Trying to work around a 16-bit x86 weirdness

[Bernd Jendrissek]

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On Mon, Oct 20, 2003 at 05:50:37PM -0700, Richard Henderson wrote:
> On Mon, Oct 20, 2003 at 10:44:55AM +0200, Bernd Jendrissek wrote:
> > (insn 23 8 24 0 (set (reg:HI bx [25])
> >         (const_int 42000 [0xa410])) -1 (nil)
> 
> This is not a valid HImode constant.  Integer constants are
> sign extended to HOST_WIDE_INT, regardless of the signedness
> of the target type.

Ooh, thanks, now it gets interesting.  You're saying that any CONST_INT
greater than 32767 is not a valid HImode?

So why *is* GCC generating what appears to me to be a movhi with an
invalid operand for the mode?  How do I tell GCC to emit

(set (reg:HI bx) (const_int -23536)) instead?

bernd
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