Revision: 5687
Author: [email protected]
Date: Thu Oct 21 06:15:12 2010
Log: Implement --noinline-new flag fully on x64 and ia32 platforms.
Review URL: http://codereview.chromium.org/3961005
http://code.google.com/p/v8/source/detail?r=5687

Modified:
 /branches/bleeding_edge/src/ia32/macro-assembler-ia32.cc
 /branches/bleeding_edge/src/ia32/stub-cache-ia32.cc
 /branches/bleeding_edge/src/x64/macro-assembler-x64.cc
 /branches/bleeding_edge/src/x64/stub-cache-x64.cc

=======================================
--- /branches/bleeding_edge/src/ia32/macro-assembler-ia32.cc Thu Sep 23 02:22:45 2010 +++ /branches/bleeding_edge/src/ia32/macro-assembler-ia32.cc Thu Oct 21 06:15:12 2010
@@ -584,6 +584,20 @@
                                         Register scratch,
                                         Label* gc_required,
                                         AllocationFlags flags) {
+  if (!FLAG_inline_new) {
+    if (FLAG_debug_code) {
+      // Trash the registers to simulate an allocation failure.
+      mov(result, Immediate(0x7091));
+      if (result_end.is_valid()) {
+        mov(result_end, Immediate(0x7191));
+      }
+      if (scratch.is_valid()) {
+        mov(scratch, Immediate(0x7291));
+      }
+    }
+    jmp(gc_required);
+    return;
+  }
   ASSERT(!result.is(result_end));

   // Load address of new object into result.
@@ -627,6 +641,19 @@
                                         Register scratch,
                                         Label* gc_required,
                                         AllocationFlags flags) {
+  if (!FLAG_inline_new) {
+    if (FLAG_debug_code) {
+      // Trash the registers to simulate an allocation failure.
+      mov(result, Immediate(0x7091));
+      mov(result_end, Immediate(0x7191));
+      if (scratch.is_valid()) {
+        mov(scratch, Immediate(0x7291));
+      }
+      // Register element_count is not modified by the function.
+    }
+    jmp(gc_required);
+    return;
+  }
   ASSERT(!result.is(result_end));

   // Load address of new object into result.
@@ -655,6 +682,19 @@
                                         Register scratch,
                                         Label* gc_required,
                                         AllocationFlags flags) {
+  if (!FLAG_inline_new) {
+    if (FLAG_debug_code) {
+      // Trash the registers to simulate an allocation failure.
+      mov(result, Immediate(0x7091));
+      mov(result_end, Immediate(0x7191));
+      if (scratch.is_valid()) {
+        mov(scratch, Immediate(0x7291));
+      }
+      // object_size is left unchanged by this function.
+    }
+    jmp(gc_required);
+    return;
+  }
   ASSERT(!result.is(result_end));

   // Load address of new object into result.
=======================================
--- /branches/bleeding_edge/src/ia32/stub-cache-ia32.cc Mon Sep 27 16:41:41 2010 +++ /branches/bleeding_edge/src/ia32/stub-cache-ia32.cc Thu Oct 21 06:15:12 2010
@@ -1465,6 +1465,10 @@
       __ ret((argc + 1) * kPointerSize);

       __ bind(&attempt_to_grow_elements);
+      if (!FLAG_inline_new) {
+        __ jmp(&call_builtin);
+      }
+
       ExternalReference new_space_allocation_top =
           ExternalReference::new_space_allocation_top_address();
       ExternalReference new_space_allocation_limit =
=======================================
--- /branches/bleeding_edge/src/x64/macro-assembler-x64.cc Thu Sep 30 04:48:03 2010 +++ /branches/bleeding_edge/src/x64/macro-assembler-x64.cc Thu Oct 21 06:15:12 2010
@@ -1891,6 +1891,20 @@
                                         Register scratch,
                                         Label* gc_required,
                                         AllocationFlags flags) {
+  if (!FLAG_inline_new) {
+    if (FLAG_debug_code) {
+      // Trash the registers to simulate an allocation failure.
+      movl(result, Immediate(0x7091));
+      if (result_end.is_valid()) {
+        movl(result_end, Immediate(0x7191));
+      }
+      if (scratch.is_valid()) {
+        movl(scratch, Immediate(0x7291));
+      }
+    }
+    jmp(gc_required);
+    return;
+  }
   ASSERT(!result.is(result_end));

   // Load address of new object into result.
@@ -1935,6 +1949,19 @@
                                         Register scratch,
                                         Label* gc_required,
                                         AllocationFlags flags) {
+  if (!FLAG_inline_new) {
+    if (FLAG_debug_code) {
+      // Trash the registers to simulate an allocation failure.
+      movl(result, Immediate(0x7091));
+      movl(result_end, Immediate(0x7191));
+      if (scratch.is_valid()) {
+        movl(scratch, Immediate(0x7291));
+      }
+      // Register element_count is not modified by the function.
+    }
+    jmp(gc_required);
+    return;
+  }
   ASSERT(!result.is(result_end));

   // Load address of new object into result.
@@ -1964,6 +1991,21 @@
                                         Register scratch,
                                         Label* gc_required,
                                         AllocationFlags flags) {
+  if (!FLAG_inline_new) {
+    if (FLAG_debug_code) {
+      // Trash the registers to simulate an allocation failure.
+      movl(result, Immediate(0x7091));
+      movl(result_end, Immediate(0x7191));
+      if (scratch.is_valid()) {
+        movl(scratch, Immediate(0x7291));
+      }
+      // object_size is left unchanged by this function.
+    }
+    jmp(gc_required);
+    return;
+  }
+  ASSERT(!result.is(result_end));
+
   // Load address of new object into result.
   LoadAllocationTopHelper(result, result_end, scratch, flags);

=======================================
--- /branches/bleeding_edge/src/x64/stub-cache-x64.cc Mon Sep 27 16:41:41 2010 +++ /branches/bleeding_edge/src/x64/stub-cache-x64.cc Thu Oct 21 06:15:12 2010
@@ -1191,6 +1191,10 @@
       __ ret((argc + 1) * kPointerSize);

       __ bind(&attempt_to_grow_elements);
+      if (!FLAG_inline_new) {
+        __ jmp(&call_builtin);
+      }
+
       ExternalReference new_space_allocation_top =
           ExternalReference::new_space_allocation_top_address();
       ExternalReference new_space_allocation_limit =

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