308-gcc-avrtc537.patch

   1 diff -Naurp gcc/config/avr/libgcc.S gcc/config/avr/libgcc.S
   2 --- gcc/config/avr/libgcc.S     2012-05-29 16:32:53.000000000 +0530
   3 +++ gcc/config/avr/libgcc.S     2012-06-04 18:31:55.000000000 +0530
   4 @@ -782,7 +782,26 @@ __tablejump__:
   5  #endif /* defined (L_tablejump) */
   6  #endif
   7
   8 -#if !defined(__AVR_TINY__)
   9 +#if defined(__AVR_TINY__)
  10 +#ifdef L_copy_data
  11 +        .section .init4,"ax",@progbits
  12 +        .global __do_copy_data
  13 +__do_copy_data:
  14 +        ldi     r18, hi8(__data_end)
  15 +        ldi     r26, lo8(__data_start)
  16 +        ldi     r27, hi8(__data_start)
  17 +        ldi     r30, lo8(__data_load_start + __AVR_TINY_PM_BASE_ADDRESS__)
  18 +        ldi     r31, hi8(__data_load_start + __AVR_TINY_PM_BASE_ADDRESS__)
  19 +        rjmp    .L__do_copy_data_start
  20 +.L__do_copy_data_loop:
  21 +        ld      r19, z+
  22 +        st      X+, r19
  23 +.L__do_copy_data_start:
  24 +        cpi     r26, lo8(__data_end)
  25 +        cpc     r27, r18
  26 +        brne    .L__do_copy_data_loop
  27 +#endif
  28 +#else
  29  #ifdef L_copy_data
  30         .section .init4,"ax",@progbits
  31         .global __do_copy_data