/* Macros for data alignment. */
-#if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
+#if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) || defined(__SUNPRO_CC)
/* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Type-Attributes.html */
#define PIPE_ALIGN_TYPE(_alignment, _type) _type __attribute__((aligned(_alignment)))
#pragma intrinsic(_ReadWriteBarrier)
#define PIPE_READ_WRITE_BARRIER() _ReadWriteBarrier()
+#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC)
+
+#define PIPE_READ_WRITE_BARRIER() __machine_rw_barrier()
+
#else
#warning "Unsupported compiler"