[PATCH] D94118: [X86] ESP should not be in the regcall CSR list

[Reid Kleckner via Phabricator via llvm-commits]

rnk added inline comments.


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Comment at: llvm/lib/Target/X86/X86CallingConv.td:1103
 
 // All GPRs - except r11
 def CSR_64_RT_MostRegs : CalleeSavedRegs<(add CSR_64, RAX, RCX, RDX, RSI, RDI,
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pengfei wrote:
> except r11 and rsp?
I don't think that adds any clarification. RSP is preserved, just like you would expect of any regular, non callee-cleanup convention.


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  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D94118/new/

https://reviews.llvm.org/D94118