Add an untagged double to transcendental cache elements. They now contain an...

src/arm/code-stubs-arm.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2255 matching lines @@
     __ b(eq, &runtime_call);
 
 #ifdef DEBUG
     // Check that the layout of cache elements match expectations.
     { TranscendentalCache::Element test_elem[2];
       char* elem_start = reinterpret_cast<char*>(&test_elem[0]);
       char* elem2_start = reinterpret_cast<char*>(&test_elem[1]);
       char* elem_in0 = reinterpret_cast<char*>(&(test_elem[0].in[0]));
       char* elem_in1 = reinterpret_cast<char*>(&(test_elem[0].in[1]));
       char* elem_out = reinterpret_cast<char*>(&(test_elem[0].output));
-      CHECK_EQ(12, elem2_start - elem_start);  // Two uint_32's and a pointer.
+      // Two uint_32's, a pointer, and an untagged double.
+      CHECK_EQ(20, elem2_start - elem_start);
       CHECK_EQ(0, elem_in0 - elem_start);
       CHECK_EQ(kIntSize, elem_in1 - elem_start);
       CHECK_EQ(2 * kIntSize, elem_out - elem_start);
     }
 #endif
 
-    // Find the address of the r1'st entry in the cache, i.e., &r0[r1*12].
-    __ add(r1, r1, Operand(r1, LSL, 1));
+    // Find the address of the r1'st entry in the cache, i.e., &r0[r1*20].
+    __ add(r1, r1, Operand(r1, LSL, 2));
     __ add(r0, r0, Operand(r1, LSL, 2));
     // Check if cache matches: Double value is stored in uint32_t[2] array.
     __ ldm(ia, r0, r4.bit()| r5.bit() | r6.bit());
     __ cmp(r2, r4);
     __ b(ne, &runtime_call);
     __ cmp(r3, r5);
     __ b(ne, &runtime_call);
     // Cache hit. Load result, pop argument and return.
     __ mov(r0, Operand(r6));
     __ pop();
@@ skipping 2681 matching lines @@
   __ pop(r1);
   __ Jump(r2);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM