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[spec] pull Wasm 1.0 rule changes from downstream #2218

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Merged
rossberg merged 1 commit into from
Jul 28, 2026
Merged

[spec] pull Wasm 1.0 rule changes from downstream #2218

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20 changes: 12 additions & 8 deletions specification/wasm-1.0/8-reduction.spectec
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Original file line number Diff line number Diff line change
Expand Up @@ -8,12 +8,12 @@ relation Step_read: config ~> admininstr* hint(show "E") hint(tabular)
relation Steps: config ~>* config hint(show "E") hint(tabular)

rule Step/pure:
z; instr* ~> z; instr'*
-- Step_pure: instr* ~> instr'*
z; admininstr* ~> z; admininstr'*
-- Step_pure: admininstr* ~> admininstr'*

rule Step/read:
z; instr* ~> z; instr'*
-- Step_read: z; instr* ~> instr'*
z; admininstr* ~> z; admininstr'*
-- Step_read: z; admininstr* ~> admininstr'*

rule Steps/refl:
z; admininstr* ~>* z; admininstr*
Expand Down Expand Up @@ -155,13 +155,17 @@ rule Step_pure/trap-frame:
;; Context

rule Step/ctxt-label:
z; (LABEL_ n `{instr_0*} instr*) ~> z'; (LABEL_ n `{instr_0*} instr'*)
-- Step: z; instr* ~> z'; instr'*
z; (LABEL_ n `{instr_0*} admininstr*) ~> z'; (LABEL_ n `{instr_0*} admininstr'*)
-- Step: z; admininstr* ~> z'; admininstr'*

rule Step/ctxt-frame:
s; f; (FRAME_ n `{f'} instr*) ~> s'; f; (FRAME_ n `{f'} instr'*)
-- Step: s; f'; instr* ~> s'; f'; instr'*
s; f; (FRAME_ n `{f'} admininstr*) ~> s'; f; (FRAME_ n `{f''} admininstr'*)
-- Step: s; f'; admininstr* ~> s'; f''; admininstr'*

rule Step/ctxt-instrs:
z; val* admininstr* admininstr_1* ~> z'; val* admininstr'* admininstr_1*
-- Step: z; admininstr* ~> z'; admininstr'*
-- if val* =/= eps \/ admininstr_1* =/= eps

;; Numeric instructions

Expand Down
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