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[ARM] Assembler: ARM LDRD with writeback requires the base register to be different...
authorTilmann Scheller <tilmann.scheller@googlemail.com>
Mon, 30 Sep 2013 16:11:48 +0000 (16:11 +0000)
committerTilmann Scheller <tilmann.scheller@googlemail.com>
Mon, 30 Sep 2013 16:11:48 +0000 (16:11 +0000)
commit9724873c317d2b170cfea87cdf2a402fcd7c6c7d
treebe6d0f82e9e4c6788a6b6551b7d2f5b43f4ca280tree | snapshot
parent7373265e1a2042032dfa48f1d0accca4e5b68fe1commit | diff
[ARM] Assembler: ARM LDRD with writeback requires the base register to be different from the destination registers.

See ARM ARM A8.8.72.

Violating this constraint results in unpredictable behavior.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191678 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/AsmParser/ARMAsmParser.cpp diff | blob | history
test/MC/ARM/arm-ldrd.s diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors