Add Wasm load and store API to UntypedValue

[Robbepop]

Nearly all other Wasm operations are already included in the UntypedValue API but store and load operations were still missing. This will help to reduce code duplication especially if more wasmi engine backends and routines are added over time. Also this shifts some code from the bloated wasmi crate over to the more lightweight wasmi_core crate.

[paritytech-cicd-pr]

BENCHMARKS

	NATIVE			WASMTIME
BENCHMARK	MASTER	PR	DIFF	MASTER	PR	DIFF	WASMTIME OVERHEAD
execute/ bare_call_0	1.37ms	1.34ms	🔴 -2.24%	1.12ms	1.20ms	🔴 6.92%	🟢 -10%
execute/ bare_call_0/typed	972.23µs	983.17µs	🔴 1.21%	718.80µs	754.11µs	🔴 4.79%	🟢 -23%
execute/ bare_call_1	1.48ms	1.42ms	🔴 -4.11%	1.35ms	1.48ms	🔴 10.05%	🟢 5%
execute/ bare_call_16	2.51ms	2.45ms	🔴 -2.30%	4.20ms	4.25ms	🟢 1.19%	🟡 73%
execute/ bare_call_16/typed	1.59ms	1.64ms	🔴 2.78%	2.33ms	2.28ms	🟢 -2.15%	🟢 39%
execute/ bare_call_1/typed	1.06ms	1.08ms	🔴 1.43%	1.08ms	1.17ms	🔴 7.96%	🟢 8%
execute/ bare_call_4	1.55ms	1.62ms	🔴 3.88%	1.97ms	2.06ms	🔴 4.77%	🟢 27%
execute/ bare_call_4/typed	1.14ms	1.09ms	🟢 -4.65%	1.18ms	1.16ms	🟢 -1.46%	🟢 6%
execute/ br_table	1.18ms	1.08ms	🟢 -8.44%	1.30ms	1.32ms	🔴 1.74%	🟢 22%
execute/ count_until	682.63µs	711.57µs	🔴 4.12%	2.29ms	2.24ms	🟢 -2.11%	🔴 214%
execute/ factorial_iterative	322.25µs	321.20µs	⚪ -0.09%	884.27µs	895.97µs	⚪ 1.12%	🔴 179%
execute/ factorial_recursive	642.34µs	641.38µs	⚪ -0.39%	1.51ms	1.68ms	🔴 10.84%	🔴 161%
execute/ fib_iterative	1.43ms	1.46ms	🔴 1.65%	4.65ms	4.56ms	🟢 -1.88%	🔴 213%
execute/ fib_recursive	5.90ms	5.80ms	🟢 -1.80%	13.27ms	15.11ms	🔴 13.80%	🔴 161%
execute/ global_bump	1.07ms	1.11ms	🔴 3.00%	3.21ms	3.35ms	🔴 4.22%	🔴 203%
execute/ global_const	718.77µs	733.29µs	⚪ 2.47%	2.49ms	2.53ms	🔴 1.52%	🔴 245%
execute/ host_calls	29.14µs	29.46µs	⚪ 1.04%	42.78µs	45.63µs	🔴 6.69%	🟡 55%
execute/ memory_fill	1.31ms	1.35ms	🔴 3.33%	4.14ms	4.15ms	⚪ 0.32%	🔴 208%
execute/ memory_sum	1.31ms	1.32ms	⚪ 0.69%	4.22ms	4.13ms	🟢 -1.75%	🔴 213%
execute/ memory_vec_add	2.66ms	2.82ms	🔴 5.86%	8.57ms	8.96ms	🔴 4.59%	🔴 218%
execute/ recursive_is_even	1.16ms	1.13ms	🟢 -3.13%	2.35ms	2.73ms	🔴 16.15%	🔴 143%
execute/ recursive_ok	143.09µs	144.09µs	⚪ 0.82%	337.97µs	376.52µs	🔴 11.36%	🔴 161%
execute/ recursive_scan	179.67µs	181.16µs	⚪ 0.73%	443.73µs	485.12µs	🔴 12.93%	🔴 168%
execute/ recursive_trap	14.14µs	14.29µs	⚪ 0.94%	31.80µs	38.41µs	🔴 21.17%	🔴 169%
execute/ regex_redux	581.34µs	576.94µs	⚪ -0.74%	1.56ms	1.70ms	🔴 9.07%	🔴 194%
execute/ rev_complement	508.85µs	534.31µs	🔴 4.92%	1.52ms	1.57ms	🔴 3.29%	🔴 194%
execute/ tiny_keccak	363.12µs	376.20µs	🔴 3.41%	1.24ms	1.26ms	⚪ 0.57%	🔴 234%
execute/ trunc_f2i	916.79µs	909.94µs	⚪ -0.55%	2.63ms	2.54ms	🟢 -3.89%	🔴 179%
instantiate/ wasm_kernel	58.44µs	60.64µs	🔴 6.00%	71.66µs	71.68µs	⚪ 2.04%	🟢 18%
translate/ erc1155	213.46µs	208.30µs	🟢 -1.87%	402.29µs	403.62µs	⚪ -0.27%	🟡 94%
translate/ erc20	104.08µs	102.39µs	🟢 -1.51%	196.05µs	199.44µs	🔴 1.67%	🟡 95%
translate/ erc721	150.09µs	147.64µs	🟢 -2.04%	287.79µs	286.72µs	⚪ -0.47%	🟡 94%
translate/ spidermonkey	0.00ns	0.00ns	⚪ -1.39%	0.00ns	0.00ns	⚪ 0.38%	🟢 0%
translate/ wasm_kernel	3.89ms	3.87ms	⚪ -0.50%	7.68ms	7.61ms	⚪ -0.79%	🟡 96%

Link to pipeline

[codecov-commenter]

Codecov Report

Merging #608 (edbd3cd) into master (d2069ce) will increase coverage by 0.12%.
The diff coverage is 97.45%.

@@            Coverage Diff             @@
##           master     #608      +/-   ##
==========================================
+ Coverage   80.85%   80.98%   +0.12%     
==========================================
  Files          82       82              
  Lines        6702     6758      +56     
==========================================
+ Hits         5419     5473      +54     
- Misses       1283     1285       +2     

Impacted Files	Coverage Δ
crates/wasmi/src/engine/executor.rs	97.84% <90.90%> (-0.35%)	⬇️
crates/core/src/untyped.rs	96.42% <100.00%> (+0.88%)	⬆️
crates/wasmi/src/engine/cache.rs	82.71% <100.00%> (-2.55%)	⬇️

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