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Diffstat (limited to 'compiler/dex/quick/gen_common.cc')
-rw-r--r--compiler/dex/quick/gen_common.cc88
1 files changed, 27 insertions, 61 deletions
diff --git a/compiler/dex/quick/gen_common.cc b/compiler/dex/quick/gen_common.cc
index af108170e6..2a1d64425b 100644
--- a/compiler/dex/quick/gen_common.cc
+++ b/compiler/dex/quick/gen_common.cc
@@ -88,24 +88,30 @@ void Mir2Lir::GenIfNullUseHelperImm(RegStorage r_result, QuickEntrypointEnum tra
r_result));
}
+void Mir2Lir::LoadTypeFromCache(uint32_t type_index, RegStorage class_reg) {
+ if (CanUseOpPcRelDexCacheArrayLoad()) {
+ uint32_t offset = dex_cache_arrays_layout_.TypeOffset(type_index);
+ OpPcRelDexCacheArrayLoad(cu_->dex_file, offset, class_reg, false);
+ } else {
+ RegStorage r_method = LoadCurrMethodWithHint(class_reg);
+ MemberOffset resolved_types_offset = ArtMethod::DexCacheResolvedTypesOffset(
+ GetInstructionSetPointerSize(cu_->instruction_set));
+ LoadBaseDisp(r_method, resolved_types_offset.Int32Value(), class_reg,
+ cu_->target64 ? k64 : k32, kNotVolatile);
+ int32_t offset_of_type = GetCacheOffset(type_index);
+ LoadRefDisp(class_reg, offset_of_type, class_reg, kNotVolatile);
+ }
+}
+
RegStorage Mir2Lir::GenGetOtherTypeForSgetSput(const MirSFieldLoweringInfo& field_info,
int opt_flags) {
DCHECK_NE(field_info.StorageIndex(), DexFile::kDexNoIndex);
// May do runtime call so everything to home locations.
FlushAllRegs();
+ // Using fixed register to sync with possible call to runtime support.
RegStorage r_base = TargetReg(kArg0, kRef);
LockTemp(r_base);
- if (CanUseOpPcRelDexCacheArrayLoad()) {
- uint32_t offset = dex_cache_arrays_layout_.TypeOffset(field_info.StorageIndex());
- OpPcRelDexCacheArrayLoad(cu_->dex_file, offset, r_base, false);
- } else {
- // Using fixed register to sync with possible call to runtime support.
- RegStorage r_method = LoadCurrMethodWithHint(r_base);
- LoadRefDisp(r_method, ArtMethod::DexCacheResolvedTypesOffset().Int32Value(), r_base,
- kNotVolatile);
- int32_t offset_of_field = ObjArray::OffsetOfElement(field_info.StorageIndex()).Int32Value();
- LoadRefDisp(r_base, offset_of_field, r_base, kNotVolatile);
- }
+ LoadTypeFromCache(field_info.StorageIndex(), r_base);
// r_base now points at static storage (Class*) or null if the type is not yet resolved.
LIR* unresolved_branch = nullptr;
if (!field_info.IsClassInDexCache() && (opt_flags & MIR_CLASS_IS_IN_DEX_CACHE) == 0) {
@@ -1029,19 +1035,7 @@ void Mir2Lir::GenConstClass(uint32_t type_idx, RegLocation rl_dest) {
} else {
rl_result = EvalLoc(rl_dest, kRefReg, true);
// We don't need access checks, load type from dex cache
- if (CanUseOpPcRelDexCacheArrayLoad()) {
- size_t offset = dex_cache_arrays_layout_.TypeOffset(type_idx);
- OpPcRelDexCacheArrayLoad(cu_->dex_file, offset, rl_result.reg, false);
- } else {
- int32_t dex_cache_offset =
- ArtMethod::DexCacheResolvedTypesOffset().Int32Value();
- RegStorage res_reg = AllocTempRef();
- RegStorage r_method = LoadCurrMethodWithHint(res_reg);
- LoadRefDisp(r_method, dex_cache_offset, res_reg, kNotVolatile);
- int32_t offset_of_type = ClassArray::OffsetOfElement(type_idx).Int32Value();
- LoadRefDisp(res_reg, offset_of_type, rl_result.reg, kNotVolatile);
- FreeTemp(res_reg);
- }
+ LoadTypeFromCache(type_idx, rl_result.reg);
if (!cu_->compiler_driver->CanAssumeTypeIsPresentInDexCache(*cu_->dex_file,
type_idx) || ForceSlowTypePath(cu_)) {
// Slow path, at runtime test if type is null and if so initialize
@@ -1054,8 +1048,7 @@ void Mir2Lir::GenConstClass(uint32_t type_idx, RegLocation rl_dest) {
void Mir2Lir::GenConstString(uint32_t string_idx, RegLocation rl_dest) {
/* NOTE: Most strings should be available at compile time */
- int32_t offset_of_string = mirror::ObjectArray<mirror::String>::OffsetOfElement(string_idx).
- Int32Value();
+ int32_t offset_of_string = GetCacheOffset(string_idx);
if (!cu_->compiler_driver->CanAssumeStringIsPresentInDexCache(
*cu_->dex_file, string_idx) || ForceSlowStringPath(cu_)) {
// slow path, resolve string if not in dex cache
@@ -1073,7 +1066,8 @@ void Mir2Lir::GenConstString(uint32_t string_idx, RegLocation rl_dest) {
RegStorage r_method = LoadCurrMethodWithHint(arg0);
LoadRefDisp(r_method, ArtMethod::DeclaringClassOffset().Int32Value(), arg0, kNotVolatile);
// Declaring class to dex cache strings.
- LoadRefDisp(arg0, mirror::Class::DexCacheStringsOffset().Int32Value(), arg0, kNotVolatile);
+ LoadBaseDisp(arg0, mirror::Class::DexCacheStringsOffset().Int32Value(), arg0,
+ cu_->target64 ? k64 : k32, kNotVolatile);
LoadRefDisp(arg0, offset_of_string, ret0, kNotVolatile);
}
@@ -1091,8 +1085,8 @@ void Mir2Lir::GenConstString(uint32_t string_idx, RegLocation rl_dest) {
RegStorage res_reg = AllocTempRef();
LoadRefDisp(rl_method.reg, ArtMethod::DeclaringClassOffset().Int32Value(), res_reg,
kNotVolatile);
- LoadRefDisp(res_reg, mirror::Class::DexCacheStringsOffset().Int32Value(), res_reg,
- kNotVolatile);
+ LoadBaseDisp(res_reg, mirror::Class::DexCacheStringsOffset().Int32Value(), res_reg,
+ cu_->target64 ? k64 : k32, kNotVolatile);
LoadRefDisp(res_reg, offset_of_string, rl_result.reg, kNotVolatile);
FreeTemp(res_reg);
}
@@ -1176,19 +1170,10 @@ void Mir2Lir::GenInstanceofFinal(bool use_declaring_class, uint32_t type_idx, Re
kNotVolatile);
LoadRefDisp(object.reg, mirror::Object::ClassOffset().Int32Value(), object_class,
kNotVolatile);
- } else if (CanUseOpPcRelDexCacheArrayLoad()) {
- size_t offset = dex_cache_arrays_layout_.TypeOffset(type_idx);
- OpPcRelDexCacheArrayLoad(cu_->dex_file, offset, check_class, false);
- LoadRefDisp(object.reg, mirror::Object::ClassOffset().Int32Value(), object_class,
- kNotVolatile);
} else {
- RegStorage r_method = LoadCurrMethodWithHint(check_class);
- LoadRefDisp(r_method, ArtMethod::DexCacheResolvedTypesOffset().Int32Value(),
- check_class, kNotVolatile);
+ LoadTypeFromCache(type_idx, check_class);
LoadRefDisp(object.reg, mirror::Object::ClassOffset().Int32Value(), object_class,
kNotVolatile);
- int32_t offset_of_type = ClassArray::OffsetOfElement(type_idx).Int32Value();
- LoadRefDisp(check_class, offset_of_type, check_class, kNotVolatile);
}
// FIXME: what should we be comparing here? compressed or decompressed references?
@@ -1239,17 +1224,8 @@ void Mir2Lir::GenInstanceofCallingHelper(bool needs_access_check, bool type_know
LoadValueDirectFixed(rl_src, ref_reg); // kArg0 <= ref
}
- if (CanUseOpPcRelDexCacheArrayLoad()) {
- size_t offset = dex_cache_arrays_layout_.TypeOffset(type_idx);
- OpPcRelDexCacheArrayLoad(cu_->dex_file, offset, class_reg, false);
- } else {
- RegStorage r_method = LoadCurrMethodWithHint(class_reg);
- // Load dex cache entry into class_reg (kArg2)
- LoadRefDisp(r_method, ArtMethod::DexCacheResolvedTypesOffset().Int32Value(),
- class_reg, kNotVolatile);
- int32_t offset_of_type = ClassArray::OffsetOfElement(type_idx).Int32Value();
- LoadRefDisp(class_reg, offset_of_type, class_reg, kNotVolatile);
- }
+ // Load dex cache entry into class_reg (kArg2)
+ LoadTypeFromCache(type_idx, class_reg);
if (!can_assume_type_is_in_dex_cache) {
GenIfNullUseHelperImm(class_reg, kQuickInitializeType, type_idx);
@@ -1370,17 +1346,7 @@ void Mir2Lir::GenCheckCast(int opt_flags, uint32_t insn_idx, uint32_t type_idx,
class_reg, kNotVolatile);
} else {
// Load dex cache entry into class_reg (kArg2)
- if (CanUseOpPcRelDexCacheArrayLoad()) {
- size_t offset = dex_cache_arrays_layout_.TypeOffset(type_idx);
- OpPcRelDexCacheArrayLoad(cu_->dex_file, offset, class_reg, false);
- } else {
- RegStorage r_method = LoadCurrMethodWithHint(class_reg);
-
- LoadRefDisp(r_method, ArtMethod::DexCacheResolvedTypesOffset().Int32Value(),
- class_reg, kNotVolatile);
- int32_t offset_of_type = ClassArray::OffsetOfElement(type_idx).Int32Value();
- LoadRefDisp(class_reg, offset_of_type, class_reg, kNotVolatile);
- }
+ LoadTypeFromCache(type_idx, class_reg);
if (!cu_->compiler_driver->CanAssumeTypeIsPresentInDexCache(*cu_->dex_file, type_idx)) {
// Need to test presence of type in dex cache at runtime
GenIfNullUseHelperImm(class_reg, kQuickInitializeType, type_idx);
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-21 10:26:14 +0000