Change kPointerSize to kIntSize in ia32 specific stack check patching.

The call uses a 32 bit displacement relative to the next instruction. Althoug this has no actual impact on the 32 bit platform I think this is more correct (and will make the x64 and ia32 code more alike).

Review URL: http://codereview.chromium.org/6515011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6774 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ia32/deoptimizer-ia32.cc

@@ -137,39 +137,39 @@ void Deoptimizer::DeoptimizeFunction(JSFunction* function) {
 void Deoptimizer::PatchStackCheckCodeAt(Address pc_after,
                                         Code* check_code,
                                         Code* replacement_code) {
-    Address call_target_address = pc_after - kPointerSize;
-    ASSERT(check_code->entry() ==
-           Assembler::target_address_at(call_target_address));
-    // The stack check code matches the pattern:
-    //
-    //     cmp esp, <limit>
-    //     jae ok
-    //     call <stack guard>
-    //     test eax, <loop nesting depth>
-    // ok: ...
-    //
-    // We will patch away the branch so the code is:
-    //
-    //     cmp esp, <limit>  ;; Not changed
-    //     nop
-    //     nop
-    //     call <on-stack replacment>
-    //     test eax, <loop nesting depth>
-    // ok:
-    ASSERT(*(call_target_address - 3) == 0x73 &&  // jae
-           *(call_target_address - 2) == 0x07 &&  // offset
-           *(call_target_address - 1) == 0xe8);   // call
-    *(call_target_address - 3) = 0x90;  // nop
-    *(call_target_address - 2) = 0x90;  // nop
-    Assembler::set_target_address_at(call_target_address,
-                                     replacement_code->entry());
+  Address call_target_address = pc_after - kIntSize;
+  ASSERT(check_code->entry() ==
+         Assembler::target_address_at(call_target_address));
+  // The stack check code matches the pattern:
+  //
+  //     cmp esp, <limit>
+  //     jae ok
+  //     call <stack guard>
+  //     test eax, <loop nesting depth>
+  // ok: ...
+  //
+  // We will patch away the branch so the code is:
+  //
+  //     cmp esp, <limit>  ;; Not changed
+  //     nop
+  //     nop
+  //     call <on-stack replacment>
+  //     test eax, <loop nesting depth>
+  // ok:
+  ASSERT(*(call_target_address - 3) == 0x73 &&  // jae
+         *(call_target_address - 2) == 0x07 &&  // offset
+         *(call_target_address - 1) == 0xe8);   // call
+  *(call_target_address - 3) = 0x90;  // nop
+  *(call_target_address - 2) = 0x90;  // nop
+  Assembler::set_target_address_at(call_target_address,
+                                   replacement_code->entry());
 }
 
 
 void Deoptimizer::RevertStackCheckCodeAt(Address pc_after,
                                          Code* check_code,
                                          Code* replacement_code) {
-  Address call_target_address = pc_after - kPointerSize;
+  Address call_target_address = pc_after - kIntSize;
   ASSERT(replacement_code->entry() ==
          Assembler::target_address_at(call_target_address));
   // Replace the nops from patching (Deoptimizer::PatchStackCheckCode) to