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x86_64: fix inline asm match constraints

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Jacob Young 2024-02-13 22:34:20 +01:00
parent 88d0fef92d
commit defef3f1a1
1 changed files with 1 additions and 0 deletions
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src/arch/x86_64/CodeGen.zig
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@ -13500,6 +13500,7 @@ fn airAsm(self: *Self, inst: Air.Inst.Index) !void {
} else if (constraint.len == 1 and std.ascii.isDigit(constraint[0])) arg: {
const index = std.fmt.charToDigit(constraint[0], 10) catch unreachable;
if (index >= args.items.len) return self.fail("constraint out of bounds: '{s}'", .{constraint});
try self.genCopy(ty, args.items[index], input_mcv, .{});
break :arg args.items[index];
} else return self.fail("invalid constraint: '{s}'", .{constraint});
if (arg_mcv.getReg()) |reg| if (RegisterManager.indexOfRegIntoTracked(reg)) |_| {