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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/4264 | |
| parent | 63d2e9d409831aa8582787234cae4741847504b7 (diff) | |
| download | qemu-analysis-main.tar.gz qemu-analysis-main.zip | |
Diffstat (limited to 'results/scraper/fex/4264')
| -rw-r--r-- | results/scraper/fex/4264 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/results/scraper/fex/4264 b/results/scraper/fex/4264 new file mode 100644 index 000000000..54ca59f79 --- /dev/null +++ b/results/scraper/fex/4264 @@ -0,0 +1,10 @@ +Cached predicate register being clobbered by softfp lib call +Unfortunately, the code to cache predicate registers for SVE x87 ldst optimization and the precision tests that do a bunch of: + +``` +load +op +store/pop +``` + +were developed at a similar time and landed more of less at a similar time. We might not have SVE hw in CI and I didn't test this until now. The culprit commit is 72a40636515aaa8986f500ce7f4c5cb546d6127f . What's happening is that in this specific case we are caching p2, calling softfp fcos impl which clobbers p2 and its use in fstp causes the bug - i.e. the test to fail. \ No newline at end of file |