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A comment on How many registers does an x86-64 CPU have? (2020). Parent comment

Re:How many registers does an x86-64 CPU have? (2020) by CamelCaseCondo on Saturday February 14, 2026 @10:12AM (#47015097)
op is probably referring to the push all/pop all approach.
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Re:How many registers does an x86-64 CPU have? (2020) by Joker_vD on Saturday February 14, 2026 @10:50AM (#47015410)
No, I don't. I use a common "spill definitely reused call-invariant registers at the prologue, spill call-clobbered registers that need to survive a call at precisely the call site" approach, see the sibling comment for the arithmetic.
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Re:How many registers does an x86-64 CPU have? (2020) by saagarjha on Saturday February 14, 2026 @07:39PM (#47019961)
That’s the push all/pop all approach.
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