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Since the word to byte register conversion isn't active for x86-64

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anyway, there's also no need to issue a separate, inconsistent
diagnostic in some of the cases - non-matching operands will be
complained about anyway.

2012-07-31  Jan Beulich <jbeulich@suse.com>

	* config/tc-i386.c (check_byte_reg): Check for I/O port
	register earlier, and just once. Drop diagnostic that got
	issued only for some registers.
This commit is contained in:
Jan Beulich 2012-07-31 07:43:38 +00:00
parent 5614d22c1d
commit 5a819eb989
2 changed files with 15 additions and 13 deletions
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6
gas/ChangeLog
View File

@ -1,3 +1,9 @@
2012-07-31 Jan Beulich <jbeulich@suse.com>
* config/tc-i386.c (check_byte_reg): Check for I/O port
register earlier, and just once. Drop diagnostic that got
issued only for some registers.
2012-07-31 Jan Beulich <jbeulich@suse.com>
* config/tc-i386.c (match_template): New local variable

22
gas/config/tc-i386.c
View File

@ -4734,6 +4734,10 @@ check_byte_reg (void)
if (i.types[op].bitfield.reg8)
continue;
/* I/O port address operands are OK too. */
if (i.tm.operand_types[op].bitfield.inoutportreg)
continue;
/* crc32 doesn't generate this warning. */
if (i.tm.base_opcode == 0xf20f38f0)
continue;
@ -4741,21 +4745,13 @@ check_byte_reg (void)
if ((i.types[op].bitfield.reg16
|| i.types[op].bitfield.reg32
|| i.types[op].bitfield.reg64)
&& i.op[op].regs->reg_num < 4)
&& i.op[op].regs->reg_num < 4
/* Prohibit these changes in 64bit mode, since the lowering
would be more complicated. */
&& flag_code != CODE_64BIT)
{
/* Prohibit these changes in the 64bit mode, since the
lowering is more complicated. */
if (flag_code == CODE_64BIT
&& !i.tm.operand_types[op].bitfield.inoutportreg)
{
as_bad (_("incorrect register `%s%s' used with `%c' suffix"),
register_prefix, i.op[op].regs->reg_name,
i.suffix);
return 0;
}
#if REGISTER_WARNINGS
if (!quiet_warnings
&& !i.tm.operand_types[op].bitfield.inoutportreg)
if (!quiet_warnings)
as_warn (_("using `%s%s' instead of `%s%s' due to `%c' suffix"),
register_prefix,
(i.op[op].regs + (i.types[op].bitfield.reg16