[0/5] Remove remaining slow paths from math functions
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To: 'GNU C Library' <libc-alpha@sourceware.org>
Subject: [PATCH 0/5] Remove remaining slow paths from math functions
Thread-Topic: [PATCH 0/5] Remove remaining slow paths from math functions
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From: Wilco Dijkstra via Libc-alpha <libc-alpha@sourceware.org>
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Message
Wilco Dijkstra
Jan. 4, 2021, 12:11 p.m. UTC
This patch series removes all remaining slow paths and related code from math functions. The asin/acos, tan, atan, atan2 implementations are fixed in following patches, and the final patch removes the unused mpa files, headers and probes and updates the manual. Passes buildmanyglibc. git diff --stat HEAD~5 manual/probes.texi | 85 ---------- math/Makefile | 3 +- sysdeps/aarch64/libm-test-ulps | 3 +- sysdeps/generic/math_private.h | 6 - sysdeps/ieee754/dbl-64/MathLib.h | 100 ------------ sysdeps/ieee754/dbl-64/atnat.h | 4 +- sysdeps/ieee754/dbl-64/atnat2.h | 4 +- sysdeps/ieee754/dbl-64/doasin.c | 81 ---------- sysdeps/ieee754/dbl-64/doasin.h | 63 -------- sysdeps/ieee754/dbl-64/dosincos.c | 217 ------------------------- sysdeps/ieee754/dbl-64/dosincos.h | 80 ---------- sysdeps/ieee754/dbl-64/e_asin.c | 339 +++++---------------------------------- sysdeps/ieee754/dbl-64/e_atan2.c | 324 +++++-------------------------------- sysdeps/ieee754/dbl-64/e_remainder.c | 1 - sysdeps/ieee754/dbl-64/e_sqrt.c | 1 - sysdeps/ieee754/dbl-64/mpa-arch.h | 47 ------ sysdeps/ieee754/dbl-64/mpa.c | 913 --------------------------------------------------------------------------------------------------------- sysdeps/ieee754/dbl-64/mpa.h | 123 --------------- sysdeps/ieee754/dbl-64/mpatan.c | 116 -------------- sysdeps/ieee754/dbl-64/mpatan.h | 145 ----------------- sysdeps/ieee754/dbl-64/mpatan2.c | 67 -------- sysdeps/ieee754/dbl-64/mpsqrt.c | 111 ------------- sysdeps/ieee754/dbl-64/mpsqrt.h | 38 ----- sysdeps/ieee754/dbl-64/mptan.c | 63 -------- sysdeps/ieee754/dbl-64/mydefs.h | 2 +- sysdeps/ieee754/dbl-64/s_atan.c | 194 +++-------------------- sysdeps/ieee754/dbl-64/s_sin.c | 1 - sysdeps/ieee754/dbl-64/s_tan.c | 609 +++++++++------------------------------------------------------------- sysdeps/ieee754/dbl-64/sincos32.c | 307 ----------------------------------- sysdeps/ieee754/dbl-64/sincos32.h | 81 ---------- sysdeps/ieee754/dbl-64/uatan.tbl | 8 +- sysdeps/ieee754/dbl-64/utan.h | 172 +------------------- sysdeps/ieee754/dbl-64/utan.tbl | 4 +- sysdeps/x86_64/fpu/multiarch/Makefile | 30 +--- sysdeps/x86_64/fpu/multiarch/doasin-fma.c | 4 - sysdeps/x86_64/fpu/multiarch/doasin-fma4.c | 4 - sysdeps/x86_64/fpu/multiarch/dosincos-fma.c | 6 - sysdeps/x86_64/fpu/multiarch/dosincos-fma4.c | 6 - sysdeps/x86_64/fpu/multiarch/mpa-avx.c | 14 -- sysdeps/x86_64/fpu/multiarch/mpa-fma.c | 14 -- sysdeps/x86_64/fpu/multiarch/mpa-fma4.c | 14 -- sysdeps/x86_64/fpu/multiarch/mpatan-fma.c | 10 -- sysdeps/x86_64/fpu/multiarch/mpatan-fma4.c | 10 -- sysdeps/x86_64/fpu/multiarch/mpatan2-fma.c | 9 -- sysdeps/x86_64/fpu/multiarch/mpatan2-fma4.c | 9 -- sysdeps/x86_64/fpu/multiarch/mpsqrt-fma.c | 8 - sysdeps/x86_64/fpu/multiarch/mpsqrt-fma4.c | 8 - sysdeps/x86_64/fpu/multiarch/mptan-fma.c | 7 - sysdeps/x86_64/fpu/multiarch/mptan-fma4.c | 7 - sysdeps/x86_64/fpu/multiarch/sincos32-fma.c | 13 -- sysdeps/x86_64/fpu/multiarch/sincos32-fma4.c | 13 -- 51 files changed, 192 insertions(+), 4306 deletions(-)