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Here is the third and last patch in the series. Its purpose is to add support for bitwise operation from a source operand that are equivalent to a load in the target's endianness. The ChangeLog are as follows: *** gcc/ChangeLog *** 2014-04-01 Thomas Preud'homme <thomas.preudhomme@arm.com> PR tree-optimization/54733 * tree-ssa-math-opts.c (find_bswap_1): Renamed to ... (find_bswap_or_nop_1): This. (find_bswap): Renamed to ... (find_bswap_or_nop): This. Also add detection of bitwise operations equivalent to load in host endianness. (execute_optimize_bswap): Likewise. *** gcc/testsuite/ChangeLog *** 2014-04-01 Thomas Preud'homme <thomas.preudhomme@arm.com> PR tree-optimization/54733 * gcc.dg/optimize-bswapdi-3.c: Extend test to check detection of bitwise operation equivalent to load in host endianness. * gcc.dg/optimize-bswaphi-1.c: Likewise. * gcc.dg/optimize-bswapsi-2.c: Likewise. Is this ok for stage 1? Best regards, Thomas
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