Displaying 1 result from an estimated 1 matches for "74df44fd".
2010 Nov 14
1
[LLVMdev] Pesudo X86 instructions used for generating constants
Hi,
I noticed a bunch of psuedo instructions used for creation of constants without
generating loads. e.g. pxor xmm0, xmm0
Here is an example of what i am referring to snipped from X86InstrSSE.td:
def FsFLD0SS : I<0xEF, MRMInitReg, (outs FR32:$dst), (ins), "",
[(set FR32:$dst, fp32imm0)]>,
Requires<[HasSSE1]>, TB, OpSize;
My question is