usr/src/lib/libc/mips/sys/pipe.s

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Ralph Campbell.
 *
 * %sccs.include.redist.c%
 */

#include "SYS.h"

#if defined(LIBC_SCCS) && !defined(lint)
        ASMSTR("@(#)pipe.s      5.1 (Berkeley) %G%")
#endif /* LIBC_SCCS and not lint */

LEAF(pipe)
        li      v0, SYS_pipe    # pipe(fildes) int fildes[2];
        syscall
        bne     a3, zero, 1f
        sw      v0, 0(a0)       # store the two file descriptors
        sw      v1, 4(a0)
        move    v0, zero
        j       ra
1:
        j       _cerror
END(pipe)