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riscv: implement ptr_slice_ptr_ptr

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just one step closer to allocation
This commit is contained in:
David Rubin
2024-07-05 23:00:55 -07:00
parent 93e9c7a963
commit c78ebeb44c
2 changed files with 8 additions and 2 deletions
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9
src/arch/riscv64/CodeGen.zig
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@@ -3433,8 +3433,13 @@ fn airPtrSliceLenPtr(func: *Func, inst: Air.Inst.Index) !void {
fn airPtrSlicePtrPtr(func: *Func, inst: Air.Inst.Index) !void {
const ty_op = func.air.instructions.items(.data)[@intFromEnum(inst)].ty_op;
const result: MCValue = if (func.liveness.isUnused(inst)) .unreach else return func.fail("TODO implement ptr_slice_ptr_ptr for {}", .{func.target.cpu.arch});
return func.finishAir(inst, result, .{ ty_op.operand, .none, .none });
const opt_mcv = try func.resolveInst(ty_op.operand);
const dst_mcv = if (func.reuseOperand(inst, ty_op.operand, 0, opt_mcv))
opt_mcv
else
try func.copyToNewRegister(inst, opt_mcv);
return func.finishAir(inst, dst_mcv, .{ ty_op.operand, .none, .none });
}
fn airSliceElemVal(func: *Func, inst: Air.Inst.Index) !void {