s_scalbnf.S 1.9 KB

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  1. /*-
  2. * Copyright (c) 2005 David Schultz <[email protected]>
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. *
  14. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24. * SUCH DAMAGE.
  25. */
  26. #include <amd64/bsd_asm.h>
  27. //__FBSDID("$FreeBSD: src/lib/msun/amd64/s_scalbnf.S,v 1.4 2011/01/07 16:13:12 kib Exp $")
  28. ENTRY(scalbnf)
  29. movss %xmm0,-8(%rsp)
  30. #ifndef _WIN64
  31. movl %edi,-4(%rsp)
  32. #else
  33. movl %edx,-4(%rsp)
  34. #endif
  35. fildl -4(%rsp)
  36. flds -8(%rsp)
  37. fscale
  38. fstp %st(1)
  39. fstps -8(%rsp)
  40. movss -8(%rsp),%xmm0
  41. ret
  42. #ifndef _WIN64
  43. END(scalbnf)
  44. .globl CNAME(ldexpf)
  45. #else
  46. .globl CNAME(ldexpf); .section .drectve; .ascii " -export:ldexpf"
  47. #endif
  48. .set CNAME(ldexpf),CNAME(scalbnf)
  49. /* Enable stack protection */
  50. #if defined(__ELF__)
  51. .section .note.GNU-stack,"",%progbits
  52. #endif