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2009-06-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * passes.c: Add bswap pass. * tree-pass.h: Add pass_optimize_bswap declaration. * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt. Include rtl.h, expr.h and optabs.h for optab_handler check. (struct symbolic_number, pass_optimize_bswap): New definition. (do_shift_rotate, verify_symbolic_number_p): New functions. (find_bswap_1, find_bswap, execute_optimize_bswap): New functions. (gate_optimize_bswap): New function. * tree.c (widest_int_cst_value): New function. * tree.h (widest_int_cst_value): Prototype added. 2009-06-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * gcc.dg/optimize-bswap-1.c: New testcase. From-SVN: r148471
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