diff options
| 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/897 | |
| parent | 63d2e9d409831aa8582787234cae4741847504b7 (diff) | |
| download | qemu-analysis-main.tar.gz qemu-analysis-main.zip | |
Diffstat (limited to 'results/scraper/fex/897')
| -rw-r--r-- | results/scraper/fex/897 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/results/scraper/fex/897 b/results/scraper/fex/897 new file mode 100644 index 000000000..97593c931 --- /dev/null +++ b/results/scraper/fex/897 @@ -0,0 +1,8 @@ +On ARMv8.4 LSE2 supporting devices remove padding on atomic loadstore +ARMv8.4 LSE2 allows atomics to be unaligned which means we no longer need to proactively backpatch these. +We still need to handle the cross-cacheline case. + +Three steps to this. +* Add two new atomic handlers in the signal handler for atomic loads and stores that cross cacheline +* Remove the padding on the TSO loadstores when LSE2 is supported +* Add unit tests for missing atomic loadstore ops that cross cacheline (We already have it for memory atomic ops) \ No newline at end of file |