+static const floatx80 fpu_rom[128] = {
+ [0x00] = floatx80_pi, /* Pi */
+ [0x0b] = make_floatx80(0x3ffd, 0x9a209a84fbcff798ULL), /*
Log10(2) */
+ [0x0c] = make_floatx80(0x4000, 0xadf85458a2bb4a9aULL), /*
e */
+ [0x0d] = make_floatx80(0x3fff, 0xb8aa3b295c17f0bcULL), /*
Log2(e) */
+ [0x0e] = make_floatx80(0x3ffd, 0xde5bd8a937287195ULL), /*
Log10(e) */
+ [0x0f] = floatx80_zero, /*
Zero */
+ [0x30] = floatx80_ln2, /*
ln(2) */
+ [0x31] = make_floatx80(0x4000, 0x935d8dddaaa8ac17ULL), /*
ln(10) */
+ [0x32] = floatx80_one, /*
10^0 */
+ [0x33] = make_floatx80(0x4002, 0xa000000000000000ULL), /*
10^1 */
+ [0x34] = make_floatx80(0x4005, 0xc800000000000000ULL), /*
10^2 */
+ [0x35] = make_floatx80(0x400c, 0x9c40000000000000ULL), /*
10^4 */
+ [0x36] = make_floatx80(0x4019, 0xbebc200000000000ULL), /*
10^8 */
+ [0x37] = make_floatx80(0x4034, 0x8e1bc9bf04000000ULL), /*
10^16 */
+ [0x38] = make_floatx80(0x4069, 0x9dc5ada82b70b59eULL), /*
10^32 */
+ [0x39] = make_floatx80(0x40d3, 0xc2781f49ffcfa6d5ULL), /*
10^64 */
+ [0x3a] = make_floatx80(0x41a8, 0x93ba47c980e98ce0ULL), /*
10^128 */
+ [0x3b] = make_floatx80(0x4351, 0xaa7eebfb9df9de8eULL), /*
10^256 */
+ [0x3c] = make_floatx80(0x46a3, 0xe319a0aea60e91c7ULL), /*
10^512 */
+ [0x3d] = make_floatx80(0x4d48, 0xc976758681750c17ULL), /*
10^1024 */
+ [0x3e] = make_floatx80(0x5a92, 0x9e8b3b5dc53d5de5ULL), /*
10^2048 */
+ [0x3f] = make_floatx80(0x7525, 0xc46052028a20979bULL), /*
10^4096 */ +};
+
int32_t HELPER(reds32)(CPUM68KState *env, FPReg *val)
{
return floatx80_to_int32(val->d, &env->fp_status);
@@ -204,3 +229,8 @@ void HELPER(ftst)(CPUM68KState *env, FPReg *val)
}
env->fpsr = (env->fpsr & ~FPSR_CC_MASK) | cc;
}
+
+void HELPER(fconst)(CPUM68KState *env, FPReg *val, uint32_t offset)
+{
+ val->d = fpu_rom[offset];