kc3-lang/angle

2018-03-19T11:55:14

Rely on hash to check for some mangled name matches When we are looking up a function with only a few parameters, we can optimize the lookup by relying on the information encoded in the hash value. There's often only one list of parameters with the same function name and mangled name length that results in a matching hash, so we don't actually need to compare the full mangled name. We can just compare 1) the hash value of the mangled name 2) the mangled name length 3) the function name to make sure that the mangled name matches the mangled name of the function. This decreases the binary size since we don't need store as many mangled names of built-in functions. Effect on symbol lookup speed is marginal. BUG=angleproject:2267 BUG=chromium:823856 TEST=angle_unittests Change-Id: I3ef41d943209509d4e8e6ece14ebad7e2677abc6 Reviewed-on: https://chromium-review.googlesource.com/973242 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>