prolog_saveregs

Save registers that the function destroys, but that the ABI says should be preserved across function calls.

Emit Dwarf info for these saves.

nothrow @safe @trusted
void
prolog_saveregs
(,
regm_t topush
,)

Parameters

cdb CodeBuilder

append generated instructions to this

topush regm_t

mask of registers to push

cfa_offset int

offset of frame pointer from CFA

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