From e3fb245fbdb5e91cf8a9750504df40bd629e0080 Mon Sep 17 00:00:00 2001
From: Alexey Frunze <Alexey.Frunze@imgtec.com>
Date: Tue, 10 May 2016 16:08:05 -0700
Subject: MIPS32: Improve method invocation

Improvements include:
- CodeGeneratorMIPS::GenerateStaticOrDirectCall() supports:
  - MethodLoadKind::kDirectAddressWithFixup (via literals)
  - CodePtrLocation::kCallDirectWithFixup (via literals)
  - MethodLoadKind::kDexCachePcRelative
- 32-bit literals to support the above (not ready for general-
  purpose applications yet because RA is not saved in leaf
  methods, but is clobbered on MIPS32R2 when simulating
  PC-relative addressing (MIPS32R6 is OK because it has
  PC-relative addressing with the lwpc instruction))
- shorter instruction sequences for recursive static/direct
  calls

Tested:
- test-art-host-gtest
- test-art-target-gtest and test-art-target-run-test-optimizing on:
  - MIPS32R2 QEMU
  - CI20 board
  - MIPS32R6 (2nd arch) QEMU

Change-Id: Id5b137ad32d5590487fd154c9a01d3b3e7e044ff
---
 compiler/optimizing/optimizing_compiler.cc | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'compiler/optimizing/optimizing_compiler.cc')

diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index c9a4bfe987..d703b0f94f 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -28,6 +28,11 @@
 #include "instruction_simplifier_arm64.h"
 #endif
 
+#ifdef ART_ENABLE_CODEGEN_mips
+#include "dex_cache_array_fixups_mips.h"
+#include "pc_relative_fixups_mips.h"
+#endif
+
 #ifdef ART_ENABLE_CODEGEN_x86
 #include "pc_relative_fixups_x86.h"
 #endif
@@ -462,6 +467,20 @@ static void RunArchOptimizations(InstructionSet instruction_set,
       break;
     }
 #endif
+#ifdef ART_ENABLE_CODEGEN_mips
+    case kMips: {
+      mips::PcRelativeFixups* pc_relative_fixups =
+          new (arena) mips::PcRelativeFixups(graph, codegen, stats);
+      mips::DexCacheArrayFixups* dex_cache_array_fixups =
+          new (arena) mips::DexCacheArrayFixups(graph, stats);
+      HOptimization* mips_optimizations[] = {
+          pc_relative_fixups,
+          dex_cache_array_fixups
+      };
+      RunOptimizations(mips_optimizations, arraysize(mips_optimizations), pass_observer);
+      break;
+    }
+#endif
 #ifdef ART_ENABLE_CODEGEN_x86
     case kX86: {
       x86::PcRelativeFixups* pc_relative_fixups =
-- 
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