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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [machine/] [iq2000/] [setjmp.S] - Rev 158

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/* This is a simple version of setjmp and longjmp for iq2000. */


/* int setjmp (jmp_buf);  */
        .globl  setjmp
        .ent    setjmp
setjmp:
        sw      r16,0(r4)       /* rs0 */
        sw      r17,4(r4)       /* rs1 */
        sw      r18,8(r4)       /* rs2 */
        sw      r19,12(r4)      /* rs3 */
        sw      r20,16(r4)      /* rs4 */
        sw      r21,20(r4)      /* rs5 */
        sw      r22,24(r4)      /* rs6 */
        sw      r23,28(r4)      /* rs7 */
        sw      r30,32(r4)      /* rs8 */

        sw      r29,36(r4)
        sw      r31,40(r4)

        move    r2,r0

        j       r31

        .end    setjmp

/* volatile void longjmp (jmp_buf, int);  */
        .globl  longjmp
        .ent    longjmp
longjmp:
        lw      r16,0(r4)       /* rs0 */
        lw      r17,4(r4)       /* rs1 */
        lw      r18,8(r4)       /* rs2 */
        lw      r19,12(r4)      /* rs3 */
        lw      r20,16(r4)      /* rs4 */
        lw      r21,20(r4)      /* rs5 */
        lw      r22,24(r4)      /* rs6 */
        lw      r23,28(r4)      /* rs7 */
        lw      r30,32(r4)      /* rs8 */

        lw      r29,36(r4)
        lw      r31,40(r4)

        bne     r5,r0,1f
        li      r5,1
1:
        move    r2,r5

        j       r31

        .end longjmp

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