diff options
Diffstat (limited to 'src/codegen/c.zig')
| -rw-r--r-- | src/codegen/c.zig | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/codegen/c.zig b/src/codegen/c.zig index 826b73317c..22420aca45 100644 --- a/src/codegen/c.zig +++ b/src/codegen/c.zig @@ -900,6 +900,7 @@ fn genBody(o: *Object, body: []const Air.Inst.Index) error{ AnalysisFail, OutOfM .call => try airCall(o, inst), .dbg_stmt => try airDbgStmt(o, inst), .intcast => try airIntCast(o, inst), + .trunc => try airTrunc(o, inst), .bool_to_int => try airBoolToInt(o, inst), .load => try airLoad(o, inst), .ret => try airRet(o, inst), @@ -1038,7 +1039,7 @@ fn airIntCast(o: *Object, inst: Air.Inst.Index) !CValue { return CValue.none; const ty_op = o.air.instructions.items(.data)[inst].ty_op; - const from = try o.resolveInst(ty_op.operand); + const operand = try o.resolveInst(ty_op.operand); const writer = o.writer(); const inst_ty = o.air.typeOfIndex(inst); @@ -1046,11 +1047,21 @@ fn airIntCast(o: *Object, inst: Air.Inst.Index) !CValue { try writer.writeAll(" = ("); try o.dg.renderType(writer, inst_ty); try writer.writeAll(")"); - try o.writeCValue(writer, from); + try o.writeCValue(writer, operand); try writer.writeAll(";\n"); return local; } +fn airTrunc(o: *Object, inst: Air.Inst.Index) !CValue { + if (o.liveness.isUnused(inst)) + return CValue.none; + + const ty_op = o.air.instructions.items(.data)[inst].ty_op; + const operand = try o.resolveInst(ty_op.operand); + _ = operand; + return o.dg.fail("TODO: C backend: airTrunc", .{}); +} + fn airBoolToInt(o: *Object, inst: Air.Inst.Index) !CValue { if (o.liveness.isUnused(inst)) return CValue.none; |