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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....