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tyfkda / xcc

Standalone C compiler/assembler/linker/libc for x86-64/aarch64/riscv64/wasm
https://tyfkda.github.io/xcc/
MIT License
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Allocate extra stack frame in function prologue #140

Open tyfkda opened 6 months ago

tyfkda commented 6 months ago

When function call uses stack frame (e.g. struct argument or result, vaargs) stack pointer manipulation is required. To avoid it, allocate extra stack frame in function prologue.

Concern: