It is important to distinguish between cases where a parameter uses
an unexpected register versus cases where it is optimized out;
the function may still be called with the right parameter values
in the latter case, they just are not used.
Suggested-by: Alexei Starovoitov <ast@xxxxxxxxxx>
Signed-off-by: Alan Maguire <alan.maguire@xxxxxxxxxx>
---
dwarf_loader.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/dwarf_loader.c b/dwarf_loader.c
index 6ae0954..791845a 100644
--- a/dwarf_loader.c
+++ b/dwarf_loader.c
@@ -1144,14 +1144,12 @@ static struct parameter *parameter__new(Dwarf_Die *die, struct cu *cu,
if (expected_reg >= 0 && expected_reg != expr->atom)
parm->unexpected_reg = 1;
break;
- case DW_OP_breg0 ... DW_OP_breg31:
- break;
default:
- parm->unexpected_reg = 1;
+ parm->optimized = 1;
break;
}
} else if (has_const_value) {
- parm->unexpected_reg = 1;
+ parm->optimized = 1;
}
}
--
2.31.1
