| ... | ... | @@ -5774,6 +5774,7 @@ fn airPtrToInt(f: *Function, inst: Air.Inst.Index) !CValue { |
| 5774 | 5774 | const un_op = f.air.instructions.items(.data)[inst].un_op; |
| 5775 | 5775 | |
| 5776 | 5776 | const operand = try f.resolveInst(un_op); |
| 5777 | const operand_ty = f.air.typeOf(un_op); |
| 5777 | 5778 | try reap(f, inst, &.{un_op}); |
| 5778 | 5779 | const inst_ty = f.air.typeOfIndex(inst); |
| 5779 | 5780 | const writer = f.object.writer(); |
| ... | ... | @@ -5783,7 +5784,11 @@ fn airPtrToInt(f: *Function, inst: Air.Inst.Index) !CValue { |
| 5783 | 5784 | try writer.writeAll(" = ("); |
| 5784 | 5785 | try f.renderType(writer, inst_ty); |
| 5785 | 5786 | try writer.writeByte(')'); |
| 5786 | | try f.writeCValue(writer, operand, .Other); |
| 5787 | if (operand_ty.isSlice()) { |
| 5788 | try f.writeCValueMember(writer, operand, .{ .identifier = "len" }); |
| 5789 | } else { |
| 5790 | try f.writeCValue(writer, operand, .Other); |
| 5791 | } |
| 5787 | 5792 | try writer.writeAll(";\n"); |
| 5788 | 5793 | return local; |
| 5789 | 5794 | } |
| ... | ... | @@ -6176,6 +6181,14 @@ fn airAtomicStore(f: *Function, inst: Air.Inst.Index, order: [*:0]const u8) !CVa |
| 6176 | 6181 | return .none; |
| 6177 | 6182 | } |
| 6178 | 6183 | |
| 6184 | fn writeSliceOrPtr(f: *Function, writer: anytype, ptr: CValue, ptr_ty: Type) !void { |
| 6185 | if (ptr_ty.isSlice()) { |
| 6186 | try f.writeCValueMember(writer, ptr, .{ .identifier = "ptr" }); |
| 6187 | } else { |
| 6188 | try f.writeCValue(writer, ptr, .FunctionArgument); |
| 6189 | } |
| 6190 | } |
| 6191 | |
| 6179 | 6192 | fn airMemset(f: *Function, inst: Air.Inst.Index) !CValue { |
| 6180 | 6193 | const bin_op = f.air.instructions.items(.data)[inst].bin_op; |
| 6181 | 6194 | const dest_ty = f.air.typeOf(bin_op.lhs); |
| ... | ... | @@ -6239,11 +6252,7 @@ fn airMemset(f: *Function, inst: Air.Inst.Index) !CValue { |
| 6239 | 6252 | try writer.writeAll(" += "); |
| 6240 | 6253 | try f.object.dg.renderValue(writer, Type.usize, Value.one, .Other); |
| 6241 | 6254 | try writer.writeAll(") ("); |
| 6242 | | switch (dest_ty.ptrSize()) { |
| 6243 | | .Slice => try f.writeCValueMember(writer, dest_slice, .{ .identifier = "ptr" }), |
| 6244 | | .One => try f.writeCValue(writer, dest_slice, .FunctionArgument), |
| 6245 | | .Many, .C => unreachable, |
| 6246 | | } |
| 6255 | try writeSliceOrPtr(f, writer, dest_slice, dest_ty); |
| 6247 | 6256 | try writer.writeAll(")["); |
| 6248 | 6257 | try f.writeCValue(writer, index, .Other); |
| 6249 | 6258 | try writer.writeAll("] = "); |
| ... | ... | @@ -6282,22 +6291,41 @@ fn airMemset(f: *Function, inst: Air.Inst.Index) !CValue { |
| 6282 | 6291 | } |
| 6283 | 6292 | |
| 6284 | 6293 | fn airMemcpy(f: *Function, inst: Air.Inst.Index) !CValue { |
| 6285 | | const pl_op = f.air.instructions.items(.data)[inst].pl_op; |
| 6286 | | const extra = f.air.extraData(Air.Bin, pl_op.payload).data; |
| 6287 | | const dest_ptr = try f.resolveInst(pl_op.operand); |
| 6288 | | const src_ptr = try f.resolveInst(extra.lhs); |
| 6289 | | const len = try f.resolveInst(extra.rhs); |
| 6290 | | try reap(f, inst, &.{ pl_op.operand, extra.lhs, extra.rhs }); |
| 6294 | const bin_op = f.air.instructions.items(.data)[inst].bin_op; |
| 6295 | const dest_ptr = try f.resolveInst(bin_op.lhs); |
| 6296 | const src_ptr = try f.resolveInst(bin_op.rhs); |
| 6297 | const dest_ty = f.air.typeOf(bin_op.lhs); |
| 6298 | const src_ty = f.air.typeOf(bin_op.rhs); |
| 6299 | const target = f.object.dg.module.getTarget(); |
| 6291 | 6300 | const writer = f.object.writer(); |
| 6292 | 6301 | |
| 6293 | 6302 | try writer.writeAll("memcpy("); |
| 6294 | | try f.writeCValue(writer, dest_ptr, .FunctionArgument); |
| 6303 | try writeSliceOrPtr(f, writer, dest_ptr, dest_ty); |
| 6295 | 6304 | try writer.writeAll(", "); |
| 6296 | | try f.writeCValue(writer, src_ptr, .FunctionArgument); |
| 6305 | try writeSliceOrPtr(f, writer, src_ptr, src_ty); |
| 6297 | 6306 | try writer.writeAll(", "); |
| 6298 | | try f.writeCValue(writer, len, .FunctionArgument); |
| 6299 | | try writer.writeAll(");\n"); |
| 6307 | switch (dest_ty.ptrSize()) { |
| 6308 | .Slice => { |
| 6309 | const elem_ty = dest_ty.childType(); |
| 6310 | const elem_abi_size = elem_ty.abiSize(target); |
| 6311 | try f.writeCValueMember(writer, dest_ptr, .{ .identifier = "len" }); |
| 6312 | if (elem_abi_size > 1) { |
| 6313 | try writer.print(" * {d});\n", .{elem_abi_size}); |
| 6314 | } else { |
| 6315 | try writer.writeAll(");\n"); |
| 6316 | } |
| 6317 | }, |
| 6318 | .One => { |
| 6319 | const array_ty = dest_ty.childType(); |
| 6320 | const elem_ty = array_ty.childType(); |
| 6321 | const elem_abi_size = elem_ty.abiSize(target); |
| 6322 | const len = array_ty.arrayLen() * elem_abi_size; |
| 6323 | try writer.print("{d});\n", .{len}); |
| 6324 | }, |
| 6325 | .Many, .C => unreachable, |
| 6326 | } |
| 6300 | 6327 | |
| 6328 | try reap(f, inst, &.{ bin_op.lhs, bin_op.rhs }); |
| 6301 | 6329 | return .none; |
| 6302 | 6330 | } |
| 6303 | 6331 | |
Andrew Kelley <andrew@ziglang.org> 2023-04-21 20:11:43-07:00
src