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[#72179] fix indexing of bits in emitting words to SAIF trace

This commit is contained in:
Mateusz Gancarz 2025-02-17 11:24:37 +01:00
parent 3c99e027ad
commit 65874d3cc1
1 changed files with 2 additions and 13 deletions
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15
include/verilated_saif_c.cpp
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@ -719,21 +719,10 @@ void VerilatedSaifBuffer::emitWData(uint32_t code, const WData* newvalp, int bit
fprintf(stdout, "Trying to emit more bits than activity width\n");
}
const int bitsInMSW = VL_BITBIT_E(bits) ? VL_BITBIT_E(bits) : VL_EDATASIZE;
int numOfWords = VL_WORDS_I(bits);
fprintf(stdout, "Number of bits in most significant word: %d\n", bitsInMSW);
fprintf(stdout, "Number of bits in a word: %d\n", VL_EDATASIZE);
fprintf(stdout, "Number of words: %d\n", numOfWords);
auto dt = m_owner.m_time - activity.lastTime;
for (std::size_t i = 0; i < bitsInMSW; ++i) {
activity.bits[i].aggregateVal(dt, (newvalp[0] >> VL_BITBIT_E(i)) & 1);
}
for (std::size_t i = bitsInMSW; i < activity.width; ++i) {
size_t wordIndex = VL_WORDS_I(i);
for (std::size_t i = 0; i < activity.width; ++i) {
size_t wordIndex = i / VL_EDATASIZE;
activity.bits[i].aggregateVal(dt, (newvalp[wordIndex] >> VL_BITBIT_E(i)) & 1);
}