hotspot/src/os_cpu/linux_x86/vm/bytes_linux_x86.inline.hpp

rev 611 : Merge

*** 1,10 ****
- #ifdef USE_PRAGMA_IDENT_HDR
- #pragma ident "@(#)bytes_linux_x86.inline.hpp   1.12 07/09/17 09:21:07 JVM"
- #endif
  /*
!  * Copyright 1999-2001 Sun Microsystems, Inc.  All Rights Reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright 1999-2008 Sun Microsystems, Inc.  All Rights Reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 61,71 ****
--- 58,79 ----
  #endif // AMD64
  }
  
  #ifdef AMD64
  inline u8 Bytes::swap_u8(u8 x) {
+ #ifdef SPARC_WORKS
+   // workaround for SunStudio12 CR6615391
+   __asm__ __volatile__ (
+     "bswapq %0"
+     :"=r" (x)        // output : register 0 => x
+     :"0"  (x)        // input  : x => register 0
+     :"0"             // clobbered register
+   );
+   return x;
+ #else
    return bswap_64(x);
+ #endif
  }
  #else
  // Helper function for swap_u8
  inline u8   Bytes::swap_u8_base(u4 x, u4 y) {
    return (((u8)swap_u4(x))<<32) | swap_u4(y);
*** 73,78 ****
  
  inline u8 Bytes::swap_u8(u8 x) {
    return swap_u8_base(*(u4*)&x, *(((u4*)&x)+1));
  }
  #endif // !AMD64
- 
--- 81,85 ----