summaryrefslogtreecommitdiff
path: root/src/fenv/mips/fenv.s
blob: 9b45ffc3291f44575a66876c36f9057ce6949f84 (plain) (blame)
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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
.set noreorder

.global feclearexcept
.type  feclearexcept,@function
feclearexcept:
	and     $4, $4, 0x7c
	cfc1    $5, $31
	or      $5, $5, $4
	xor     $5, $5, $4
	ctc1    $5, $31
	jr      $ra
	li      $2, 0

.global feraiseexcept
.type  feraiseexcept,@function
feraiseexcept:
	and     $4, $4, 0x7c
	cfc1    $5, $31
	or      $5, $5, $4
	ctc1    $5, $31
	jr      $ra
	li      $2, 0

.global fetestexcept
.type  fetestexcept,@function
fetestexcept:
	and     $4, $4, 0x7c
	cfc1    $2, $31
	jr      $ra
	and     $2, $2, $4

.global fegetround
.type  fegetround,@function
fegetround:
	cfc1    $2, $31
	jr      $ra
	andi    $2, $2, 3

.global __fesetround
.type __fesetround,@function
__fesetround:
	cfc1    $5, $31
	li      $6, -4
	and     $5, $5, $6
	or      $5, $5, $4
	jr      $ra
	li      $2, 0

.global fegetenv
.type  fegetenv,@function
fegetenv:
	cfc1    $5, $31
	sw      $5, 0($4)
	jr      $ra
	li      $2, 0

.global fesetenv
.type  fesetenv,@function
fesetenv:
	addiu   $5, $4, 1
	beq     $5, $0, 1f
	 nop
	lw      $5, 0($4)
1:	ctc1    $5, $31
	jr      $ra
	li      $2, 0