search for: immediateinstruction

Displaying 3 results from an estimated 3 matches for "immediateinstruction".

2016 Jun 13
2
LLVM IR intrinsics placeholder for strings [was Re: Back end with special loop instructions (using LLVM IR intrinsics)]
...s, one for EACH possible string: // To put in the Intrinsics_....td file: def int_my_intrinsic1 : Intrinsic<[], [], []>; ... def int_my_intrinsicN : Intrinsic<[], [], []>; // To put in the InstrInfo.td file something like: def STR_PLACEHOLDER1 : ImmediateInstruction< 0b111111, (outs), (ins), "string_that_llc_codegen_should_output_as_assembly1", [(int_my_intrinsic1)] >;...
2016 May 30
1
Back end with special loop instructions
Hi Alex, You might find it useful to look at how lib/Target/PowerPC/PPCCTRLoops.cpp works. -Hal ----- Original Message ----- > From: "Alex Susu via llvm-dev" <llvm-dev at lists.llvm.org> > To: "llvm-dev" <llvm-dev at lists.llvm.org> > Sent: Monday, May 30, 2016 5:09:37 PM > Subject: [llvm-dev] Back end with special loop instructions > > Hello.
2016 May 30
2
Back end with special loop instructions
Hello. I'm writing a back end for my research SIMD processor that has an assembly language that is blocked structured, with one-level loops. An example program with my assembly language: REPEAT_X_TIMES(Param2) R0 = LS[offset_A]; END_REPEAT; The LLVM code somewhat equivalent to the above ASM program is: vector.body: %index = phi i64 [