arm/insts/fplib.cc

79 #define FP16_EXP_INF ((1ULL << FP16_EXP_BITS) - 1)
80 #define FP32_EXP_INF ((1ULL << FP32_EXP_BITS) - 1)
81 #define FP64_EXP_INF ((1ULL << FP64_EXP_BITS) - 1)
87 #define FP16_EXP(x) ((x) >> FP16_MANT_BITS & ((1ULL << FP16_EXP_BITS) - 1))
88 #define FP32_EXP(x) ((x) >> FP32_MANT_BITS & ((1ULL << FP32_EXP_BITS) - 1))
89 #define FP64_EXP(x) ((x) >> FP64_MANT_BITS & ((1ULL << FP64_EXP_BITS) - 1))
91 #define FP16_MANT(x) ((x) & ((1ULL << FP16_MANT_BITS) - 1))
92 #define FP32_MANT(x) ((x) & ((1ULL << FP32_MANT_BITS) - 1))
93 #define FP64_MANT(x) ((x) & ((1ULL << FP64_MANT_BITS) - 1))
374     return fp16_pack(0, FP16_EXP_INF, 1ULL << (FP16_MANT_BITS - 1));
380     return fp32_pack(0, FP32_EXP_INF, 1ULL << (FP32_MANT_BITS - 1));
386     return fp64_pack(0, FP64_EXP_INF, 1ULL << (FP64_MANT_BITS - 1));
399         *mnt |= 1ULL << FP16_MANT_BITS;
418         *mnt |= 1ULL << FP32_MANT_BITS;
438         *mnt |= 1ULL << FP64_MANT_BITS;
525         a |= 1ULL << (FP16_MANT_BITS - 1);
535         a |= 1ULL << (FP32_MANT_BITS - 1);
545         a |= 1ULL << (FP64_MANT_BITS - 1);
722     mnt = (4ULL << FP16_MANT_BITS | mnt >> (FP16_EXP_BITS - 1) |
723            ((mnt & ((1ULL << FP16_EXP_BITS) - 1)) != 0));
744         if (int_mant == 1ULL << FP16_MANT_BITS) {
748         if (int_mant == 2ULL << FP16_MANT_BITS) {
806     mnt = (4ULL << FP32_MANT_BITS | mnt >> (FP32_EXP_BITS - 1) |
807            ((mnt & ((1ULL << FP32_EXP_BITS) - 1)) != 0));
828         if (int_mant == 1ULL << FP32_MANT_BITS) {
832         if (int_mant == 2ULL << FP32_MANT_BITS) {
883     mnt = (4ULL << FP64_MANT_BITS | mnt >> (FP64_EXP_BITS - 1) |
884            ((mnt & ((1ULL << FP64_EXP_BITS) - 1)) != 0));
905         if (int_mant == 1ULL << FP64_MANT_BITS) {
909         if (int_mant == 2ULL << FP64_MANT_BITS) {
2360     return op & ~(1ULL << (FP16_BITS - 1));
2367     return op & ~(1ULL << (FP32_BITS - 1));
2374     return op & ~(1ULL << (FP64_BITS - 1));
2513                      1ULL << (FP16_MANT_BITS - 1) |
2521                      1ULL << (FP16_MANT_BITS - 1) |
2529                      1ULL << (FP32_MANT_BITS - 1) |
2537                      1ULL << (FP32_MANT_BITS - 1) |
2545                      1ULL << (FP64_MANT_BITS - 1) |
2553                      1ULL << (FP64_MANT_BITS - 1) |
2560     return fp16_pack(sgn, FP16_EXP_BIAS, 1ULL << (FP16_MANT_BITS - 1));
2566     return fp32_pack(sgn, FP32_EXP_BIAS, 1ULL << (FP32_MANT_BITS - 1));
2572     return fp64_pack(sgn, FP64_EXP_BIAS, 1ULL << (FP64_MANT_BITS - 1));
2578     return fp16_pack(sgn, FP16_EXP_BIAS + 1, 1ULL << (FP16_MANT_BITS - 1));
2584     return fp32_pack(sgn, FP32_EXP_BIAS + 1, 1ULL << (FP32_MANT_BITS - 1));
2590     return fp64_pack(sgn, FP64_EXP_BIAS + 1, 1ULL << (FP64_MANT_BITS - 1));
2640                       ((1ULL << (FP16_BITS - 1)) - 1));
2651                         !!(mnt & ((1ULL << (FP32_MANT_BITS - FP16_BITS)) - 1)),
2689                       ((1ULL << (FP16_BITS - 1)) - 1));
2700                         !!(mnt & ((1ULL << (FP64_MANT_BITS - FP16_BITS)) - 1)),
2777                         !!(mnt & ((1ULL << (FP64_MANT_BITS - FP32_BITS)) - 1)),
3479     return op ^ 1ULL << (FP16_BITS - 1);
3486     return op ^ 1ULL << (FP32_BITS - 1);
3493     return op ^ 1ULL << (FP64_BITS - 1);
4468         result = (result & ~(1ULL << (FP16_BITS - 1))) |
4488         result = (result & ~(1ULL << (FP32_BITS - 1))) | op2 << (FP32_BITS - 1);
4507         result = (result & ~(1ULL << (FP64_BITS - 1))) | op2 << (FP64_BITS - 1);
4582     if (u ? sgn && x : x > (1ULL << (FP64_BITS - 1)) - !sgn) {
4599     if (u ? x >= 1ULL << FP32_BITS :
4600         !(x < 1ULL << (FP32_BITS - 1) ||
4613     if (u ? x >= 1ULL << FP16_BITS :
4614         !(x < 1ULL << (FP16_BITS - 1) ||
4843              !!(x_mnt & ((1ULL << (FP64_BITS - FP16_BITS - 1)) - 1)));
4863              !!(x_mnt & ((1ULL << (FP64_BITS - FP32_BITS - 1)) - 1)));