addsf3vfp.S 989 B

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  1. //===-- addsf3vfp.S - Implement addsf3vfp ---------------------------------===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8. #include "../assembly.h"
  9. //
  10. // extern float __addsf3vfp(float a, float b);
  11. //
  12. // Adds two single precision floating point numbers using the Darwin
  13. // calling convention where single arguments are passsed in GPRs
  14. //
  15. .syntax unified
  16. .p2align 2
  17. DEFINE_COMPILERRT_FUNCTION(__addsf3vfp)
  18. #if defined(COMPILER_RT_ARMHF_TARGET)
  19. vadd.f32 s0, s0, s1
  20. #else
  21. vmov s14, r0 // move first param from r0 into float register
  22. vmov s15, r1 // move second param from r1 into float register
  23. vadd.f32 s14, s14, s15
  24. vmov r0, s14 // move result back to r0
  25. #endif
  26. bx lr
  27. END_COMPILERRT_FUNCTION(__addsf3vfp)
  28. NO_EXEC_STACK_DIRECTIVE