Add support for ldrd/strd from Kun Zhang (zhangk@codeaurora.org), Code Aurora

src/arm/codegen-arm.cc

Index: src/arm/codegen-arm.cc
===================================================================
--- src/arm/codegen-arm.cc	(revision 3712)
+++ src/arm/codegen-arm.cc	(working copy)
@@ -1890,8 +1890,8 @@
   node->break_target()->set_direction(JumpTarget::FORWARD_ONLY);
   node->continue_target()->set_direction(JumpTarget::FORWARD_ONLY);
 
-  __ ldr(r0, frame_->ElementAt(0));  // load the current count
-  __ ldr(r1, frame_->ElementAt(1));  // load the length
+  // load the current count to r0, load the length to r1

[Erik Corry, 2010/05/04 07:06:13]

When we are reformatting comments we should take the oportunity to format them
correctly with capital letters and full stops.

[zhangk, 2010/05/07 05:32:14]

On 2010/05/04 07:06:13, Erik Corry wrote:

Done.

+  __ ldrd(r0, frame_->ElementAt(0));
   __ cmp(r0, Operand(r1));  // compare to the array length
   node->break_target()->Branch(hs);
 
@@ -5369,8 +5369,7 @@
     __ vldr(d7, r7, HeapNumber::kValueOffset);
   } else {
     // Calling convention says that second double is in r2 and r3.
-    __ ldr(r2, FieldMemOperand(r0, HeapNumber::kValueOffset));
-    __ ldr(r3, FieldMemOperand(r0, HeapNumber::kValueOffset + 4));
+    __ ldrd(r2, FieldMemOperand(r0, HeapNumber::kValueOffset));
   }
   __ jmp(&finished_loading_r0);
   __ bind(&r0_is_smi);
@@ -5411,8 +5410,7 @@
     __ vldr(d6, r7, HeapNumber::kValueOffset);
   } else {
     // Calling convention says that first double is in r0 and r1.
-    __ ldr(r0, FieldMemOperand(r1, HeapNumber::kValueOffset));
-    __ ldr(r1, FieldMemOperand(r1, HeapNumber::kValueOffset + 4));
+    __ ldrd(r0, FieldMemOperand(r1, HeapNumber::kValueOffset));
   }
   __ jmp(&finished_loading_r1);
   __ bind(&r1_is_smi);
@@ -5493,8 +5491,7 @@
   __ stc(p1, cr8, MemOperand(r5, HeapNumber::kValueOffset));
 #else
   // Double returned in registers 0 and 1.
-  __ str(r0, FieldMemOperand(r4, HeapNumber::kValueOffset));
-  __ str(r1, FieldMemOperand(r4, HeapNumber::kValueOffset + 4));
+  __ strd(r0, FieldMemOperand(r4, HeapNumber::kValueOffset));
 #endif
   __ mov(r0, Operand(r4));
   // And we are done.