https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85681
--- Comment #5 from luisgpm at gcc dot gnu.org --- Author: luisgpm Date: Mon May 7 15:47:14 2018 New Revision: 260000 URL: https://gcc.gnu.org/viewcvs?rev=260000&root=gcc&view=rev Log: 2018-05-07 Luis Machado <luis.mach...@linaro.org> PR bootstrap/85681 Revert: 2018-05-07 Luis Machado <luis.mach...@linaro.org> * config/aarch64/aarch64-protos.h (cpu_prefetch_tune) <prefetch_dynamic_strides>: New const bool field. * config/aarch64/aarch64.c (generic_prefetch_tune): Update to include prefetch_dynamic_strides. (exynosm1_prefetch_tune): Likewise. (thunderxt88_prefetch_tune): Likewise. (thunderx_prefetch_tune): Likewise. (thunderx2t99_prefetch_tune): Likewise. (qdf24xx_prefetch_tune): Likewise. Set prefetch_dynamic_strides to false. (aarch64_override_options_internal): Update to set PARAM_PREFETCH_DYNAMIC_STRIDES. * doc/invoke.texi (prefetch-dynamic-strides): Document new option. * params.def (PARAM_PREFETCH_DYNAMIC_STRIDES): New. * params.h (PARAM_PREFETCH_DYNAMIC_STRIDES): Define. * tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Account for prefetch-dynamic-strides setting. 2018-05-07 Luis Machado <luis.mach...@linaro.org> * config/aarch64/aarch64-protos.h (cpu_prefetch_tune) <minimum_stride>: New const int field. * config/aarch64/aarch64.c (generic_prefetch_tune): Update to include minimum_stride field. (exynosm1_prefetch_tune): Likewise. (thunderxt88_prefetch_tune): Likewise. (thunderx_prefetch_tune): Likewise. (thunderx2t99_prefetch_tune): Likewise. (qdf24xx_prefetch_tune): Likewise. Set minimum_stride to 2048. (aarch64_override_options_internal): Update to set PARAM_PREFETCH_MINIMUM_STRIDE. * doc/invoke.texi (prefetch-minimum-stride): Document new option. * params.def (PARAM_PREFETCH_MINIMUM_STRIDE): New. * params.h (PARAM_PREFETCH_MINIMUM_STRIDE): Define. * tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Return false if stride is constant and is below the minimum stride threshold. Modified: trunk/gcc/ChangeLog trunk/gcc/config/aarch64/aarch64-protos.h trunk/gcc/config/aarch64/aarch64.c trunk/gcc/doc/invoke.texi trunk/gcc/params.def trunk/gcc/params.h trunk/gcc/tree-ssa-loop-prefetch.c
