Commit c78ebeb44ce078a165e3302b629432eeee6a656d | zig | Meg's Mirrors

author	David Rubin <david@vortan.dev> 2024-07-05 23:00:55-07:00
committer	David Rubin <david@vortan.dev> 2024-07-26 04:05:40-07:00
log	c78ebeb44ce078a165e3302b629432eeee6a656d
tree	a32c31f2c88173a0a5589f323359922b93aaf402
parent	93e9c7a963a86f72cd7f603ee7e6d6af2ff3b0b5
signature	Commit is signed but in an unrecognized format.

riscv: implement `ptr_slice_ptr_ptr`

just one step closer to allocation

2 files changed, 8 insertions(+), 2 deletions(-)

lib
- std
  - builtin.zig
src
- arch
  - riscv64
    CodeGen.zig

lib/std/builtin.zig+1

...	...	@@ -776,6 +776,7 @@ pub fn default_panic(msg: []const u8, error_return_trace: ?*StackTrace, ret_addr
776	776
777	777	if (builtin.zig_backend == .stage2_riscv64) {
778	778	std.debug.print("panic: {s}\n", .{msg});
	779	@breakpoint();
779	780	std.posix.exit(127);
780	781	}
781	782

src/arch/riscv64/CodeGen.zig+7-2

...	...	@@ -3433,8 +3433,13 @@ fn airPtrSliceLenPtr(func: *Func, inst: Air.Inst.Index) !void {
3433	3433
3434	3434	fn airPtrSlicePtrPtr(func: *Func, inst: Air.Inst.Index) !void {
3435	3435	const ty_op = func.air.instructions.items(.data)[@intFromEnum(inst)].ty_op;
3436		const result: MCValue = if (func.liveness.isUnused(inst)) .unreach else return func.fail("TODO implement ptr_slice_ptr_ptr for {}", .{func.target.cpu.arch});
3437		return func.finishAir(inst, result, .{ ty_op.operand, .none, .none });
	3436
	3437	const opt_mcv = try func.resolveInst(ty_op.operand);
	3438	const dst_mcv = if (func.reuseOperand(inst, ty_op.operand, 0, opt_mcv))
	3439	opt_mcv
	3440	else
	3441	try func.copyToNewRegister(inst, opt_mcv);
	3442	return func.finishAir(inst, dst_mcv, .{ ty_op.operand, .none, .none });
3438	3443	}
3439	3444
3440	3445	fn airSliceElemVal(func: *Func, inst: Air.Inst.Index) !void {