[patch] Fixed-point patch 7/10

[Mark Mitchell]

Fu, Chao-Ying wrote:
> Hi, Mark,
> 
>   Based on your review, I attached the updated patch
> which includes these changes:
> 
> 1. Use integer_zerop and integer_onep in "convert_to_fixed".
> 2. New comments in "expand_expr_real_1" to explain that
>    because "expand_mult", "expand_divmod", and "exapnd_shift" don't work
>    for sat/non-sat fixed-point operations, for fixed-point modes we
>    jump to the label of binop.
> 3. New changes in genopinit.c, because of the new method to initialize
> instructions.

This version is OK.

-- 
Mark Mitchell
CodeSourcery
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