[arm-embedded] Backport mainline r177357

[Terry Guo]

Backport mainline r177357 to ARM/embedded-4_6-branch.

Committed.

2011-09-20  Terry Guo  <terry....@arm.com>

        Backport r177357 from mainline
        2011-08-04  Ian Bolton  <ian.bol...@arm.com>

        * gcc.target/arm/vfp-1.c: no large negative offsets on Thumb2.