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Fix uextend on x64 for non-i32-source cases. #3906

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merged 2 commits into from
Mar 9, 2022
Merged

Fix uextend on x64 for non-i32-source cases. #3906

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5bf6200
Add runtests to expose uextend bug.
cfallin Mar 9, 2022
205d040
Fix x64 lowering patterns for i32->i64 uextend special case.
cfallin Mar 9, 2022
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20 changes: 10 additions & 10 deletions cranelift/codegen/src/isa/x64/lower.isle
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Original file line number Diff line number Diff line change
Expand Up @@ -1894,34 +1894,34 @@
;; keep these here than write an external extractor containing bits of
;; the instruction pattern.s)
(rule (lower (has_type $I64
(uextend src @ (iadd _ _))))
(uextend src @ (has_type $I32 (iadd _ _)))))
src)
(rule (lower (has_type $I64
(uextend src @ (iadd_ifcout _ _))))
(uextend src @ (has_type $I32 (iadd_ifcout _ _)))))
src)
(rule (lower (has_type $I64
(uextend src @ (isub _ _))))
(uextend src @ (has_type $I32 (isub _ _)))))
src)
(rule (lower (has_type $I64
(uextend src @ (imul _ _))))
(uextend src @ (has_type $I32 (imul _ _)))))
src)
(rule (lower (has_type $I64
(uextend src @ (band _ _))))
(uextend src @ (has_type $I32 (band _ _)))))
src)
(rule (lower (has_type $I64
(uextend src @ (bor _ _))))
(uextend src @ (has_type $I32 (bor _ _)))))
src)
(rule (lower (has_type $I64
(uextend src @ (bxor _ _))))
(uextend src @ (has_type $I32 (bxor _ _)))))
src)
(rule (lower (has_type $I64
(uextend src @ (ishl _ _))))
(uextend src @ (has_type $I32 (ishl _ _)))))
src)
(rule (lower (has_type $I64
(uextend src @ (ushr _ _))))
(uextend src @ (has_type $I32 (ushr _ _)))))
src)
(rule (lower (has_type $I64
(uextend src @ (uload32 _ _ _))))
(uextend src @ (has_type $I32 (uload32 _ _ _)))))
src)

;; Rules for `sextend` / `bextend` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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2 changes: 1 addition & 1 deletion cranelift/codegen/src/isa/x64/lower/isle/generated_code.manifest
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
src/clif.isle 9ea75a6f790b5c03
src/prelude.isle b2bc986bcbbbb77
src/isa/x64/inst.isle 40f495d3ca5ae547
src/isa/x64/lower.isle faa2a07bba48a813
src/isa/x64/lower.isle c049f7d36db0e0fb
186 changes: 96 additions & 90 deletions cranelift/codegen/src/isa/x64/lower/isle/generated_code.rs
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