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const std = @import("../std.zig");
const Cpu = std.Target.Cpu;
pub const Feature = enum {
ext,
hwmult16,
hwmult32,
hwmultf5,
};
pub usingnamespace Cpu.Feature.feature_set_fns(Feature);
pub const all_features = blk: {
const len = @typeInfo(Feature).Enum.fields.len;
std.debug.assert(len <= Cpu.Feature.Set.needed_bit_count);
var result: [len]Cpu.Feature = undefined;
result[@enumToInt(Feature.ext)] = .{
.llvm_name = "ext",
.description = "Enable MSP430-X extensions",
.dependencies = featureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.hwmult16)] = .{
.llvm_name = "hwmult16",
.description = "Enable 16-bit hardware multiplier",
.dependencies = featureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.hwmult32)] = .{
.llvm_name = "hwmult32",
.description = "Enable 32-bit hardware multiplier",
.dependencies = featureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.hwmultf5)] = .{
.llvm_name = "hwmultf5",
.description = "Enable F5 series hardware multiplier",
.dependencies = featureSet(&[_]Feature{}),
};
const ti = @typeInfo(Feature);
for (result) |*elem, i| {
elem.index = i;
elem.name = ti.Enum.fields[i].name;
}
break :blk result;
};
pub const cpu = struct {
pub const generic = Cpu{
.name = "generic",
.llvm_name = "generic",
.features = featureSet(&[_]Feature{}),
};
pub const msp430 = Cpu{
.name = "msp430",
.llvm_name = "msp430",
.features = featureSet(&[_]Feature{}),
};
pub const msp430x = Cpu{
.name = "msp430x",
.llvm_name = "msp430x",
.features = featureSet(&[_]Feature{
.ext,
}),
};
};
/// All msp430 CPUs, sorted alphabetically by name.
/// TODO: Replace this with usage of `std.meta.declList`. It does work, but stage1
/// compiler has inefficient memory and CPU usage, affecting build times.
pub const all_cpus = &[_]*const Cpu{
&cpu.generic,
&cpu.msp430,
&cpu.msp430x,
};
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