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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgcc/] [config/] [v850/] [lib1funcs.S] - Rev 773

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/* libgcc routines for NEC V850.
   Copyright (C) 1996, 1997, 2002, 2005, 2009, 2010
   Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.

This file is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */

#ifdef L_mulsi3
        .text
        .globl ___mulsi3
        .type  ___mulsi3,@function
___mulsi3:
#ifdef __v850__ 
/*
   #define SHIFT 12
   #define MASK ((1 << SHIFT) - 1)
    
   #define STEP(i, j)                               \
   ({                                               \
       short a_part = (a >> (i)) & MASK;            \
       short b_part = (b >> (j)) & MASK;            \
       int res = (((int) a_part) * ((int) b_part)); \
       res;                                         \
   })
  
   int
   __mulsi3 (unsigned a, unsigned b)
   {
      return STEP (0, 0) +
          ((STEP (SHIFT, 0) + STEP (0, SHIFT)) << SHIFT) +
          ((STEP (0, 2 * SHIFT) + STEP (SHIFT, SHIFT) + STEP (2 * SHIFT, 0))
           << (2 * SHIFT));
   }
*/
        mov   r6, r14
        movea lo(32767), r0, r10
        and   r10, r14
        mov   r7,  r15
        and   r10, r15
        shr   15,  r6
        mov   r6,  r13
        and   r10, r13
        shr   15,  r7
        mov   r7,  r12
        and   r10, r12
        shr   15,  r6
        shr   15,  r7
        mov   r14, r10
        mulh  r15, r10
        mov   r14, r11
        mulh  r12, r11
        mov   r13, r16
        mulh  r15, r16
        mulh  r14, r7
        mulh  r15, r6
        add   r16, r11
        mulh  r13, r12
        shl   15,  r11
        add   r11, r10
        add   r12, r7
        add   r6,  r7
        shl   30,  r7
        add   r7,  r10
        jmp   [r31]
#endif /* __v850__ */
#if defined(__v850e__) || defined(__v850ea__) || defined(__v850e2__) || defined(__v850e2v3__)
        /* This routine is almost unneccesarry because gcc
           generates the MUL instruction for the RTX mulsi3.
           But if someone wants to link his application with
           previsously compiled v850 objects then they will 
           need this function.  */
 
        /* It isn't good to put the inst sequence as below;
              mul r7, r6,
              mov r6, r10, r0
           In this case, there is a RAW hazard between them.
           MUL inst takes 2 cycle in EX stage, then MOV inst
           must wait 1cycle.  */
        mov   r7, r10
        mul   r6, r10, r0
        jmp   [r31]
#endif /* __v850e__ */
        .size ___mulsi3,.-___mulsi3
#endif /* L_mulsi3 */


#ifdef L_udivsi3
        .text
        .global ___udivsi3
        .type   ___udivsi3,@function
___udivsi3:
#ifdef __v850__
        mov 1,r12
        mov 0,r10
        cmp r6,r7
        bnl .L12
        movhi hi(-2147483648),r0,r13
        cmp r0,r7
        blt .L12
.L4:
        shl 1,r7
        shl 1,r12
        cmp r6,r7
        bnl .L12
        cmp r0,r12
        be .L8
        mov r7,r19
        and r13,r19
        be .L4
        br .L12
.L9:
        cmp r7,r6
        bl .L10
        sub r7,r6
        or r12,r10
.L10:
        shr 1,r12
        shr 1,r7
.L12:
        cmp r0,r12
        bne .L9
.L8:
        jmp [r31]

#else /* defined(__v850e__) */

        /* See comments at end of __mulsi3.  */
        mov   r6, r10   
        divu  r7, r10, r0
        jmp   [r31]             

#endif /* __v850e__ */

        .size ___udivsi3,.-___udivsi3
#endif

#ifdef L_divsi3
        .text
        .globl ___divsi3
        .type  ___divsi3,@function
___divsi3:
#ifdef __v850__
        add -8,sp
        st.w r31,4[sp]
        st.w r22,0[sp]
        mov 1,r22
        tst r7,r7
        bp .L3
        subr r0,r7
        subr r0,r22
.L3:
        tst r6,r6
        bp .L4
        subr r0,r6
        subr r0,r22
.L4:
        jarl ___udivsi3,r31
        cmp r0,r22
        bp .L7
        subr r0,r10
.L7:
        ld.w 0[sp],r22
        ld.w 4[sp],r31
        add 8,sp
        jmp [r31]

#else /* defined(__v850e__) */

        /* See comments at end of __mulsi3.  */
        mov   r6, r10
        div   r7, r10, r0
        jmp   [r31]

#endif /* __v850e__ */

        .size ___divsi3,.-___divsi3
#endif

#ifdef  L_umodsi3
        .text
        .globl ___umodsi3
        .type  ___umodsi3,@function
___umodsi3:
#ifdef __v850__
        add -12,sp
        st.w r31,8[sp]
        st.w r7,4[sp]
        st.w r6,0[sp]
        jarl ___udivsi3,r31
        ld.w 4[sp],r7
        mov r10,r6
        jarl ___mulsi3,r31
        ld.w 0[sp],r6
        subr r6,r10
        ld.w 8[sp],r31
        add 12,sp
        jmp [r31]

#else /* defined(__v850e__) */

        /* See comments at end of __mulsi3.  */
        divu  r7, r6, r10
        jmp   [r31]

#endif /* __v850e__ */

        .size ___umodsi3,.-___umodsi3
#endif /* L_umodsi3 */

#ifdef  L_modsi3
        .text
        .globl ___modsi3
        .type  ___modsi3,@function
___modsi3:
#ifdef __v850__ 
        add -12,sp
        st.w r31,8[sp]
        st.w r7,4[sp]
        st.w r6,0[sp]
        jarl ___divsi3,r31
        ld.w 4[sp],r7
        mov r10,r6
        jarl ___mulsi3,r31
        ld.w 0[sp],r6
        subr r6,r10
        ld.w 8[sp],r31
        add 12,sp
        jmp [r31]

#else /* defined(__v850e__) */

        /* See comments at end of __mulsi3.  */
        div  r7, r6, r10
        jmp [r31]

#endif /* __v850e__ */

        .size ___modsi3,.-___modsi3
#endif /* L_modsi3 */

#ifdef  L_save_2
        .text
        .align  2
        .globl  __save_r2_r29
        .type   __save_r2_r29,@function
        /* Allocate space and save registers 2, 20 .. 29 on the stack.  */
        /* Called via:  jalr __save_r2_r29,r10.  */
__save_r2_r29:
#ifdef __EP__
        mov     ep,r1
        addi    -44,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r23,24[ep]
        sst.w   r22,28[ep]
        sst.w   r21,32[ep]
        sst.w   r20,36[ep]
        sst.w   r2,40[ep]
        mov     r1,ep
#else
        addi    -44,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r23,24[sp]
        st.w    r22,28[sp]
        st.w    r21,32[sp]
        st.w    r20,36[sp]
        st.w    r2,40[sp]
#endif
        jmp     [r10]
        .size   __save_r2_r29,.-__save_r2_r29

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r2_r29.  */
        .align  2
        .globl  __return_r2_r29
        .type   __return_r2_r29,@function
__return_r2_r29:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r23
        sld.w   28[ep],r22
        sld.w   32[ep],r21
        sld.w   36[ep],r20
        sld.w   40[ep],r2
        addi    44,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        ld.w    24[sp],r23
        ld.w    28[sp],r22
        ld.w    32[sp],r21
        ld.w    36[sp],r20
        ld.w    40[sp],r2
        addi    44,sp,sp
#endif
        jmp     [r31]
        .size   __return_r2_r29,.-__return_r2_r29
#endif /* L_save_2 */

#ifdef  L_save_20
        .text
        .align  2
        .globl  __save_r20_r29
        .type   __save_r20_r29,@function
        /* Allocate space and save registers 20 .. 29 on the stack.  */
        /* Called via:  jalr __save_r20_r29,r10.  */
__save_r20_r29:
#ifdef __EP__
        mov     ep,r1
        addi    -40,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r23,24[ep]
        sst.w   r22,28[ep]
        sst.w   r21,32[ep]
        sst.w   r20,36[ep]
        mov     r1,ep
#else
        addi    -40,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r23,24[sp]
        st.w    r22,28[sp]
        st.w    r21,32[sp]
        st.w    r20,36[sp]
#endif
        jmp     [r10]
        .size   __save_r20_r29,.-__save_r20_r29

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r20_r29.  */
        .align  2
        .globl  __return_r20_r29
        .type   __return_r20_r29,@function
__return_r20_r29:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r23
        sld.w   28[ep],r22
        sld.w   32[ep],r21
        sld.w   36[ep],r20
        addi    40,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        ld.w    24[sp],r23
        ld.w    28[sp],r22
        ld.w    32[sp],r21
        ld.w    36[sp],r20
        addi    40,sp,sp
#endif
        jmp     [r31]
        .size   __return_r20_r29,.-__return_r20_r29
#endif /* L_save_20 */

#ifdef  L_save_21
        .text
        .align  2
        .globl  __save_r21_r29
        .type   __save_r21_r29,@function
        /* Allocate space and save registers 21 .. 29 on the stack.  */
        /* Called via:  jalr __save_r21_r29,r10.  */
__save_r21_r29:
#ifdef __EP__
        mov     ep,r1
        addi    -36,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r23,24[ep]
        sst.w   r22,28[ep]
        sst.w   r21,32[ep]
        mov     r1,ep
#else
        addi    -36,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r23,24[sp]
        st.w    r22,28[sp]
        st.w    r21,32[sp]
#endif
        jmp     [r10]
        .size   __save_r21_r29,.-__save_r21_r29

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r21_r29.  */
        .align  2
        .globl  __return_r21_r29
        .type   __return_r21_r29,@function
__return_r21_r29:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r23
        sld.w   28[ep],r22
        sld.w   32[ep],r21
        addi    36,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        ld.w    24[sp],r23
        ld.w    28[sp],r22
        ld.w    32[sp],r21
        addi    36,sp,sp
#endif
        jmp     [r31]
        .size   __return_r21_r29,.-__return_r21_r29
#endif /* L_save_21 */

#ifdef  L_save_22
        .text
        .align  2
        .globl  __save_r22_r29
        .type   __save_r22_r29,@function
        /* Allocate space and save registers 22 .. 29 on the stack.  */
        /* Called via:  jalr __save_r22_r29,r10.  */
__save_r22_r29:
#ifdef __EP__
        mov     ep,r1
        addi    -32,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r23,24[ep]
        sst.w   r22,28[ep]
        mov     r1,ep
#else
        addi    -32,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r23,24[sp]
        st.w    r22,28[sp]
#endif
        jmp     [r10]
        .size   __save_r22_r29,.-__save_r22_r29

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r22_r29.  */
        .align  2
        .globl  __return_r22_r29
        .type   __return_r22_r29,@function
__return_r22_r29:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r23
        sld.w   28[ep],r22
        addi    32,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        ld.w    24[sp],r23
        ld.w    28[sp],r22
        addi    32,sp,sp
#endif
        jmp     [r31]
        .size   __return_r22_r29,.-__return_r22_r29
#endif /* L_save_22 */

#ifdef  L_save_23
        .text
        .align  2
        .globl  __save_r23_r29
        .type   __save_r23_r29,@function
        /* Allocate space and save registers 23 .. 29 on the stack.  */
        /* Called via:  jalr __save_r23_r29,r10.  */
__save_r23_r29:
#ifdef __EP__
        mov     ep,r1
        addi    -28,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r23,24[ep]
        mov     r1,ep
#else
        addi    -28,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r23,24[sp]
#endif
        jmp     [r10]
        .size   __save_r23_r29,.-__save_r23_r29

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r23_r29.  */
        .align  2
        .globl  __return_r23_r29
        .type   __return_r23_r29,@function
__return_r23_r29:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r23
        addi    28,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        ld.w    24[sp],r23
        addi    28,sp,sp
#endif
        jmp     [r31]
        .size   __return_r23_r29,.-__return_r23_r29
#endif /* L_save_23 */

#ifdef  L_save_24
        .text
        .align  2
        .globl  __save_r24_r29
        .type   __save_r24_r29,@function
        /* Allocate space and save registers 24 .. 29 on the stack.  */
        /* Called via:  jalr __save_r24_r29,r10.  */
__save_r24_r29:
#ifdef __EP__
        mov     ep,r1
        addi    -24,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        mov     r1,ep
#else
        addi    -24,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
#endif
        jmp     [r10]
        .size   __save_r24_r29,.-__save_r24_r29

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r24_r29.  */
        .align  2
        .globl  __return_r24_r29
        .type   __return_r24_r29,@function
__return_r24_r29:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        addi    24,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        addi    24,sp,sp
#endif
        jmp     [r31]
        .size   __return_r24_r29,.-__return_r24_r29
#endif /* L_save_24 */

#ifdef  L_save_25
        .text
        .align  2
        .globl  __save_r25_r29
        .type   __save_r25_r29,@function
        /* Allocate space and save registers 25 .. 29 on the stack.  */
        /* Called via:  jalr __save_r25_r29,r10.  */
__save_r25_r29:
#ifdef __EP__
        mov     ep,r1
        addi    -20,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        mov     r1,ep
#else
        addi    -20,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
#endif
        jmp     [r10]
        .size   __save_r25_r29,.-__save_r25_r29

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r25_r29.  */
        .align  2
        .globl  __return_r25_r29
        .type   __return_r25_r29,@function
__return_r25_r29:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        addi    20,sp,sp
        mov     r1,ep
#else
        ld.w    0[ep],r29
        ld.w    4[ep],r28
        ld.w    8[ep],r27
        ld.w    12[ep],r26
        ld.w    16[ep],r25
        addi    20,sp,sp
#endif
        jmp     [r31]
        .size   __return_r25_r29,.-__return_r25_r29
#endif /* L_save_25 */

#ifdef  L_save_26
        .text
        .align  2
        .globl  __save_r26_r29
        .type   __save_r26_r29,@function
        /* Allocate space and save registers 26 .. 29 on the stack.  */
        /* Called via:  jalr __save_r26_r29,r10.  */
__save_r26_r29:
#ifdef __EP__
        mov     ep,r1
        add     -16,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        mov     r1,ep
#else
        add     -16,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
#endif
        jmp     [r10]
        .size   __save_r26_r29,.-__save_r26_r29

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r26_r29.  */
        .align  2
        .globl  __return_r26_r29
        .type   __return_r26_r29,@function
__return_r26_r29:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        addi    16,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        addi    16,sp,sp
#endif
        jmp     [r31]
        .size   __return_r26_r29,.-__return_r26_r29
#endif /* L_save_26 */

#ifdef  L_save_27
        .text
        .align  2
        .globl  __save_r27_r29
        .type   __save_r27_r29,@function
        /* Allocate space and save registers 27 .. 29 on the stack.  */
        /* Called via:  jalr __save_r27_r29,r10.  */
__save_r27_r29:
        add     -12,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        jmp     [r10]
        .size   __save_r27_r29,.-__save_r27_r29

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r27_r29.  */
        .align  2
        .globl  __return_r27_r29
        .type   __return_r27_r29,@function
__return_r27_r29:
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        add     12,sp
        jmp     [r31]
        .size   __return_r27_r29,.-__return_r27_r29
#endif /* L_save_27 */

#ifdef  L_save_28
        .text
        .align  2
        .globl  __save_r28_r29
        .type   __save_r28_r29,@function
        /* Allocate space and save registers 28,29 on the stack.  */
        /* Called via:  jalr __save_r28_r29,r10.  */
__save_r28_r29:
        add     -8,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        jmp     [r10]
        .size   __save_r28_r29,.-__save_r28_r29

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r28_r29.  */
        .align  2
        .globl  __return_r28_r29
        .type   __return_r28_r29,@function
__return_r28_r29:
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        add     8,sp
        jmp     [r31]
        .size   __return_r28_r29,.-__return_r28_r29
#endif /* L_save_28 */

#ifdef  L_save_29
        .text
        .align  2
        .globl  __save_r29
        .type   __save_r29,@function
        /* Allocate space and save register 29 on the stack.  */
        /* Called via:  jalr __save_r29,r10.  */
__save_r29:
        add     -4,sp
        st.w    r29,0[sp]
        jmp     [r10]
        .size   __save_r29,.-__save_r29

        /* Restore saved register 29, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r29.  */
        .align  2
        .globl  __return_r29
        .type   __return_r29,@function
__return_r29:
        ld.w    0[sp],r29
        add     4,sp
        jmp     [r31]
        .size   __return_r29,.-__return_r29
#endif /* L_save_28 */

#ifdef  L_save_2c
        .text
        .align  2
        .globl  __save_r2_r31
        .type   __save_r2_r31,@function
        /* Allocate space and save registers 20 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r2_r31,r10.  */
__save_r2_r31:
#ifdef __EP__
        mov     ep,r1
        addi    -48,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r23,24[ep]
        sst.w   r22,28[ep]
        sst.w   r21,32[ep]
        sst.w   r20,36[ep]
        sst.w   r2,40[ep]
        sst.w   r31,44[ep]
        mov     r1,ep
#else
        addi    -48,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r23,24[sp]
        st.w    r22,28[sp]
        st.w    r21,32[sp]
        st.w    r20,36[sp]
        st.w    r2,40[sp]
        st.w    r31,44[sp]
#endif
        jmp     [r10]
        .size   __save_r2_r31,.-__save_r2_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r20_r31.  */
        .align  2
        .globl  __return_r2_r31
        .type   __return_r2_r31,@function
__return_r2_r31:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r23
        sld.w   28[ep],r22
        sld.w   32[ep],r21
        sld.w   36[ep],r20
        sld.w   40[ep],r2
        sld.w   44[ep],r31
        addi    48,sp,sp
        mov     r1,ep
#else
        ld.w    44[sp],r29
        ld.w    40[sp],r28
        ld.w    36[sp],r27
        ld.w    32[sp],r26
        ld.w    28[sp],r25
        ld.w    24[sp],r24
        ld.w    20[sp],r23
        ld.w    16[sp],r22
        ld.w    12[sp],r21
        ld.w    8[sp],r20
        ld.w    4[sp],r2
        ld.w    0[sp],r31
        addi    48,sp,sp
#endif
        jmp     [r31]
        .size   __return_r2_r31,.-__return_r2_r31
#endif /* L_save_2c */

#ifdef  L_save_20c
        .text
        .align  2
        .globl  __save_r20_r31
        .type   __save_r20_r31,@function
        /* Allocate space and save registers 20 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r20_r31,r10.  */
__save_r20_r31:
#ifdef __EP__
        mov     ep,r1
        addi    -44,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r23,24[ep]
        sst.w   r22,28[ep]
        sst.w   r21,32[ep]
        sst.w   r20,36[ep]
        sst.w   r31,40[ep]
        mov     r1,ep
#else
        addi    -44,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r23,24[sp]
        st.w    r22,28[sp]
        st.w    r21,32[sp]
        st.w    r20,36[sp]
        st.w    r31,40[sp]
#endif
        jmp     [r10]
        .size   __save_r20_r31,.-__save_r20_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r20_r31.  */
        .align  2
        .globl  __return_r20_r31
        .type   __return_r20_r31,@function
__return_r20_r31:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r23
        sld.w   28[ep],r22
        sld.w   32[ep],r21
        sld.w   36[ep],r20
        sld.w   40[ep],r31
        addi    44,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        ld.w    24[sp],r23
        ld.w    28[sp],r22
        ld.w    32[sp],r21
        ld.w    36[sp],r20
        ld.w    40[sp],r31
        addi    44,sp,sp
#endif
        jmp     [r31]
        .size   __return_r20_r31,.-__return_r20_r31
#endif /* L_save_20c */

#ifdef  L_save_21c
        .text
        .align  2
        .globl  __save_r21_r31
        .type   __save_r21_r31,@function
        /* Allocate space and save registers 21 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r21_r31,r10.  */
__save_r21_r31:
#ifdef __EP__   
        mov     ep,r1
        addi    -40,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r23,24[ep]
        sst.w   r22,28[ep]
        sst.w   r21,32[ep]
        sst.w   r31,36[ep]
        mov     r1,ep
        jmp     [r10]
#else   
        addi    -40,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r23,24[sp]
        st.w    r22,28[sp]
        st.w    r21,32[sp]
        st.w    r31,36[sp]
        jmp     [r10]
#endif  
        .size   __save_r21_r31,.-__save_r21_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r21_r31.  */
        .align  2
        .globl  __return_r21_r31
        .type   __return_r21_r31,@function
__return_r21_r31:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r23
        sld.w   28[ep],r22
        sld.w   32[ep],r21
        sld.w   36[ep],r31
        addi    40,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        ld.w    24[sp],r23
        ld.w    28[sp],r22
        ld.w    32[sp],r21
        ld.w    36[sp],r31
        addi    40,sp,sp
#endif
        jmp     [r31]
        .size   __return_r21_r31,.-__return_r21_r31
#endif /* L_save_21c */

#ifdef  L_save_22c
        .text
        .align  2
        .globl  __save_r22_r31
        .type   __save_r22_r31,@function
        /* Allocate space and save registers 22 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r22_r31,r10.  */
__save_r22_r31:
#ifdef __EP__
        mov     ep,r1
        addi    -36,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r23,24[ep]
        sst.w   r22,28[ep]
        sst.w   r31,32[ep]
        mov     r1,ep
#else
        addi    -36,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r23,24[sp]
        st.w    r22,28[sp]
        st.w    r31,32[sp]
#endif
        jmp     [r10]
        .size   __save_r22_r31,.-__save_r22_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r22_r31.  */
        .align  2
        .globl  __return_r22_r31
        .type   __return_r22_r31,@function
__return_r22_r31:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r23
        sld.w   28[ep],r22
        sld.w   32[ep],r31
        addi    36,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        ld.w    24[sp],r23
        ld.w    28[sp],r22
        ld.w    32[sp],r31
        addi    36,sp,sp
#endif
        jmp     [r31]
        .size   __return_r22_r31,.-__return_r22_r31
#endif /* L_save_22c */

#ifdef  L_save_23c
        .text
        .align  2
        .globl  __save_r23_r31
        .type   __save_r23_r31,@function
        /* Allocate space and save registers 23 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r23_r31,r10.  */
__save_r23_r31:
#ifdef __EP__
        mov     ep,r1
        addi    -32,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r23,24[ep]
        sst.w   r31,28[ep]
        mov     r1,ep
#else
        addi    -32,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r23,24[sp]
        st.w    r31,28[sp]
#endif
        jmp     [r10]
        .size   __save_r23_r31,.-__save_r23_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r23_r31.  */
        .align  2
        .globl  __return_r23_r31
        .type   __return_r23_r31,@function
__return_r23_r31:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r23
        sld.w   28[ep],r31
        addi    32,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        ld.w    24[sp],r23
        ld.w    28[sp],r31
        addi    32,sp,sp
#endif
        jmp     [r31]
        .size   __return_r23_r31,.-__return_r23_r31
#endif /* L_save_23c */

#ifdef  L_save_24c
        .text
        .align  2
        .globl  __save_r24_r31
        .type   __save_r24_r31,@function
        /* Allocate space and save registers 24 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r24_r31,r10.  */
__save_r24_r31:
#ifdef __EP__
        mov     ep,r1
        addi    -28,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r24,20[ep]
        sst.w   r31,24[ep]
        mov     r1,ep
#else
        addi    -28,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r24,20[sp]
        st.w    r31,24[sp]
#endif
        jmp     [r10]
        .size   __save_r24_r31,.-__save_r24_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r24_r31.  */
        .align  2
        .globl  __return_r24_r31
        .type   __return_r24_r31,@function
__return_r24_r31:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r24
        sld.w   24[ep],r31
        addi    28,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r24
        ld.w    24[sp],r31
        addi    28,sp,sp
#endif
        jmp     [r31]
        .size   __return_r24_r31,.-__return_r24_r31
#endif /* L_save_24c */

#ifdef  L_save_25c
        .text
        .align  2
        .globl  __save_r25_r31
        .type   __save_r25_r31,@function
        /* Allocate space and save registers 25 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r25_r31,r10.  */
__save_r25_r31:
#ifdef __EP__
        mov     ep,r1
        addi    -24,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r25,16[ep]
        sst.w   r31,20[ep]
        mov     r1,ep
#else
        addi    -24,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r25,16[sp]
        st.w    r31,20[sp]
#endif
        jmp     [r10]
        .size   __save_r25_r31,.-__save_r25_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r25_r31.  */
        .align  2
        .globl  __return_r25_r31
        .type   __return_r25_r31,@function
__return_r25_r31:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r25
        sld.w   20[ep],r31
        addi    24,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r25
        ld.w    20[sp],r31
        addi    24,sp,sp
#endif
        jmp     [r31]
        .size   __return_r25_r31,.-__return_r25_r31
#endif /* L_save_25c */

#ifdef  L_save_26c
        .text
        .align  2
        .globl  __save_r26_r31
        .type   __save_r26_r31,@function
        /* Allocate space and save registers 26 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r26_r31,r10.  */
__save_r26_r31:
#ifdef __EP__
        mov     ep,r1
        addi    -20,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r26,12[ep]
        sst.w   r31,16[ep]
        mov     r1,ep
#else
        addi    -20,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r26,12[sp]
        st.w    r31,16[sp]
#endif
        jmp     [r10]
        .size   __save_r26_r31,.-__save_r26_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r26_r31.  */
        .align  2
        .globl  __return_r26_r31
        .type   __return_r26_r31,@function
__return_r26_r31:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r26
        sld.w   16[ep],r31
        addi    20,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r26
        ld.w    16[sp],r31
        addi    20,sp,sp
#endif
        jmp     [r31]
        .size   __return_r26_r31,.-__return_r26_r31
#endif /* L_save_26c */

#ifdef  L_save_27c
        .text
        .align  2
        .globl  __save_r27_r31
        .type   __save_r27_r31,@function
        /* Allocate space and save registers 27 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r27_r31,r10.  */
__save_r27_r31:
#ifdef __EP__
        mov     ep,r1
        addi    -16,sp,sp
        mov     sp,ep
        sst.w   r29,0[ep]
        sst.w   r28,4[ep]
        sst.w   r27,8[ep]
        sst.w   r31,12[ep]
        mov     r1,ep
#else
        addi    -16,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r27,8[sp]
        st.w    r31,12[sp]
#endif
        jmp     [r10]
        .size   __save_r27_r31,.-__save_r27_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r27_r31.  */
        .align  2
        .globl  __return_r27_r31
        .type   __return_r27_r31,@function
__return_r27_r31:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   0[ep],r29
        sld.w   4[ep],r28
        sld.w   8[ep],r27
        sld.w   12[ep],r31
        addi    16,sp,sp
        mov     r1,ep
#else
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r27
        ld.w    12[sp],r31
        addi    16,sp,sp
#endif
        jmp     [r31]
        .size   __return_r27_r31,.-__return_r27_r31
#endif /* L_save_27c */

#ifdef  L_save_28c
        .text
        .align  2
        .globl  __save_r28_r31
        .type   __save_r28_r31,@function
        /* Allocate space and save registers 28 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r28_r31,r10.  */
__save_r28_r31:
        addi    -12,sp,sp
        st.w    r29,0[sp]
        st.w    r28,4[sp]
        st.w    r31,8[sp]
        jmp     [r10]
        .size   __save_r28_r31,.-__save_r28_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r28_r31.  */
        .align  2
        .globl  __return_r28_r31
        .type   __return_r28_r31,@function
__return_r28_r31:
        ld.w    0[sp],r29
        ld.w    4[sp],r28
        ld.w    8[sp],r31
        addi    12,sp,sp
        jmp     [r31]
        .size   __return_r28_r31,.-__return_r28_r31
#endif /* L_save_28c */

#ifdef  L_save_29c
        .text
        .align  2
        .globl  __save_r29_r31
        .type   __save_r29_r31,@function
        /* Allocate space and save registers 29 & 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r29_r31,r10.  */
__save_r29_r31:
        addi    -8,sp,sp
        st.w    r29,0[sp]
        st.w    r31,4[sp]
        jmp     [r10]
        .size   __save_r29_r31,.-__save_r29_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r29_r31.  */
        .align  2
        .globl  __return_r29_r31
        .type   __return_r29_r31,@function
__return_r29_r31:
        ld.w    0[sp],r29
        ld.w    4[sp],r31
        addi    8,sp,sp
        jmp     [r31]
        .size   __return_r29_r31,.-__return_r29_r31
#endif /* L_save_29c */

#ifdef  L_save_31c
        .text
        .align  2
        .globl  __save_r31
        .type   __save_r31,@function
        /* Allocate space and save register 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  jalr __save_r31,r10.  */
__save_r31:
        addi    -4,sp,sp
        st.w    r31,0[sp]
        jmp     [r10]
        .size   __save_r31,.-__save_r31

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  jr __return_r31.  */
        .align  2
        .globl  __return_r31
        .type   __return_r31,@function
__return_r31:
        ld.w    0[sp],r31
        addi    4,sp,sp
        jmp     [r31]
        .size   __return_r31,.-__return_r31
#endif /* L_save_31c */

#ifdef  L_save_interrupt
        .text
        .align  2
        .globl  __save_interrupt
        .type   __save_interrupt,@function
        /* Save registers r1, r4 on stack and load up with expected values.  */
        /* Note, 20 bytes of stack have already been allocated.  */
        /* Called via:  jalr __save_interrupt,r10.  */
__save_interrupt:
       /* add -20,sp ; st.w r11,16[sp] ; st.w r10,12[sp] ; */
        st.w    ep,0[sp]
        st.w    gp,4[sp]
        st.w    r1,8[sp]
        movhi   hi(__ep),r0,ep
        movea   lo(__ep),ep,ep
        movhi   hi(__gp),r0,gp
        movea   lo(__gp),gp,gp
        jmp     [r10]
        .size   __save_interrupt,.-__save_interrupt

        /* Restore saved registers, deallocate stack and return from the interrupt.  */
        /* Called via:  jr __return_interrupt.  */
        .align  2
        .globl  __return_interrupt
        .type   __return_interrupt,@function
__return_interrupt:
        ld.w    0[sp],ep
        ld.w    4[sp],gp
        ld.w    8[sp],r1
        ld.w    12[sp],r10
        ld.w    16[sp],r11
        addi    20,sp,sp
        reti
        .size   __return_interrupt,.-__return_interrupt
#endif /* L_save_interrupt */

#ifdef L_save_all_interrupt
        .text
        .align  2
        .globl  __save_all_interrupt
        .type   __save_all_interrupt,@function
        /* Save all registers except for those saved in __save_interrupt.  */
        /* Allocate enough stack for all of the registers & 16 bytes of space.  */
        /* Called via:  jalr __save_all_interrupt,r10.  */
__save_all_interrupt:
        addi    -104,sp,sp
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sst.w   r31,100[ep]
        sst.w   r2,96[ep]
        sst.w   gp,92[ep]
        sst.w   r6,88[ep]
        sst.w   r7,84[ep]
        sst.w   r8,80[ep]
        sst.w   r9,76[ep]
        sst.w   r11,72[ep]
        sst.w   r12,68[ep]
        sst.w   r13,64[ep]
        sst.w   r14,60[ep]
        sst.w   r15,56[ep]
        sst.w   r16,52[ep]
        sst.w   r17,48[ep]
        sst.w   r18,44[ep]
        sst.w   r19,40[ep]
        sst.w   r20,36[ep]
        sst.w   r21,32[ep]
        sst.w   r22,28[ep]
        sst.w   r23,24[ep]
        sst.w   r24,20[ep]
        sst.w   r25,16[ep]
        sst.w   r26,12[ep]
        sst.w   r27,8[ep]
        sst.w   r28,4[ep]
        sst.w   r29,0[ep]
        mov     r1,ep
#else
        st.w    r31,100[sp]
        st.w    r2,96[sp]
        st.w    gp,92[sp]
        st.w    r6,88[sp]
        st.w    r7,84[sp]
        st.w    r8,80[sp]
        st.w    r9,76[sp]
        st.w    r11,72[sp]
        st.w    r12,68[sp]
        st.w    r13,64[sp]
        st.w    r14,60[sp]
        st.w    r15,56[sp]
        st.w    r16,52[sp]
        st.w    r17,48[sp]
        st.w    r18,44[sp]
        st.w    r19,40[sp]
        st.w    r20,36[sp]
        st.w    r21,32[sp]
        st.w    r22,28[sp]
        st.w    r23,24[sp]
        st.w    r24,20[sp]
        st.w    r25,16[sp]
        st.w    r26,12[sp]
        st.w    r27,8[sp]
        st.w    r28,4[sp]
        st.w    r29,0[sp]
#endif
        jmp     [r10]
        .size   __save_all_interrupt,.-__save_all_interrupt

        .globl  __restore_all_interrupt
        .type   __restore_all_interrupt,@function
        /* Restore all registers saved in __save_all_interrupt and
           deallocate the stack space.  */
        /* Called via:  jalr __restore_all_interrupt,r10.  */
__restore_all_interrupt:
#ifdef __EP__
        mov     ep,r1
        mov     sp,ep
        sld.w   100[ep],r31
        sld.w   96[ep],r2
        sld.w   92[ep],gp
        sld.w   88[ep],r6
        sld.w   84[ep],r7
        sld.w   80[ep],r8
        sld.w   76[ep],r9
        sld.w   72[ep],r11
        sld.w   68[ep],r12
        sld.w   64[ep],r13
        sld.w   60[ep],r14
        sld.w   56[ep],r15
        sld.w   52[ep],r16
        sld.w   48[ep],r17
        sld.w   44[ep],r18
        sld.w   40[ep],r19
        sld.w   36[ep],r20
        sld.w   32[ep],r21
        sld.w   28[ep],r22
        sld.w   24[ep],r23
        sld.w   20[ep],r24
        sld.w   16[ep],r25
        sld.w   12[ep],r26
        sld.w   8[ep],r27
        sld.w   4[ep],r28
        sld.w   0[ep],r29
        mov     r1,ep
#else
        ld.w    100[sp],r31
        ld.w    96[sp],r2
        ld.w    92[sp],gp
        ld.w    88[sp],r6
        ld.w    84[sp],r7
        ld.w    80[sp],r8
        ld.w    76[sp],r9
        ld.w    72[sp],r11
        ld.w    68[sp],r12
        ld.w    64[sp],r13
        ld.w    60[sp],r14
        ld.w    56[sp],r15
        ld.w    52[sp],r16
        ld.w    48[sp],r17
        ld.w    44[sp],r18
        ld.w    40[sp],r19
        ld.w    36[sp],r20
        ld.w    32[sp],r21
        ld.w    28[sp],r22
        ld.w    24[sp],r23
        ld.w    20[sp],r24
        ld.w    16[sp],r25
        ld.w    12[sp],r26
        ld.w    8[sp],r27
        ld.w    4[sp],r28
        ld.w    0[sp],r29
#endif
        addi    104,sp,sp       
        jmp     [r10]
        .size   __restore_all_interrupt,.-__restore_all_interrupt
#endif /* L_save_all_interrupt */
        
#if defined(__v850e__) || defined(__v850e1__) || defined(__v850e2__) || defined(__v850e2v3__)
#ifdef  L_callt_save_r2_r29
        /* Put these functions into the call table area.  */
        .call_table_text
        
        /* Allocate space and save registers 2, 20 .. 29 on the stack.  */
        /* Called via:  callt ctoff(__callt_save_r2_r29).  */
        .align  2
.L_save_r2_r29:
        add     -4, sp
        st.w    r2, 0[sp]
        prepare {r20 - r29}, 0
        ctret

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  callt ctoff(__callt_return_r2_r29).  */
        .align  2
.L_return_r2_r29:
        dispose 0, {r20-r29}
        ld.w    0[sp], r2
        add     4, sp
        jmp     [r31]

        /* Place the offsets of the start of these routines into the call table.  */
        .call_table_data

        .global __callt_save_r2_r29
        .type   __callt_save_r2_r29,@function
__callt_save_r2_r29:    .short ctoff(.L_save_r2_r29)
        
        .global __callt_return_r2_r29
        .type   __callt_return_r2_r29,@function
__callt_return_r2_r29:  .short ctoff(.L_return_r2_r29)
        
#endif /* L_callt_save_r2_r29.  */

#ifdef  L_callt_save_r2_r31
        /* Put these functions into the call table area.  */
        .call_table_text
        
        /* Allocate space and save registers 2 and 20 .. 29, 31 on the stack.  */
        /* Also allocate space for the argument save area.  */
        /* Called via:  callt ctoff(__callt_save_r2_r31).  */
        .align  2
.L_save_r2_r31:
        add     -4, sp
        st.w    r2, 0[sp]
        prepare {r20 - r29, r31}, 0
        ctret

        /* Restore saved registers, deallocate stack and return to the user.  */
        /* Called via:  callt ctoff(__callt_return_r2_r31).  */
        .align  2
.L_return_r2_r31:
        dispose 0, {r20 - r29, r31}
        ld.w    0[sp], r2
        addi    4, sp, sp
        jmp     [r31]

        /* Place the offsets of the start of these routines into the call table.  */
        .call_table_data

        .global __callt_save_r2_r31
        .type   __callt_save_r2_r31,@function
__callt_save_r2_r31:    .short ctoff(.L_save_r2_r31)
        
        .global __callt_return_r2_r31
        .type   __callt_return_r2_r31,@function
__callt_return_r2_r31:  .short ctoff(.L_return_r2_r31)
        
#endif /* L_callt_save_r2_r31 */

#ifdef  L_callt_save_interrupt
        /* Put these functions into the call table area.  */
        .call_table_text
        
        /* Save registers r1, ep, gp, r10 on stack and load up with expected values.  */
        /* Called via:  callt ctoff(__callt_save_interrupt).  */
        .align  2
.L_save_interrupt:
        /* SP has already been moved before callt ctoff(_save_interrupt).  */
        /* R1,R10,R11,ctpc,ctpsw has alread been saved bofore callt ctoff(_save_interrupt).  */
        /* addi -28, sp, sp  */
        /* st.w r1,    24[sp] */
        /* st.w r10,   12[sp] */
        /* st.w r11,   16[sp] */
        /* stsr ctpc,  r10    */
        /* st.w r10,   20[sp] */
        /* stsr ctpsw, r10    */
        /* st.w r10,   24[sp] */
        st.w    ep,  0[sp]
        st.w    gp,  4[sp]
        st.w    r1,  8[sp]
        mov     hilo(__ep),ep
        mov     hilo(__gp),gp
        ctret

        .call_table_text
        /* Restore saved registers, deallocate stack and return from the interrupt.  */
        /* Called via:  callt ctoff(__callt_restore_interrupt).  */
        .align  2
        .globl  __return_interrupt
        .type   __return_interrupt,@function
.L_return_interrupt:
        ld.w    24[sp], r1
        ldsr    r1,     ctpsw
        ld.w    20[sp], r1
        ldsr    r1,     ctpc
        ld.w    16[sp], r11
        ld.w    12[sp], r10
        ld.w     8[sp], r1
        ld.w     4[sp], gp
        ld.w     0[sp], ep
        addi    28, sp, sp
        reti

        /* Place the offsets of the start of these routines into the call table.  */
        .call_table_data

        .global __callt_save_interrupt
        .type   __callt_save_interrupt,@function
__callt_save_interrupt:         .short ctoff(.L_save_interrupt)

        .global __callt_return_interrupt
        .type   __callt_return_interrupt,@function
__callt_return_interrupt:       .short ctoff(.L_return_interrupt)
        
#endif /* L_callt_save_interrupt */

#ifdef L_callt_save_all_interrupt
        /* Put these functions into the call table area.  */
        .call_table_text
        
        /* Save all registers except for those saved in __save_interrupt.  */
        /* Allocate enough stack for all of the registers & 16 bytes of space.  */
        /* Called via:  callt ctoff(__callt_save_all_interrupt).  */
        .align  2
.L_save_all_interrupt:
        addi    -60, sp, sp
#ifdef __EP__
        mov     ep,  r1
        mov     sp,  ep
        sst.w   r2,  56[ep]
        sst.w   r5,  52[ep]
        sst.w   r6,  48[ep]
        sst.w   r7,  44[ep]
        sst.w   r8,  40[ep]
        sst.w   r9,  36[ep]
        sst.w   r11, 32[ep]
        sst.w   r12, 28[ep]
        sst.w   r13, 24[ep]
        sst.w   r14, 20[ep]
        sst.w   r15, 16[ep]
        sst.w   r16, 12[ep]
        sst.w   r17, 8[ep]
        sst.w   r18, 4[ep]
        sst.w   r19, 0[ep]
        mov     r1,  ep
#else
        st.w    r2,  56[sp]
        st.w    r5,  52[sp]
        st.w    r6,  48[sp]
        st.w    r7,  44[sp]
        st.w    r8,  40[sp]
        st.w    r9,  36[sp]
        st.w    r11, 32[sp]
        st.w    r12, 28[sp]
        st.w    r13, 24[sp]
        st.w    r14, 20[sp]
        st.w    r15, 16[sp]
        st.w    r16, 12[sp]
        st.w    r17, 8[sp]
        st.w    r18, 4[sp]
        st.w    r19, 0[sp]
#endif
        prepare {r20 - r29, r31}, 0
        ctret   

        /* Restore all registers saved in __save_all_interrupt
           deallocate the stack space.  */
        /* Called via:  callt ctoff(__callt_restore_all_interrupt).  */
        .align 2
.L_restore_all_interrupt:
        dispose 0, {r20 - r29, r31}
#ifdef __EP__
        mov     ep, r1
        mov     sp, ep
        sld.w   0 [ep], r19
        sld.w   4 [ep], r18
        sld.w   8 [ep], r17
        sld.w   12[ep], r16
        sld.w   16[ep], r15
        sld.w   20[ep], r14
        sld.w   24[ep], r13
        sld.w   28[ep], r12
        sld.w   32[ep], r11
        sld.w   36[ep], r9
        sld.w   40[ep], r8
        sld.w   44[ep], r7
        sld.w   48[ep], r6
        sld.w   52[ep], r5
        sld.w   56[ep], r2
        mov     r1, ep
#else
        ld.w    0 [sp], r19
        ld.w    4 [sp], r18
        ld.w    8 [sp], r17
        ld.w    12[sp], r16
        ld.w    16[sp], r15
        ld.w    20[sp], r14
        ld.w    24[sp], r13
        ld.w    28[sp], r12
        ld.w    32[sp], r11
        ld.w    36[sp], r9
        ld.w    40[sp], r8
        ld.w    44[sp], r7
        ld.w    48[sp], r6
        ld.w    52[sp], r5
        ld.w    56[sp], r2
#endif
        addi    60, sp, sp
        ctret

        /* Place the offsets of the start of these routines into the call table.  */
        .call_table_data

        .global __callt_save_all_interrupt
        .type   __callt_save_all_interrupt,@function
__callt_save_all_interrupt:     .short ctoff(.L_save_all_interrupt)
        
        .global __callt_restore_all_interrupt
        .type   __callt_restore_all_interrupt,@function
__callt_restore_all_interrupt:  .short ctoff(.L_restore_all_interrupt)
        
#endif /* L_callt_save_all_interrupt */


#define MAKE_CALLT_FUNCS( START )                                               \
        .call_table_text                                                        ;\
        .align  2                                                               ;\
        /* Allocate space and save registers START .. r29 on the stack.  */     ;\
        /* Called via:  callt ctoff(__callt_save_START_r29).  */                ;\
.L_save_##START##_r29:                                                          ;\
        prepare { START - r29 }, 0                                              ;\
        ctret                                                                   ;\
                                                                                ;\
        /* Restore saved registers, deallocate stack and return.  */            ;\
        /* Called via:  callt ctoff(__return_START_r29).  */                    ;\
        .align  2                                                               ;\
.L_return_##START##_r29:                                                        ;\
        dispose 0, { START - r29 }, r31                                         ;\
                                                                                ;\
        /* Place the offsets of the start of these funcs into the call table.  */;\
        .call_table_data                                                        ;\
                                                                                ;\
        .global __callt_save_##START##_r29                                      ;\
        .type   __callt_save_##START##_r29,@function                            ;\
__callt_save_##START##_r29:     .short ctoff(.L_save_##START##_r29 )            ;\
                                                                                ;\
        .global __callt_return_##START##_r29                                    ;\
        .type   __callt_return_##START##_r29,@function                          ;\
__callt_return_##START##_r29:   .short ctoff(.L_return_##START##_r29 )  


#define MAKE_CALLT_CFUNCS( START )                                              \
        .call_table_text                                                        ;\
        .align  2                                                               ;\
        /* Allocate space and save registers START .. r31 on the stack.  */     ;\
        /* Called via:  callt ctoff(__callt_save_START_r31c).  */               ;\
.L_save_##START##_r31c:                                                         ;\
        prepare { START - r29, r31}, 0                                          ;\
        ctret                                                                   ;\
                                                                                ;\
        /* Restore saved registers, deallocate stack and return.  */            ;\
        /* Called via:  callt ctoff(__return_START_r31c).  */                   ;\
        .align  2                                                               ;\
.L_return_##START##_r31c:                                                       ;\
        dispose 0, { START - r29, r31}, r31                                     ;\
                                                                                ;\
        /* Place the offsets of the start of these funcs into the call table.  */;\
        .call_table_data                                                        ;\
                                                                                ;\
        .global __callt_save_##START##_r31c                                     ;\
        .type   __callt_save_##START##_r31c,@function                           ;\
__callt_save_##START##_r31c:    .short ctoff(.L_save_##START##_r31c )           ;\
                                                                                ;\
        .global __callt_return_##START##_r31c                                   ;\
        .type   __callt_return_##START##_r31c,@function                         ;\
__callt_return_##START##_r31c:  .short ctoff(.L_return_##START##_r31c ) 

        
#ifdef  L_callt_save_20
        MAKE_CALLT_FUNCS (r20)
#endif
#ifdef  L_callt_save_21
        MAKE_CALLT_FUNCS (r21)
#endif
#ifdef  L_callt_save_22
        MAKE_CALLT_FUNCS (r22)
#endif
#ifdef  L_callt_save_23
        MAKE_CALLT_FUNCS (r23)
#endif
#ifdef  L_callt_save_24
        MAKE_CALLT_FUNCS (r24)
#endif
#ifdef  L_callt_save_25
        MAKE_CALLT_FUNCS (r25)
#endif
#ifdef  L_callt_save_26
        MAKE_CALLT_FUNCS (r26)
#endif
#ifdef  L_callt_save_27
        MAKE_CALLT_FUNCS (r27)
#endif
#ifdef  L_callt_save_28
        MAKE_CALLT_FUNCS (r28)
#endif
#ifdef  L_callt_save_29
        MAKE_CALLT_FUNCS (r29)
#endif

#ifdef  L_callt_save_20c
        MAKE_CALLT_CFUNCS (r20)
#endif
#ifdef  L_callt_save_21c
        MAKE_CALLT_CFUNCS (r21)
#endif
#ifdef  L_callt_save_22c
        MAKE_CALLT_CFUNCS (r22)
#endif
#ifdef  L_callt_save_23c
        MAKE_CALLT_CFUNCS (r23)
#endif
#ifdef  L_callt_save_24c
        MAKE_CALLT_CFUNCS (r24)
#endif
#ifdef  L_callt_save_25c
        MAKE_CALLT_CFUNCS (r25)
#endif
#ifdef  L_callt_save_26c
        MAKE_CALLT_CFUNCS (r26)
#endif
#ifdef  L_callt_save_27c
        MAKE_CALLT_CFUNCS (r27)
#endif
#ifdef  L_callt_save_28c
        MAKE_CALLT_CFUNCS (r28)
#endif
#ifdef  L_callt_save_29c
        MAKE_CALLT_CFUNCS (r29)
#endif

        
#ifdef  L_callt_save_31c
        .call_table_text
        .align  2
        /* Allocate space and save register r31 on the stack.  */
        /* Called via:  callt ctoff(__callt_save_r31c).  */
.L_callt_save_r31c:
        prepare {r31}, 0
        ctret

        /* Restore saved registers, deallocate stack and return.  */
        /* Called via:  callt ctoff(__return_r31c).  */
        .align  2
.L_callt_return_r31c:
        dispose 0, {r31}, r31
        
        /* Place the offsets of the start of these funcs into the call table.  */
        .call_table_data

        .global __callt_save_r31c
        .type   __callt_save_r31c,@function
__callt_save_r31c:      .short ctoff(.L_callt_save_r31c)

        .global __callt_return_r31c
        .type   __callt_return_r31c,@function
__callt_return_r31c:    .short ctoff(.L_callt_return_r31c)              
#endif

#endif /* __v850e__ */

/*  libgcc2 routines for NEC V850.  */
/*  Double Integer Arithmetical Operation.  */

#ifdef L_negdi2
        .text
        .global ___negdi2
        .type   ___negdi2, @function
___negdi2:
        not     r6, r10
        add     1,  r10
        setf    l,  r6
        not     r7, r11
        add     r6, r11
        jmp     [lp]

        .size ___negdi2,.-___negdi2
#endif

#ifdef L_cmpdi2
        .text
        .global ___cmpdi2
        .type   ___cmpdi2,@function
___cmpdi2:
        # Signed comparison bitween each high word.
        cmp     r9, r7
        be      .L_cmpdi_cmp_low
        setf    ge, r10
        setf    gt, r6
        add     r6, r10
        jmp     [lp]
.L_cmpdi_cmp_low:
        # Unsigned comparigon bitween each low word.
        cmp     r8, r6
        setf    nl, r10
        setf    h,  r6
        add     r6, r10
        jmp     [lp]    
        .size ___cmpdi2, . - ___cmpdi2  
#endif

#ifdef L_ucmpdi2
        .text
        .global ___ucmpdi2
        .type   ___ucmpdi2,@function
___ucmpdi2:
        cmp     r9, r7  # Check if each high word are same.
        bne     .L_ucmpdi_check_psw
        cmp     r8, r6  # Compare the word.
.L_ucmpdi_check_psw:
        setf    nl, r10 # 
        setf    h,  r6  # 
        add     r6, r10 # Add the result of comparison NL and comparison H.
        jmp     [lp]    
        .size ___ucmpdi2, . - ___ucmpdi2
#endif

#ifdef L_muldi3
        .text
        .global ___muldi3
        .type   ___muldi3,@function
___muldi3:
#ifdef __v850__
        jarl  __save_r26_r31, r10
        addi  16,  sp, sp
        mov   r6,  r28
        shr   15,  r28
        movea lo(32767), r0, r14
        and   r14, r28
        mov   r8,  r10
        shr   15,  r10
        and   r14, r10
        mov   r6,  r19
        shr   30,  r19
        mov   r7,  r12
        shl   2,   r12
        or    r12, r19
        and   r14, r19
        mov   r8,  r13
        shr   30,  r13
        mov   r9,  r12
        shl   2,   r12
        or    r12, r13
        and   r14, r13
        mov   r7,  r11
        shr   13,  r11
        and   r14, r11
        mov   r9,  r31
        shr   13,  r31
        and   r14, r31
        mov   r7,  r29
        shr   28,  r29
        and   r14, r29
        mov   r9,  r12
        shr   28,  r12
        and   r14, r12
        and   r14, r6
        and   r14, r8
        mov   r6,  r14
        mulh  r8,  r14
        mov   r6,  r16
        mulh  r10, r16
        mov   r6,  r18
        mulh  r13, r18
        mov   r6,  r15
        mulh  r31, r15
        mulh  r12, r6
        mov   r28,  r17
        mulh  r10, r17
        add   -16, sp
        mov   r28,  r12
        mulh  r8,  r12
        add   r17, r18
        mov   r28,  r17
        mulh  r31, r17
        add   r12, r16
        mov   r28,  r12
        mulh  r13, r12
        add   r17, r6
        mov   r19, r17
        add   r12, r15
        mov   r19, r12
        mulh  r8,  r12
        mulh  r10, r17
        add   r12, r18
        mov   r19, r12
        mulh  r13, r12
        add   r17, r15
        mov   r11, r13
        mulh  r8,  r13
        add   r12, r6
        mov   r11, r12
        mulh  r10, r12
        add   r13, r15
        mulh  r29, r8
        add   r12, r6
        mov   r16, r13
        shl   15,  r13
        add   r14, r13
        mov   r18, r12
        shl   30,  r12
        mov   r13, r26
        add   r12, r26
        shr   15,  r14
        movhi hi(131071), r0,  r12
        movea lo(131071), r12, r13
        and   r13, r14
        mov   r16, r12
        and   r13, r12
        add   r12, r14
        mov   r18, r12
        shl   15,  r12
        and   r13, r12
        add   r12, r14
        shr   17,  r14
        shr   17,  r16
        add   r14, r16
        shl   13,  r15
        shr   2,   r18
        add   r18, r15
        add   r15, r16
        mov   r16, r27
        add   r8,  r6
        shl   28,  r6
        add   r6,  r27
        mov   r26, r10
        mov   r27, r11
        jr    __return_r26_r31
#else /* defined(__v850e__) */
        /*  (Ahi << 32 + Alo) * (Bhi << 32 + Blo) */
        /*   r7           r6      r9         r8   */
        mov  r8, r10
        mulu r7, r8,  r0                /* Ahi * Blo */
        mulu r6, r9,  r0                /* Alo * Bhi */
        mulu r6, r10, r11               /* Alo * Blo */
        add  r8, r11
        add  r9, r11
        jmp  [r31]
#endif /* defined(__v850e__) */
        .size ___muldi3, . - ___muldi3
#endif
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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgcc/] [config/] [v850/] [lib1funcs.S] - Rev 773
