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stage2: sparc64: Implement airAggregateInit

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This commit is contained in:
Koakuma 2022-06-19 22:14:34 +07:00
parent dd57729299
commit 84a57987c7
1 changed files with 23 additions and 1 deletions
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24
src/arch/sparc64/CodeGen.zig
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@ -611,7 +611,7 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
.select => @panic("TODO try self.airSelect(inst)"),
.shuffle => @panic("TODO try self.airShuffle(inst)"),
.reduce => @panic("TODO try self.airReduce(inst)"),
.aggregate_init => @panic("TODO try self.airAggregateInit(inst)"),
.aggregate_init => try self.airAggregateInit(inst),
.union_init => @panic("TODO try self.airUnionInit(inst)"),
.prefetch => @panic("TODO try self.airPrefetch(inst)"),
.mul_add => @panic("TODO try self.airMulAdd(inst)"),
@ -777,6 +777,28 @@ fn airAddSubWithOverflow(self: *Self, inst: Air.Inst.Index) !void {
return self.finishAir(inst, result, .{ extra.lhs, extra.rhs, .none });
}
fn airAggregateInit(self: *Self, inst: Air.Inst.Index) !void {
const vector_ty = self.air.typeOfIndex(inst);
const len = vector_ty.vectorLen();
const ty_pl = self.air.instructions.items(.data)[inst].ty_pl;
const elements = @ptrCast([]const Air.Inst.Ref, self.air.extra[ty_pl.payload..][0..len]);
const result: MCValue = res: {
if (self.liveness.isUnused(inst)) break :res MCValue.dead;
return self.fail("TODO implement airAggregateInit for {}", .{self.target.cpu.arch});
};
if (elements.len <= Liveness.bpi - 1) {
var buf = [1]Air.Inst.Ref{.none} ** (Liveness.bpi - 1);
std.mem.copy(Air.Inst.Ref, &buf, elements);
return self.finishAir(inst, result, buf);
}
var bt = try self.iterateBigTomb(inst, elements.len);
for (elements) |elem| {
bt.feed(elem);
}
return bt.finishAir(result);
}
fn airAlloc(self: *Self, inst: Air.Inst.Index) !void {
const stack_offset = try self.allocMemPtr(inst);
return self.finishAir(inst, .{ .ptr_stack_offset = stack_offset }, .{ .none, .none, .none });