More ARM fixes; initialize free reg list correctly initially. Also use LastReg+1 instead of NJ_MAX_REGISTERS in RegAlloc -- LastReg+1 is what's used in the .h file, to avoid any mismatches.

js/src/nanojit/NativeARM.cpp

@@ -300,7 +300,14 @@ Assembler::nRegisterResetAll(RegAlloc& a)
     // add scratch registers to our free list for the allocator
     a.clear();
     a.used = 0;
-    a.free = rmask(R0) | rmask(R1) | rmask(R2) | rmask(R3) | rmask(R4) | rmask(R5) | FpRegs;
+    a.free =
+        rmask(R0) | rmask(R1) | rmask(R2) | rmask(R3) | rmask(R4) |
+        rmask(R5) | rmask(R6) | rmask(R7) | rmask(R8) | rmask(R9) |
+        rmask(R10);
+#ifdef NJ_ARM_VFP
+    a.free |= FpRegs;
+#endif
+
     debug_only(a.managed = a.free);
 }
 

js/src/nanojit/RegAlloc.cpp

@@ -49,7 +49,7 @@ namespace nanojit
 	{
 		free = 0;
 		used = 0;
-		memset(active, 0, NJ_MAX_REGISTERS * sizeof(LIns*));
+		memset(active, 0, (LastReg+1) * sizeof(LIns*));
 	}
 
 	bool RegAlloc::isFree(Register r) 
@@ -120,6 +120,7 @@ namespace nanojit
                 }
 			}
 		}
+
         NanoAssert(a != 0);
         return a;
 	}
@@ -130,7 +131,7 @@ namespace nanojit
 		if (!frag || !frag->lirbuf)
 			return;
 		LirNameMap *names = frag->lirbuf->names;
-		for(int i=0; i<NJ_MAX_REGISTERS; i++)
+		for(int i=0; i<(LastReg+1); i++)
 		{
 			LIns* ins = regs.active[i];
 			Register r = (Register)i;