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Improve const1 handling in segmatch 

Signed-off-by: Clifford Wolf <clifford@clifford.at>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
This commit is contained in:
Clifford Wolf 2017-10-21 00:55:18 +02:00 committed by Tim 'mithro' Ansell
parent 988acdf4b5
commit 1e74fd5d38
1 changed files with 14 additions and 10 deletions
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24
tools/segmatch.cc
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@ -193,7 +193,8 @@ help:
assert(f != nullptr);
}
int cnt_const = 0;
int cnt_const0 = 0;
int cnt_const1 = 0;
int cnt_candidates = 0;
int min_candidates = num_bits;
int max_candidates = 0;
@ -231,21 +232,23 @@ help:
if (!got1) {
fprintf(f, " <const0>\n");
cnt_const += 1;
cnt_const0 += 1;
continue;
}
if (!got0) {
fprintf(f, " <const1>\n");
cnt_const += 1;
continue;
fprintf(f, " <const1>");
cnt_const1 += 1;
}
int num_candidates = std::accumulate(mask.begin(), mask.end(), 0);
min_candidates = std::min(min_candidates, num_candidates);
max_candidates = std::max(max_candidates, num_candidates);
avg_candidates += num_candidates;
cnt_candidates += 1;
if (got0) {
min_candidates = std::min(min_candidates, num_candidates);
max_candidates = std::max(max_candidates, num_candidates);
avg_candidates += num_candidates;
cnt_candidates += 1;
}
if (0 < num_candidates && num_candidates <= 4) {
for (int bit_idx = 0; bit_idx < num_bits; bit_idx++)
@ -260,7 +263,8 @@ help:
if (cnt_candidates)
avg_candidates /= cnt_candidates;
printf("#of const tags: %d\n", cnt_const);
printf("#of const0 tags: %d\n", cnt_const0);
printf("#of const1 tags: %d\n", cnt_const1);
printf("min #of candidates: %d\n", min_candidates);
printf("max #of candidates: %d\n", max_candidates);
printf("avg #of candidates: %.3f\n", avg_candidates);