[SeaBIOS] Build errors with Clang 3.2: src/ioport.h:126:18: error: invalid operand for instruction

[H. Peter Anvin]

On 03/04/2013 03:58 PM, Kevin O'Connor wrote:
> On Mon, Mar 04, 2013 at 04:15:51PM +0100, Paul Menzel wrote:
>> to build SeaBIOS, Clang throws the following errors.
> [...]
>>         In file included from src/ata.c:9:
>>         src/ioport.h:126:18: error: invalid operand for instruction
>>             asm volatile("rep outsw %%es:(%%esi), (%%dx)"
>>                          ^
> 
> I'm not familiar with Clang, but I don't see anything wrong with this
> particular assembler statement.  Is this the only thing Clang has
> issues with?
> 

Wouldn't simply "es rep outsw" be better?  The operands are implicit
anyway, except for the source segment override.

	-hpa