[fastcall] Add Wasm entry for Fast API calls
Allow Wasm to generate calls directly to Fast API C functions. This massively reduces the overhead of these calls (~300%). Currently options parameter is not supported. This is a reland of https://chromium-review.googlesource.com/c/v8/v8/+/3364356 with a fix to a data race. Bug: chromium:1052746 Change-Id: I8c1c255419496d03a94ec2b443329842469586d5 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3398394Reviewed-by: Maya Lekova <mslekova@chromium.org> Reviewed-by: Manos Koukoutos <manoskouk@chromium.org> Reviewed-by: Camillo Bruni <cbruni@chromium.org> Commit-Queue: Paolo Severini <paolosev@microsoft.com> Cr-Commit-Position: refs/heads/main@{#78714}
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