Commit e76d52c74dbb7566af75baf7184b04f131d26d5f | zig

author	Koakuma <koachan@protonmail.com> 2022-04-21 20:02:27+07:00
committer	Jakub Konka <kubkon@jakubkonka.com> 2022-05-05 19:34:05+02:00
log	e76d52c74dbb7566af75baf7184b04f131d26d5f
tree	3d8e3aeffa73854598e3aaa4ca95eb1ab46a43d2
parent	ae201807f52077709b46ab7d2adfe5178ce138af

3 files changed, 1 insertions(+), 38 deletions(-)

src/arch/sparcv9/CodeGen.zig-12

...	...	@@ -780,16 +780,6 @@ fn airArg(self: *Self, inst: Air.Inst.Index) !void {
780	780	// TODO Copy registers to the stack
781	781	const mcv = result;
782	782
783		_ = try self.addInst(.{
784		.tag = .dbg_arg,
785		.data = .{
786		.dbg_arg_info = .{
787		.air_inst = inst,
788		.arg_index = arg_index,
789		},
790		},
791		});
792
793	783	if (self.liveness.isUnused(inst))
794	784	return self.finishAirBookkeeping();
795	785
...	...	@@ -1050,9 +1040,7 @@ fn airSwitch(self: *Self, inst: Air.Inst.Index) !void {
1050	1040
1051	1041	fn addInst(self: *Self, inst: Mir.Inst) error{OutOfMemory}!Mir.Inst.Index {
1052	1042	const gpa = self.gpa;
1053
1054	1043	try self.mir_instructions.ensureUnusedCapacity(gpa, 1);
1055
1056	1044	const result_index = @intCast(Air.Inst.Index, self.mir_instructions.len);
1057	1045	self.mir_instructions.appendAssumeCapacity(inst);
1058	1046	return result_index;

src/arch/sparcv9/Emit.zig-12

...	...	@@ -45,7 +45,6 @@ pub fn emitMir(
45	45	for (mir_tags) \|tag, index\| {
46	46	const inst = @intCast(u32, index);
47	47	switch (tag) {
48		.dbg_arg => try emit.mirDbgArg(inst),
49	48	.dbg_line => try emit.mirDbgLine(inst),
50	49	.dbg_prologue_end => try emit.mirDebugPrologueEnd(),
51	50	.dbg_epilogue_begin => try emit.mirDebugEpilogueBegin(),
...	...	@@ -92,17 +91,6 @@ pub fn deinit(emit: *Emit) void {
92	91	emit.* = undefined;
93	92	}
94	93
95		fn mirDbgArg(emit: *Emit, inst: Mir.Inst.Index) !void {
96		const tag = emit.mir.instructions.items(.tag)[inst];
97		const dbg_arg_info = emit.mir.instructions.items(.data)[inst].dbg_arg_info;
98		_ = dbg_arg_info;
99
100		switch (tag) {
101		.dbg_arg => {}, // TODO try emit.genArgDbgInfo(dbg_arg_info.air_inst, dbg_arg_info.arg_index),
102		else => unreachable,
103		}
104		}
105
106	94	fn mirDbgLine(emit: *Emit, inst: Mir.Inst.Index) !void {
107	95	const tag = emit.mir.instructions.items(.tag)[inst];
108	96	const dbg_line_column = emit.mir.instructions.items(.data)[inst].dbg_line_column;

src/arch/sparcv9/Mir.zig+1-14

...	...	@@ -28,8 +28,6 @@ pub const Inst = struct {
28	28	data: Data,
29	29
30	30	pub const Tag = enum(u16) {
31		/// Pseudo-instruction: Argument
32		dbg_arg,
33	31	/// Pseudo-instruction: End of prologue
34	32	dbg_prologue_end,
35	33	/// Pseudo-instruction: Beginning of epilogue
...	...	@@ -122,14 +120,6 @@ pub const Inst = struct {
122	120	/// how to interpret the data within.
123	121	// TODO this is a quick-n-dirty solution that needs to be cleaned up.
124	122	pub const Data = union {
125		/// Debug info: argument
126		///
127		/// Used by e.g. dbg_arg
128		dbg_arg_info: struct {
129		air_inst: Air.Inst.Index,
130		arg_index: usize,
131		},
132
133	123	/// Debug info: line and column
134	124	///
135	125	/// Used by e.g. dbg_line
...	...	@@ -234,10 +224,7 @@ pub const Inst = struct {
234	224	// Note that in Debug builds, Zig is allowed to insert a secret field for safety checks.
235	225	comptime {
236	226	if (builtin.mode != .Debug) {
237		// TODO clean up the definition of Data before enabling this.
238		// I'll do that after the PoC backend can produce usable binaries.
239
240		// assert(@sizeOf(Data) == 8);
	227	assert(@sizeOf(Data) == 8);
241	228	}
242	229	}
243	230	};