| //===-- aeabi_fcmp.S - EABI fcmp* implementation ---------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "../assembly.h" |
| |
| // int __aeabi_fcmp{eq,lt,le,ge,gt}(float a, float b) { |
| // int result = __{eq,lt,le,ge,gt}sf2(a, b); |
| // if (result {==,<,<=,>=,>} 0) { |
| // return 1; |
| // } else { |
| // return 0; |
| // } |
| // } |
| |
| #if defined(COMPILER_RT_ARMHF_TARGET) |
| # define CONVERT_FCMP_ARGS_TO_SF2_ARGS \ |
| vmov s0, r0 SEPARATOR \ |
| vmov s1, r1 |
| #else |
| # define CONVERT_FCMP_ARGS_TO_SF2_ARGS |
| #endif |
| |
| #define DEFINE_AEABI_FCMP(cond) \ |
| .syntax unified SEPARATOR \ |
| .p2align 2 SEPARATOR \ |
| DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond) \ |
| push { r4, lr } SEPARATOR \ |
| CONVERT_FCMP_ARGS_TO_SF2_ARGS SEPARATOR \ |
| bl SYMBOL_NAME(__ ## cond ## sf2) SEPARATOR \ |
| cmp r0, #0 SEPARATOR \ |
| b ## cond 1f SEPARATOR \ |
| movs r0, #0 SEPARATOR \ |
| pop { r4, pc } SEPARATOR \ |
| 1: SEPARATOR \ |
| movs r0, #1 SEPARATOR \ |
| pop { r4, pc } SEPARATOR \ |
| END_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond) |
| |
| DEFINE_AEABI_FCMP(eq) |
| DEFINE_AEABI_FCMP(lt) |
| DEFINE_AEABI_FCMP(le) |
| DEFINE_AEABI_FCMP(ge) |
| DEFINE_AEABI_FCMP(gt) |
| |
| NO_EXEC_STACK_DIRECTIVE |
| |
