jdk8-mips64-public/hotspot: src/os_cpu/linux_x86/vm/bytes_linux

6888954: argument formatting for assert() and friends
Reviewed-by: kvn, twisti, apetrusenko, never, dcubed

     1 /*

     2  * Copyright 1999-2008 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 #include <byteswap.h>

    27 // Efficient swapping of data bytes from Java byte

    28 // ordering to native byte ordering and vice versa.

    29 inline u2   Bytes::swap_u2(u2 x) {

    30 #ifdef AMD64

    31   return bswap_16(x);

    32 #else

    33   u2 ret;

    34   __asm__ __volatile__ (

    35     "movw %0, %%ax;"

    36     "xchg %%al, %%ah;"

    37     "movw %%ax, %0"

    38     :"=r" (ret)      // output : register 0 => ret

    39     :"0"  (x)        // input  : x => register 0

    40     :"ax", "0"       // clobbered registers

    41   );

    42   return ret;

    43 #endif // AMD64

    44 }

    46 inline u4   Bytes::swap_u4(u4 x) {

    47 #ifdef AMD64

    48   return bswap_32(x);

    49 #else

    50   u4 ret;

    51   __asm__ __volatile__ (

    52     "bswap %0"

    53     :"=r" (ret)      // output : register 0 => ret

    54     :"0"  (x)        // input  : x => register 0

    55     :"0"             // clobbered register

    56   );

    57   return ret;

    58 #endif // AMD64

    59 }

    61 #ifdef AMD64

    62 inline u8 Bytes::swap_u8(u8 x) {

    63 #ifdef SPARC_WORKS

    64   // workaround for SunStudio12 CR6615391

    65   __asm__ __volatile__ (

    66     "bswapq %0"

    67     :"=r" (x)        // output : register 0 => x

    68     :"0"  (x)        // input  : x => register 0

    69     :"0"             // clobbered register

    70   );

    71   return x;

    72 #else

    73   return bswap_64(x);

    74 #endif

    75 }

    76 #else

    77 // Helper function for swap_u8

    78 inline u8   Bytes::swap_u8_base(u4 x, u4 y) {

    79   return (((u8)swap_u4(x))<<32) | swap_u4(y);

    80 }

    82 inline u8 Bytes::swap_u8(u8 x) {

    83   return swap_u8_base(*(u4*)&x, *(((u4*)&x)+1));

    84 }

    85 #endif // !AMD64

src/os_cpu/linux_x86/vm/bytes_linux_x86.inline.hpp@f03d0a26bf83