ucmpdi2.S 648 B

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * linux/arch/arm/lib/ucmpdi2.S
  4. *
  5. * Author: Nicolas Pitre
  6. * Created: Oct 19, 2005
  7. * Copyright: Monta Vista Software, Inc.
  8. */
  9. #include <linux/linkage.h>
  10. #include <asm/assembler.h>
  11. #ifdef __ARMEB__
  12. #define xh r0
  13. #define xl r1
  14. #define yh r2
  15. #define yl r3
  16. #else
  17. #define xl r0
  18. #define xh r1
  19. #define yl r2
  20. #define yh r3
  21. #endif
  22. ENTRY(__ucmpdi2)
  23. cmp xh, yh
  24. cmpeq xl, yl
  25. movlo r0, #0
  26. moveq r0, #1
  27. movhi r0, #2
  28. ret lr
  29. ENDPROC(__ucmpdi2)
  30. #ifdef CONFIG_AEABI
  31. ENTRY(__aeabi_ulcmp)
  32. cmp xh, yh
  33. cmpeq xl, yl
  34. movlo r0, #-1
  35. moveq r0, #0
  36. movhi r0, #1
  37. ret lr
  38. ENDPROC(__aeabi_ulcmp)
  39. #endif