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Can't understand the difference between armv7e-m and armv7e-m-pic?

Hello people. I'm trying to do libgcc extraction for hard FPU's for k70 tower board. However, when I look at the libgcc library for arm targets, I find armv7-m, armv7e-m and armv7e-m-pic. I'm able to deduce from the armv7-m reference manual that the difference between armv7-m and armv7e-m is of the DSP chip i.e. armv7e-m will have a DSP chip. As the k70 has a DSP chip, therefore I'm able to conclude that I have the armv7e-m architecture. However, I'm unable to figure out the difference between armv7e-m and armv7e-m-pic? There is no reference about it in the armv7-m reference manual. Can someone help me out here?

Thanks,
Bilal