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isub_extend added #27

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isub_extend added #27

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2 changes: 1 addition & 1 deletion cranelift/codegen/src/isa/aarch64/lower.isle
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Original file line number Diff line number Diff line change
Expand Up @@ -768,7 +768,7 @@

;; Special cases for when we're subtracting an extended register where the
;; extending operation can get folded into the sub itself.
(rule 1 (lower (has_type (fits_in_64 ty) (isub x (extended_value_from_value y))))
(rule isub_extend 1 (lower (has_type (fits_in_64 ty) (isub x (extended_value_from_value y))))
(sub_extend ty x y))

;; Finally a special case for when we're subtracting the shift of a different
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