{"title":"C编译器并发检查器","authors":"Matt Windsor, A. Donaldson, John Wickerson","doi":"10.1145/3460319.3469079","DOIUrl":null,"url":null,"abstract":"The correct compilation of atomic-action concurrency is vital now that multicore processors are ubiquitous. Despite much recent work on automated compiler testing, little existing tooling can test how real-world compilers handle compilation of atomic-action code. We demonstrate C4, a tool for exploring the concurrency behaviour of real-world C compilers such as GCC and LLVM. C4 automates a workflow based on generating, fuzzing, and executing litmus tests. So far, C4 has found two new control-flow bugs in GCC and IBM XL, and reproduced two historic concurrency bugs in GCC 4.","PeriodicalId":188008,"journal":{"name":"Proceedings of the 30th ACM SIGSOFT International Symposium on Software Testing and Analysis","volume":"47 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"C4: the C compiler concurrency checker\",\"authors\":\"Matt Windsor, A. Donaldson, John Wickerson\",\"doi\":\"10.1145/3460319.3469079\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The correct compilation of atomic-action concurrency is vital now that multicore processors are ubiquitous. Despite much recent work on automated compiler testing, little existing tooling can test how real-world compilers handle compilation of atomic-action code. We demonstrate C4, a tool for exploring the concurrency behaviour of real-world C compilers such as GCC and LLVM. C4 automates a workflow based on generating, fuzzing, and executing litmus tests. So far, C4 has found two new control-flow bugs in GCC and IBM XL, and reproduced two historic concurrency bugs in GCC 4.\",\"PeriodicalId\":188008,\"journal\":{\"name\":\"Proceedings of the 30th ACM SIGSOFT International Symposium on Software Testing and Analysis\",\"volume\":\"47 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-07-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 30th ACM SIGSOFT International Symposium on Software Testing and Analysis\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1145/3460319.3469079\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 30th ACM SIGSOFT International Symposium on Software Testing and Analysis","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/3460319.3469079","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The correct compilation of atomic-action concurrency is vital now that multicore processors are ubiquitous. Despite much recent work on automated compiler testing, little existing tooling can test how real-world compilers handle compilation of atomic-action code. We demonstrate C4, a tool for exploring the concurrency behaviour of real-world C compilers such as GCC and LLVM. C4 automates a workflow based on generating, fuzzing, and executing litmus tests. So far, C4 has found two new control-flow bugs in GCC and IBM XL, and reproduced two historic concurrency bugs in GCC 4.
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