Subversion Repositories or1k

; setjmp/longjmp for D30V.

        .text
        .globl  setjmp
        .type   setjmp,@function
        .stabs  "setjmp.S",100,0,0,setjmp
        .stabs  "int:t(0,1)=r(0,1);-2147483648;2147483647;",128,0,0,0
        .stabs  "setjmp:F(0,1)",36,0,1,setjmp

setjmp:
; Address of jmpbuf is passed in R2.  Save the appropriate registers.
        st2w    r26, @(r2+,r0)
        st2w    r28, @(r2+,r0)
        st2w    r30, @(r2+,r0)
        st2w    r32, @(r2+,r0)
        st2w    r34, @(r2+,r0)
        st2w    r36, @(r2+,r0)
        st2w    r38, @(r2+,r0)
        st2w    r40, @(r2+,r0)
        st2w    r42, @(r2+,r0)
        st2w    r44, @(r2+,r0)
        st2w    r46, @(r2+,r0)
        st2w    r48, @(r2+,r0)
        st2w    r50, @(r2+,r0)
        st2w    r52, @(r2+,r0)
        st2w    r54, @(r2+,r0)
        st2w    r56, @(r2+,r0)
        st2w    r58, @(r2+,r0)
        st2w    r60, @(r2+,r0)
        st2w    r62, @(r2+,r0)

        mvfacc  r4, a1, 16
        mvfacc  r5, a1, 0
        st2w    r4, @(r2+,r0)

        mvfsys  r4, psw
        mvfsys  r5, rpt_c
        st2w    r4, @(r2+,r0)

        mvfsys  r4, rpt_s
        mvfsys  r5, rpt_e
        st2w    r4, @(r2+,r0)

        mvfsys  r4, mod_s
        mvfsys  r5, mod_e
        st2w    r4, @(r2+,r0)

; Return 0 to caller
        add     r2, r0, r0
        jmp     link
.Lsetjmp:
        .size   setjmp,.Lsetjmp-setjmp
        .stabs  "",36,0,0,.Lsetjmp-setjmp

        .globl  longjmp
        .type   longjmp,@function
        .stabs  "longjmp:F(0,1)",36,0,1,longjmp
longjmp:
; Address of jmpbuf is in R2.  Restore the registers.
        ld2w    r26, @(r2+,r0)
        ld2w    r28, @(r2+,r0)
        ld2w    r30, @(r2+,r0)
        ld2w    r32, @(r2+,r0)
        ld2w    r34, @(r2+,r0)
        ld2w    r36, @(r2+,r0)
        ld2w    r38, @(r2+,r0)
        ld2w    r40, @(r2+,r0)
        ld2w    r42, @(r2+,r0)
        ld2w    r44, @(r2+,r0)
        ld2w    r46, @(r2+,r0)
        ld2w    r48, @(r2+,r0)
        ld2w    r50, @(r2+,r0)
        ld2w    r52, @(r2+,r0)
        ld2w    r54, @(r2+,r0)
        ld2w    r56, @(r2+,r0)
        ld2w    r58, @(r2+,r0)
        ld2w    r60, @(r2+,r0)
        ld2w    r62, @(r2+,r0)

        ld2w    r4, @(r2+,r0)
        mvtacc  a1, r4, r5

        mvfsys  r6, psw
        ld2w    r4, @(r2+,r0)           /* psw, rpt_c */
        and     r6, r6, 0xfcff          /* set rp, md bits from setjmp, leave */
        and     r4, r4, 0x0300          /* all other psw bits the same */
        or      r4, r4, r6
        mvtsys  psw, r4
        mvtsys  rpt_c, r5

        ld2w    r4, @(r2+,r0)
        mvtsys  rpt_s, r4
        mvtsys  rpt_e, r5

        ld2w    r4, @(r2+,r0)
        mvtsys  mod_s, r4
        mvtsys  mod_e, r5

; Value to return to caller is in R3.  If caller attemped to return 0,
; return 1 instead.

        cmpeq   f0, r3, 0       ||      add     r2, r3, r0
        jmp     link            ||      add/tx  r2, r2, 1
.Llongjmp:
        .size   longjmp,.Llongjmp-longjmp
        .stabs  "",36,0,0,.Llongjmp-longjmp