Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 1 | #if defined(__mips_hard_float) |
| 2 | |
sewardj | e584b0e | 2012-06-07 09:32:40 +0000 | [diff] [blame] | 3 | #include <stdio.h> |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 4 | #include <stdlib.h> |
sewardj | e584b0e | 2012-06-07 09:32:40 +0000 | [diff] [blame] | 5 | |
| 6 | typedef enum { |
| 7 | ABSS=0, ABSD, |
| 8 | ADDS, ADDD, |
| 9 | DIVS, DIVD, |
| 10 | MULS, MULD, |
| 11 | NEGS, NEGD, |
| 12 | SQRTS, SQRTD, |
| 13 | SUBS, SUBD, |
| 14 | RECIPS, RECIPD, |
| 15 | RSQRTS, RSQRTD |
| 16 | } flt_art_op_t; |
| 17 | |
| 18 | const char *flt_art_op_names[] = { |
| 19 | "abs.s", "abs.d", |
| 20 | "add.s", "add.d", |
| 21 | "div.s", "div.d", |
| 22 | "mul.s", "mul.d", |
| 23 | "neg.s", "neg.d", |
| 24 | "sqrt.s", "sqrt.d", |
| 25 | "sub.s", "sub.d", |
| 26 | "recip.s", "recip.d", |
| 27 | "rsqrt.s", "rsqrt.d" |
| 28 | }; |
| 29 | |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 30 | typedef enum { |
| 31 | TO_NEAREST=0, TO_ZERO, TO_PLUS_INFINITY, TO_MINUS_INFINITY } round_mode_t; |
| 32 | char *round_mode_name[] = { "near", "zero", "+inf", "-inf" }; |
| 33 | |
sewardj | e584b0e | 2012-06-07 09:32:40 +0000 | [diff] [blame] | 34 | const double fs_d[] = { |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 35 | 0, 456.25, 3, -1, |
| 36 | 1384.5, -7.25, 1000000000, -5786.5, |
| 37 | 1752, 0.015625, 0.03125, -248562.75, |
| 38 | 456, -45786.5, 34.03125, 45786.75, |
| 39 | 1752065, 107, -45667.25, -7, |
| 40 | -347856.5, 356047.5, -1.0, 23.0625 |
sewardj | e584b0e | 2012-06-07 09:32:40 +0000 | [diff] [blame] | 41 | }; |
| 42 | |
| 43 | const double ft_d[] = { |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 44 | -456.25, -45786.5, 34.03125, 45786.75, |
| 45 | 1752065, 107, -45667.25, -7.25, |
| 46 | -347856.5, 356047.5, -1.0, 23.0625, |
| 47 | 0, 456.25, 3, -1, |
| 48 | 1384.5, -7, 1000000000, -5786.5, |
| 49 | 1752, 0.015625, 0.03125, -248562.75 |
sewardj | e584b0e | 2012-06-07 09:32:40 +0000 | [diff] [blame] | 50 | }; |
| 51 | |
| 52 | const float fs_f[] = { |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 53 | 0, 456.25, 3, -1, |
| 54 | 1384.5, -7.25, 1000000000, -5786.5, |
| 55 | 1752, 0.015625, 0.03125, -248562.75, |
| 56 | 456, -45786.5, 34.03125, 45786.75, |
| 57 | 1752065, 107, -45667.25, -7, |
| 58 | -347856.5, 356047.5, -1.0, 23.0625 |
sewardj | e584b0e | 2012-06-07 09:32:40 +0000 | [diff] [blame] | 59 | }; |
| 60 | |
| 61 | const float ft_f[] = { |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 62 | -456.25, -4578.5, 34.03125, 4578.75, |
| 63 | 175, 107, -456.25, -7.25, |
| 64 | -3478.5, 356.5, -1.0, 23.0625, |
| 65 | 0, 456.25, 3, -1, |
| 66 | 1384.5, -7, 100, -5786.5, |
| 67 | 1752, 0.015625, 0.03125, -248562.75 |
sewardj | e584b0e | 2012-06-07 09:32:40 +0000 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | #define UNOPdd(op) \ |
| 71 | fd_d = 0; \ |
| 72 | __asm__ volatile( \ |
| 73 | op" %0, %1\n\t" \ |
| 74 | : "=f"(fd_d) : "f"(fs_d[i])); |
| 75 | |
| 76 | #define UNOPff(op) \ |
| 77 | fd_f = 0; \ |
| 78 | __asm__ volatile( \ |
| 79 | op" %0, %1\n\t" \ |
| 80 | : "=f"(fd_f) : "f"(fs_f[i])); |
| 81 | |
| 82 | #define BINOPf(op) \ |
| 83 | fd_f = 0; \ |
| 84 | __asm__ volatile( \ |
| 85 | op" %0, %1, %2\n\t" \ |
| 86 | : "=f"(fd_f) : "f"(fs_f[i]) , "f"(ft_f[i])); |
| 87 | |
| 88 | #define BINOPd(op) \ |
| 89 | fd_d = 0; \ |
| 90 | __asm__ volatile( \ |
| 91 | op" %0, %1, %2\n\t" \ |
| 92 | : "=f"(fd_d) : "f"(fs_d[i]) , "f"(ft_d[i])); |
| 93 | |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 94 | void set_rounding_mode(round_mode_t mode) |
| 95 | { |
| 96 | switch(mode) { |
| 97 | case TO_NEAREST: |
| 98 | __asm__ volatile("cfc1 $t0, $31\n\t" |
| 99 | "srl $t0, 2\n\t" |
| 100 | "sll $t0, 2\n\t" |
| 101 | "ctc1 $t0, $31\n\t"); |
| 102 | break; |
| 103 | case TO_ZERO: |
| 104 | __asm__ volatile("cfc1 $t0, $31\n\t" |
| 105 | "srl $t0, 2\n\t" |
| 106 | "sll $t0, 2\n\t" |
| 107 | "addiu $t0, 1\n\t" |
| 108 | "ctc1 $t0, $31\n\t"); |
| 109 | break; |
| 110 | case TO_PLUS_INFINITY: |
| 111 | __asm__ volatile("cfc1 $t0, $31\n\t" |
| 112 | "srl $t0, 2\n\t" |
| 113 | "sll $t0, 2\n\t" |
| 114 | "addiu $t0, 2\n\t" |
| 115 | "ctc1 $t0, $31\n\t"); |
| 116 | break; |
| 117 | case TO_MINUS_INFINITY: |
| 118 | __asm__ volatile("cfc1 $t0, $31\n\t" |
| 119 | "srl $t0, 2\n\t" |
| 120 | "sll $t0, 2\n\t" |
| 121 | "addiu $t0, 3\n\t" |
| 122 | "ctc1 $t0, $31\n\t"); |
| 123 | break; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | int arithmeticOperations(flt_art_op_t op) |
sewardj | e584b0e | 2012-06-07 09:32:40 +0000 | [diff] [blame] | 128 | { |
| 129 | double fd_d = 0; |
| 130 | float fd_f = 0; |
| 131 | int i = 0; |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 132 | round_mode_t rm; |
| 133 | for (rm = TO_NEAREST; rm <= TO_MINUS_INFINITY; rm ++) { |
| 134 | set_rounding_mode(rm); |
| 135 | printf("rounding mode: %s\n", round_mode_name[rm]); |
| 136 | for (i = 0; i < 24; i++) |
| 137 | { |
| 138 | switch(op) { |
| 139 | case ABSS: |
| 140 | UNOPff("abs.s"); |
| 141 | printf("%s %f %f\n", flt_art_op_names[op], fd_f, fs_f[i]); |
| 142 | break; |
| 143 | case ABSD: |
| 144 | UNOPdd("abs.d"); |
| 145 | printf("%s %lf %lf\n", flt_art_op_names[op], fd_d, fs_d[i]); |
| 146 | break; |
| 147 | case ADDS: |
| 148 | BINOPf("add.s"); |
| 149 | printf("%s %f %f %f\n", flt_art_op_names[op], fd_f, fs_f[i], ft_f[i]); |
| 150 | break; |
| 151 | case ADDD: |
| 152 | BINOPd("add.d"); |
| 153 | printf("%s %lf %lf %lf\n", flt_art_op_names[op], fd_d, fs_d[i], ft_d[i]); |
| 154 | break; |
| 155 | case DIVS: |
| 156 | BINOPf("div.s"); |
| 157 | printf("%s %f %f %f\n", flt_art_op_names[op], fd_f, fs_f[i], ft_f[i]); |
| 158 | break; |
| 159 | case DIVD: |
| 160 | BINOPd("div.d"); |
| 161 | printf("%s %lf %lf %lf\n", flt_art_op_names[op], fd_d, fs_d[i], ft_d[i]); |
| 162 | break; |
| 163 | case MULS: |
| 164 | BINOPf("mul.s"); |
| 165 | printf("%s %f %f %f\n", flt_art_op_names[op], fd_f, fs_f[i], ft_f[i]); |
| 166 | break; |
| 167 | case MULD: |
| 168 | BINOPd("mul.d"); |
| 169 | printf("%s %lf %lf %lf\n", flt_art_op_names[op], fd_d, fs_d[i], ft_d[i]); |
| 170 | break; |
| 171 | case NEGS: |
| 172 | UNOPff("neg.s"); |
| 173 | printf("%s %f %f\n", flt_art_op_names[op], fd_f, fs_f[i]); |
| 174 | break; |
| 175 | case NEGD: |
| 176 | UNOPdd("neg.d"); |
| 177 | printf("%s %lf %lf\n", flt_art_op_names[op], fd_d, fs_d[i]); |
| 178 | break; |
| 179 | case SQRTS: |
| 180 | UNOPff("sqrt.s"); |
| 181 | printf("%s %f %f\n", flt_art_op_names[op], fd_f, fs_f[i]); |
| 182 | break; |
| 183 | case SQRTD: |
| 184 | UNOPdd("sqrt.d"); |
| 185 | printf("%s %lf %lf\n", flt_art_op_names[op], fd_d, fs_d[i]); |
| 186 | break; |
| 187 | case SUBS: |
| 188 | BINOPf("sub.s"); |
| 189 | printf("%s %f %f %f\n", flt_art_op_names[op], fd_f, fs_f[i], ft_f[i]); |
| 190 | break; |
| 191 | case SUBD: |
| 192 | BINOPd("sub.d"); |
| 193 | printf("%s %lf %lf %lf\n", flt_art_op_names[op], fd_d, fs_d[i], ft_d[i]); |
| 194 | break; |
| 195 | case RECIPS: |
petarj | 4931c0d | 2012-07-16 14:07:47 +0000 | [diff] [blame] | 196 | #if (__mips==32) && (__mips_isa_rev>=2) |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 197 | UNOPff("recip.s"); |
| 198 | printf("%s %f %f\n", flt_art_op_names[op], fd_f, fs_f[i]); |
petarj | 4931c0d | 2012-07-16 14:07:47 +0000 | [diff] [blame] | 199 | #endif |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 200 | break; |
| 201 | case RECIPD: |
petarj | 4931c0d | 2012-07-16 14:07:47 +0000 | [diff] [blame] | 202 | #if (__mips==32) && (__mips_isa_rev>=2) |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 203 | UNOPdd("recip.d"); |
| 204 | printf("%s %lf %lf\n", flt_art_op_names[op], fd_d, fs_d[i]); |
petarj | 4931c0d | 2012-07-16 14:07:47 +0000 | [diff] [blame] | 205 | #endif |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 206 | break; |
| 207 | case RSQRTS: |
petarj | 4931c0d | 2012-07-16 14:07:47 +0000 | [diff] [blame] | 208 | #if (__mips==32) && (__mips_isa_rev>=2) |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 209 | UNOPff("rsqrt.s"); |
| 210 | printf("%s %f %f\n", flt_art_op_names[op], fd_f, fs_f[i]); |
petarj | 4931c0d | 2012-07-16 14:07:47 +0000 | [diff] [blame] | 211 | #endif |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 212 | break; |
| 213 | case RSQRTD: |
petarj | 4931c0d | 2012-07-16 14:07:47 +0000 | [diff] [blame] | 214 | #if (__mips==32) && (__mips_isa_rev>=2) |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 215 | UNOPdd("rsqrt.d"); |
| 216 | printf("%s %lf %lf\n", flt_art_op_names[op], fd_d, fs_d[i]); |
petarj | 4931c0d | 2012-07-16 14:07:47 +0000 | [diff] [blame] | 217 | #endif |
dejanj | 34ff174 | 2013-12-05 14:05:25 +0000 | [diff] [blame] | 218 | break; |
| 219 | default: |
| 220 | printf("error\n"); |
| 221 | break; |
| 222 | } |
| 223 | } |
sewardj | e584b0e | 2012-06-07 09:32:40 +0000 | [diff] [blame] | 224 | } |
| 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | int main() |
| 229 | { |
| 230 | flt_art_op_t op; |
| 231 | |
| 232 | printf("-------------------------- %s --------------------------\n", |
| 233 | "test FPU Arithmetic Operations"); |
| 234 | for (op = ABSS; op <= RECIPD; op++) { |
| 235 | arithmeticOperations(op); |
| 236 | } |
| 237 | |
| 238 | return 0; |
| 239 | } |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 240 | #else |
| 241 | int main() { |
| 242 | return 0; |
| 243 | } |
| 244 | #endif |