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* config/tc-i386.c (i386_operand): Detect non-segment registers

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used as segment prefixes.
This commit is contained in:
Richard Henderson
1998-09-08 22:57:36 +00:00
parent 9ade226a42
commit de1d28b669
2 changed files with 55 additions and 38 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
Tue Sep 8 15:56:19 1998 Richard Henderson <rth@cygnus.com>
* config/tc-i386.c (i386_operand): Detect non-segment registers
used as segment prefixes.
Sat Sep 5 19:00:38 1998 Ian Lance Taylor <ian@cygnus.com>
* ehopt.c (check_eh_frame): Check the size of the FDE, and don't

20
gas/config/tc-i386.c
View File

@ -2283,7 +2283,9 @@ i386_operand (operand_string)
op_string = end_op;
if (is_space_char (*op_string))
++op_string;
if ((r->reg_type & (SReg2 | SReg3)) && *op_string == ':')
if (*op_string)
{
if (r->reg_type & (SReg2 | SReg3))
{
switch (r->reg_num)
{
@ -2312,9 +2314,12 @@ i386_operand (operand_string)
if (is_space_char (*op_string))
++op_string;
operand_string = op_string; /* Pretend given string starts here. */
if (!is_digit_char (*op_string) && !is_identifier_char (*op_string)
&& *op_string != '(' && *op_string != ABSOLUTE_PREFIX)
/* Pretend given string starts here. */
operand_string = op_string;
if (!is_digit_char (*op_string)
&& !is_identifier_char (*op_string)
&& *op_string != '('
&& *op_string != ABSOLUTE_PREFIX)
{
as_bad (_("bad memory operand `%s'"), op_string);
return 0;
@ -2329,6 +2334,13 @@ i386_operand (operand_string)
}
goto do_memory_reference;
}
else
{
as_bad (_("bad segment prefix `%c%s'"),
REGISTER_PREFIX, r->reg_name);
return 0;
}
}
i.types[this_operand] |= r->reg_type & ~BaseIndex;
i.regs[this_operand] = r;
i.reg_operands++;