Add support for 128 bit multiplicative operations.

Lack of these caused a bootstrap failure with Fortran
on x86-64 with LegalizeTypes turned on.  While there,
be nice to 16 bit machines and support expansion of
i32 too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53408 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/RuntimeLibcalls.h

@@ -35,14 +35,19 @@ namespace RTLIB {
     SRA_I64,
     MUL_I32,
     MUL_I64,
+    MUL_I128,
     SDIV_I32,
     SDIV_I64,
+    SDIV_I128,
     UDIV_I32,
     UDIV_I64,
+    UDIV_I128,
     SREM_I32,
     SREM_I64,
+    SREM_I128,
     UREM_I32,
     UREM_I64,
+    UREM_I128,
     NEG_I32,
     NEG_I64,