1a25fa92dSlntue //===-- Utilities for testing stdbit --------------------------------------===// 2a25fa92dSlntue // 3a25fa92dSlntue // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4a25fa92dSlntue // See https://llvm.org/LICENSE.txt for license information. 5*1dbc9829SRoland McGrath // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6a25fa92dSlntue // 7a25fa92dSlntue //===----------------------------------------------------------------------===// 8a25fa92dSlntue 9a25fa92dSlntue /* 10a25fa92dSlntue * Declare these BEFORE including stdbit-macros.h so that this test may still be 11a25fa92dSlntue * run even if a given target doesn't yet have these individual entrypoints 12a25fa92dSlntue * enabled. 13a25fa92dSlntue */ 14a25fa92dSlntue 15a25fa92dSlntue #include "include/__llvm-libc-common.h" 16a25fa92dSlntue 17a25fa92dSlntue #include <stdbool.h> // bool in C 18a25fa92dSlntue 19a25fa92dSlntue #define STDBIT_STUB_FUNCTION(FUNC_NAME, LEADING_VAL) \ 201d06157bSNick Desaulniers unsigned FUNC_NAME##_uc(unsigned char x) { return LEADING_VAL##AU; } \ 211d06157bSNick Desaulniers unsigned FUNC_NAME##_us(unsigned short x) { return LEADING_VAL##BU; } \ 221d06157bSNick Desaulniers unsigned FUNC_NAME##_ui(unsigned int x) { return LEADING_VAL##CU; } \ 231d06157bSNick Desaulniers unsigned FUNC_NAME##_ul(unsigned long x) { return LEADING_VAL##DU; } \ 241d06157bSNick Desaulniers unsigned FUNC_NAME##_ull(unsigned long long x) { return LEADING_VAL##EU; } 25a25fa92dSlntue 26a25fa92dSlntue __BEGIN_C_DECLS 27a25fa92dSlntue 28a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_leading_zeros, 0xA) 29a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_leading_ones, 0xB) 30a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_trailing_zeros, 0xC) 31a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_trailing_ones, 0xD) 32a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_first_leading_zero, 0xE) 33a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_first_leading_one, 0xF) 34a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_first_trailing_zero, 0x0) 35a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_first_trailing_one, 0x1) 36a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_count_zeros, 0x2) 37a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_count_ones, 0x3) 38a25fa92dSlntue 391d06157bSNick Desaulniers bool stdc_has_single_bit_uc(unsigned char x) { return false; } 401d06157bSNick Desaulniers bool stdc_has_single_bit_us(unsigned short x) { return false; } 411d06157bSNick Desaulniers bool stdc_has_single_bit_ui(unsigned x) { return false; } 421d06157bSNick Desaulniers bool stdc_has_single_bit_ul(unsigned long x) { return false; } 431d06157bSNick Desaulniers bool stdc_has_single_bit_ull(unsigned long long x) { return false; } 44a25fa92dSlntue 45a25fa92dSlntue STDBIT_STUB_FUNCTION(stdc_bit_width, 0x4) 46a25fa92dSlntue 471d06157bSNick Desaulniers unsigned char stdc_bit_floor_uc(unsigned char x) { return 0x5AU; } 481d06157bSNick Desaulniers unsigned short stdc_bit_floor_us(unsigned short x) { return 0x5BU; } 491d06157bSNick Desaulniers unsigned stdc_bit_floor_ui(unsigned x) { return 0x5CU; } 501d06157bSNick Desaulniers unsigned long stdc_bit_floor_ul(unsigned long x) { return 0x5DUL; } 511d06157bSNick Desaulniers unsigned long long stdc_bit_floor_ull(unsigned long long x) { return 0x5EULL; } 52a25fa92dSlntue 531d06157bSNick Desaulniers unsigned char stdc_bit_ceil_uc(unsigned char x) { return 0x6AU; } 541d06157bSNick Desaulniers unsigned short stdc_bit_ceil_us(unsigned short x) { return 0x6BU; } 551d06157bSNick Desaulniers unsigned stdc_bit_ceil_ui(unsigned x) { return 0x6CU; } 561d06157bSNick Desaulniers unsigned long stdc_bit_ceil_ul(unsigned long x) { return 0x6DUL; } 571d06157bSNick Desaulniers unsigned long long stdc_bit_ceil_ull(unsigned long long x) { return 0x6EULL; } 58a25fa92dSlntue 59a25fa92dSlntue __END_C_DECLS 60