| ... | ... | @@ -10154,18 +10154,22 @@ fn airBitCast(self: *Self, inst: Air.Inst.Index) !void { |
| 10154 | 10154 | const dst_rc = regClassForType(dst_ty); |
| 10155 | 10155 | const src_rc = regClassForType(src_ty); |
| 10156 | 10156 | const src_mcv = try self.resolveInst(ty_op.operand); |
| 10157 | | if (dst_rc.supersetOf(src_rc) and self.reuseOperand(inst, ty_op.operand, 0, src_mcv)) |
| 10158 | | break :result src_mcv; |
| 10159 | 10157 | |
| 10160 | 10158 | const src_lock = if (src_mcv.getReg()) |reg| self.register_manager.lockReg(reg) else null; |
| 10161 | 10159 | defer if (src_lock) |lock| self.register_manager.unlockReg(lock); |
| 10162 | 10160 | |
| 10163 | | const dst_mcv = try self.allocRegOrMem(inst, true); |
| 10164 | | try self.genCopy( |
| 10165 | | if (!dst_mcv.isMemory() or src_mcv.isMemory()) dst_ty else src_ty, |
| 10166 | | dst_mcv, |
| 10167 | | src_mcv, |
| 10168 | | ); |
| 10161 | const dst_mcv = if (dst_rc.supersetOf(src_rc) and |
| 10162 | self.reuseOperand(inst, ty_op.operand, 0, src_mcv)) |
| 10163 | src_mcv |
| 10164 | else dst: { |
| 10165 | const dst_mcv = try self.allocRegOrMem(inst, true); |
| 10166 | try self.genCopy( |
| 10167 | if (!dst_mcv.isMemory() or src_mcv.isMemory()) dst_ty else src_ty, |
| 10168 | dst_mcv, |
| 10169 | src_mcv, |
| 10170 | ); |
| 10171 | break :dst dst_mcv; |
| 10172 | }; |
| 10169 | 10173 | |
| 10170 | 10174 | const dst_signedness = |
| 10171 | 10175 | if (dst_ty.isAbiInt()) dst_ty.intInfo(self.target.*).signedness else .unsigned; |
Jacob Young <jacobly@ziglang.org> 2023-05-18 20:47:00-04:00
src