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Reuse rd as tmp reg in LoadAddr

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This commit is contained in:
bjorn3
2020-04-17 11:50:00 +02:00
parent 4960c9a0c6
commit 259de864e4
1 changed files with 2 additions and 3 deletions
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5
cranelift/codegen/src/isa/aarch64/inst/emit.rs
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@@ -1291,9 +1291,8 @@ impl<O: MachSectionOutput> MachInstEmit<O> for Inst {
}; };
inst.emit(sink); inst.emit(sink);
} else { } else {
let tmp = writable_spilltmp_reg();
let const_insts = let const_insts =
Inst::load_constant(tmp, u64::try_from(fp_off.abs()).unwrap()); Inst::load_constant(rd, u64::try_from(fp_off.abs()).unwrap());
for inst in const_insts { for inst in const_insts {
inst.emit(sink); inst.emit(sink);
} }
@@ -1301,7 +1300,7 @@ impl<O: MachSectionOutput> MachInstEmit<O> for Inst {
alu_op, alu_op,
rd, rd,
rn: fp_reg(), rn: fp_reg(),
rm: tmp.to_reg(), rm: rd.to_reg(),
}; };
inst.emit(sink); inst.emit(sink);
} }