host-utils: Move 128-bit guard macro to .c file

It is not possible to implement functions in host-utils.c for
architectures with quadwords because the guard is implemented in the
Makefile. This patch move the guard out of the Makefile to the
implementation file.

Signed-off-by: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

util/Makefile.objs

@@ -12,7 +12,7 @@ util-obj-$(CONFIG_POSIX) += memfd.o
 util-obj-$(CONFIG_WIN32) += oslib-win32.o
 util-obj-$(CONFIG_WIN32) += qemu-thread-win32.o
 util-obj-y += envlist.o path.o module.o
-util-obj-$(call lnot,$(CONFIG_INT128)) += host-utils.o
+util-obj-y += host-utils.o
 util-obj-y += bitmap.o bitops.o hbitmap.o
 util-obj-y += fifo8.o
 util-obj-y += acl.o

util/host-utils.c

@@ -26,6 +26,7 @@
 #include "qemu/osdep.h"
 #include "qemu/host-utils.h"
 
+#ifndef CONFIG_INT128
 /* Long integer helpers */
 static inline void mul64(uint64_t *plow, uint64_t *phigh,
                          uint64_t a, uint64_t b)
@@ -158,4 +159,5 @@ int divs128(int64_t *plow, int64_t *phigh, int64_t divisor)
 
     return overflow;
 }
+#endif