| //===-- Utilities for testing stdbit --------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| /* |
| * Declare these BEFORE including stdbit-macros.h so that this test may still be |
| * run even if a given target doesn't yet have these individual entrypoints |
| * enabled. |
| */ |
| |
| #include "include/__llvm-libc-common.h" |
| |
| #include <stdbool.h> // bool in C |
| |
| #define STDBIT_STUB_FUNCTION(FUNC_NAME, LEADING_VAL) \ |
| unsigned FUNC_NAME##_uc([[maybe_unused]] unsigned char x) { \ |
| return LEADING_VAL##AU; \ |
| } \ |
| unsigned FUNC_NAME##_us([[maybe_unused]] unsigned short x) { \ |
| return LEADING_VAL##BU; \ |
| } \ |
| unsigned FUNC_NAME##_ui([[maybe_unused]] unsigned int x) { \ |
| return LEADING_VAL##CU; \ |
| } \ |
| unsigned FUNC_NAME##_ul([[maybe_unused]] unsigned long x) { \ |
| return LEADING_VAL##DU; \ |
| } \ |
| unsigned FUNC_NAME##_ull([[maybe_unused]] unsigned long long x) { \ |
| return LEADING_VAL##EU; \ |
| } |
| |
| __BEGIN_C_DECLS |
| |
| STDBIT_STUB_FUNCTION(stdc_leading_zeros, 0xA) |
| STDBIT_STUB_FUNCTION(stdc_leading_ones, 0xB) |
| STDBIT_STUB_FUNCTION(stdc_trailing_zeros, 0xC) |
| STDBIT_STUB_FUNCTION(stdc_trailing_ones, 0xD) |
| STDBIT_STUB_FUNCTION(stdc_first_leading_zero, 0xE) |
| STDBIT_STUB_FUNCTION(stdc_first_leading_one, 0xF) |
| STDBIT_STUB_FUNCTION(stdc_first_trailing_zero, 0x0) |
| STDBIT_STUB_FUNCTION(stdc_first_trailing_one, 0x1) |
| STDBIT_STUB_FUNCTION(stdc_count_zeros, 0x2) |
| STDBIT_STUB_FUNCTION(stdc_count_ones, 0x3) |
| |
| bool stdc_has_single_bit_uc([[maybe_unused]] unsigned char x) { return false; } |
| bool stdc_has_single_bit_us([[maybe_unused]] unsigned short x) { return false; } |
| bool stdc_has_single_bit_ui([[maybe_unused]] unsigned x) { return false; } |
| bool stdc_has_single_bit_ul([[maybe_unused]] unsigned long x) { return false; } |
| bool stdc_has_single_bit_ull([[maybe_unused]] unsigned long long x) { |
| return false; |
| } |
| |
| STDBIT_STUB_FUNCTION(stdc_bit_width, 0x4) |
| |
| unsigned char stdc_bit_floor_uc([[maybe_unused]] unsigned char x) { |
| return 0x5AU; |
| } |
| unsigned short stdc_bit_floor_us([[maybe_unused]] unsigned short x) { |
| return 0x5BU; |
| } |
| unsigned stdc_bit_floor_ui([[maybe_unused]] unsigned x) { return 0x5CU; } |
| unsigned long stdc_bit_floor_ul([[maybe_unused]] unsigned long x) { |
| return 0x5DUL; |
| } |
| unsigned long long stdc_bit_floor_ull([[maybe_unused]] unsigned long long x) { |
| return 0x5EULL; |
| } |
| |
| unsigned char stdc_bit_ceil_uc([[maybe_unused]] unsigned char x) { |
| return 0x6AU; |
| } |
| unsigned short stdc_bit_ceil_us([[maybe_unused]] unsigned short x) { |
| return 0x6BU; |
| } |
| unsigned stdc_bit_ceil_ui([[maybe_unused]] unsigned x) { return 0x6CU; } |
| unsigned long stdc_bit_ceil_ul([[maybe_unused]] unsigned long x) { |
| return 0x6DUL; |
| } |
| unsigned long long stdc_bit_ceil_ull([[maybe_unused]] unsigned long long x) { |
| return 0x6EULL; |
| } |
| |
| __END_C_DECLS |
