Port of optimized ICs for external and pixel arrays from ia32 to ARM.

src/arm/constants-arm.cc

 // Copyright 2009 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 63 matching lines @@
 const char* VFPRegisters::names_[kNumVFPRegisters] = {
     "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
     "s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15",
     "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23",
     "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31",
     "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7",
     "d8", "d9", "d10", "d11", "d12", "d13", "d14", "d15"
 };
 
 
-const char* VFPRegisters::Name(int reg) {
+const char* VFPRegisters::Name(int reg, bool is_double) {
   ASSERT((0 <= reg) && (reg < kNumVFPRegisters));
-  return names_[reg];
+  return names_[reg + is_double ? kNumVFPSingleRegisters : 0];
+}
+
+
+int VFPRegisters::Number(const char* name, bool* is_double) {
+  for (int i = 0; i < kNumVFPRegisters; i++) {
+    if (strcmp(names_[i], name) == 0) {
+      if (i < kNumVFPSingleRegisters) {
+        *is_double = false;
+        return i;
+      } else {
+        *is_double = true;
+        return i - kNumVFPSingleRegisters;
+      }
+    }
+  }
+
+  // No register with the requested name found.
+  return kNoRegister;
 }
 
 
 int Registers::Number(const char* name) {
   // Look through the canonical names.
   for (int i = 0; i < kNumRegisters; i++) {
     if (strcmp(names_[i], name) == 0) {
       return i;
     }
   }
 
   // Look through the alias names.
   int i = 0;
   while (aliases_[i].reg != kNoRegister) {
     if (strcmp(aliases_[i].name, name) == 0) {
       return aliases_[i].reg;
     }
     i++;
   }
 
-  // No register with the reguested name found.
+  // No register with the requested name found.
   return kNoRegister;
 }
 
 
 } }  // namespace assembler::arm