497 lines
14 KiB
Zig
497 lines
14 KiB
Zig
const std = @import("../std.zig");
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const CpuFeature = std.Target.Cpu.Feature;
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const CpuModel = std.Target.Cpu.Model;
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pub const Feature = enum {
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deprecated_v8,
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detectroundchange,
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fixallfdivsqrt,
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hard_quad_float,
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hasleoncasa,
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hasumacsmac,
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insertnopload,
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leon,
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leoncyclecounter,
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leonpwrpsr,
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no_fmuls,
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no_fsmuld,
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popc,
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soft_float,
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soft_mul_div,
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v9,
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vis,
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vis2,
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vis3,
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};
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pub usingnamespace CpuFeature.feature_set_fns(Feature);
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pub const all_features = blk: {
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const len = @typeInfo(Feature).Enum.fields.len;
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std.debug.assert(len <= CpuFeature.Set.needed_bit_count);
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var result: [len]CpuFeature = undefined;
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result[@enumToInt(Feature.deprecated_v8)] = .{
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.llvm_name = "deprecated-v8",
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.description = "Enable deprecated V8 instructions in V9 mode",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.detectroundchange)] = .{
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.llvm_name = "detectroundchange",
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.description = "LEON3 erratum detection: Detects any rounding mode change request: use only the round-to-nearest rounding mode",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.fixallfdivsqrt)] = .{
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.llvm_name = "fixallfdivsqrt",
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.description = "LEON erratum fix: Fix FDIVS/FDIVD/FSQRTS/FSQRTD instructions with NOPs and floating-point store",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.hard_quad_float)] = .{
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.llvm_name = "hard-quad-float",
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.description = "Enable quad-word floating point instructions",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.hasleoncasa)] = .{
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.llvm_name = "hasleoncasa",
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.description = "Enable CASA instruction for LEON3 and LEON4 processors",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.hasumacsmac)] = .{
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.llvm_name = "hasumacsmac",
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.description = "Enable UMAC and SMAC for LEON3 and LEON4 processors",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.insertnopload)] = .{
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.llvm_name = "insertnopload",
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.description = "LEON3 erratum fix: Insert a NOP instruction after every single-cycle load instruction when the next instruction is another load/store instruction",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.leon)] = .{
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.llvm_name = "leon",
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.description = "Enable LEON extensions",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.leoncyclecounter)] = .{
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.llvm_name = "leoncyclecounter",
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.description = "Use the Leon cycle counter register",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.leonpwrpsr)] = .{
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.llvm_name = "leonpwrpsr",
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.description = "Enable the PWRPSR instruction",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.no_fmuls)] = .{
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.llvm_name = "no-fmuls",
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.description = "Disable the fmuls instruction.",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.no_fsmuld)] = .{
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.llvm_name = "no-fsmuld",
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.description = "Disable the fsmuld instruction.",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.popc)] = .{
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.llvm_name = "popc",
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.description = "Use the popc (population count) instruction",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.soft_float)] = .{
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.llvm_name = "soft-float",
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.description = "Use software emulation for floating point",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.soft_mul_div)] = .{
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.llvm_name = "soft-mul-div",
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.description = "Use software emulation for integer multiply and divide",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.v9)] = .{
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.llvm_name = "v9",
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.description = "Enable SPARC-V9 instructions",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.vis)] = .{
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.llvm_name = "vis",
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.description = "Enable UltraSPARC Visual Instruction Set extensions",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.vis2)] = .{
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.llvm_name = "vis2",
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.description = "Enable Visual Instruction Set extensions II",
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.dependencies = featureSet(&[_]Feature{}),
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};
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result[@enumToInt(Feature.vis3)] = .{
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.llvm_name = "vis3",
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.description = "Enable Visual Instruction Set extensions III",
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.dependencies = featureSet(&[_]Feature{}),
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};
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const ti = @typeInfo(Feature);
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for (result) |*elem, i| {
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elem.index = i;
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elem.name = ti.Enum.fields[i].name;
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}
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break :blk result;
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};
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pub const cpu = struct {
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pub const at697e = CpuModel{
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.name = "at697e",
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.llvm_name = "at697e",
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.features = featureSet(&[_]Feature{
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.insertnopload,
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.leon,
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}),
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};
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pub const at697f = CpuModel{
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.name = "at697f",
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.llvm_name = "at697f",
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.features = featureSet(&[_]Feature{
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.insertnopload,
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.leon,
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}),
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};
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pub const f934 = CpuModel{
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.name = "f934",
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.llvm_name = "f934",
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.features = featureSet(&[_]Feature{}),
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};
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pub const generic = CpuModel{
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.name = "generic",
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.llvm_name = "generic",
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.features = featureSet(&[_]Feature{}),
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};
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pub const gr712rc = CpuModel{
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.name = "gr712rc",
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.llvm_name = "gr712rc",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const gr740 = CpuModel{
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.name = "gr740",
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.llvm_name = "gr740",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.hasumacsmac,
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.leon,
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.leoncyclecounter,
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.leonpwrpsr,
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}),
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};
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pub const hypersparc = CpuModel{
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.name = "hypersparc",
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.llvm_name = "hypersparc",
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.features = featureSet(&[_]Feature{}),
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};
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pub const leon2 = CpuModel{
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.name = "leon2",
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.llvm_name = "leon2",
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.features = featureSet(&[_]Feature{
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.leon,
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}),
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};
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pub const leon3 = CpuModel{
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.name = "leon3",
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.llvm_name = "leon3",
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.features = featureSet(&[_]Feature{
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.hasumacsmac,
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.leon,
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}),
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};
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pub const leon4 = CpuModel{
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.name = "leon4",
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.llvm_name = "leon4",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.hasumacsmac,
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.leon,
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}),
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};
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pub const ma2080 = CpuModel{
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.name = "ma2080",
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.llvm_name = "ma2080",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const ma2085 = CpuModel{
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.name = "ma2085",
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.llvm_name = "ma2085",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const ma2100 = CpuModel{
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.name = "ma2100",
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.llvm_name = "ma2100",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const ma2150 = CpuModel{
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.name = "ma2150",
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.llvm_name = "ma2150",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const ma2155 = CpuModel{
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.name = "ma2155",
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.llvm_name = "ma2155",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const ma2450 = CpuModel{
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.name = "ma2450",
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.llvm_name = "ma2450",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const ma2455 = CpuModel{
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.name = "ma2455",
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.llvm_name = "ma2455",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const ma2480 = CpuModel{
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.name = "ma2480",
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.llvm_name = "ma2480",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const ma2485 = CpuModel{
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.name = "ma2485",
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.llvm_name = "ma2485",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const ma2x5x = CpuModel{
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.name = "ma2x5x",
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.llvm_name = "ma2x5x",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const ma2x8x = CpuModel{
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.name = "ma2x8x",
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.llvm_name = "ma2x8x",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const myriad2 = CpuModel{
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.name = "myriad2",
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.llvm_name = "myriad2",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const myriad2_1 = CpuModel{
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.name = "myriad2_1",
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.llvm_name = "myriad2.1",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const myriad2_2 = CpuModel{
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.name = "myriad2_2",
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.llvm_name = "myriad2.2",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const myriad2_3 = CpuModel{
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.name = "myriad2_3",
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.llvm_name = "myriad2.3",
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.features = featureSet(&[_]Feature{
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.hasleoncasa,
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.leon,
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}),
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};
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pub const niagara = CpuModel{
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.name = "niagara",
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.llvm_name = "niagara",
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.features = featureSet(&[_]Feature{
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.deprecated_v8,
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.v9,
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.vis,
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.vis2,
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}),
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};
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pub const niagara2 = CpuModel{
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.name = "niagara2",
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.llvm_name = "niagara2",
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.features = featureSet(&[_]Feature{
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.deprecated_v8,
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.popc,
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.v9,
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.vis,
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.vis2,
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}),
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};
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pub const niagara3 = CpuModel{
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.name = "niagara3",
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.llvm_name = "niagara3",
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.features = featureSet(&[_]Feature{
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.deprecated_v8,
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.popc,
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.v9,
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.vis,
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.vis2,
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}),
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};
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pub const niagara4 = CpuModel{
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.name = "niagara4",
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.llvm_name = "niagara4",
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.features = featureSet(&[_]Feature{
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.deprecated_v8,
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.popc,
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.v9,
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.vis,
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.vis2,
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.vis3,
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}),
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};
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pub const sparclet = CpuModel{
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.name = "sparclet",
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.llvm_name = "sparclet",
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.features = featureSet(&[_]Feature{}),
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};
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pub const sparclite = CpuModel{
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.name = "sparclite",
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.llvm_name = "sparclite",
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.features = featureSet(&[_]Feature{}),
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};
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pub const sparclite86x = CpuModel{
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.name = "sparclite86x",
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.llvm_name = "sparclite86x",
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.features = featureSet(&[_]Feature{}),
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};
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pub const supersparc = CpuModel{
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.name = "supersparc",
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.llvm_name = "supersparc",
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.features = featureSet(&[_]Feature{}),
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};
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pub const tsc701 = CpuModel{
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.name = "tsc701",
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.llvm_name = "tsc701",
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.features = featureSet(&[_]Feature{}),
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};
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pub const ultrasparc = CpuModel{
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.name = "ultrasparc",
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.llvm_name = "ultrasparc",
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.features = featureSet(&[_]Feature{
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.deprecated_v8,
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.v9,
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.vis,
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}),
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};
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pub const ultrasparc3 = CpuModel{
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.name = "ultrasparc3",
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.llvm_name = "ultrasparc3",
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.features = featureSet(&[_]Feature{
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.deprecated_v8,
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.v9,
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.vis,
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.vis2,
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}),
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};
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pub const ut699 = CpuModel{
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.name = "ut699",
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.llvm_name = "ut699",
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.features = featureSet(&[_]Feature{
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.fixallfdivsqrt,
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.insertnopload,
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.leon,
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.no_fmuls,
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.no_fsmuld,
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}),
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};
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pub const v7 = CpuModel{
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.name = "v7",
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.llvm_name = "v7",
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.features = featureSet(&[_]Feature{
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.no_fsmuld,
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.soft_mul_div,
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}),
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};
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pub const v8 = CpuModel{
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.name = "v8",
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.llvm_name = "v8",
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.features = featureSet(&[_]Feature{}),
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};
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pub const v9 = CpuModel{
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.name = "v9",
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.llvm_name = "v9",
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.features = featureSet(&[_]Feature{
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.v9,
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}),
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};
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};
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/// All sparc CPUs, sorted alphabetically by name.
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/// TODO: Replace this with usage of `std.meta.declList`. It does work, but stage1
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/// compiler has inefficient memory and CPU usage, affecting build times.
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pub const all_cpus = &[_]*const CpuModel{
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&cpu.at697e,
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&cpu.at697f,
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&cpu.f934,
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&cpu.generic,
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&cpu.gr712rc,
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&cpu.gr740,
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&cpu.hypersparc,
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&cpu.leon2,
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&cpu.leon3,
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&cpu.leon4,
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&cpu.ma2080,
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&cpu.ma2085,
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&cpu.ma2100,
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&cpu.ma2150,
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&cpu.ma2155,
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&cpu.ma2450,
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&cpu.ma2455,
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&cpu.ma2480,
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&cpu.ma2485,
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&cpu.ma2x5x,
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&cpu.ma2x8x,
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&cpu.myriad2,
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&cpu.myriad2_1,
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&cpu.myriad2_2,
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&cpu.myriad2_3,
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&cpu.niagara,
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&cpu.niagara2,
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&cpu.niagara3,
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&cpu.niagara4,
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&cpu.sparclet,
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&cpu.sparclite,
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&cpu.sparclite86x,
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&cpu.supersparc,
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&cpu.tsc701,
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&cpu.ultrasparc,
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&cpu.ultrasparc3,
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&cpu.ut699,
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&cpu.v7,
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&cpu.v8,
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&cpu.v9,
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};
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