MIPS[64]: Support for MSA instructions

src/base/cpu.cc

Index: src/base/cpu.cc
diff --git a/src/base/cpu.cc b/src/base/cpu.cc
index 896c25dab1d91962eb4cc332772bba26e9ebebb7..bf530c628165413418a49f5cb9ad418af822a6fd 100644
--- a/src/base/cpu.cc
+++ b/src/base/cpu.cc
@@ -596,7 +596,10 @@ CPU::CPU()
   CPUInfo cpu_info;
   char* cpu_model = cpu_info.ExtractField("cpu model");
   has_fpu_ = HasListItem(cpu_model, "FPU");
+  char* ASEs = cpu_info.ExtractField("ASEs implemented");
+  has_msa_ = HasListItem(ASEs, "msa");
   delete[] cpu_model;
+  delete[] ASEs;
 #ifdef V8_HOST_ARCH_MIPS
   is_fp64_mode_ = __detect_fp64_mode();
   architecture_ = __detect_mips_arch_revision();