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[AIX] Add -msave-reg-params to save arguments to stack #97524

Merged
merged 1 commit into from
Jul 24, 2024
Merged

[AIX] Add -msave-reg-params to save arguments to stack #97524

merged 1 commit into from
Jul 24, 2024

Commits on Jul 15, 2024

  1. [AIX] Add -msave-reg-params to save arguments to stack 

    In PowerPC ABI, a few initial arguments are passed through registers,
but their places in parameter save area are reserved, arguments passed
by memory goes after the reserved location.

For debugging purpose, we may want to save copy of the pass-by-reg
arguments into correct places on stack. The new option achieves by
adding new function level attribute and make argument lowering part
aware of it.
    @ecnelises
    ecnelises committed Jul 15, 2024
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