Convert gcc-loops to JS-style scoring
Build with the same options (-O2, Emscripten MODULARIZE, etc.) as TSF-wasm before.
Use the WasmEMCCBenchmark class introduced earlier.
Since we want to run multiple iterations (for first, average, worst scoring), change to small workload size.
Each individual iteration still runs >20ms, which we agreed on in the last sync.
Drive-by fixes:
The WasmEMCCBenchmark setup code needs to make sure we don't automatically run main() after setupModule().
The TSF-wasm build script uses `set -o pipefail`, which is a bash option, hence change shebang line.
Add Wall time output also for WasmEMCCBenchmark and WasmLegacyBenchmark.
11 files changed
