diff options
Diffstat (limited to 'src/codegen/c.zig')
| -rw-r--r-- | src/codegen/c.zig | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/src/codegen/c.zig b/src/codegen/c.zig index 83e5dddd5a..a0a68131d6 100644 --- a/src/codegen/c.zig +++ b/src/codegen/c.zig @@ -1709,11 +1709,11 @@ fn genBody(f: *Function, body: []const Air.Inst.Index) error{ AnalysisFail, OutO .memcpy => try airMemcpy(f, inst), .set_union_tag => try airSetUnionTag(f, inst), .get_union_tag => try airGetUnionTag(f, inst), - .clz => try airBuiltinCall(f, inst, "clz", .{}), - .ctz => try airBuiltinCall(f, inst, "ctz", .{}), - .popcount => try airBuiltinCall(f, inst, "popcount", .{}), - .byte_swap => try airBuiltinCall(f, inst, "byte_swap", .{ .needs_signedness_info = true }), - .bit_reverse => try airBuiltinCall(f, inst, "bit_reverse", .{ .needs_signedness_info = true }), + .clz => try airBuiltinCall(f, inst, "clz"), + .ctz => try airBuiltinCall(f, inst, "ctz"), + .popcount => try airBuiltinCall(f, inst, "popcount"), + .byte_swap => try airBuiltinCall(f, inst, "byte_swap"), + .bit_reverse => try airBuiltinCall(f, inst, "bit_reverse"), .tag_name => try airTagName(f, inst), .error_name => try airErrorName(f, inst), .splat => try airSplat(f, inst), @@ -3351,7 +3351,7 @@ fn airPtrToInt(f: *Function, inst: Air.Inst.Index) !CValue { return local; } -fn airBuiltinCall(f: *Function, inst: Air.Inst.Index, fn_name: [*:0]const u8, options: struct { needs_signedness_info: bool = false }) !CValue { +fn airBuiltinCall(f: *Function, inst: Air.Inst.Index, fn_name: [*:0]const u8) !CValue { if (f.liveness.isUnused(inst)) return CValue.none; const inst_ty = f.air.typeOfIndex(inst); @@ -3362,20 +3362,17 @@ fn airBuiltinCall(f: *Function, inst: Air.Inst.Index, fn_name: [*:0]const u8, op const writer = f.object.writer(); const int_info = operand_ty.intInfo(target); - _ = toCIntBits(int_info.bits) orelse + const c_bits = toCIntBits(int_info.bits) orelse return f.fail("TODO: C backend: implement integer types larger than 128 bits", .{}); - try writer.print(" = zig_{s}(", .{fn_name}); + try writer.print(" = zig_{s}_", .{fn_name}); + const prefix_byte: u8 = switch (int_info.signedness) { + .signed => 'i', + .unsigned => 'u', + }; + try writer.print("{c}{d}(", .{ prefix_byte, c_bits }); try f.writeCValue(writer, try f.resolveInst(operand)); - try writer.print(", {d}", .{int_info.bits}); - if (options.needs_signedness_info) { - const signed_type = switch (int_info.signedness) { - .signed => "true", - .unsigned => "false", - }; - try writer.print(", {s}", .{signed_type}); - } - try writer.writeAll(");\n"); + try writer.print(", {d});\n", .{int_info.bits}); return local; } |