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libdecnumber: Modify dconfig.h to Integrate with QEMU 

Modify the dconfig.h header file so that libdecnumber code integrates QEMU
configuration.   Specifically:

  - the WORDS_BIGENDIAN preprocessor macro is used in libdecnumber code to
    determines endianness.  It is derived from the existing QEMU macro
    HOST_WORDS_BIGENDIAN which is defined in config-host.h.

  - the DECPUN macro determines the number of decimal digits (aka declets) per
    unit (byte).  This is 3 for PowerPC DFP.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Tom Musta 2014-04-21 15:54:48 -05:00 committed by Alexander Graf
parent 0f2d373220
commit 7275585b8c
1 changed files with 7 additions and 19 deletions
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26
include/libdecnumber/dconfig.h
View File

@ -27,26 +27,14 @@
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#ifdef IN_LIBGCC2
#include "config-host.h"
#include "tconfig.h"
#include "coretypes.h"
#include "tm.h"
#ifndef LIBGCC2_WORDS_BIG_ENDIAN
#define LIBGCC2_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
#endif
#ifndef LIBGCC2_FLOAT_WORDS_BIG_ENDIAN
#define LIBGCC2_FLOAT_WORDS_BIG_ENDIAN LIBGCC2_WORDS_BIG_ENDIAN
#endif
#if LIBGCC2_FLOAT_WORDS_BIG_ENDIAN
#if defined(HOST_WORDS_BIGENDIAN)
#define WORDS_BIGENDIAN 1
#endif
#else
#include "config.h"
#define WORDS_BIGENDIAN 0
#endif
#ifndef DECDPUN
#define DECDPUN 3
#endif