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HOL-Light: Minor clean-ups #1502

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Merged
hanno-becker merged 1 commit into from
Nov 4, 2026
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HOL-Light: Minor clean-ups #1502

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17 changes: 0 additions & 17 deletions proofs/hol_light/aarch64/proofs/aarch64_utils.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -61,23 +61,6 @@ let MAP_UNTIL_TARGET_PC f n = fun (asl, w) ->
(TARGET_PC_REACHED_TAC target_pc ORELSE (f n THEN core (n + 1))) (asl, w)
in core n (asl, w);;

(* ========================================================================= *)
(* SIMD simplification: subword extraction + numeric reduction + folding. *)
(* ========================================================================= *)

let SIMD_SIMPLIFY_CONV unfold_defs =
TOP_DEPTH_CONV
(REWR_CONV WORD_SUBWORD_AND ORELSEC WORD_SIMPLE_SUBWORD_CONV) THENC
DEPTH_CONV WORD_NUM_RED_CONV THENC
REWRITE_CONV (map GSYM unfold_defs);;

let SIMD_SIMPLIFY_TAC unfold_defs =
let simdable = can (term_match [] `read X (s:armstate):int128 = whatever`) in
TRY(FIRST_X_ASSUM
(ASSUME_TAC o
CONV_RULE(RAND_CONV (SIMD_SIMPLIFY_CONV unfold_defs)) o
check (simdable o concl)));;

(* ========================================================================= *)
(* Parametric infrastructure for d-bit packed coefficients (SIMD). *)
(* Supports d=18 (GAMMA1=2^17) and d=20 (GAMMA1=2^19). *)
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