Author: mkuper Date: Mon Dec 12 13:11:39 2016 New Revision: 289455 URL: http://llvm.org/viewvc/llvm-project?rev=289455&view=rev Log: Bring back note about not supporting global register variables.
This was accidentally removed in r260506, even though we only support non-allocatable global register variables. The general (allocatable) case is explicitly not supported. Differential Revision: https://reviews.llvm.org/D27473 Modified: cfe/trunk/docs/UsersManual.rst Modified: cfe/trunk/docs/UsersManual.rst URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/UsersManual.rst?rev=289455&r1=289454&r2=289455&view=diff ============================================================================== --- cfe/trunk/docs/UsersManual.rst (original) +++ cfe/trunk/docs/UsersManual.rst Mon Dec 12 13:11:39 2016 @@ -1830,6 +1830,10 @@ extensions are not implemented yet: ... local_function(1); +- clang only supports global register variables when the register specified + is non-allocatable (e.g. the stack pointer). Support for general global + register variables is unlikely to be implemented soon because it requires + additional LLVM backend support. - clang does not support static initialization of flexible array members. This appears to be a rarely used extension, but could be implemented pending user demand. _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
