sema: use pl_op for @select

This commit is contained in:
John Schmidt 2022-03-24 23:02:06 +01:00
parent 12d5efcbe6
commit f47db0a0db
10 changed files with 40 additions and 42 deletions

View file

@ -554,7 +554,7 @@ pub const Inst = struct {
/// Uses the `ty_pl` field with payload `Shuffle`.
shuffle,
/// Constructs a vector element-wise from `a` or `b` based on `pred`.
/// Uses the `ty_pl` field with payload `Select`.
/// Uses the `pl_op` field with `pred` as operand, and payload `Bin`.
select,
/// Given dest ptr, value, and len, set all elements at dest to value.
@ -788,12 +788,6 @@ pub const Shuffle = struct {
mask_len: u32,
};
pub const Select = struct {
pred: Inst.Ref,
a: Inst.Ref,
b: Inst.Ref,
};
pub const VectorCmp = struct {
lhs: Inst.Ref,
rhs: Inst.Ref,
@ -965,7 +959,6 @@ pub fn typeOfIndex(air: Air, inst: Air.Inst.Index) Type {
.cmpxchg_weak,
.cmpxchg_strong,
.slice,
.select,
.shuffle,
.aggregate_init,
.union_init,
@ -1077,6 +1070,10 @@ pub fn typeOfIndex(air: Air, inst: Air.Inst.Index) Type {
.reduce => return air.typeOf(datas[inst].reduce.operand).childType(),
.mul_add => return air.typeOf(datas[inst].pl_op.operand),
.select => {
const extra = air.extraData(Air.Bin, datas[inst].pl_op.payload).data;
return air.typeOf(extra.lhs);
},
.add_with_overflow,
.sub_with_overflow,

View file

@ -434,8 +434,9 @@ fn analyzeInst(
return extra_tombs.finish();
},
.select => {
const extra = a.air.extraData(Air.Select, inst_datas[inst].ty_pl.payload).data;
return trackOperands(a, new_set, inst, main_tomb, .{ extra.pred, extra.a, extra.b });
const pl_op = inst_datas[inst].pl_op;
const extra = a.air.extraData(Air.Bin, pl_op.payload).data;
return trackOperands(a, new_set, inst, main_tomb, .{ pl_op.operand, extra.lhs, extra.rhs });
},
.shuffle => {
const extra = a.air.extraData(Air.Shuffle, inst_datas[inst].ty_pl.payload).data;

View file

@ -14894,12 +14894,11 @@ fn zirSelect(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!Air.
try sema.requireRuntimeBlock(block, runtime_src);
return block.addInst(.{
.tag = .select,
.data = .{ .ty_pl = .{
.ty = try block.sema.addType(vec_ty),
.payload = try block.sema.addExtra(Air.Select{
.pred = pred,
.a = a,
.b = b,
.data = .{ .pl_op = .{
.operand = pred,
.payload = try block.sema.addExtra(Air.Bin{
.lhs = a,
.rhs = b,
}),
} },
});

View file

@ -3748,10 +3748,10 @@ fn airSplat(self: *Self, inst: Air.Inst.Index) !void {
}
fn airSelect(self: *Self, inst: Air.Inst.Index) !void {
const ty_pl = self.air.instructions.items(.data)[inst].ty_pl;
const extra = self.air.extraData(Air.Select, ty_pl.payload).data;
const pl_op = self.air.instructions.items(.data)[inst].pl_op;
const extra = self.air.extraData(Air.Bin, pl_op.payload).data;
const result: MCValue = if (self.liveness.isUnused(inst)) .dead else return self.fail("TODO implement airSelect for {}", .{self.target.cpu.arch});
return self.finishAir(inst, result, .{ extra.pred, extra.a, extra.b });
return self.finishAir(inst, result, .{ pl_op.operand, extra.lhs, extra.rhs });
}
fn airShuffle(self: *Self, inst: Air.Inst.Index) !void {

View file

@ -4325,10 +4325,10 @@ fn airSplat(self: *Self, inst: Air.Inst.Index) !void {
}
fn airSelect(self: *Self, inst: Air.Inst.Index) !void {
const ty_pl = self.air.instructions.items(.data)[inst].ty_pl;
const extra = self.air.extraData(Air.Select, ty_pl.payload).data;
const pl_op = self.air.instructions.items(.data)[inst].pl_op;
const extra = self.air.extraData(Air.Bin, pl_op.payload).data;
const result: MCValue = if (self.liveness.isUnused(inst)) .dead else return self.fail("TODO implement airSelect for arm", .{});
return self.finishAir(inst, result, .{ extra.pred, extra.a, extra.b });
return self.finishAir(inst, result, .{ pl_op.operand, extra.lhs, extra.rhs });
}
fn airShuffle(self: *Self, inst: Air.Inst.Index) !void {

View file

@ -2398,10 +2398,10 @@ fn airSplat(self: *Self, inst: Air.Inst.Index) !void {
}
fn airSelect(self: *Self, inst: Air.Inst.Index) !void {
const ty_pl = self.air.instructions.items(.data)[inst].ty_pl;
const extra = self.air.extraData(Air.Select, ty_pl.payload).data;
const pl_op = self.air.instructions.items(.data)[inst].pl_op;
const extra = self.air.extraData(Air.Bin, pl_op.payload).data;
const result: MCValue = if (self.liveness.isUnused(inst)) .dead else return self.fail("TODO implement airSelect for riscv64", .{});
return self.finishAir(inst, result, .{ extra.pred, extra.a, extra.b });
return self.finishAir(inst, result, .{ pl_op.operand, extra.lhs, extra.rhs });
}
fn airShuffle(self: *Self, inst: Air.Inst.Index) !void {

View file

@ -3269,10 +3269,10 @@ fn airSplat(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
fn airSelect(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
if (self.liveness.isUnused(inst)) return WValue{ .none = {} };
const ty_pl = self.air.instructions.items(.data)[inst].ty_pl;
const ty = try self.resolveInst(ty_pl.ty);
const pl_op = self.air.instructions.items(.data)[inst].pl_op;
const operand = try self.resolveInst(pl_op.operand);
_ = ty;
_ = operand;
return self.fail("TODO: Implement wasm airSelect", .{});
}

View file

@ -5680,10 +5680,10 @@ fn airSplat(self: *Self, inst: Air.Inst.Index) !void {
}
fn airSelect(self: *Self, inst: Air.Inst.Index) !void {
const ty_pl = self.air.instructions.items(.data)[inst].ty_pl;
const extra = self.air.extraData(Air.Select, ty_pl.payload).data;
const pl_op = self.air.instructions.items(.data)[inst].pl_op;
const extra = self.air.extraData(Air.Bin, pl_op.payload).data;
const result: MCValue = if (self.liveness.isUnused(inst)) .dead else return self.fail("TODO implement airSelect for x86_64", .{});
return self.finishAir(inst, result, .{ extra.pred, extra.a, extra.b });
return self.finishAir(inst, result, .{ pl_op.operand, extra.lhs, extra.rhs });
}
fn airShuffle(self: *Self, inst: Air.Inst.Index) !void {

View file

@ -6359,11 +6359,11 @@ pub const FuncGen = struct {
fn airSelect(self: *FuncGen, inst: Air.Inst.Index) !?*const llvm.Value {
if (self.liveness.isUnused(inst)) return null;
const ty_pl = self.air.instructions.items(.data)[inst].ty_pl;
const extra = self.air.extraData(Air.Select, ty_pl.payload).data;
const pred = try self.resolveInst(extra.pred);
const a = try self.resolveInst(extra.a);
const b = try self.resolveInst(extra.b);
const pl_op = self.air.instructions.items(.data)[inst].pl_op;
const extra = self.air.extraData(Air.Bin, pl_op.payload).data;
const pred = try self.resolveInst(pl_op.operand);
const a = try self.resolveInst(extra.lhs);
const b = try self.resolveInst(extra.rhs);
return self.builder.buildSelect(pred, a, b, "");
}

View file

@ -398,15 +398,16 @@ const Writer = struct {
}
fn writeSelect(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
const ty_pl = w.air.instructions.items(.data)[inst].ty_pl;
const extra = w.air.extraData(Air.Select, ty_pl.payload).data;
const pl_op = w.air.instructions.items(.data)[inst].pl_op;
const extra = w.air.extraData(Air.Bin, pl_op.payload).data;
try s.print("{}, ", .{w.air.getRefType(ty_pl.ty).fmtDebug()});
try w.writeOperand(s, inst, 0, extra.pred);
const elem_ty = w.air.typeOfIndex(inst).childType();
try s.print("{}, ", .{elem_ty.fmtDebug()});
try w.writeOperand(s, inst, 0, pl_op.operand);
try s.writeAll(", ");
try w.writeOperand(s, inst, 1, extra.a);
try w.writeOperand(s, inst, 1, extra.lhs);
try s.writeAll(", ");
try w.writeOperand(s, inst, 2, extra.b);
try w.writeOperand(s, inst, 2, extra.rhs);
}
fn writeReduce(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {