diff options
Diffstat (limited to 'src/codegen/c.zig')
| -rw-r--r-- | src/codegen/c.zig | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/codegen/c.zig b/src/codegen/c.zig index 1bb337743d..6e03de1cca 100644 --- a/src/codegen/c.zig +++ b/src/codegen/c.zig @@ -992,6 +992,8 @@ fn genBody(f: *Function, body: []const Air.Inst.Index) error{ AnalysisFail, OutO .min => try airMinMax(f, inst, "<"), .max => try airMinMax(f, inst, ">"), + .slice => try airSlice(f, inst), + .cmp_eq => try airBinOp(f, inst, " == "), .cmp_gt => try airBinOp(f, inst, " > "), .cmp_gte => try airBinOp(f, inst, " >= "), @@ -1104,8 +1106,7 @@ fn genBody(f: *Function, body: []const Air.Inst.Index) error{ AnalysisFail, OutO } fn airSliceField(f: *Function, inst: Air.Inst.Index, suffix: []const u8) !CValue { - if (f.liveness.isUnused(inst)) - return CValue.none; + if (f.liveness.isUnused(inst)) return CValue.none; const ty_op = f.air.instructions.items(.data)[inst].ty_op; const operand = try f.resolveInst(ty_op.operand); @@ -1641,6 +1642,26 @@ fn airMinMax(f: *Function, inst: Air.Inst.Index, operator: [*:0]const u8) !CValu return local; } +fn airSlice(f: *Function, inst: Air.Inst.Index) !CValue { + if (f.liveness.isUnused(inst)) return CValue.none; + + const bin_op = f.air.instructions.items(.data)[inst].bin_op; + const ptr = try f.resolveInst(bin_op.lhs); + const len = try f.resolveInst(bin_op.rhs); + + const writer = f.object.writer(); + const inst_ty = f.air.typeOfIndex(inst); + const local = try f.allocLocal(inst_ty, .Const); + + try writer.writeAll(" = {"); + try f.writeCValue(writer, ptr); + try writer.writeAll(", "); + try f.writeCValue(writer, len); + try writer.writeAll("};\n"); + + return local; +} + fn airCall(f: *Function, inst: Air.Inst.Index) !CValue { const pl_op = f.air.instructions.items(.data)[inst].pl_op; const extra = f.air.extraData(Air.Call, pl_op.payload); |