Optimizing/X86: PC-relative dex cache array addressing.

Add PC-relative dex cache array addressing for X86 and use
it for better invoke-static/-direct dispatch. Also delay
the initialization to the PC-relative base until needed.

Change-Id: Ib8634d5edce4920cd70172fd13211809cf6948d1

1 files changed, 8 insertions, 0 deletions

diff --git a/compiler/optimizing/code_generator.h b/compiler/optimizing/code_generator.h
index a92014dc79..2108abefcc 100644
--- a/compiler/optimizing/code_generator.h
+++ b/compiler/optimizing/code_generator.h
@@ -490,6 +490,7 @@ class CodeGenerator {
         compiler_options_(compiler_options),
         src_map_(graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
         slow_paths_(graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
+        current_slow_path_(nullptr),
         current_block_index_(0),
         is_leaf_(true),
         requires_current_method_(false) {
@@ -557,6 +558,10 @@ class CodeGenerator {
     return raw_pointer_to_labels_array + block->GetBlockId();
   }
 
+  SlowPathCode* GetCurrentSlowPath() {
+    return current_slow_path_;
+  }
+
   // Frame size required for this method.
   uint32_t frame_size_;
   uint32_t core_spill_mask_;
@@ -605,6 +610,9 @@ class CodeGenerator {
   ArenaVector<SrcMapElem> src_map_;
   ArenaVector<SlowPathCode*> slow_paths_;
 
+  // The current slow path that we're generating code for.
+  SlowPathCode* current_slow_path_;
+
   // The current block index in `block_order_` of the block
   // we are generating code for.
   size_t current_block_index_;