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| author | Jakub Konka <kubkon@jakubkonka.com> | 2022-01-04 18:24:01 +0100 |
|---|---|---|
| committer | Jakub Konka <kubkon@jakubkonka.com> | 2022-01-06 09:54:33 +0100 |
| commit | f01e6eec562e31445e940c5664c793ff443c35aa (patch) | |
| tree | d169988df21d1e22aa1e5f46a5f1ae141ea0a9bc /src | |
| parent | 2b77775cbb6990e24578f5f9c6bf32ad1da12f76 (diff) | |
| download | zig-f01e6eec562e31445e940c5664c793ff443c35aa.tar.gz zig-f01e6eec562e31445e940c5664c793ff443c35aa.zip | |
stage2: implement slice_ptr
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86_64/CodeGen.zig | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/src/arch/x86_64/CodeGen.zig b/src/arch/x86_64/CodeGen.zig index 09233d3adc..58bcaeb388 100644 --- a/src/arch/x86_64/CodeGen.zig +++ b/src/arch/x86_64/CodeGen.zig @@ -1255,10 +1255,18 @@ fn airWrapErrUnionErr(self: *Self, inst: Air.Inst.Index) !void { fn airSlicePtr(self: *Self, inst: Air.Inst.Index) !void { const ty_op = self.air.instructions.items(.data)[inst].ty_op; - const result: MCValue = if (self.liveness.isUnused(inst)) - .dead - else - return self.fail("TODO implement slice_ptr for {}", .{self.target.cpu.arch}); + const result: MCValue = if (self.liveness.isUnused(inst)) .dead else result: { + const operand = try self.resolveInst(ty_op.operand); + const dst_mcv: MCValue = blk: { + switch (operand) { + .stack_offset => |off| { + break :blk MCValue{ .stack_offset = off }; + }, + else => return self.fail("TODO implement slice_ptr for {}", .{operand}), + } + }; + break :result dst_mcv; + }; return self.finishAir(inst, result, .{ ty_op.operand, .none, .none }); } @@ -1266,9 +1274,13 @@ fn airSliceLen(self: *Self, inst: Air.Inst.Index) !void { const ty_op = self.air.instructions.items(.data)[inst].ty_op; const result: MCValue = if (self.liveness.isUnused(inst)) .dead else result: { const operand = try self.resolveInst(ty_op.operand); - const dst_mcv: MCValue = switch (operand) { - .stack_offset => |off| MCValue{ .stack_offset = off + 8 }, - else => return self.fail("TODO implement slice_len for {}", .{operand}), + const dst_mcv: MCValue = blk: { + switch (operand) { + .stack_offset => |off| { + break :blk MCValue{ .stack_offset = off + 8 }; + }, + else => return self.fail("TODO implement slice_len for {}", .{operand}), + } }; break :result dst_mcv; }; |