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  1. #include <stdint.h>
  2.  
  3. struct foo { char x[5]; };
  4.  
  5. int copy_foo (struct foo *dst, struct foo *src)
  6. {
  7.     *dst = *src;
  8. }
  9.  
  10.  
  11.  
  12.         .file   "a.c"
  13. __SP_H__ = 0x3e
  14. __SP_L__ = 0x3d
  15. __SREG__ = 0x3f
  16. __RAMPZ__ = 0x3b
  17. __tmp_reg__ = 0
  18. __zero_reg__ = 1
  19.         .text
  20. .global copy_foo
  21.         .type   copy_foo, @function
  22. copy_foo:
  23.         push r28
  24.         push r29
  25.         rcall .
  26.         rcall .
  27.         in r28,__SP_L__
  28.         in r29,__SP_H__
  29. /* prologue: function */
  30. /* frame size = 4 */
  31. /* stack size = 6 */
  32. .L__stack_usage = 6
  33.         std Y+2,r25
  34.         std Y+1,r24
  35.         std Y+4,r23
  36.         std Y+3,r22
  37.         ldd r24,Y+1
  38.         ldd r25,Y+2
  39.         ldd r18,Y+3
  40.         ldd r19,Y+4
  41.         ldi r20,lo8(5)
  42.         movw r30,r18
  43.         movw r26,r24
  44.         0:
  45.         ld r0,Z+
  46.         st X+,r0
  47.         dec r20
  48.         brne 0b
  49. /* epilogue start */
  50.         pop __tmp_reg__
  51.         pop __tmp_reg__
  52.         pop __tmp_reg__
  53.         pop __tmp_reg__
  54.         pop r29
  55.         pop r28
  56.         ret
  57.         .size   copy_foo, .-copy_foo
  58.         .ident  "GCC: (Gentoo 4.8.1 p1.0, pie-0.5.6) 4.8.1"
Not running #stdin #stdout 0s 0KB
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https://ideone.com/focMyT
language:
Text (text 6.10)
created:
10 years ago
visibility:
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