{"action":"created","issue":{"url":"https://api.github.com/repos/BinaryAnalysisPlatform/bap/issues/149","repository_url":"https://api.github.com/repos/BinaryAnalysisPlatform/bap","labels_url":"https://api.github.com/repos/BinaryAnalysisPlatform/bap/issues/149/labels{/name}","comments_url":"https://api.github.com/repos/BinaryAnalysisPlatform/bap/issues/149/comments","events_url":"https://api.github.com/repos/BinaryAnalysisPlatform/bap/issues/149/events","html_url":"https://github.com/BinaryAnalysisPlatform/bap/issues/149","id":64071949,"number":149,"title":"MMX registers incorrectly aliased to 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current i386 lifter lifts MMX registers as if they were aliases for the lower 64 bits of the SSE registers. However, they are not: they're actually aliases for the lower 64 bits of the FPU data registers.\n\ne.g. `0F EF C0    pxor mmx0, mmx0` gets lifted to `YMM0 := YMM0:255:64 :: (YMM0:63:0 ^ YMM0:63:0)`, when it actually doesn't affect YMM0 at all. The expected result would be to throw an exception or generate a nop, since FPU data regs are currently unmodeled.\n\n(I realize this will probably wait until the i386 lifter rewrite to get addressed, but thought it was good to note.)\n"},"comment":{"url":"https://api.github.com/repos/BinaryAnalysisPlatform/bap/issues/comments/266787111","html_url":"https://github.com/BinaryAnalysisPlatform/bap/issues/149#issuecomment-266787111","issue_url":"https://api.github.com/repos/BinaryAnalysisPlatform/bap/issues/149","id":266787111,"user":{"login":"ivg","id":2336698,"avatar_url":"https://avatars.githubusercontent.com/u/2336698?v=3","gravatar_id":"","url":"https://api.github.com/users/ivg","html_url":"https://github.com/ivg","followers_url":"https://api.github.com/users/ivg/followers","following_url":"https://api.github.com/users/ivg/following{/other_user}","gists_url":"https://api.github.com/users/ivg/gists{/gist_id}","starred_url":"https://api.github.com/users/ivg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ivg/subscriptions","organizations_url":"https://api.github.com/users/ivg/orgs","repos_url":"https://api.github.com/users/ivg/repos","events_url":"https://api.github.com/users/ivg/events{/privacy}","received_events_url":"https://api.github.com/users/ivg/received_events","type":"User","site_admin":false},"created_at":"2016-12-13T16:30:06Z","updated_at":"2016-12-13T16:30:06Z","body":"we will resolve this issue later, when we will consider lifting floating points"}}
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