Internal memcpy using LDRD/STRD
2013-05-16 Greta Yorsh <Greta.Yorsh@arm.com>
gcc/
* config/arm/arm-protos.h (gen_movmem_ldrd_strd): New declaration.
* config/arm/arm.c (next_consecutive_mem): New function.
(gen_movmem_ldrd_strd): Likewise.
* config/arm/arm.md (movmemqi): Update condition and code.
(unaligned_loaddi, unaligned_storedi): New patterns.
gcc/testsuite
* gcc.target/arm/unaligned-memcpy-2.c: Adjust expected output.
* gcc.target/arm/unaligned-memcpy-3.c: Likewise.
* gcc.target/arm/unaligned-memcpy-4.c: Likewise.
From-SVN: r198970