JIT: Enable containment for BMI2 shift and rotate instructions#111778
Merged
BruceForstall merged 6 commits intodotnet:mainfrom Mar 18, 2025
Merged
JIT: Enable containment for BMI2 shift and rotate instructions#111778BruceForstall merged 6 commits intodotnet:mainfrom
BruceForstall merged 6 commits intodotnet:mainfrom
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@saucecontrol Please merge up to main. |
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@saucecontrol Sorry, there's a new merge conflict. Can you merge and resolve it? |
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Done, and took care of #113237 (review) |
BruceForstall
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Mar 18, 2025
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Fixes #67314
Fixes #81522
This enables containment for the BMI2 shift and rotate instructions, and it enables those instructions on x86.
Diffs look good. There's a size regression on x86, since sarx/shlx/shrx are larger, but they are also much faster than the legacy instructions that take shift amount in
cl.