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* params.c (set_param_value): Initialize the "set" field. * params.h (struct param_info): Add "set" field. (PARAM_SET_P): New macro. (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE, L1_CACHE_LINE_SIZE): New macros. * toplev.c (DEFPARAM): Initialize the "set" field. * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES): Removed. (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE. (tree_ssa_prefetch_arrays): Dump the values of the parameters. * config/sparc/sparc.c: Include params.h. (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters. * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Removed. * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Removed. * config/i386/i386.c: Include params.h. (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES. (override_options): Set SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters. * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed. (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters. * config/ia64/ia64.c (ia64_optimization_options): Set SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters. * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK): Removed. * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES, PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params. * doc/invoke.texi: Document new params. From-SVN: r118728
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