Andy Wingo

North Carolina (USA), 1980

Hacker.

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Andy Wingo 19/01/2014

elf in guile

Good evening, gentle hackfolk!Today I'd like to wrap up my three-part series of articles on what's new in Guile 2.2's compiler and runtime. I talked about the virtual machine a couple months ago, and the compiler internals just last...

Andy Wingo 12/01/2014

a continuation-passing style intermediate language for guile

Happy new year's, hackfolk!A few weeks ago I wrote about the upcoming Guile 2.2 release, and specifically about its new register virtual machine. Today I'd like to burn some electrons on another new part in Guile 2.2, its intermediate...

Andy Wingo 18/12/2013

optimizing let in spidermonkey

Peoples! Firefox now optimizes let-bound variables!What does this mean, you ask? Well, as you nerdy wingolog readers probably know, the new ECMAScript 6 standard is coming soon. ES6 has new facilities that make JavaScript more expressive. At the same...

Andy Wingo 08/05/2013

generators in v8

Hey y'all, ES6 generators have landed in V8! Excellent!Many of you know what that means already, but for those of you that don't, a little story.A few months ago I was talking with Andrew Paprocki over at Bloomberg. They use JavaScript in all...

Andy Wingo 18/04/2013

inside full-codegen, v8's baseline compiler

Greetings to all. This is another nargish article on the internals of the V8 JavaScript engine. If that's your thing, read on. Otherwise, here's an interesting interview with David Harvey. See you laters!full-codegenToday's topic is...

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EmitCreateIteratorResult loads map from function's context

EmitCreateIteratorResult loads map from function's context Caching or serialization can cause full-codegen output to be shared between contexts. CreateIteratorResult, however, was doing the wrong thing by creating results with the map that was current...

Andy Wingo29/10/2014

Move AST node counting to post-pass

Move AST node counting to post-pass R=mstarzinger@chromium.org, svenpanne@chromium.org BUG= Review URL: https://codereview.chromium.org/683023002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24937 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Andy Wingo28/10/2014

Revert "Move AST node counting to post-pass"

Revert "Move AST node counting to post-pass" This reverts commit 698356720824559a6bd81c24be707b44ac277526 for breaking regress-96526-002 among other things. TBR=mstarzinger@chromium.org BUG= Review URL:...

Andy Wingo27/10/2014

Move AST node counting to post-pass

Move AST node counting to post-pass R=mstarzinger@chromium.org, svenpanne@chromium.org BUG= Review URL: https://codereview.chromium.org/675493002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24909 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Andy Wingo27/10/2014

Array.prototype.{reduce, reduceRight}: Wrong order of operations when determining initial value.

Array.prototype.{reduce, reduceRight}: Wrong order of operations when determining initial value. BUG=v8:3534 LOG= R=svenpanne@chromium.org, wingo@igalia.com Review URL: https://codereview.chromium.org/614733002 Patch from Diego Pino . git-svn-id:...

Andy Wingo22/10/2014