diff options
Diffstat (limited to 'compiler/dex/quick/arm64/call_arm64.cc')
| -rw-r--r-- | compiler/dex/quick/arm64/call_arm64.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/compiler/dex/quick/arm64/call_arm64.cc b/compiler/dex/quick/arm64/call_arm64.cc index d1e4b7e89a..24e8fdff80 100644 --- a/compiler/dex/quick/arm64/call_arm64.cc +++ b/compiler/dex/quick/arm64/call_arm64.cc @@ -392,6 +392,23 @@ void Arm64Mir2Lir::GenSpecialExitSequence() { NewLIR0(kA64Ret); } +void Arm64Mir2Lir::GenSpecialEntryForSuspend() { + // Keep 16-byte stack alignment - push x0, i.e. ArtMethod*, lr. + core_spill_mask_ = (1u << rs_xLR.GetRegNum()); + num_core_spills_ = 1u; + fp_spill_mask_ = 0u; + num_fp_spills_ = 0u; + frame_size_ = 16u; + core_vmap_table_.clear(); + fp_vmap_table_.clear(); + NewLIR4(WIDE(kA64StpPre4rrXD), rs_x0.GetReg(), rs_xLR.GetReg(), rs_sp.GetReg(), -frame_size_ / 8); +} + +void Arm64Mir2Lir::GenSpecialExitForSuspend() { + // Pop the frame. (ArtMethod* no longer needed but restore it anyway.) + NewLIR4(WIDE(kA64LdpPost4rrXD), rs_x0.GetReg(), rs_xLR.GetReg(), rs_sp.GetReg(), frame_size_ / 8); +} + static bool Arm64UseRelativeCall(CompilationUnit* cu, const MethodReference& target_method) { // Emit relative calls anywhere in the image or within a dex file otherwise. return cu->compiler_driver->IsImage() || cu->dex_file == target_method.dex_file; |