Declare register names as static constants rather than external globals.

src/ia32/assembler-ia32.h

Index: src/ia32/assembler-ia32.h
===================================================================
--- src/ia32/assembler-ia32.h	(revision 2101)
+++ src/ia32/assembler-ia32.h	(working copy)
@@ -79,15 +79,15 @@
   int code_;
 };
 
-extern Register eax;
-extern Register ecx;
-extern Register edx;
-extern Register ebx;
-extern Register esp;
-extern Register ebp;
-extern Register esi;
-extern Register edi;
-extern Register no_reg;
+const Register eax = {0};

[Kevin Millikin (Chromium), 2009/06/04 10:58:31]

Format this one like the others.

+const Register ecx = { 1 };
+const Register edx = { 2 };
+const Register ebx = { 3 };
+const Register esp = { 4 };
+const Register ebp = { 5 };
+const Register esi = { 6 };
+const Register edi = { 7 };
+const Register no_reg = { -1 };
 
 
 struct XMMRegister {
@@ -100,14 +100,14 @@
   int code_;
 };
 
-extern XMMRegister xmm0;
-extern XMMRegister xmm1;
-extern XMMRegister xmm2;
-extern XMMRegister xmm3;
-extern XMMRegister xmm4;
-extern XMMRegister xmm5;
-extern XMMRegister xmm6;
-extern XMMRegister xmm7;
+const XMMRegister xmm0 = { 0 };

[William Hesse, 2009/06/04 10:49:51]

OK, static const changed to const.

+const XMMRegister xmm1 = { 1 };
+const XMMRegister xmm2 = { 2 };
+const XMMRegister xmm3 = { 3 };
+const XMMRegister xmm4 = { 4 };
+const XMMRegister xmm5 = { 5 };
+const XMMRegister xmm6 = { 6 };
+const XMMRegister xmm7 = { 7 };
 
 enum Condition {
   // any value < 0 is considered no_condition