codegen right now, but add and subtract work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57260
91177308-0d34-0410-b5e6-
96231b3b80d8
--- /dev/null
+; RUN: llvm-as < %s | llc -march=x86 > %t
+; RUN: grep adcl %t | count 7
+; RUN: grep sbbl %t | count 7
+
+define void @add(i256* %p, i256* %q) nounwind {
+ %a = load i256* %p
+ %b = load i256* %q
+ %c = add i256 %a, %b
+ store i256 %c, i256* %p
+ ret void
+}
+define void @sub(i256* %p, i256* %q) nounwind {
+ %a = load i256* %p
+ %b = load i256* %q
+ %c = sub i256 %a, %b
+ store i256 %c, i256* %p
+ ret void
+}