commit 22bb5a2ebc1e2724179faf4660b2735dcb185f21
author Douglas Leung <douglas.leung@imgtec.com> Thu Jul 02 16:42:08 2015 -0700
committer Roland Levillain <rpl@google.com> Fri Jul 03 13:27:29 2015 +0100
tree 74b5bec56238a9f4ee3ee9e52d2fd6da4ee2a806
parent b447598f6900f05f0b1940a0731ee374c57c3100

Add implicit null pointer and stack overflow checks for Mips.

Bug: 21555893
Change-Id: I2a995be128a5603d08753c14956dd8c8240ac63c

compiler/dex/quick/mips/target_mips.cc

diff --git a/compiler/dex/quick/mips/target_mips.cc b/compiler/dex/quick/mips/target_mips.cc
index 4c0bd83..b098bc2 100644
--- a/compiler/dex/quick/mips/target_mips.cc
+++ b/compiler/dex/quick/mips/target_mips.cc
@@ -791,6 +791,7 @@
   RegStorage reg_ptr = TargetReg(kArg0);
   OpRegRegImm(kOpAdd, reg_ptr, r_base, displacement);
   RegStorage r_tgt = LoadHelper(kQuickA64Load);
+  ForceImplicitNullCheck(reg_ptr, 0, true);  // is_wide = true
   LIR *ret = OpReg(kOpBlx, r_tgt);
   RegStorage reg_ret;
   if (cu_->target64) {
@@ -813,6 +814,7 @@
   LockCallTemps();  // Using fixed registers.
   RegStorage temp_ptr = AllocTemp();
   OpRegRegImm(kOpAdd, temp_ptr, r_base, displacement);
+  ForceImplicitNullCheck(temp_ptr, 0, true);  // is_wide = true
   RegStorage temp_value = AllocTempWide();
   OpRegCopyWide(temp_value, r_src);
   if (cu_->target64) {