diff options
| author | Joseph Myers <joseph@codesourcery.com> | 2008-06-11 00:43:09 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2008-06-11 00:43:09 +0100 |
| commit | bc6d4c3f08404ffb1cb9379649d60bace4d15258 (patch) | |
| tree | aaae18cb379d8aaa4351816af260f701d6721cc1 /libdecnumber/bid | |
| parent | 0178d64465a03fdfa6e37f6f0750ad7d55e446f1 (diff) | |
dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
gcc:
* dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
(encode_decimal64, decode_decimal64, encode_decimal128,
decode_decimal128): Reverse order of 32-bit parts of value if host
and target endianness differ.
libdecnumber:
* dconfig.h: New.
* decContext.c, decExcept.c, decExcept.h, decLibrary.c,
decNumber.c, decNumberLocal.h, decRound.c, dpd/decimal128.c,
dpd/decimal32.c, dpd/decimal64.c: Include dconfig.h not config.h.
* dpd/decimal128Local.h (decimal128SetSign, decimal128ClearSign,
decimal128FlipSign): Use WORDS_BIGENDIAN not
FLOAT_WORDS_BIG_ENDIAN.
* bid/host-ieee128.c: Include dconfig.h.
(__host_to_ieee_128, __ieee_to_host_128): Swap 64-bit halves of
value if WORDS_BIGENDIAN.
libgcc:
* Makefile.in (DECNUMINC): Remove
-I$(MULTIBUILDTOP)../../libdecnumber.
* gstdint.h: New.
From-SVN: r136641
Diffstat (limited to 'libdecnumber/bid')
| -rw-r--r-- | libdecnumber/bid/host-ieee128.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libdecnumber/bid/host-ieee128.c b/libdecnumber/bid/host-ieee128.c index 6d493e5c9d8..12632c8aab2 100644 --- a/libdecnumber/bid/host-ieee128.c +++ b/libdecnumber/bid/host-ieee128.c @@ -29,20 +29,35 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA #include <string.h> +#include "dconfig.h" #include "bid-dpd.h" #include "decimal128.h" void __host_to_ieee_128 (_Decimal128 in, decimal128 *out); void __ieee_to_host_128 (decimal128 in, _Decimal128 *out); +/* The code for converting 128-bit values between DPD and BID presumes + that the 64-bit halves of the 128-bit value are in little-endian + order, so they need swapping on big-endian hosts. */ + void __host_to_ieee_128 (_Decimal128 in, decimal128 *out) { +#if WORDS_BIGENDIAN + memcpy ((char *) out, (char *) &in + 8, 8); + memcpy ((char *) out + 8, (char *) &in, 8); +#else memcpy ((char *) out, (char *) &in, 16); +#endif } void __ieee_to_host_128 (decimal128 in, _Decimal128 *out) { +#if WORDS_BIGENDIAN + memcpy ((char *) out, (char *) &in + 8, 8); + memcpy ((char *) out + 8, (char *) &in, 8); +#else memcpy ((char *) out, (char *) &in, 16); +#endif } |