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[Patch, ARM][0/2] Prepartion for Epilogue in RTL


The following patches perform code reorganization in preparation for
epilogue generation in RTL.

[1/2] move the code of the special predicates load_multiple_operation and
store_multiple_operation into a separate function ldm_stm_operation_p
[2/2] generalize ldm_stm_operation_p 

No regression on qemu for arm-none-eabi neon softfp arm/thumb.

Ok for trunk?

Thanks,
Greta




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