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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/4126 | |
| parent | 63d2e9d409831aa8582787234cae4741847504b7 (diff) | |
| download | qemu-analysis-main.tar.gz qemu-analysis-main.zip | |
Diffstat (limited to 'results/scraper/fex/4126')
| -rw-r--r-- | results/scraper/fex/4126 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/results/scraper/fex/4126 b/results/scraper/fex/4126 new file mode 100644 index 000000000..1aaf1d61d --- /dev/null +++ b/results/scraper/fex/4126 @@ -0,0 +1,7 @@ +80-bit x87 Loadstores can use SVE masked loadstores +Currently we need to split these in to a 64-bit and 16-bit loadstore operations. +With SVE and masking loadstores this can be changed in to one. +First step would probably be to convert current operations that need to do 80-bit loadstores to synthesize the required predicate and then to the loadstore. +Step after that would be to add predicate registers to our RA allocator so we can cache the 80-bit predicate across multiple loadstores (like fnsave, frstor would want). + +Purely a performance optimization around x87 80-bit loadstores. \ No newline at end of file |