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| author | Ben Noordhuis <info@bnoordhuis.nl> | 2013-02-25 22:45:23 +0100 |
|---|---|---|
| committer | Ben Noordhuis <info@bnoordhuis.nl> | 2013-02-25 23:45:02 +0100 |
| commit | b15a10e7a014674ef6f71c51ad84032fb7b802e2 (patch) | |
| tree | 3bb04a6cb05c7a37c385eda4521b8a9e7bcd736f /deps/v8/src/mips/deoptimizer-mips.cc | |
| parent | 34046084c0665c8bb2dfd84683dcf29d7ffbad2d (diff) | |
| download | node-new-b15a10e7a014674ef6f71c51ad84032fb7b802e2.tar.gz | |
deps: downgrade v8 to 3.14.5
V8 3.15 and newer have stability and performance issues. Roll back to
a known-good version.
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 e8ed9ccf7b..9fd815bb42 100644 --- a/deps/v8/src/mips/deoptimizer-mips.cc +++ b/deps/v8/src/mips/deoptimizer-mips.cc @@ -120,7 +120,7 @@ void Deoptimizer::PatchStackCheckCodeAt(Code* unoptimized_code, Code* check_code, Code* replacement_code) { const int kInstrSize = Assembler::kInstrSize; - // This structure comes from FullCodeGenerator::EmitBackEdgeBookkeeping. + // This structure comes from FullCodeGenerator::EmitStackCheck. // The call of the stack guard check has the following form: // sltu at, sp, t0 / slt at, a3, zero_reg (in case of count based interrupts) // beq at, zero_reg, ok @@ -170,7 +170,11 @@ 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()->slt(at, a3, zero_reg); + 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. |