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archived-llvm-mirror/lib/Target/ARM/Disassembler
Andre Vieira b948965eb4 [ARM] Fix assembly and disassembly for VMRS/VMSR
This patch addresses two issues with assembly and disassembly for VMRS/VMSR:

1.currently VMRS/VMSR instructions accessing fpsid, mvfr{0-2} and fpexc, are
  accepted for non ARMv8-A targets.

2. all VMRS/VMSR instructions accept writing/reading to PC and SP, when only
   ARMv7-A and ARMv8-A should be allowed to write/read to SP and none to PC.

This patch addresses those issues and adds tests for these cases.

Differential Revision: https://reviews.llvm.org/D36306

llvm-svn: 310243
2017-08-07 08:41:05 +00:00
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