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[spec] Fix minor error on v128.store_lane oob condition #2204

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[spec] Fix minor error on v128.store_lane oob condition #2204

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c6b10ef
minor typo on v128 store oob condition
raoxiaojia Jul 6, 2026
a082bf6
backport to 2.0
raoxiaojia Jul 6, 2026
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2 changes: 1 addition & 1 deletion specification/wasm-2.0/8-reduction.spectec
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Original file line number Diff line number Diff line change
Expand Up @@ -583,7 +583,7 @@ rule Step/vstore-val:

rule Step/vstore_lane-oob:
z; (CONST I32 i) (VCONST V128 c) (VSTORE_LANE V128 N ao j) ~> z; TRAP
-- if $(i + ao.OFFSET + N) > |$mem(z, 0).BYTES|
-- if $(i + ao.OFFSET + N/8) > |$mem(z, 0).BYTES|

rule Step/vstore_lane-val:
z; (CONST I32 i) (VCONST V128 c) (VSTORE_LANE V128 N ao j) ~> $with_mem(z, 0, $(i + ao.OFFSET), $(N/8), b*); eps
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2 changes: 1 addition & 1 deletion specification/wasm-3.0/4.3-execution.instructions.spectec
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Expand Up @@ -530,7 +530,7 @@ rule Step/vstore-val:
rule Step/vstore_lane-oob:
z; (CONST at i) (VCONST V128 c) (VSTORE_LANE V128 N x ao j) ~> z; TRAP
----
-- if $(i + ao.OFFSET + N) > |$mem(z, x).BYTES|
-- if $(i + ao.OFFSET + N/8) > |$mem(z, x).BYTES|

rule Step/vstore_lane-val:
z; (CONST at i) (VCONST V128 c) (VSTORE_LANE V128 N x ao j) ~> $with_mem(z, x, $(i + ao.OFFSET), $(N/8), b*); eps
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2 changes: 1 addition & 1 deletion specification/wasm-latest/4.3-execution.instructions.spectec
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Original file line number Diff line number Diff line change
Expand Up @@ -530,7 +530,7 @@ rule Step/vstore-val:
rule Step/vstore_lane-oob:
z; (CONST at i) (VCONST V128 c) (VSTORE_LANE V128 N x ao j) ~> z; TRAP
----
-- if $(i + ao.OFFSET + N) > |$mem(z, x).BYTES|
-- if $(i + ao.OFFSET + N/8) > |$mem(z, x).BYTES|

rule Step/vstore_lane-val:
z; (CONST at i) (VCONST V128 c) (VSTORE_LANE V128 N x ao j) ~> $with_mem(z, x, $(i + ao.OFFSET), $(N/8), b*); eps
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