[libc] clean up unused exp_utils (#143181)
This file's just left over from old code, but it doesn't compile anymore. It's never used so this patch just removes it.
This commit is contained in:
Michael Jones
@@ -1275,14 +1275,6 @@ add_entrypoint_object(
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libc.src.__support.FPUtil.nearest_integer_operations
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)
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add_object_library(
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exp_utils
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HDRS
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exp_utils.h
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SRCS
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exp_utils.cpp
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)
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add_entrypoint_object(
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erff
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SRCS
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@@ -3978,7 +3970,7 @@ add_entrypoint_object(
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libc.src.__support.FPUtil.polyeval
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libc.src.__support.FPUtil.sqrt
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libc.src.__support.macros.optimization
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libc.src.__support.macros.properties.types
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libc.src.__support.macros.properties.types
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)
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add_entrypoint_object(
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@@ -4046,7 +4038,7 @@ add_entrypoint_object(
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libc.src.__support.FPUtil.multiply_add
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libc.src.__support.FPUtil.polyeval
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libc.src.__support.macros.optimization
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libc.src.__support.macros.properties.types
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libc.src.__support.macros.properties.types
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)
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add_object_library(
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@@ -4093,7 +4085,7 @@ add_entrypoint_object(
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libc.src.__support.FPUtil.polyeval
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libc.src.__support.FPUtil.sqrt
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libc.src.__support.macros.optimization
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libc.src.__support.macros.properties.types
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libc.src.__support.macros.properties.types
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)
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add_header_library(
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@@ -4162,7 +4154,7 @@ add_entrypoint_object(
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libc.src.__support.FPUtil.polyeval
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libc.src.__support.FPUtil.sqrt
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libc.src.__support.macros.optimization
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libc.src.__support.macros.properties.types
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libc.src.__support.macros.properties.types
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)
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add_entrypoint_object(
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@@ -4181,7 +4173,7 @@ add_entrypoint_object(
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libc.src.__support.FPUtil.polyeval
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libc.src.__support.FPUtil.sqrt
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libc.src.__support.macros.optimization
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libc.src.__support.macros.properties.types
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libc.src.__support.macros.properties.types
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libc.src.__support.macros.properties.cpu_features
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)
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@@ -4201,7 +4193,7 @@ add_entrypoint_object(
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libc.src.__support.FPUtil.polyeval
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libc.src.__support.FPUtil.sqrt
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libc.src.__support.macros.optimization
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libc.src.__support.macros.properties.types
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libc.src.__support.macros.properties.types
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)
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add_header_library(
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@@ -1,128 +0,0 @@
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//===-- Implemention of exp and friends' utils ----------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "exp_utils.h"
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#include "src/__support/macros/config.h"
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namespace LIBC_NAMESPACE_DECL {
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const Exp2fDataTable exp2f_data = {
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// :tab[i] = uint(2^(i/N)) - (i << 52-BITS)
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// used for computing 2^(k/N) for an int |k| < 150 N as
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// double(tab[k%N] + (k << 52-BITS))
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{
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// tab
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#if N == 8
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0x3ff0000000000000,
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0x3fef72b83c7d517b,
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0x3fef06fe0a31b715,
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0x3feebfdad5362a27,
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0x3feea09e667f3bcd,
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0x3feeace5422aa0db,
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0x3feee89f995ad3ad,
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0x3fef5818dcfba487,
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#elif N == 16
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0x3ff0000000000000,
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0x3fefb5586cf9890f,
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0x3fef72b83c7d517b,
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0x3fef387a6e756238,
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0x3fef06fe0a31b715,
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0x3feedea64c123422,
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0x3feebfdad5362a27,
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0x3feeab07dd485429,
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0x3feea09e667f3bcd,
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0x3feea11473eb0187,
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0x3feeace5422aa0db,
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0x3feec49182a3f090,
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0x3feee89f995ad3ad,
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0x3fef199bdd85529c,
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0x3fef5818dcfba487,
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0x3fefa4afa2a490da,
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#elif N == 32
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0x3ff0000000000000, 0x3fefd9b0d3158574, 0x3fefb5586cf9890f,
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0x3fef9301d0125b51, 0x3fef72b83c7d517b, 0x3fef54873168b9aa,
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0x3fef387a6e756238, 0x3fef1e9df51fdee1, 0x3fef06fe0a31b715,
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0x3feef1a7373aa9cb, 0x3feedea64c123422, 0x3feece086061892d,
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0x3feebfdad5362a27, 0x3feeb42b569d4f82, 0x3feeab07dd485429,
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0x3feea47eb03a5585, 0x3feea09e667f3bcd, 0x3fee9f75e8ec5f74,
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0x3feea11473eb0187, 0x3feea589994cce13, 0x3feeace5422aa0db,
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0x3feeb737b0cdc5e5, 0x3feec49182a3f090, 0x3feed503b23e255d,
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0x3feee89f995ad3ad, 0x3feeff76f2fb5e47, 0x3fef199bdd85529c,
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0x3fef3720dcef9069, 0x3fef5818dcfba487, 0x3fef7c97337b9b5f,
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0x3fefa4afa2a490da, 0x3fefd0765b6e4540,
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#elif N == 64
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0x3ff0000000000000, 0x3fefec9a3e778061, 0x3fefd9b0d3158574,
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0x3fefc74518759bc8, 0x3fefb5586cf9890f, 0x3fefa3ec32d3d1a2,
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0x3fef9301d0125b51, 0x3fef829aaea92de0, 0x3fef72b83c7d517b,
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0x3fef635beb6fcb75, 0x3fef54873168b9aa, 0x3fef463b88628cd6,
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0x3fef387a6e756238, 0x3fef2b4565e27cdd, 0x3fef1e9df51fdee1,
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0x3fef1285a6e4030b, 0x3fef06fe0a31b715, 0x3feefc08b26416ff,
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0x3feef1a7373aa9cb, 0x3feee7db34e59ff7, 0x3feedea64c123422,
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0x3feed60a21f72e2a, 0x3feece086061892d, 0x3feec6a2b5c13cd0,
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0x3feebfdad5362a27, 0x3feeb9b2769d2ca7, 0x3feeb42b569d4f82,
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0x3feeaf4736b527da, 0x3feeab07dd485429, 0x3feea76f15ad2148,
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0x3feea47eb03a5585, 0x3feea23882552225, 0x3feea09e667f3bcd,
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0x3fee9fb23c651a2f, 0x3fee9f75e8ec5f74, 0x3fee9feb564267c9,
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0x3feea11473eb0187, 0x3feea2f336cf4e62, 0x3feea589994cce13,
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0x3feea8d99b4492ed, 0x3feeace5422aa0db, 0x3feeb1ae99157736,
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0x3feeb737b0cdc5e5, 0x3feebd829fde4e50, 0x3feec49182a3f090,
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0x3feecc667b5de565, 0x3feed503b23e255d, 0x3feede6b5579fdbf,
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0x3feee89f995ad3ad, 0x3feef3a2b84f15fb, 0x3feeff76f2fb5e47,
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0x3fef0c1e904bc1d2, 0x3fef199bdd85529c, 0x3fef27f12e57d14b,
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0x3fef3720dcef9069, 0x3fef472d4a07897c, 0x3fef5818dcfba487,
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0x3fef69e603db3285, 0x3fef7c97337b9b5f, 0x3fef902ee78b3ff6,
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0x3fefa4afa2a490da, 0x3fefba1bee615a27, 0x3fefd0765b6e4540,
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0x3fefe7c1819e90d8,
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#endif
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},
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as_double(0x4338000000000000) / N, // shift_scaled
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{
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// poly
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#if N == 8
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as_double(0x3fac6a00335106e2),
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as_double(0x3fcec0c313449f55),
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as_double(0x3fe62e431111f69f),
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#elif N == 16
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as_double(0x3fac6ac6aa313963),
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as_double(0x3fcebfff4532d9ba),
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as_double(0x3fe62e43001bc49f),
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#elif N == 32
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as_double(0x3fac6af84b912394),
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as_double(0x3fcebfce50fac4f3),
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as_double(0x3fe62e42ff0c52d6),
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#elif N == 64
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as_double(0x3fac6b04b4221b2a),
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as_double(0x3fcebfc213e184d7),
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as_double(0x3fe62e42fefb5b7f),
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#endif
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},
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as_double(0x4338000000000000), // shift
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as_double(0x3ff71547652b82fe) * N, // invln2_scaled
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{
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// poly_scaled
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#if N == 8
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as_double(0x3fac6a00335106e2) / N / N / N,
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as_double(0x3fcec0c313449f55) / N / N,
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as_double(0x3fe62e431111f69f) / N,
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#elif N == 16
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as_double(0x3fac6ac6aa313963) / N / N / N,
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as_double(0x3fcebfff4532d9ba) / N / N,
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as_double(0x3fe62e43001bc49f) / N,
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#elif N == 32
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as_double(0x3fac6af84b912394) / N / N / N,
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as_double(0x3fcebfce50fac4f3) / N / N,
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as_double(0x3fe62e42ff0c52d6) / N,
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#elif N == 64
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as_double(0x3fac6b04b4221b2a) / N / N / N,
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as_double(0x3fcebfc213e184d7) / N / N,
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as_double(0x3fe62e42fefb5b7f) / N,
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#endif
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},
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};
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} // namespace LIBC_NAMESPACE_DECL
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@@ -1,34 +0,0 @@
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//===-- Collection of utils for exp and friends -----------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_SRC_MATH_GENERIC_EXP_UTILS_H
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#define LLVM_LIBC_SRC_MATH_GENERIC_EXP_UTILS_H
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#include "src/__support/macros/config.h"
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#include <stdint.h>
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#define EXP2F_TABLE_BITS 5
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#define EXP2F_POLY_ORDER 3
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#define N (1 << EXP2F_TABLE_BITS)
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namespace LIBC_NAMESPACE_DECL {
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struct Exp2fDataTable {
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uint64_t tab[1 << EXP2F_TABLE_BITS];
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double shift_scaled;
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double poly[EXP2F_POLY_ORDER];
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double shift;
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double invln2_scaled;
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double poly_scaled[EXP2F_POLY_ORDER];
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};
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extern const Exp2fDataTable exp2f_data;
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} // namespace LIBC_NAMESPACE_DECL
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#endif // LLVM_LIBC_SRC_MATH_GENERIC_EXP_UTILS_H
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