Implement pinned register usage through set_pinned_reg/get_pinned_reg;

2020-04-21 12:12:03 +02:00
parent d1b5df31fd
commit 241c164e25
7 changed files with 97 additions and 20 deletions
--- a/cranelift/codegen/src/isa/aarch64/lower.rs
+++ b/cranelift/codegen/src/isa/aarch64/lower.rs
@@ -1935,9 +1935,16 @@ fn lower_insn_to_regs<C: LowerCtx<I = Inst>>(ctx: &mut C, insn: IRInst) {
            }
        }

-        Opcode::GetPinnedReg
-        | Opcode::SetPinnedReg
-        | Opcode::Spill
+        Opcode::GetPinnedReg => {
+            let rd = output_to_reg(ctx, outputs[0]);
+            ctx.emit(Inst::GetPinnedReg { rd });
+        }
+        Opcode::SetPinnedReg => {
+            let rm = input_to_reg(ctx, inputs[0], NarrowValueMode::None);
+            ctx.emit(Inst::SetPinnedReg { rm });
+        }
+
+        Opcode::Spill
        | Opcode::Fill
        | Opcode::FillNop
        | Opcode::Regmove