diff options
Diffstat (limited to 'deps/v8/src/mips/deoptimizer-mips.cc')
| -rw-r--r-- | deps/v8/src/mips/deoptimizer-mips.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/deps/v8/src/mips/deoptimizer-mips.cc b/deps/v8/src/mips/deoptimizer-mips.cc index 611fbaaf96..51c2e46778 100644 --- a/deps/v8/src/mips/deoptimizer-mips.cc +++ b/deps/v8/src/mips/deoptimizer-mips.cc @@ -119,7 +119,7 @@ void Deoptimizer::PatchStackCheckCodeAt(Code* unoptimized_code, const int kInstrSize = Assembler::kInstrSize; // This structure comes from FullCodeGenerator::EmitStackCheck. // The call of the stack guard check has the following form: - // sltu at, sp, t0 + // sltu at, sp, t0 / slt at, a3, zero_reg (in case of count based interrupts) // beq at, zero_reg, ok // lui t9, <stack guard address> upper // ori t9, <stack guard address> lower @@ -167,7 +167,11 @@ void Deoptimizer::RevertStackCheckCodeAt(Code* unoptimized_code, // Restore the sltu instruction so beq can be taken again. CodePatcher patcher(pc_after - 6 * kInstrSize, 1); - patcher.masm()->sltu(at, sp, t0); + if (FLAG_count_based_interrupts) { + patcher.masm()->slt(at, a3, zero_reg); + } else { + patcher.masm()->sltu(at, sp, t0); + } // Replace the on-stack replacement address in the load-immediate (lui/ori // pair) with the entry address of the normal stack-check code. |