Displaying 1 result from an estimated 1 matches for "unalign_trp".
2014 Dec 16
1
[LLVMdev] Newbee question: LLVM backend regression tests for thumb1 targets on simulator possible?
...en an unaligned access occurs, whereas v7m can support unaligned
accesses for many of the load and store instructions. I think it'd
be important to set the CCR register on the v7m simulation so that
it always generates an alignment fault in case there's an unaligned
access, i.e. setting CCR.UNALIGN_TRP to 1.
To check that clang indeed only produces v6m instructions when
telling it to target Cortex-m0, I think we could rely on LLVM's
MC layer correctly modelling if an instruction is part of v6m or not,
as our internal MC Hammer test suite[1] has finally, since about 1
month ago, started passi...