[PATCH] D56571: [RFC prototype] Implementation of asm-goto support in clang

Jennifer Yu via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Thu May 30 13:14:12 PDT 2019

jyu2 added a comment.

jyu2 committed rG954ec09aed4f <https://reviews.llvm.org/rG954ec09aed4f2be04bb5f4e10dbb4ea8bd19ef9a>: clang support gnu asm goto

In D56571#1523895 <https://reviews.llvm.org/D56571#1523895>, @nickdesaulniers wrote:

> Was this committed accidentally?
> Today in master I see:
> - r362106: Revert "clang support gnu asm goto." Erich Keane <erich.keane at intel.com>
> - r362059: Mark CodeGen/asm-goto.c as x86 specific after r362045 Fangrui Song <maskray at google.com>
> - r362045: clang support gnu asm goto. Jennifer Yu <jennifer.yu at intel.com>
>   and yet this Phabricator review is still open.
>   It may be easier to rebase this into a monorepo checkout, then commit with `git llvm push`. https://llvm.org/docs/GettingStarted.html#for-developers-to-commit-changes-from-git
>   As @kees  noted, for new test files that contain x86 assembly, they need a `-triple` that specifies an x86 target, otherwise the implicit target is based on the host, which may not be x86.  We still want to verify that non-x86 host can cross compile to x86 correctly.  Sorry we did not catch this earlier in code review.

Thanks Kees and Nick!  I am currently work on those tests to see if I can make them more generic.  All my test using x86 instruction.  So that is not working for arm or arm64 target.  Will update you once I am done for this.



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