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2011 Oct 07
0
[LLVMdev] AVX Naming
...reading dumps with the current AVX names. Before regalloc it is harder to determine the vector length of an instruction at a glance. To overcome that, I started using a naming convention of: VxADDSSrm VxADDPSrm VyADDPSrm What do people think? I realize it's "only" naming but when scannig debug dumps I've found it really helpful to quicky determine how something was vectorized. From a performance debugging standpoint, vector length is often an indication of problems or missed opportunities. I'm willing to do a gradual mechanical change if this seems reasonable to people....