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* ARM: sfi_breg assembler macroRoland McGrath2013-03-151-9/+18
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* ARM: Handle ARM_ALWAYS_BX in {add,sub}_n.S code.Roland McGrath2013-03-131-0/+6
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* arm: Add optimized add_n and sub_nRichard Henderson2013-03-061-0/+84
Written from scratch rather than copied from GMP, due to LGPL 2.1 vs GPL 3, but tested with the GMP testsuite. This is 250% faster than the generic code as measured on Cortex-A15, and the same speed as GMP on the same core, and probably everywhere.