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
|
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
#include "../assembly.h"
// float __floatundisf(du_int a);
#ifdef __x86_64__
CONST_SECTION
.balign 16
two:
.single 2.0
#define REL_ADDR(_a) (_a)(%rip)
.text
.balign 4
DEFINE_COMPILERRT_FUNCTION(__floatundisf)
movq $1, %rsi
testq %rdi, %rdi
js 1f
cvtsi2ssq %rdi, %xmm0
ret
1: andq %rdi, %rsi
shrq %rdi
orq %rsi, %rdi
cvtsi2ssq %rdi, %xmm0
mulss REL_ADDR(two), %xmm0
ret
END_COMPILERRT_FUNCTION(__floatundisf)
#endif // __x86_64__
NO_EXEC_STACK_DIRECTIVE
|
