x86_64: Support r8-r15, xmm8-xmm15 in assembler

Added REX support. The TARGET_REX_SUPPORT should be used during build.

Change-Id: I82b457ff5085c8192ad873923bd939fbb91022ce
Signed-off-by: Dmitry Petrochenko <dmitry.petrochenko@intel.com>
diff --git a/compiler/dex/quick/x86/target_x86.cc b/compiler/dex/quick/x86/target_x86.cc
index 19ad2f8..8b34168 100644
--- a/compiler/dex/quick/x86/target_x86.cc
+++ b/compiler/dex/quick/x86/target_x86.cc
@@ -38,7 +38,7 @@
 static const RegStorage core_regs_arr_64q[] = {
     rs_r0q, rs_r1q, rs_r2q, rs_r3q, rs_rX86_SP_64, rs_r5q, rs_r6q, rs_r7q,
 #ifdef TARGET_REX_SUPPORT
-    rs_r8, rs_r9, rs_r10, rs_r11, rs_r12, rs_r13, rs_r14, rs_r15
+    rs_r8q, rs_r9q, rs_r10q, rs_r11q, rs_r12q, rs_r13q, rs_r14q, rs_r15q
 #endif
 };
 static const RegStorage sp_regs_arr_32[] = {