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* expr.c (integer_constant 32bit bignum): Mask off bits outside

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the range we care about.
This commit is contained in:
Jeff Law 1997-12-17 20:19:26 +00:00
parent 4f2e777e2b
commit b463948b73
2 changed files with 34 additions and 4 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
Wed Dec 17 21:23:07 1997 Jeffrey A Law (law@cygnus.com)
* expr.c (integer_constant 32bit bignum): Mask off bits outside
the range we care about.
start-sanitize-d30v
Wed Dec 17 15:29:03 1997 Michael Meissner <meissner@cygnus.com>

33
gas/expr.c
View File

@ -37,6 +37,8 @@ static void integer_constant PARAMS ((int radix, expressionS * expressionP));
static void mri_char_constant PARAMS ((expressionS *));
static void current_location PARAMS ((expressionS *));
static void clean_up_expression PARAMS ((expressionS * expressionP));
static segT operand PARAMS ((expressionS *));
static operatorT operator PARAMS ((void));
extern const char EXP_CHARS[], FLT_CHARS[];
@ -69,8 +71,6 @@ make_expr_symbol (expressionP)
&& expressionP->X_add_number == 0)
return expressionP->X_add_symbol;
/* FIXME: This should be something which decode_local_label_name
will handle. */
fake = FAKE_LABEL_NAME;
/* Putting constant symbols in absolute_section rather than
@ -85,7 +85,7 @@ make_expr_symbol (expressionP)
symbolP->sy_value = *expressionP;
if (expressionP->X_op == O_constant)
resolve_symbol_value (symbolP);
resolve_symbol_value (symbolP, 1);
n = (struct expr_symbol_line *) xmalloc (sizeof *n);
n->sym = symbolP;
@ -298,6 +298,8 @@ integer_constant (radix, expressionP)
leader = generic_bignum;
generic_bignum[0] = 0;
generic_bignum[1] = 0;
generic_bignum[2] = 0;
generic_bignum[3] = 0;
input_line_pointer = start; /*->1st digit. */
c = *input_line_pointer++;
for (;
@ -332,8 +334,24 @@ integer_constant (radix, expressionP)
number =
((generic_bignum[1] & LITTLENUM_MASK) << LITTLENUM_NUMBER_OF_BITS)
| (generic_bignum[0] & LITTLENUM_MASK);
number &= 0xffffffff
small = 1;
}
#ifdef BFD64
else if (leader < generic_bignum + 4)
{
/* Will fit into 64 bits. */
number =
((((((((valueT) generic_bignum[3] & LITTLENUM_MASK)
<< LITTLENUM_NUMBER_OF_BITS)
| ((valueT) generic_bignum[2] & LITTLENUM_MASK))
<< LITTLENUM_NUMBER_OF_BITS)
| ((valueT) generic_bignum[1] & LITTLENUM_MASK))
<< LITTLENUM_NUMBER_OF_BITS)
| ((valueT) generic_bignum[0] & LITTLENUM_MASK));
small = 1;
}
#endif
else
{
number = leader - generic_bignum + 1; /* number of littlenums in the bignum. */
@ -1328,6 +1346,13 @@ operator ()
++input_line_pointer;
return ret;
case '=':
if (input_line_pointer[1] != '=')
return op_encoding[c];
++input_line_pointer;
return O_eq;
case '>':
switch (input_line_pointer[1])
{
@ -1469,7 +1494,7 @@ expr (rank, resultP)
&& SEG_NORMAL (S_GET_SEGMENT (right.X_add_symbol)))
{
resultP->X_add_number += right.X_add_number;
resultP->X_add_number -= right.X_add_number;
resultP->X_add_number += (S_GET_VALUE (resultP->X_add_symbol)
- S_GET_VALUE (right.X_add_symbol));
resultP->X_op = O_constant;