diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/codegen/c.zig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/codegen/c.zig b/src/codegen/c.zig index 5d350f7bd5..99ac0cfe00 100644 --- a/src/codegen/c.zig +++ b/src/codegen/c.zig @@ -160,6 +160,8 @@ fn genFn(file: *C, decl: *Decl) !void { if (switch (inst.tag) { .assembly => try genAsm(&ctx, inst.castTag(.assembly).?), .call => try genCall(&ctx, inst.castTag(.call).?), + .add => try genBinOp(&ctx, inst.cast(Inst.BinOp).?, "+"), + .sub => try genBinOp(&ctx, inst.cast(Inst.BinOp).?, "-"), .ret => try genRet(&ctx, inst.castTag(.ret).?), .retvoid => try genRetVoid(&ctx), .arg => try genArg(&ctx), @@ -207,6 +209,19 @@ fn genIntCast(ctx: *Context, inst: *Inst.UnOp) !?[]u8 { return name; } +fn genBinOp(ctx: *Context, inst: *Inst.BinOp, comptime operator: []const u8) !?[]u8 { + if (inst.base.isUnused()) + return null; + const lhs = ctx.resolveInst(inst.lhs); + const rhs = ctx.resolveInst(inst.rhs); + const writer = ctx.file.main.writer(); + const name = try ctx.name(); + try writer.writeAll(indentation ++ "const "); + try renderType(ctx, writer, inst.base.ty); + try writer.print(" {} = {} " ++ operator ++ " {};\n", .{ name, lhs, rhs }); + return name; +} + fn genCall(ctx: *Context, inst: *Inst.Call) !?[]u8 { const writer = ctx.file.main.writer(); const header = ctx.file.header.writer(); |