[LLVMdev] Calling conventions for YMM registers on AVX

[Demikhovsky, Elena]

Hi,

What is the calling conventions for YMM. According to documents I saw till now, the YMMs are scratch and not saved in callee.
This is also the default behavior of the Intel Compiler.

In X86InstrControl.td the YMMs are not in "defs" set of call.

- Elena


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