arm/insts/fplib.cc

69 #define FP64_BITS 64
85 #define FP64_MANT_BITS (FP64_BITS - FP64_EXP_BITS - 1)
314     return sgn << (FP64_BITS - 1) | exp << FP64_MANT_BITS | FP64_MANT(mnt);
432     *sgn = x >> (FP64_BITS - 1);
1493     // Convert to FP64_BITS bits, collapsing error into bottom bit:
1754     // Normalise into FP64_BITS bits, collapsing error into bottom bit:
2374     return op & ~(1ULL << (FP64_BITS - 1));
2520     return fp16_pack(op >> (FP64_BITS - 1), FP16_EXP_INF,
2536     return fp32_pack(op >> (FP64_BITS - 1), FP32_EXP_INF,
3493     return op ^ 1ULL << (FP64_BITS - 1);
3610                                   (mnt >> (FP64_BITS - 8) & 127)];
3880                              (mnt >> (FP64_BITS - 10) | 1) + 1) >> 1;
4222         uint64_t x = expint - exp >= FP64_BITS ? 0 : mnt >> (expint - exp);
4223         int err = exp < expint - FP64_BITS ? 1 :
4225              ((uint64_t)(mnt << 2 << (FP64_BITS + exp - expint)) != 0));
4448         fp64_muladd(coeff[op2 >> (FP64_BITS - 1)][coeff_index], op1,
4507         result = (result & ~(1ULL << (FP64_BITS - 1))) | op2 << (FP64_BITS - 1);
4542     return op1 ^ ((op2 >> 1) << (FP64_BITS - 1));
4549     int expmax = FP64_EXP_BIAS + FP64_BITS - 1;
4555         return ((uint64_t)!u << (FP64_BITS - 1)) - !sgn;
4582     if (u ? sgn && x : x > (1ULL << (FP64_BITS - 1)) - !sgn) {
4584         return ((uint64_t)!u << (FP64_BITS - 1)) - !sgn;
4831     int x_sgn = !u && a >> (FP64_BITS - 1);
4832     int x_exp = FP16_EXP_BIAS + FP64_BITS - 1 - fbits;
4842     x_mnt = (x_mnt >> (FP64_BITS - FP16_BITS - 1) |
4843              !!(x_mnt & ((1ULL << (FP64_BITS - FP16_BITS - 1)) - 1)));
4851     int x_sgn = !u && a >> (FP64_BITS - 1);
4852     int x_exp = FP32_EXP_BIAS + FP64_BITS - 1 - fbits;
4862     x_mnt = (x_mnt >> (FP64_BITS - FP32_BITS - 1) |
4863              !!(x_mnt & ((1ULL << (FP64_BITS - FP32_BITS - 1)) - 1)));
4871     int x_sgn = !u && a >> (FP64_BITS - 1);
4872     int x_exp = FP64_EXP_BIAS + FP64_BITS - 1 - fbits;