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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-17 09:10:43 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-17 09:10:43 +0200 |
| commit | f2ec263023649e596c5076df32c2d328bc9393d2 (patch) | |
| tree | 5dd86caab46e552bd2e62bf9c4fb1a7504a44db4 /results/scraper/fex/586 | |
| parent | 63d2e9d409831aa8582787234cae4741847504b7 (diff) | |
| download | qemu-analysis-main.tar.gz qemu-analysis-main.zip | |
Diffstat (limited to 'results/scraper/fex/586')
| -rw-r--r-- | results/scraper/fex/586 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/results/scraper/fex/586 b/results/scraper/fex/586 new file mode 100644 index 000000000..1bcde0671 --- /dev/null +++ b/results/scraper/fex/586 @@ -0,0 +1,6 @@ +Add optimization pass that changes integer divide to shifts +Loads of integer divides are dividing by powers of two. + +First task is to investigate how often the divisor can be const propagated. +Second task is to see what percentage of those divisors are power of twos +Third task is to convert the division from a divide to a shift. Either by using SBFE or BFE for the sign handling depending on udiv or sdiv. \ No newline at end of file |