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Convert scalar_to_vector to ISLE (AArch64) (#4401)

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* Convert `scalar_to_vector` to ISLE (AArch64)

Converted the exisiting implementation of `scalar_to_vector` for AArch64 to
ISLE.

Copyright (c) 2022 Arm Limited

* Add support for floats and fix FpuExtend

- Added rules to cover `f32 -> f32x4` and `f64 -> f64x2` for
`scalar_to_vector`
- Added tests for `scalar_to_vector` on floats.
- Corrected an invalid instruction emitted by `FpuExtend` on 64-bit
values.

Copyright (c) 2022 Arm Limited
This commit is contained in:
Damian Heaton
2022-07-18 19:11:54 +01:00
committed by GitHub
parent f0337c9c76
commit db7f9ccd2b
10 changed files with 135 additions and 25 deletions
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4
cranelift/codegen/src/prelude.isle
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@@ -313,6 +313,10 @@
(decl ty_8_or_16 (Type) Type)
(extern extractor ty_8_or_16 ty_8_or_16)
;; An extractor that matches int and bool types that fit in 32 bits.
(decl int_bool_fits_in_32 (Type) Type)
(extern extractor int_bool_fits_in_32 int_bool_fits_in_32)
;; An extractor that matches I64 or B64.
(decl ty_int_bool_64 (Type) Type)
(extern extractor ty_int_bool_64 ty_int_bool_64)