lxdream 0.9.1| filename | test/math.s |
| changeset | 185:6755a04c447f |
| author | nkeynes |
| date | Wed Nov 10 08:37:42 2010 +1000 (13 years ago) |
| permissions | -rw-r--r-- |
| last change | Add chain pointer to the xlat cache, so that we can maintain multiple blocks for the same address. This prevents thrashing in cases where we would other keep retranslating the same blocks over and over again due to varying xlat_sh4_mode values |
| view | annotate | diff | log | raw |
1 #
2 # Assembler functions to invoke the non-standard FP operations
3 #
4 .global _clear_fpscr
5 _clear_fpscr:
6 xor r0, r0
7 lds r0, fpscr
8 rts
9 nop
11 .global _get_fpscr
12 _get_fpscr:
13 rts
14 sts fpscr, r0
16 .global _set_fpscr
17 _set_fpscr:
18 rts
19 lds r4, fpscr
21 .global _do_fsca
22 _do_fsca:
23 sts fpscr, r0
24 mov #0x08, r1
25 shll16 r1
26 not r1, r1
27 and r0, r1
28 lds r1, fpscr
29 lds r4, fpul
30 .word 0xF0FD
31 fmov fr0, @r5
32 fmov fr1, @r6
33 xor r0,r0
34 rts
35 lds r1, fpscr
37 .global _do_fsrra
38 _do_fsrra:
39 sts fpscr, r0
40 mov #0x08, r1
41 shll16 r1
42 not r1, r1
43 and r0, r1
44 lds r1, fpscr
45 fmov fr4, fr0
46 .word 0xF07D
47 rts
48 lds r0, fpscr
50 .global _do_fipr
51 _do_fipr:
52 sts fpscr, r0
53 mov #0x08, r1
54 shll16 r1
55 not r1, r1
56 and r0, r1
57 lds r1, fpscr
58 fmov.s @r4+, fr0
59 fmov.s @r4+, fr1
60 fmov.s @r4+, fr2
61 fmov.s @r4+, fr3
62 fmov.s @r5+, fr4
63 fmov.s @r5+, fr5
64 fmov.s @r5+, fr6
65 fmov.s @r5+, fr7
66 fipr fv0, fv4
67 lds r0, fpscr
68 rts
69 fmov fr7, fr0
71 .global _do_fipr2
72 _do_fipr2:
73 sts fpscr, r0
74 mov #0x08, r1
75 shll16 r1
76 not r1, r1
77 and r0, r1
78 lds r1, fpscr
79 fschg
80 fmov @r4+, dr0
81 fmov @r4+, dr2
82 fmov @r5+, dr4
83 fmov @r5+, dr6
84 fschg
85 fipr fv0, fv4
86 lds r0, fpscr
87 rts
88 fmov fr7, fr0
90 .global _do_ftrv
91 _do_ftrv:
92 sts fpscr, r0
93 mov #0x08, r1
94 shll16 r1
95 not r1, r1
96 and r0, r1
97 lds r1, fpscr
98 fschg
99 fmov @r4+, xd0
100 fmov @r4+, xd2
101 fmov @r4+, xd4
102 fmov @r4+, xd6
103 fmov @r4+, xd8
104 fmov @r4+, xd10
105 fmov @r4+, xd12
106 fmov @r4, xd14
107 fmov @r5+, dr0
108 fmov @r5, dr2
109 ftrv xmtrx, fv0
110 fmov dr2, @r5
111 fmov dr0, @-r5
112 fschg
113 rts
114 lds r0, fpscr
116 .global _do_ftrv2
117 _do_ftrv2:
118 sts fpscr, r0
119 mov #0x08, r1
120 shll16 r1
121 not r1, r1
122 and r0, r1
123 lds r1, fpscr
124 fschg
125 frchg
126 fmov @r4+, dr0
127 fmov @r4+, dr2
128 fmov @r4+, dr4
129 fmov @r4+, dr6
130 fmov @r4+, dr8
131 fmov @r4+, dr10
132 fmov @r4+, dr12
133 fmov @r4+, dr14
134 frchg
135 fmov @r5+, dr0
136 fmov @r5, dr2
137 ftrv xmtrx, fv0
138 fmov dr2, @-r5
139 fmov dr0, @-r5
140 fschg
141 rts
142 lds r0, fpscr
.