authorgravatar for kubkon@jakubkonka.comJakub Konka <kubkon@jakubkonka.com> 2023-04-11 23:07:49+02:00
committergravatar for kubkon@jakubkonka.comJakub Konka <kubkon@jakubkonka.com> 2023-04-13 11:47:51+02:00
log38d46a6764a63bfa17560b70c5e82831bd4aeba1
tree03eb49acbba503a7806d78b3421fd4a7822ebb66
parentdbdf8086bd964cec22c44d41702d35643cce412a

x86_64: simplify genUnOpMir() when modifying value in memory

1 files changed, 19 insertions(+), 1 deletions(-)

src/arch/x86_64/CodeGen.zig+19-1
...@@ -4228,7 +4228,25 @@ fn genUnOpMir(self: *Self, mir_tag: Mir.Inst.Tag, dst_ty: Type, dst_mcv: MCValue...@@ -4228,7 +4228,25 @@ fn genUnOpMir(self: *Self, mir_tag: Mir.Inst.Tag, dst_ty: Type, dst_mcv: MCValue
4228 const addr_reg_lock = self.register_manager.lockRegAssumeUnused(addr_reg);4228 const addr_reg_lock = self.register_manager.lockRegAssumeUnused(addr_reg);
4229 defer self.register_manager.unlockReg(addr_reg_lock);4229 defer self.register_manager.unlockReg(addr_reg_lock);
42304230
4231 try self.loadMemPtrIntoRegister(addr_reg, Type.usize, dst_mcv);4231 switch (dst_mcv) {
4232 .memory => |addr| try self.genSetReg(Type.usize, addr_reg, .{ .immediate = addr }),
4233 .linker_load => |load_struct| {
4234 const atom_index = if (self.bin_file.cast(link.File.MachO)) |macho_file| blk: {
4235 const atom = try macho_file.getOrCreateAtomForDecl(self.mod_fn.owner_decl);
4236 break :blk macho_file.getAtom(atom).getSymbolIndex().?;
4237 } else if (self.bin_file.cast(link.File.Coff)) |coff_file| blk: {
4238 const atom = try coff_file.getOrCreateAtomForDecl(self.mod_fn.owner_decl);
4239 break :blk coff_file.getAtom(atom).getSymbolIndex().?;
4240 } else unreachable;
4241
4242 switch (load_struct.type) {
4243 .import => unreachable,
4244 .got => try self.asmMovLinker(addr_reg, atom_index, load_struct),
4245 .direct => try self.asmLeaLinker(addr_reg, atom_index, load_struct),
4246 }
4247 },
4248 else => unreachable,
4249 }
4232 try self.asmMemory(4250 try self.asmMemory(
4233 mir_tag,4251 mir_tag,
4234 Memory.sib(Memory.PtrSize.fromSize(abi_size), .{ .base = addr_reg }),4252 Memory.sib(Memory.PtrSize.fromSize(abi_size), .{ .base = addr_reg }),