Subzero. X8664. Enables RIP-based addressing mode.

Makefile.standalone

Index: Makefile.standalone
diff --git a/Makefile.standalone b/Makefile.standalone
index 98ba05ed2321a39ad7ec943a9ecac07fedaacfed..a265a31aea3a13811fd2fb07e071cbdee652507a 100644
--- a/Makefile.standalone
+++ b/Makefile.standalone
@@ -137,10 +137,15 @@ endif
 
 ifdef FORCEASM
   FORCEASM_FLAG = --filetype=asm
-  # With --filetype=asm and --sandbox, the llvm-mc assembler emits the lock and
-  # 16-bit prefixes in the "wrong" order, causing the validator to reject the
-  # resulting nexe.  So we just disable those tests for now.
-  FORCEASM_XTEST_EXCLUDES = -e x8632,sandbox,test_sync_atomic
+  # With --filetype=asm and --sandbox:
+  # (1) the llvm-mc assembler emits the lock and 16-bit prefixes in the "wrong"
+  #     order, causing the validator to reject the resulting nexe.
+  # (2) the llvm-mc assembler fails to assemble rip/eip-based addresses.
+  # So we just disable those tests for now.
+  FORCEASM_XTEST_EXCLUDES = \
+      -e x8632,sandbox,test_sync_atomic \
+      -e x8664,sandbox,test_calling_conv \
+      -e x8664,sandbox,test_global
   FORCEASM_LIT_PARAM = --param=FORCEASM
   # x86 sandboxing lit tests are disabled because llvm-mc uses different
   # relocations for pushing return addresses onto the stack.