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x64: port load to ISLE (#3993)

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This change moves the majority of the lowerings for CLIF's `load`
instruction over to ISLE. To do so, it also migrates the previous
mechanism for creating an `Amode` (`lower_to_amode`) to several ISLE
rules (see `to_amode`).
This commit is contained in:
Andrew Brown
2022-04-07 18:31:22 -07:00
committed by GitHub
parent 76f7cde673
commit f62199da8c
12 changed files with 1726 additions and 806 deletions
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9
cranelift/codegen/src/prelude.isle
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@@ -265,6 +265,10 @@
(decl ty_int_bool_64 (Type) Type)
(extern extractor ty_int_bool_64 ty_int_bool_64)
;; An extractor that matches I64 or B64 or R64.
(decl ty_int_bool_ref_64 (Type) Type)
(extern extractor ty_int_bool_ref_64 ty_int_bool_ref_64)
;; An extractor that matches I128 or B128.
(decl ty_int_bool_128 (Type) Type)
(extern extractor ty_int_bool_128 ty_int_bool_128)
@@ -379,6 +383,10 @@
(extractor (u64_from_iconst x)
(def_inst (iconst (u64_from_imm64 x))))
;; Convert an `Offset32` to a primitive number.
(decl offset32_to_u32 (Offset32) u32)
(extern constructor offset32_to_u32 offset32_to_u32)
;; Instruction creation helpers ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Emit an instruction.
@@ -564,3 +572,4 @@
(convert ValueRegs InstOutput output)
(convert Reg InstOutput output_reg)
(convert Value InstOutput output_value)
(convert Offset32 u32 offset32_to_u32)