Fixing crash of StringHash test.

test/cctest/test-hashing.cc

 // Copyright 2011 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 33 matching lines @@
 
 typedef uint32_t (*HASH_FUNCTION)();
 
 static v8::Persistent<v8::Context> env;
 
 #define __ assm->
 
 
 void generate(MacroAssembler* assm, i::Vector<const char> string) {
 #ifdef V8_TARGET_ARCH_IA32
+  __ push(ebx);
+  __ push(ecx);
   __ mov(eax, Immediate(0));
   if (string.length() > 0) {
     __ mov(ebx, Immediate(string.at(0)));
     StringHelper::GenerateHashInit(assm, eax, ebx, ecx);
   }
   for (int i = 1; i < string.length(); i++) {
     __ mov(ebx, Immediate(string.at(i)));
     StringHelper::GenerateHashAddCharacter(assm, eax, ebx, ecx);
   }
   StringHelper::GenerateHashGetHash(assm, eax, ecx);
+  __ pop(ecx);
+  __ pop(ebx);
   __ Ret();
 #elif V8_TARGET_ARCH_X64
+  __ push(rbx);
+  __ push(rcx);
   __ movq(rax, Immediate(0));
   if (string.length() > 0) {
     __ movq(rbx, Immediate(string.at(0)));
     StringHelper::GenerateHashInit(assm, rax, rbx, rcx);
   }
   for (int i = 1; i < string.length(); i++) {
     __ movq(rbx, Immediate(string.at(i)));
     StringHelper::GenerateHashAddCharacter(assm, rax, rbx, rcx);
   }
   StringHelper::GenerateHashGetHash(assm, rax, rcx);
+  __ pop(rcx);
+  __ pop(rbx);
   __ Ret();
 #elif V8_TARGET_ARCH_ARM
   __ mov(r0, Operand(0));
   if (string.length() > 0) {
-    __ mov(r1, Operand(string.at(0)));
-    StringHelper::GenerateHashInit(assm, r0, r1);
+    __ mov(ip, Operand(string.at(0)));
+    StringHelper::GenerateHashInit(assm, r0, ip);
   }
   for (int i = 1; i < string.length(); i++) {
-    __ mov(r1, Operand(string.at(i)));
-    StringHelper::GenerateHashAddCharacter(assm, r0, r1);
+    __ mov(ip, Operand(string.at(i)));
+    StringHelper::GenerateHashAddCharacter(assm, r0, ip);
   }
   StringHelper::GenerateHashGetHash(assm, r0);
   __ mov(pc, Operand(lr));
 #elif V8_TARGET_ARCH_MIPS
   __ li(v0, Operand(0));
   if (string.length() > 0) {
-    __ li(v1, Operand(string.at(0)));
-    StringHelper::GenerateHashInit(assm, v0, v1);
+    __ li(t1, Operand(string.at(0)));
+    StringHelper::GenerateHashInit(assm, v0, t1);
   }
   for (int i = 1; i < string.length(); i++) {
-    __ li(v1, Operand(string.at(i)));
-    StringHelper::GenerateHashAddCharacter(assm, v0, v1);
+    __ li(t1, Operand(string.at(i)));
+    StringHelper::GenerateHashAddCharacter(assm, v0, t1);
   }
   StringHelper::GenerateHashGetHash(assm, v0);
   __ jr(ra);
 #endif
 }
 
 
 void check(i::Vector<const char> string) {
   v8::HandleScope scope;
   v8::internal::byte buffer[2048];
@@ skipping 41 matching lines @@
   }
   check(i::Vector<const char>("",        0));
   check(i::Vector<const char>("*",       1));
   check(i::Vector<const char>(".zZ",     3));
   check(i::Vector<const char>("muc",     3));
   check(i::Vector<const char>("(>'_')>", 7));
   check(i::Vector<const char>("-=[ vee eight ftw ]=-", 21));
 }
 
 #undef __