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2007-10-25 Wu Zhou <woodzltc@cn.ibm.com>

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Thiago Jung Bauermann  <bauerman@br.ibm.com>

	* c-exp.y (YYSTYPE): Add typed_val_decfloat for decimal
	floating point in YYSTYPE union.
	(DECFLOAT) Add token and expression element handling code.
	(parse_number): Parse DFP constants, which end with suffix 'df',
	'dd' or 'dl'.  Return DECFLOAT.
	* eval.c (evaluate_subexp_standard): Call value_from_decfloat to
	handle OP_DECFLOAT.
	* expression.h (enum exp_opcode): Add an opcode (OP_DECFLOAT)
	for DFP constants.
	(union exp_element): Add decfloatconst to represent DFP
	elements, which is 16 bytes by default.
	* parse.c (write_exp_elt_decfloatcst): New function to write a
	decimal float const into the expression.
	(operator_length_standard): Set operator length for OP_DECFLOAT
	to 4.
	* parser-defs.h (write_exp_elt_decfloatcst): Prototype.
	* valarith.c (value_neg): Add code to handle the negation
	operation of DFP values.
	* value.c (value_from_decfloat): New function to get the value
	from a decimal floating point.
	* value.h (value_from_decfloat): Prototype.
This commit is contained in:
Thiago Jung Bauermann
2007-10-25 18:01:58 +00:00
parent 7678ef8fb0
commit 27bc4d809e
9 changed files with 140 additions and 0 deletions
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13
gdb/parse.c
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@@ -247,6 +247,18 @@ write_exp_elt_dblcst (DOUBLEST expelt)
write_exp_elt (tmp);
}
void
write_exp_elt_decfloatcst (gdb_byte expelt[16])
{
union exp_element tmp;
int index;
for (index = 0; index < 16; index++)
tmp.decfloatconst[index] = expelt[index];
write_exp_elt (tmp);
}
void
write_exp_elt_type (struct type *expelt)
{
@@ -718,6 +730,7 @@ operator_length_standard (struct expression *expr, int endpos,
case OP_LONG:
case OP_DOUBLE:
case OP_DECFLOAT:
case OP_VAR_VALUE:
oplen = 4;
break;