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aarch64: implement ptr_slice_*_ptr

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Jacob Young 2025-09-06 01:34:55 -04:00 committed by Andrew Kelley
parent 5ec0a7d8a5
commit f12c4f86fc
1 changed files with 20 additions and 0 deletions
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20
src/codegen/aarch64/Select.zig
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@ -6147,6 +6147,26 @@ pub fn body(isel: *Select, air_body: []const Air.Inst.Index) error{ OutOfMemory,
}
if (air.next()) |next_air_tag| continue :air_tag next_air_tag;
},
.ptr_slice_len_ptr => {
if (isel.live_values.fetchRemove(air.inst_index)) |dst_vi| unused: {
defer dst_vi.value.deref(isel);
const ty_op = air.data(air.inst_index).ty_op;
const dst_ra = try dst_vi.value.defReg(isel) orelse break :unused;
const src_vi = try isel.use(ty_op.operand);
const src_mat = try src_vi.matReg(isel);
try isel.emit(.add(dst_ra.x(), src_mat.ra.x(), .{ .immediate = 8 }));
try src_mat.finish(isel);
}
if (air.next()) |next_air_tag| continue :air_tag next_air_tag;
},
.ptr_slice_ptr_ptr => {
if (isel.live_values.fetchRemove(air.inst_index)) |dst_vi| {
defer dst_vi.value.deref(isel);
const ty_op = air.data(air.inst_index).ty_op;
try dst_vi.value.move(isel, ty_op.operand);
}
if (air.next()) |next_air_tag| continue :air_tag next_air_tag;
},
.array_elem_val => {
if (isel.live_values.fetchRemove(air.inst_index)) |elem_vi| unused: {
defer elem_vi.value.deref(isel);