[Openmp-commits] [PATCH] D91002: [OpenMP] Fix asm for arm64-darwin

FX Coudert via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Sat Nov 7 06:08:01 PST 2020

fxcoudert created this revision.
fxcoudert added reviewers: OpenMP, jdoerfert.
fxcoudert added a project: OpenMP.
Herald added subscribers: openmp-commits, pengfei, guansong, kristof.beyls, yaxunl.
fxcoudert requested review of this revision.
Herald added a subscriber: sstefan1.

Fixes https://bugs.llvm.org/show_bug.cgi?id=47609

Two issues to be fixed, allowing OpenMP to compile and run on Apple Silicon (arm64-darrwin):

- __kmp_unnamed_criticaladdr needs an extra underscore on Darwin
- the .size should be Linux-only

Both fixes are pretty much the same as the existing X86 and X86_64 Darwin code at the top of that same file.

  rG LLVM Github Monorepo



Index: openmp/runtime/src/z_Linux_asm.S
--- openmp/runtime/src/z_Linux_asm.S
+++ openmp/runtime/src/z_Linux_asm.S
@@ -1741,10 +1741,12 @@
     .comm .gomp_critical_user_,32,8
     .align 8
-    .global __kmp_unnamed_critical_addr
+    .global KMP_PREFIX_UNDERSCORE(__kmp_unnamed_critical_addr)
     .8byte .gomp_critical_user_
     .size __kmp_unnamed_critical_addr,8
+# endif /* KMP_OS_LINUX */
 #endif /* KMP_ARCH_PPC64 || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS64 ||
           KMP_ARCH_RISCV64 */

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