Subzero. Native 64-bit int arithmetic on x86-64.

Makefile.standalone

Index: Makefile.standalone
diff --git a/Makefile.standalone b/Makefile.standalone
index 0248a1137451c3bb3f20b992c482a55333f7dfac..298a81002744d31ed31c02c9f56dbe50202686b5 100644
--- a/Makefile.standalone
+++ b/Makefile.standalone
@@ -325,6 +325,7 @@ $(OBJDIR)/unittest/AssemblerX8664: $(OBJDIR)/unittest
 
 RT_SRC := runtime/szrt.c runtime/szrt_ll.ll runtime/szrt_profiler.c
 RT_OBJ := build/runtime/szrt_native_x8632.o build/runtime/szrt_sb_x8632.o \
+	build/runtime/szrt_native_x8664.o build/runtime/szrt_sb_x8664.o \
 	build/runtime/szrt_native_arm32.o build/runtime/szrt_sb_arm32.o
 
 runtime: $(RT_OBJ)
@@ -352,6 +353,9 @@ check-xtest: $(OBJDIR)/pnacl-sz make_symlink runtime
 	  --toolchain-root $(TOOLCHAIN_ROOT) \
 	  -i x8632,native,sse2 -i x8632,native,sse4.1,test_vector_ops \
 	  -i x8632,sandbox,sse4.1,Om1 \
+	  -i x8664,native,sse2 -i x8664,native,sse4.1,test_vector_ops \
+	  -e x8664,native,sse2,test_global \
+	  -e x8664,sandbox,sse4.1,Om1 \

[Jim Stichnoth, 2015/08/11 16:01:37]

This -e actually has no effect, since none of the -i options would have included
x8664+sandbox.  I guess as it stands, it's mostly documentation of what else is
to come?  May be better to express that as a TODO comment.

[John, 2015/08/12 19:27:55]

Done.

 	  -i arm32,native,neon,simple_loop \
 	  -i arm32,native,neon,mem_intrin \
 	  -i arm32,native,neon,test_bitmanip \