softfloat: Refactor code handling various rounding modes

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Refactor the code in various functions which calculates rounding
increments given the current rounding mode, so that instead of a
set of nested if statements we have a simple switch statement.
This will give us a clean place to add the case for the new
tiesAway rounding mode.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>

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Peter Maydell

2014-01-08 19:07:22 +00:00

parent 14c9a07eb9

commit dc355b764d

1 changed files with 241 additions and 164 deletions

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fpu/softfloat.c

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