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dfp-bits.c (DFP_TO_INT): Remove code to saturate result of conversion that doesn't fit.

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* config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
 	of conversion that doesn't fit.

From-SVN: r119069
This commit is contained in:
Janis Johnson 2006-11-21 20:40:26 +00:00 • committed by Janis Johnson
parent d44963af3c
commit cab82f5c37
2 changed files with 3 additions and 23 deletions
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3
gcc/ChangeLog
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@ -1,5 +1,8 @@
2006-11-21 Janis Johnson <janis187@us.ibm.com>
* config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
of conversion that doesn't fit.
* config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
* config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.

23
gcc/config/dfp-bit.c
View file

@ -404,29 +404,6 @@ DFP_TO_INT (DFP_C_TYPE x)
decNumberFromString (&qval, (char *) "1.0", &context);
/* Force the exponent to zero. */
decNumberQuantize (&n1, &n2, &qval, &context);
/* This is based on text in N1107 section 5.1; it might turn out to be
undefined behavior instead. */
if (context.status & DEC_Invalid_operation)
{
#if defined (L_sd_to_si) || defined (L_dd_to_si) || defined (L_td_to_si)
if (decNumberIsNegative(&n2))
return INT_MIN;
else
return INT_MAX;
#elif defined (L_sd_to_di) || defined (L_dd_to_di) || defined (L_td_to_di)
if (decNumberIsNegative(&n2))
/* Find a defined constant that will work here. */
return (-9223372036854775807LL - 1LL);
else
/* Find a defined constant that will work here. */
return 9223372036854775807LL;
#elif defined (L_sd_to_usi) || defined (L_dd_to_usi) || defined (L_td_to_usi)
return UINT_MAX;
#elif defined (L_sd_to_udi) || defined (L_dd_to_udi) || defined (L_td_to_udi)
/* Find a defined constant that will work here. */
return 18446744073709551615ULL;
#endif
}
/* Get a string, which at this point will not include an exponent. */
decNumberToString (&n1, buf);
/* Ignore the fractional part. */