Lazily initialize fast_sqrt() and pass an Isolate parameter to it

src/mips/simulator-mips.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <limits.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <cmath>
 
 #if V8_TARGET_ARCH_MIPS
@@ skipping 2354 matching lines @@
     case ABS_D:
       set_fpu_register_double(fd_reg(), fabs(fs));
       break;
     case MOV_D:
       set_fpu_register_double(fd_reg(), fs);
       break;
     case NEG_D:
       set_fpu_register_double(fd_reg(), -fs);
       break;
     case SQRT_D:
-      set_fpu_register_double(fd_reg(), fast_sqrt(fs));
+      lazily_initialize_fast_sqrt(isolate_);
+      set_fpu_register_double(fd_reg(), fast_sqrt(fs, isolate_));
       break;
     case RSQRT_D: {
       DCHECK(IsMipsArchVariant(kMips32r2) || IsMipsArchVariant(kMips32r6));
-      double result = 1.0 / fast_sqrt(fs);
+      lazily_initialize_fast_sqrt(isolate_);
+      double result = 1.0 / fast_sqrt(fs, isolate_);
       set_fpu_register_double(fd_reg(), result);
       break;
     }
     case RECIP_D: {
       DCHECK(IsMipsArchVariant(kMips32r2) || IsMipsArchVariant(kMips32r6));
       double result = 1.0 / fs;
       set_fpu_register_double(fd_reg(), result);
       break;
     }
     case C_UN_D:
@@ skipping 378 matching lines @@
     case ABS_S:
       set_fpu_register_float(fd_reg(), fabs(fs));
       break;
     case MOV_S:
       set_fpu_register_float(fd_reg(), fs);
       break;
     case NEG_S:
       set_fpu_register_float(fd_reg(), -fs);
       break;
     case SQRT_S:
-      set_fpu_register_float(fd_reg(), fast_sqrt(fs));
+      lazily_initialize_fast_sqrt(isolate_);
+      set_fpu_register_float(fd_reg(), fast_sqrt(fs, isolate_));
       break;
     case RSQRT_S: {
       DCHECK(IsMipsArchVariant(kMips32r2) || IsMipsArchVariant(kMips32r6));
-      float result = 1.0 / fast_sqrt(fs);
+      lazily_initialize_fast_sqrt(isolate_);
+      float result = 1.0 / fast_sqrt(fs, isolate_);
       set_fpu_register_float(fd_reg(), result);
       break;
     }
     case RECIP_S: {
       DCHECK(IsMipsArchVariant(kMips32r2) || IsMipsArchVariant(kMips32r6));
       float result = 1.0 / fs;
       set_fpu_register_float(fd_reg(), result);
       break;
     }
     case C_F_D:
@@ skipping 1638 matching lines @@
 
 
 #undef UNSUPPORTED
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // USE_SIMULATOR
 
 #endif  // V8_TARGET_ARCH_MIPS