| //===-- aeabi_dcmp.S - EABI dcmp* implementation ---------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "../assembly.h" |
| |
| // int __aeabi_dcmp{eq,lt,le,ge,gt}(double a, double b) { |
| // int result = __{eq,lt,le,ge,gt}df2(a, b); |
| // if (result {==,<,<=,>=,>} 0) { |
| // return 1; |
| // } else { |
| // return 0; |
| // } |
| // } |
| |
| #define DEFINE_AEABI_DCMP(cond) \ |
| .syntax unified SEPARATOR \ |
| .align 2 SEPARATOR \ |
| DEFINE_COMPILERRT_FUNCTION(__aeabi_dcmp ## cond) \ |
| push { r4, lr } SEPARATOR \ |
| bl SYMBOL_NAME(__ ## cond ## df2) SEPARATOR \ |
| cmp r0, #0 SEPARATOR \ |
| b ## cond 1f SEPARATOR \ |
| mov r0, #0 SEPARATOR \ |
| pop { r4, pc } SEPARATOR \ |
| 1: SEPARATOR \ |
| mov r0, #1 SEPARATOR \ |
| pop { r4, pc } |
| |
| DEFINE_AEABI_DCMP(eq) |
| DEFINE_AEABI_DCMP(lt) |
| DEFINE_AEABI_DCMP(le) |
| DEFINE_AEABI_DCMP(ge) |
| DEFINE_AEABI_DCMP(gt) |
