2b1da67263
This removes tons of architecture-specific code and makes it easy to experiment with other pseudo-RNG algorithms. The crankshafted code is extremely good, keeping all things unboxed and doing only minimal checks, so it is basically equivalent to the handwritten code. When benchmarks are run without parallel recompilation, we get a few percent regression on SunSpider's string-validate-input and string-base64, but these benchmarks run so fast that the overall SunSpider score is hardly affected and within the usual jitter. Note that these benchmarks actually run even faster when we don't crankshaft at all on the main thread (the regression is not caused by bad code, it is caused by Crankshaft needing a few hundred microsecond for compilation of a trivial function). Luckily, when parallel recompilation is enabled, i.e. in the browser, we see no regression at all! R=mstarzinger@chromium.org Review URL: https://codereview.chromium.org/68723002 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17955 ce2b1a6d-e550-0410-aec6-3dcde31c8c00 |
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