Displaying 1 result from an estimated 1 matches for "jumptable_tbh".
Did you mean:
jumptable_tbb
2018 Aug 11
2
MachineInstr sizes for ARM jumptables
...lly, when trying to optimize for table size later in
optimizeThumb2JumpTables, the opcode is updated without updating the
size (lib/Target/ARM/ARMConstantIslandPass.cpp:2229):
----------------------------------------------------------------------
unsigned JTOpc = ByteOk ? ARM::JUMPTABLE_TBB : ARM::JUMPTABLE_TBH;
----------------------------------------------------------------------
It seems to me, that the size of that MachineInstr is not used in any
critical calculations (or at all), so it maybe has no consequences
observable in the produced binary. I am however using an analysis
toolkit, which kind of...