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1024998
2013 Apr 01
2
[LLVMdev] Instruction Implementation
hi all
I have a question about implementing a new instruction which does this
function f(x) = x + ceilf (x) .x is a single float
i have already added the instruction in my backend in the .td file
def SUBCEIL_S : FFR<0x11, 0x3, 16, (outs FGR32:$fd), (ins FGR32:$fs),
"frac.s\t$fd, $fs", [(set (f32 FGR32:$fd), (fadd (f32 FGR32:$fs ),(f32
(ceilf FGR32:$fs))))] >;
it makes