68186 2011-09-15 13:27:11 -0700 All of the functionality in the non-speculative JIT should be available to the speculative JIT via helper methods 2011-09-15 14:50:21 -0700 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) All All RESOLVED FIXED P2 Normal --- 68177 1 fpizlo webkit-unassigned barraclough fpizlo ggaren oldest_to_newest 468037 0 fpizlo 2011-09-15 13:27:11 -0700 In some cases the speculative JIT may have evidence that speculating on the type of a particular variable is unprofitable. In those cases it's likely to make sense to emit what the non-speculative JIT would have emitted, but only for uses of that variable. Doing this requires having the non-speculative JIT's code generator available on a per-opcode basis in the form of helper methods in JITCodeGenerator. 468045 1 107542 fpizlo 2011-09-15 13:34:22 -0700 Created attachment 107542 the patch 468098 2 fpizlo 2011-09-15 14:50:21 -0700 Landed in r95230. 107542 2011-09-15 13:34:22 -0700 2011-09-15 14:06:27 -0700 the patch nonspecpillage_patch_1.diff text/plain 55242 fpizlo SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gOTUyMjEpCisrKyBTb3VyY2Uv SmF2YVNjcmlwdENvcmUvQ2hhbmdlTG9nCSh3b3JraW5nIGNvcHkpCkBAIC0xLDMgKzEsMzMgQEAK KzIwMTEtMDktMTUgIEZpbGlwIFBpemxvICA8ZnBpemxvQGFwcGxlLmNvbT4KKworICAgICAgICBB bGwgb2YgdGhlIGZ1bmN0aW9uYWxpdHkgaW4gdGhlIG5vbi1zcGVjdWxhdGl2ZSBKSVQgc2hvdWxk IGJlCisgICAgICAgIGF2YWlsYWJsZSB0byB0aGUgc3BlY3VsYXRpdmUgSklUIHZpYSBoZWxwZXIg 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