1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
//===-- aeabi_fcmp.S - EABI fcmp* 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_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;
// }
// }
#define DEFINE_AEABI_FCMP(cond) \
.syntax unified SEPARATOR \
.p2align 2 SEPARATOR \
DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond) \
push { r4, lr } SEPARATOR \
bl SYMBOL_NAME(__ ## cond ## sf2) 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 } 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
|
