tree 25ac74cd04b482469a18458cf2c2928154affc78
parent 231b67a6b2b5caf2262bd6c59176acd67a317e53
author Gilles Peskine <Gilles.Peskine@arm.com> 1627642642 +0200
committer Gilles Peskine <Gilles.Peskine@arm.com> 1627642642 +0200

mask_of_range: simplify high comparison

To test c <= high, instead of testing the sign of (high + 1) - c, negate the
sign of high - c (as we're doing for c - low). This is a little easier to
read and shaves 2 instructions off the arm thumb build with
arm-none-eabi-gcc 7.3.1.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>