Oliver Stannard 7248f4417e [ARM] Avoid switching ARM/Thumb mode on .arch/.cpu directive ... When we see a .arch or .cpu directive, we should try to avoid switching ARM/Thumb mode if possible. If we do have to switch modes, we also need to emit the correct mapping symbol for the new ISA. We did not do this previously, so could emit ARM code with Thumb mapping symbols (or vice-versa). The GAS behaviour is to always stay in the same mode, and to emit an error on any instructions seen when the current mode is not available on the current target. We can't represent that situation easily (we assume that Thumb mode is available if ModeThumb is set), so we differ from the GAS behaviour when switching to a target that can't support the old mode. I've added a warning for when this implicit mode-switch occurs. Differential Revision: http://reviews.llvm.org/D18955 llvm-svn: 265936		2016-04-11 13:06:28 +00:00
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ARMAsmParser.cpp	[ARM] Avoid switching ARM/Thumb mode on .arch/.cpu directive	2016-04-11 13:06:28 +00:00
CMakeLists.txt
LLVMBuild.txt