search for: mayneed

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2015 Jul 13
2
[LLVMdev] ARM Jump table pcrelative relaxation in clang / llc
Hi, I have kept working on this and found the following (as llvm 3.5): 1) In the function MCObjectStreamer::EmitInstruction there is a check for the instruction being relaxable or not: if (!Assembler.getBackend().mayNeedRelaxation(Inst)) { EmitInstToData(Inst, STI); return; } At this stage, the instruction as been already selected to be ARM::ADR. The call to mayNeed 2015-07-07 18:06 GMT+03:00 Tim Northover <t.p.northover at gmail.com>: > On 7 July 2015 at 06:06, Eric Bentura <ebentura at gm...
2007 Oct 31
1
error in display function of the ARM package
Hi, I get the following error message when trying to use the display function on the ARM package: > display(model) Error in .Internal(round(x, digits)) : no internal function "round" Looks like some kind of mismatch between the ARM package and some others? Can I somehow get around it? I have learned to like the display function to print model summaries. Here is my sessionInfo():
2015 Jul 07
2
[LLVMdev] ARM Jump table pcrelative relaxation in clang / llc
I have created a small ll file to reproduce the problem. I used the intrinsic function llvm.arm.space to introduce space between the beginning of the code and the jump table. If the first argument of llvm.arm.space is higher than INT_MAX ( *2147483647)*, then the bug is hit. Lower or equal to that value, it passes. It looks like a precision issue. Does this sound familiar to someone? ; ModuleID =