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attribute group table

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This commit is contained in:
David Gonzalez Martin 2024-05-13 20:47:57 -06:00
parent 871e8f13ef
commit d366a911a1
1 changed files with 29 additions and 16 deletions
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45
bootstrap/compiler.zig
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@ -3485,15 +3485,22 @@ const Bitcode = struct {
const AttributeGroup = struct{
attributes: []const DummyAttribute,
parameter_index: u32,
};
const attribute_groups = [_]AttributeGroup{
.{
.parameter_index = 0xffff_ffff,
.attributes = &.{
.{ .enumeration = .no_inline },
.{ .enumeration = .no_unwind },
.{ .enumeration = .optimize_none },
.{ .enumeration = .uw_table },
.{
.int = .{
.key = .uw_table,
.value = 2,
},
},
.{
.string = .{
.key = "frame-pointer",
@ -3521,7 +3528,7 @@ const Bitcode = struct {
.{
.string = .{
.key = "target-cpu",
.value = "x86_64",
.value = "x86-64",
},
},
.{
@ -3539,16 +3546,19 @@ const Bitcode = struct {
},
},
.{
.parameter_index = 1,
.attributes = &.{
.{ .enumeration = .noundef },
},
},
.{
.parameter_index = 2,
.attributes = &.{
.{ .enumeration = .noundef },
},
},
.{
.parameter_index = 0xffff_ffff,
.attributes = &.{
.{ .enumeration = .no_callback },
.{ .enumeration = .nofree },
@ -3573,11 +3583,10 @@ const Bitcode = struct {
var records = std.BoundedArray(u64, 4096){};
for (attribute_groups, 0..) |attribute_group, attribute_group_index| {
records.appendAssumeCapacity(attribute_group_index);
records.appendAssumeCapacity(switch (attribute_group_index) {
0 => 0xffffffff,
else => attribute_group_index,
});
std.debug.print("====\nWriting attribute group #{}...\n====\n", .{attribute_group_index});
defer std.debug.print("====\nEnded attribute group #{}...\n====\n", .{attribute_group_index});
records.appendAssumeCapacity(attribute_group_index + 1);
records.appendAssumeCapacity(attribute_group.parameter_index);
for (attribute_group.attributes) |attribute| {
switch (attribute) {
@ -3585,12 +3594,18 @@ const Bitcode = struct {
records.appendAssumeCapacity(0);
records.appendAssumeCapacity(@intFromEnum(e));
},
.int => |i| {
records.appendAssumeCapacity(1);
records.appendAssumeCapacity(@intFromEnum(i.key));
records.appendAssumeCapacity(i.value);
},
.string => |s| {
records.appendAssumeCapacity(@as(u64, 3) + @intFromBool(s.value.len > 0));
for (s.key) |b| {
records.appendAssumeCapacity(b);
}
records.appendAssumeCapacity(0);
if (s.value.len > 0) {
for (s.value) |b| {
records.appendAssumeCapacity(b);
@ -3598,11 +3613,6 @@ const Bitcode = struct {
records.appendAssumeCapacity(0);
}
},
.int => |i| {
records.appendAssumeCapacity(1);
records.appendAssumeCapacity(@intFromEnum(i.key));
records.appendAssumeCapacity(i.value);
},
else => |t| @panic(@tagName(t)),
}
}
@ -3889,8 +3899,8 @@ const Bitcode = struct {
}
fn write_raw(writer: *Writer, value: u32) void {
// std.debug.print("[{}-{}] Flushing buffer 0x{x}\n", .{writer.buffer.length, writer.buffer.length * 4, value});
// if (writer.buffer.length == (152 + 32) / 4 - 1) @breakpoint();
std.debug.print("[{}-{}] Flushing buffer 0x{x}\n", .{writer.buffer.length, writer.buffer.length * 4, value});
// if (writer.buffer.length == (220) / 4 - 1) @breakpoint();
// if (writer.buffer.length == (152 + 32) / 4) @breakpoint();
_ = writer.buffer.append(value);
}
@ -3906,7 +3916,7 @@ const Bitcode = struct {
}
fn emit(writer: *Writer, value: u32, bit_count: u32) void {
// std.debug.print("ASK: [[32-B-IDX[0x{x}] 8-bit IDX[{}] - CVAL=0x{x} - CBIT={}]] Writing 0x{x} for {} bits\n", .{writer.buffer.length, writer.buffer.length * 4, writer.current_value, writer.current_bit, value, bit_count});
std.debug.print("ASK: [[32-B-IDX[0x{x}] 8-bit IDX[{}] - CVAL=0x{x} - CBIT={}]] Writing 0x{x} for {} bits\n", .{writer.buffer.length, writer.buffer.length * 4, writer.current_value, writer.current_bit, value, bit_count});
assert(bit_count > 0 and bit_count <= 32);
assert(value & ~(~@as(u32, 0) >> @as(u5, @intCast(32 - bit_count))) == 0);
const shifted = value << @as(u5, @intCast(writer.current_bit));
@ -4044,7 +4054,8 @@ const Bitcode = struct {
writer.emit_vbr(code, 6);
writer.emit_vbr(count, 6);
for (values) |v| {
for (values, 0..) |v, i| {
std.debug.print("Value #{} at [{}]: 0x{x}\n", .{i, writer.buffer.length * 4, v});
writer.emit_vbr64(v, 6);
}
} else {
@ -4188,6 +4199,7 @@ const Bitcode = struct {
}
fn emit_vbr(writer: *Writer, value: u32, bit_count: u32) void {
std.debug.print("Emitting VBR{}: 0x{x}...\n", .{bit_count, value});
assert(bit_count <= 32);
const shifter: u5 = @intCast(bit_count - 1);
const threshold = @as(u32, 1) << shifter;
@ -4202,6 +4214,7 @@ const Bitcode = struct {
}
fn emit_vbr64(writer: *Writer, value: u64, bit_count: u32) void {
std.debug.print("Emitting VBR{}: 0x{x}...\n", .{bit_count, value});
assert(bit_count <= 32);
if (@as(u32, @truncate(value)) == value) {
writer.emit_vbr(@truncate(value), bit_count);