Code

WIP: ISLA-derived instruction specs#96

Code

Draft

mmcloughlin wants to merge 73 commits intoverify-mainavanhatt/wasmtime:verify-mainfrom mbm/compile-to-islaavanhatt/wasmtime:mbm/compile-to-islaCopy head branch name to clipboard

+5,163-99

Commits

Commits on Feb 19, 2024

• skeleton isla tool

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  5190aae

• integrate isla

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  1c8692a

• it builds

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  f4af432

• get smt out

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  25e85ba

• trying to get multiple opcodes to work

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  aa70c44

• emit Inst to opcodes

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• Inst to ISLA trace

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• anyhow::bail

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  943bd86

• veri: slight refactor isla emit

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  173bb50

• veri: isla emit tree shake

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• use todo!

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• start adhoc tool to experiment with x64 isla

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• copypasta isla logic into x86

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• attempting to make x64 work

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• first working trace output for x86

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• write x64 traces to files

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• linearization

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• disable simplify::hide_initialization

  Show description for b68e55b
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• emit: add a selection of instructions

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• optionally show full traces

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  f379221

• update emit tool to use isla options

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  ba61ba7

• support filtering for ITE and struct reads

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  e7897da

• post-filter simplify

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• account for PSTATE register writes

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• type inference: support "extra" spec variables

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  0c06bfd

• isle: printer skeleton

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• isle: type printing

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  d6ee519

• isle: printer supports more things

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  8ed0d01

• isle: more printing

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• isle: more spec printing

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  f491dfb

• isle: more printing

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• isle: print if-let

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• basic printer tests

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• ensure printed isle parses

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• alow position tagging to be disabled

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  2876e90

• fix roundtrip errors

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  cda22d8

• test against full isle files

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  dc155ce

• start trace to spec translation

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• more spec translation

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• even more spec translation

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  493aa3d

• use concat to support arbitrary length bitvectors

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  475328c

• handle more spec translation

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  6ef5e50

• isle: support printing of any Printable nodes

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  e85162d

• isle: Errors implement std::error::Error

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• emit: print generated spec

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  814a67a

• emit: tolerate spec conversion failure

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• isaspec adhoc tool for building specs

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  73f231f

• expend spec config to produce a real spec

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• veriisle: specfunc experiment for executing single spec functions

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• veriisle: exec add function

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• isaspec: provide cases

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• generate more alu ops

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• keep debug output

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• elide no-op zext

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  f7decdd

• veriisle: isaspec option to write to file

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  79d673c

• isle: parse spec implication operator

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  b9da528

• codegen: add inst_specs.isle to aarch64 isle compilation

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  5281b49

• veriisle: generate instruction specs

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• verify add lowering to alu_rrr

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• wip

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• x64 footprint

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• switch back to add rule

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  feaa688

• restore imp case in spec_op_to_expr

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• revert changes to aarch64/inst.isle

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  8c95834

• remove debug print in widen to register width

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• wip

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  cfd78d8

• fix build

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  eee9cff

• isaspec generates the (= result #b1) condition

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  2100e74

• use different prefixes for each instruction case

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• handle the 32-bit case

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  cbc0731

• extend sail spec to all bitwidths

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  5374323

• add more aluops

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• define isla dependency with git

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