spinlock: fix build with clang

LLVM clang requires an explicitly sized "cmp" assembly instruction.

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>

diff --git a/lib/librte_eal/common/include/rte_spinlock.h b/lib/librte_eal/common/include/rte_spinlock.h
index 85d533a..f79e424 100644 (file)
--- a/lib/librte_eal/common/include/rte_spinlock.h
+++ b/lib/librte_eal/common/include/rte_spinlock.h
@@ -98,7 +98,7 @@ rte_spinlock_lock(rte_spinlock_t *sl)
                        "jz 3f\n"
                        "2:\n"
                        "pause\n"
-                       "cmp $0, %[locked]\n"
+                       "cmpl $0, %[locked]\n"
                        "jnz 2b\n"
                        "jmp 1b\n"
                        "3:\n"