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Include fixed base cost in MULU and MULS.

This commit is contained in:
Thomas Harte 2022-06-01 14:05:23 -04:00
parent 5a4f117a12
commit 0857dd0ae5

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@ -2635,7 +2635,7 @@ template <bool did_overflow> void ProcessorBase::did_divs(int32_t dividend, int3
template <typename IntT> void ProcessorBase::did_mulu(IntT multiplier) {
// Count number of bits set.
convert_to_bit_count_16(multiplier);
dynamic_instruction_length_ = multiplier;
dynamic_instruction_length_ = 17 + multiplier;
}
template <typename IntT> void ProcessorBase::did_muls(IntT multiplier) {
@ -2644,7 +2644,7 @@ template <typename IntT> void ProcessorBase::did_muls(IntT multiplier) {
// Treat the bit to the right of b0 as 0.
int number_of_pairs = (multiplier ^ (multiplier << 1)) & 0xffff;
convert_to_bit_count_16(number_of_pairs);
dynamic_instruction_length_ = number_of_pairs;
dynamic_instruction_length_ = 17 + number_of_pairs;
}
#undef convert_to_bit_count_16