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s390x: Fix more regalloc checker errors #5121

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merged 1 commit into from
Oct 25, 2022
Merged

s390x: Fix more regalloc checker errors #5121

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12 changes: 9 additions & 3 deletions cranelift/codegen/src/isa/s390x/inst/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -974,21 +974,27 @@ fn s390x_get_operands<F: Fn(VReg) -> VReg>(inst: &Inst, collector: &mut OperandC
collector.reg_reuse_def(rd, 1);
collector.reg_use(ri);
collector.reg_use(rn);
collector.reg_use(lane_reg);
if lane_reg != zero_reg() {
collector.reg_use(lane_reg);
}
}
&Inst::VecInsertLaneUndef {
rd, rn, lane_reg, ..
} => {
collector.reg_def(rd);
collector.reg_use(rn);
collector.reg_use(lane_reg);
if lane_reg != zero_reg() {
collector.reg_use(lane_reg);
}
}
&Inst::VecExtractLane {
rd, rn, lane_reg, ..
} => {
collector.reg_def(rd);
collector.reg_use(rn);
collector.reg_use(lane_reg);
if lane_reg != zero_reg() {
collector.reg_use(lane_reg);
}
}
&Inst::VecInsertLaneImm { rd, ri, .. } => {
collector.reg_reuse_def(rd, 1);
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