| Zonr Chang | f1e4bce | 2013-02-07 08:29:47 +0000 | [diff] [blame^] | 1 | //===-- aeabi_fcmp.S - EABI fcmp* implementation ---------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "../assembly.h" |
| 11 | |
| 12 | // int __aeabi_fcmp{eq,lt,le,ge,gt}(float a, float b) { |
| 13 | // int result = __{eq,lt,le,ge,gt}sf2(a, b); |
| 14 | // if (result {==,<,<=,>=,>} 0) { |
| 15 | // return 1; |
| 16 | // } else { |
| 17 | // return 0; |
| 18 | // } |
| 19 | // } |
| 20 | |
| 21 | #define DEFINE_AEABI_FCMP(cond) \ |
| 22 | .syntax unified SEPARATOR \ |
| 23 | .align 2 SEPARATOR \ |
| 24 | DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond) \ |
| 25 | push { r4, lr } SEPARATOR \ |
| 26 | bl SYMBOL_NAME(__ ## cond ## sf2) SEPARATOR \ |
| 27 | cmp r0, #0 SEPARATOR \ |
| 28 | b ## cond 1f SEPARATOR \ |
| 29 | mov r0, #0 SEPARATOR \ |
| 30 | pop { r4, pc } SEPARATOR \ |
| 31 | 1: SEPARATOR \ |
| 32 | mov r0, #1 SEPARATOR \ |
| 33 | pop { r4, pc } |
| 34 | |
| 35 | DEFINE_AEABI_FCMP(eq) |
| 36 | DEFINE_AEABI_FCMP(lt) |
| 37 | DEFINE_AEABI_FCMP(le) |
| 38 | DEFINE_AEABI_FCMP(ge) |
| 39 | DEFINE_AEABI_FCMP(gt) |