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-rw-r--r--arch/x86/math-emu/fpu_arith.c150
1 files changed, 64 insertions, 86 deletions
diff --git a/arch/x86/math-emu/fpu_arith.c b/arch/x86/math-emu/fpu_arith.c
index 6972dec01af6..aeab24e083c4 100644
--- a/arch/x86/math-emu/fpu_arith.c
+++ b/arch/x86/math-emu/fpu_arith.c
@@ -15,160 +15,138 @@
15#include "control_w.h" 15#include "control_w.h"
16#include "status_w.h" 16#include "status_w.h"
17 17
18
19void fadd__(void) 18void fadd__(void)
20{ 19{
21 /* fadd st,st(i) */ 20 /* fadd st,st(i) */
22 int i = FPU_rm; 21 int i = FPU_rm;
23 clear_C1(); 22 clear_C1();
24 FPU_add(&st(i), FPU_gettagi(i), 0, control_word); 23 FPU_add(&st(i), FPU_gettagi(i), 0, control_word);
25} 24}
26 25
27
28void fmul__(void) 26void fmul__(void)
29{ 27{
30 /* fmul st,st(i) */ 28 /* fmul st,st(i) */
31 int i = FPU_rm; 29 int i = FPU_rm;
32 clear_C1(); 30 clear_C1();
33 FPU_mul(&st(i), FPU_gettagi(i), 0, control_word); 31 FPU_mul(&st(i), FPU_gettagi(i), 0, control_word);
34} 32}
35 33
36
37
38void fsub__(void) 34void fsub__(void)
39{ 35{
40 /* fsub st,st(i) */ 36 /* fsub st,st(i) */
41 clear_C1(); 37 clear_C1();
42 FPU_sub(0, FPU_rm, control_word); 38 FPU_sub(0, FPU_rm, control_word);
43} 39}
44 40
45
46void fsubr_(void) 41void fsubr_(void)
47{ 42{
48 /* fsubr st,st(i) */ 43 /* fsubr st,st(i) */
49 clear_C1(); 44 clear_C1();
50 FPU_sub(REV, FPU_rm, control_word); 45 FPU_sub(REV, FPU_rm, control_word);
51} 46}
52 47
53
54void fdiv__(void) 48void fdiv__(void)
55{ 49{
56 /* fdiv st,st(i) */ 50 /* fdiv st,st(i) */
57 clear_C1(); 51 clear_C1();
58 FPU_div(0, FPU_rm, control_word); 52 FPU_div(0, FPU_rm, control_word);
59} 53}
60 54
61
62void fdivr_(void) 55void fdivr_(void)
63{ 56{
64 /* fdivr st,st(i) */ 57 /* fdivr st,st(i) */
65 clear_C1(); 58 clear_C1();
66 FPU_div(REV, FPU_rm, control_word); 59 FPU_div(REV, FPU_rm, control_word);
67} 60}
68 61
69
70
71void fadd_i(void) 62void fadd_i(void)
72{ 63{
73 /* fadd st(i),st */ 64 /* fadd st(i),st */
74 int i = FPU_rm; 65 int i = FPU_rm;
75 clear_C1(); 66 clear_C1();
76 FPU_add(&st(i), FPU_gettagi(i), i, control_word); 67 FPU_add(&st(i), FPU_gettagi(i), i, control_word);
77} 68}
78 69
79
80void fmul_i(void) 70void fmul_i(void)
81{ 71{
82 /* fmul st(i),st */ 72 /* fmul st(i),st */
83 clear_C1(); 73 clear_C1();
84 FPU_mul(&st(0), FPU_gettag0(), FPU_rm, control_word); 74 FPU_mul(&st(0), FPU_gettag0(), FPU_rm, control_word);
85} 75}
86 76
87
88void fsubri(void) 77void fsubri(void)
89{ 78{
90 /* fsubr st(i),st */ 79 /* fsubr st(i),st */
91 clear_C1(); 80 clear_C1();
92 FPU_sub(DEST_RM, FPU_rm, control_word); 81 FPU_sub(DEST_RM, FPU_rm, control_word);
93} 82}
94 83
95
96void fsub_i(void) 84void fsub_i(void)
97{ 85{
98 /* fsub st(i),st */ 86 /* fsub st(i),st */
99 clear_C1(); 87 clear_C1();
100 FPU_sub(REV|DEST_RM, FPU_rm, control_word); 88 FPU_sub(REV | DEST_RM, FPU_rm, control_word);
101} 89}
102 90
103
104void fdivri(void) 91void fdivri(void)
105{ 92{
106 /* fdivr st(i),st */ 93 /* fdivr st(i),st */
107 clear_C1(); 94 clear_C1();
108 FPU_div(DEST_RM, FPU_rm, control_word); 95 FPU_div(DEST_RM, FPU_rm, control_word);
109} 96}
110 97
111
112void fdiv_i(void) 98void fdiv_i(void)
113{ 99{
114 /* fdiv st(i),st */ 100 /* fdiv st(i),st */
115 clear_C1(); 101 clear_C1();
116 FPU_div(REV|DEST_RM, FPU_rm, control_word); 102 FPU_div(REV | DEST_RM, FPU_rm, control_word);
117} 103}
118 104
119
120
121void faddp_(void) 105void faddp_(void)
122{ 106{
123 /* faddp st(i),st */ 107 /* faddp st(i),st */
124 int i = FPU_rm; 108 int i = FPU_rm;
125 clear_C1(); 109 clear_C1();
126 if ( FPU_add(&st(i), FPU_gettagi(i), i, control_word) >= 0 ) 110 if (FPU_add(&st(i), FPU_gettagi(i), i, control_word) >= 0)
127 FPU_pop(); 111 FPU_pop();
128} 112}
129 113
130
131void fmulp_(void) 114void fmulp_(void)
132{ 115{
133 /* fmulp st(i),st */ 116 /* fmulp st(i),st */
134 clear_C1(); 117 clear_C1();
135 if ( FPU_mul(&st(0), FPU_gettag0(), FPU_rm, control_word) >= 0 ) 118 if (FPU_mul(&st(0), FPU_gettag0(), FPU_rm, control_word) >= 0)
136 FPU_pop(); 119 FPU_pop();
137} 120}
138 121
139
140
141void fsubrp(void) 122void fsubrp(void)
142{ 123{
143 /* fsubrp st(i),st */ 124 /* fsubrp st(i),st */
144 clear_C1(); 125 clear_C1();
145 if ( FPU_sub(DEST_RM, FPU_rm, control_word) >= 0 ) 126 if (FPU_sub(DEST_RM, FPU_rm, control_word) >= 0)
146 FPU_pop(); 127 FPU_pop();
147} 128}
148 129
149
150void fsubp_(void) 130void fsubp_(void)
151{ 131{
152 /* fsubp st(i),st */ 132 /* fsubp st(i),st */
153 clear_C1(); 133 clear_C1();
154 if ( FPU_sub(REV|DEST_RM, FPU_rm, control_word) >= 0 ) 134 if (FPU_sub(REV | DEST_RM, FPU_rm, control_word) >= 0)
155 FPU_pop(); 135 FPU_pop();
156} 136}
157 137
158
159void fdivrp(void) 138void fdivrp(void)
160{ 139{
161 /* fdivrp st(i),st */ 140 /* fdivrp st(i),st */
162 clear_C1(); 141 clear_C1();
163 if ( FPU_div(DEST_RM, FPU_rm, control_word) >= 0 ) 142 if (FPU_div(DEST_RM, FPU_rm, control_word) >= 0)
164 FPU_pop(); 143 FPU_pop();
165} 144}
166 145
167
168void fdivp_(void) 146void fdivp_(void)
169{ 147{
170 /* fdivp st(i),st */ 148 /* fdivp st(i),st */
171 clear_C1(); 149 clear_C1();
172 if ( FPU_div(REV|DEST_RM, FPU_rm, control_word) >= 0 ) 150 if (FPU_div(REV | DEST_RM, FPU_rm, control_word) >= 0)
173 FPU_pop(); 151 FPU_pop();
174} 152}
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