arm/insts/fplib.cc

68 #define FP32_BITS 32
84 #define FP32_MANT_BITS (FP32_BITS - FP32_EXP_BITS - 1)
308     return sgn << (FP32_BITS - 1) | exp << FP32_MANT_BITS | FP32_MANT(mnt);
412     *sgn = x >> (FP32_BITS - 1);
1456     // Convert to FP32_BITS bits, collapsing error into bottom bit:
1457     x_mnt = lsr64(x_mnt, FP32_BITS - 1) | !!lsl64(x_mnt, FP32_BITS + 1);
1662     // Normalise into FP32_BITS bits, collapsing error into bottom bit:
1664     x_mnt = x_mnt >> (FP32_BITS - 1) | !!(uint32_t)(x_mnt << 1);
1833     x_exp = a_exp - b_exp + (FP32_EXP_BIAS + FP32_BITS + 2 * FP32_EXP_BITS - 3);
1838     // Normalise into FP32_BITS bits, collapsing error into bottom bit:
1840     x_mnt = x_mnt >> (FP32_BITS - 1) | !!(uint32_t)(x_mnt << 1);
2367     return op & ~(1ULL << (FP32_BITS - 1));
2512     return fp16_pack(op >> (FP32_BITS - 1), FP16_EXP_INF,
2552     return fp64_pack(op >> (FP32_BITS - 1), FP64_EXP_INF,
2776                         mnt >> (FP64_MANT_BITS - FP32_BITS) |
2777                         !!(mnt & ((1ULL << (FP64_MANT_BITS - FP32_BITS)) - 1)),
2854                            (uint64_t)mnt << (FP64_MANT_BITS - FP32_BITS + 1));
3486     return op ^ 1ULL << (FP32_BITS - 1);
3575                                   (mnt >> (FP32_BITS - 8) & 127)];
3818                              (mnt >> (FP32_BITS - 10) | 1) + 1) >> 1;
4157         uint32_t x = expint - exp >= FP32_BITS ? 0 : mnt >> (expint - exp);
4158         int err = exp < expint - FP32_BITS ? 1 :
4160              ((uint32_t)(mnt << 2 << (FP32_BITS + exp - expint)) != 0));
4414         fp32_muladd(coeff[op2 >> (FP32_BITS - 1)][coeff_index], op1,
4488         result = (result & ~(1ULL << (FP32_BITS - 1))) | op2 << (FP32_BITS - 1);
4531     return op1 ^ ((op2 >> 1) << (FP32_BITS - 1));
4599     if (u ? x >= 1ULL << FP32_BITS :
4600         !(x < 1ULL << (FP32_BITS - 1) ||
4601           (uint64_t)-x <= (uint64_t)1 << (FP32_BITS - 1))) {
4603         x = ((uint32_t)!u << (FP32_BITS - 1)) - !sgn;
4860     // Normalise into FP32_BITS bits, collapsing error into bottom bit:
4862     x_mnt = (x_mnt >> (FP64_BITS - FP32_BITS - 1) |
4863              !!(x_mnt & ((1ULL << (FP64_BITS - FP32_BITS - 1)) - 1)));