpu/s_logbf.c: ... here. Use inline FP constants. * sysdeps/powerpc/power7/fpu/s_logbl.c: Move to ... * sysdeps/powerpc/fpu/s_logbl.c: ... here. Use inline FP constants. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb-power7.c: Adjust implementation path. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbf-power7.c: Adjust implementation path. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbl-power7.c: Adjust implementation path. * sysdeps/powerpc/powerpc64/be/fpu/multiarch/Makefile (libm-sysdep_routines): Add s_log* objects. (CFLAGS-s_logbf-power7.c, CFLAGS-s_logbl-power7.c, CFLAGS-s_logb-power7.c): New fule. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-power7.c: Move to ... * sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logb-power7.c: ... here. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c: Move to ... * sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logb-ppc64.c: ... here. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c: Move to ... * sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logb.c: ... here. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-power7.c: Move to ... * sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbf-power7.c: ... here. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-ppc64.c: Move to ... * sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbf-ppc64.c: ... here. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c: Move to ... * sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbf.c: ... here. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-power7.c: Move to ... * sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbl-power7.c: ... here. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-ppc64.c: Move to ... * sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbl-ppc64.c: ... here. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c: Move to ... * sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbl.c: ... here. * sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile: Remove file. * sysdeps/powerpc/powerpc64/power7/fpu/s_logb.c: Remove file. * sysdeps/powerpc/powerpc64/power7/fpu/s_logbf.c: Likewise. * sysdeps/powerpc/powerpc64/power7/fpu/s_logbl.c: Likewise. Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
2019-01-01Update copyright dates with scripts/update-copyrights.Joseph Myers
* 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.
2018-09-28Remove unnecessary math_private.h includes.Joseph Myers
After my changes to move various macros, inlines and other content from math_private.h to more specific headers, many files including math_private.h no longer need to do so. Furthermore, since the optimized inlines of various functions have been moved to include/fenv.h or replaced by use of function names GCC inlines automatically, a missing math_private.h include where one is appropriate will reliably cause a build failure rather than possibly causing code to be less well optimized while still building successfully. Thus, this patch removes includes of math_private.h that are now unnecessary. In the case of two RISC-V files, the include is replaced by one of stdbool.h because the files in question were relying on math_private.h to get a definition of bool. Tested for x86_64 and x86, and with build-many-glibcs.py. * math/fromfp.h: Do not include <math_private.h>. * math/s_cacosh_template.c: Likewise. * math/s_casin_template.c: Likewise. * math/s_casinh_template.c: Likewise. * math/s_ccos_template.c: Likewise. * math/s_cproj_template.c: Likewise. * math/s_fdim_template.c: Likewise. * math/s_fmaxmag_template.c: Likewise. * math/s_fminmag_template.c: Likewise. * math/s_iseqsig_template.c: Likewise. * math/s_ldexp_template.c: Likewise. * math/s_nextdown_template.c: Likewise. * math/w_log1p_template.c: Likewise. * math/w_scalbln_template.c: Likewise. * sysdeps/aarch64/fpu/feholdexcpt.c: Likewise. * sysdeps/aarch64/fpu/fesetround.c: Likewise. * sysdeps/aarch64/fpu/fgetexcptflg.c: Likewise. * sysdeps/aarch64/fpu/ftestexcept.c: Likewise. * sysdeps/aarch64/fpu/s_llrint.c: Likewise. * sysdeps/aarch64/fpu/s_llrintf.c: Likewise. * sysdeps/aarch64/fpu/s_lrint.c: Likewise. * sysdeps/aarch64/fpu/s_lrintf.c: Likewise. * sysdeps/i386/fpu/s_atanl.c: Likewise. * sysdeps/i386/fpu/s_f32xaddf64.c: Likewise. * sysdeps/i386/fpu/s_f32xsubf64.c: Likewise. * sysdeps/i386/fpu/s_fdim.c: Likewise. * sysdeps/i386/fpu/s_logbl.c: Likewise. * sysdeps/i386/fpu/s_rintl.c: Likewise. * sysdeps/i386/fpu/s_significandl.c: Likewise. * sysdeps/ia64/fpu/s_matherrf.c: Likewise. * sysdeps/ia64/fpu/s_matherrl.c: Likewise. * sysdeps/ieee754/dbl-64/s_atan.c: Likewise. * sysdeps/ieee754/dbl-64/s_cbrt.c: Likewise. * sysdeps/ieee754/dbl-64/s_fma.c: Likewise. * sysdeps/ieee754/dbl-64/s_fmaf.c: Likewise. * sysdeps/ieee754/flt-32/s_cbrtf.c: Likewise. * sysdeps/ieee754/k_standardf.c: Likewise. * sysdeps/ieee754/k_standardl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_copysignl.c: Likewise. * sysdeps/ieee754/ldbl-64-128/s_finitel.c: Likewise. * sysdeps/ieee754/ldbl-64-128/s_fpclassifyl.c: Likewise. * sysdeps/ieee754/ldbl-64-128/s_isinfl.c: Likewise. * sysdeps/ieee754/ldbl-64-128/s_isnanl.c: Likewise. * sysdeps/ieee754/ldbl-64-128/s_signbitl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_cbrtl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_fma.c: Likewise. * sysdeps/ieee754/ldbl-96/s_fmal.c: Likewise. * sysdeps/ieee754/s_signgam.c: Likewise. * sysdeps/powerpc/power5+/fpu/s_modf.c: Likewise. * sysdeps/powerpc/power5+/fpu/s_modff.c: Likewise. * sysdeps/powerpc/power7/fpu/s_logbf.c: Likewise. * sysdeps/riscv/rv64/rvd/s_ceil.c: Likewise. * sysdeps/riscv/rv64/rvd/s_floor.c: Likewise. * sysdeps/riscv/rv64/rvd/s_nearbyint.c: Likewise. * sysdeps/riscv/rv64/rvd/s_round.c: Likewise. * sysdeps/riscv/rv64/rvd/s_roundeven.c: Likewise. * sysdeps/riscv/rv64/rvd/s_trunc.c: Likewise. * sysdeps/riscv/rvd/s_finite.c: Likewise. * sysdeps/riscv/rvd/s_fmax.c: Likewise. * sysdeps/riscv/rvd/s_fmin.c: Likewise. * sysdeps/riscv/rvd/s_fpclassify.c: Likewise. * sysdeps/riscv/rvd/s_isinf.c: Likewise. * sysdeps/riscv/rvd/s_isnan.c: Likewise. * sysdeps/riscv/rvd/s_issignaling.c: Likewise. * sysdeps/riscv/rvf/fegetround.c: Likewise. * sysdeps/riscv/rvf/feholdexcpt.c: Likewise. * sysdeps/riscv/rvf/fesetenv.c: Likewise. * sysdeps/riscv/rvf/fesetround.c: Likewise. * sysdeps/riscv/rvf/feupdateenv.c: Likewise. * sysdeps/riscv/rvf/fgetexcptflg.c: Likewise. * sysdeps/riscv/rvf/ftestexcept.c: Likewise. * sysdeps/riscv/rvf/s_ceilf.c: Likewise. * sysdeps/riscv/rvf/s_finitef.c: Likewise. * sysdeps/riscv/rvf/s_floorf.c: Likewise. * sysdeps/riscv/rvf/s_fmaxf.c: Likewise. * sysdeps/riscv/rvf/s_fminf.c: Likewise. * sysdeps/riscv/rvf/s_fpclassifyf.c: Likewise. * sysdeps/riscv/rvf/s_isinff.c: Likewise. * sysdeps/riscv/rvf/s_isnanf.c: Likewise. * sysdeps/riscv/rvf/s_issignalingf.c: Likewise. * sysdeps/riscv/rvf/s_nearbyintf.c: Likewise. * sysdeps/riscv/rvf/s_roundevenf.c: Likewise. * sysdeps/riscv/rvf/s_roundf.c: Likewise. * sysdeps/riscv/rvf/s_truncf.c: Likewise. * sysdeps/riscv/rv64/rvd/s_rint.c: Include <stdbool.h> instead of <math_private.h>. * sysdeps/riscv/rvf/s_rintf.c: Likewise.
2018-01-01Update copyright dates with scripts/update-copyrights.Joseph Myers
* 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.
2017-12-05Use libm_alias_float for powerpc.Joseph Myers
Continuing the preparation for additional _FloatN / _FloatNx function aliases, this patch makes powerpc libm function implementations use libm_alias_float to define function aliases. Tested with build-many-glibcs.py that installed stripped shared libraries are unchanged for all its hard-float powerpc configurations. * sysdeps/powerpc/fpu/s_cosf.c: Include <libm-alias-float.h>. (cosf): Define using libm_alias_float. * sysdeps/powerpc/fpu/s_fabs.S: Include <libm-alias-float.h>. (fabsf): Define using libm_alias_float. * sysdeps/powerpc/fpu/s_fmaf.S: Include <libm-alias-float.h>. (fmaf): Define using libm_alias_float. * sysdeps/powerpc/fpu/s_rintf.c: Include <libm-alias-float.h>. (rintf): Define using libm_alias_float. * sysdeps/powerpc/fpu/s_sinf.c: Include <libm-alias-float.h>. (sinf): Define using libm_alias_float. * sysdeps/powerpc/power5+/fpu/s_modff.c: Include <libm-alias-float.h>. (modff): Define using libm_alias_float. * sysdeps/powerpc/power7/fpu/s_logbf.c: Include <libm-alias-float.h>. (logbf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_ceilf.S: Include <libm-alias-float.h>. (ceilf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_copysign.S: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_floorf.S: Include <libm-alias-float.h>. (floorf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_llrintf.c: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_llroundf.c: Include <libm-alias-float.h>. (llroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_lrint.S: Include <libm-alias-float.h>. (lrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_lround.S: Include <libm-alias-float.h>. (lroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_nearbyintf.S: Include <libm-alias-float.h>. (nearbyintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_rintf.S: Include <libm-alias-float.h>. (rintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_roundf.S: Include <libm-alias-float.h>. (roundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/fpu/s_truncf.S: Include <libm-alias-float.h>. (truncf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceilf.c: Include <libm-alias-float.h>. (ceilf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_copysignf.c: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floorf.c: Include <libm-alias-float.h>. (floorf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_llrintf.c: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_llroundf.c: Include <libm-alias-float.h>. (llroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbf.c: Include <libm-alias-float.h>. (logbf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrintf.c: Include <libm-alias-float.h>. (lrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lroundf.c: Include <libm-alias-float.h>. (lroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_modff.c: Include <libm-alias-float.h>. (modff): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_roundf.c: Include <libm-alias-float.h>. (roundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf.c: Include <libm-alias-float.h>. (truncf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/s_llrintf.S: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S: Include <libm-alias-float.h>. (llroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power5+/fpu/s_ceilf.S: Include <libm-alias-float.h>. (ceilf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power5+/fpu/s_floorf.S: Include <libm-alias-float.h>. (floorf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power5+/fpu/s_llround.S: Include <libm-alias-float.h>. (llroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S: Include <libm-alias-float.h>. (lroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power5+/fpu/s_roundf.S: Include <libm-alias-float.h>. (roundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S: Include <libm-alias-float.h>. (truncf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power6/fpu/s_copysign.S: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power6/fpu/s_llrintf.S: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power6/fpu/s_llround.S: Include <libm-alias-float.h>. (llroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power6x/fpu/s_lrint.S: Include <libm-alias-float.h>. (lrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc32/power6x/fpu/s_lround.S: Include <libm-alias-float.h>. (lroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_ceilf.c: Include <libm-alias-float.h>. (ceilf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysignf.c: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_cosf.c: Include <libm-alias-float.h>. (cosf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_floorf.c: Include <libm-alias-float.h>. (floorf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_llrintf.c: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_llroundf.c: Include <libm-alias-float.h>. (llroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c: Include <libm-alias-float.h>. (logbf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff.c: Include <libm-alias-float.h>. (modff): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_roundf.c: Include <libm-alias-float.h>. (roundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_sinf.c: Include <libm-alias-float.h>. (sinf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_truncf.c: Include <libm-alias-float.h>. (truncf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/s_ceilf.S: Include <libm-alias-float.h>. (ceilf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/s_copysign.S: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/s_floorf.S: Include <libm-alias-float.h>. (floorf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/s_llrint.S: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/s_llroundf.S: Include <libm-alias-float.h>. (llroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/s_nearbyintf.S: Include <libm-alias-float.h>. (nearbyintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/s_rintf.S: Include <libm-alias-float.h>. (rintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/s_roundf.S: Include <libm-alias-float.h>. (roundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/fpu/s_truncf.S: Include <libm-alias-float.h>. (truncf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power5+/fpu/s_ceilf.S: Include <libm-alias-float.h>. (ceilf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power5+/fpu/s_floorf.S: Include <libm-alias-float.h>. (floorf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S: Include <libm-alias-float.h>. (llroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power5+/fpu/s_roundf.S: Include <libm-alias-float.h>. (roundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power5+/fpu/s_truncf.S: Include <libm-alias-float.h>. (truncf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power6/fpu/s_copysign.S: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power6x/fpu/s_llrint.S: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power6x/fpu/s_llround.S: Include <libm-alias-float.h>. (llroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power8/fpu/s_cosf.S: Include <libm-alias-float.h>. (cosf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power8/fpu/s_llrint.S: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power8/fpu/s_llround.S: Include <libm-alias-float.h>. (llroundf): Define using libm_alias_float. * sysdeps/powerpc/powerpc64/power8/fpu/s_sinf.S: Include <libm-alias-float.h>. (sinf): Define using libm_alias_float.
2017-01-01Update copyright dates with scripts/update-copyrights.Joseph Myers
2016-01-04Update copyright dates with scripts/update-copyrights.Joseph Myers
2015-01-02Update copyright dates with scripts/update-copyrights.Joseph Myers
2014-01-01Update copyright notices with scripts/update-copyrightsAllan McRae
2013-12-06PowerPC: multiarch logb/logbf/logbl for PowerPC32Adhemerval Zanella