4d210b073f
gcc/ 2008-xx-xx Richard Sandiford <rdsandiford@goolemail.com> Peter Fuerst <post@pfrst.de> * doc/invoke.texi: Document -mr10k-cache-barrier=. * doc/extend.texi: Document __builtin_mips_cache. * config/mips/mips-ftypes.def: Add a (VOID, SI, CVPOINTER) entry. * config/mips/mips.opt (mr10k-cache-barrier=): New option. * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __GCC_HAVE_BUILTIN_MIPS_CACHE. (TARGET_CACHE_BUILTIN, ISA_HAS_CACHE): New macros. * config/mips/mips.c (mips_r10k_cache_barrier_setting): New enum. (set_push_mips_isas): New variable. (mips_r10k_cache_barrier): New variable. (cache): New availability predicate. (mips_builtins): Add an entry for __builtin_mips_cache. (mips_build_cvpointer_type): New function. (MIPS_ATYPE_CVPOINTER): New macro. (mips_prepare_builtin_arg): Only use the insn's mode if the rtx's mode is VOIDmode. (r10k_simplified_address_p, r10k_simplify_address) (r10k_uncached_address_p, r10k_safe_address_p) (r10k_needs_protection_p_1, r10k_needs_protection_p_store) (r10k_needs_protection_p_call, r10k_needs_protection_p) (r10k_insert_cache_barriers): New functions. (mips_reorg_process_insns): Delete cache barriers after a branch-likely instruction. (mips_reorg): Call r10k_insert_cache_barriers. (mips_handle_option): Handle OPT_mr10k_cache_barrier_. * config/mips/mips.md (UNSPEC_MIPS_CACHE): New constant. (UNSPEC_R10K_CACHE_BARRIER): Likewise. (mips_cache, r10k_cache_barrier): New define_insns. gcc/testsuite/ * gcc.target/mips/mips.exp (dg-mips-options): Make -mr10k-cache-barrier=* imply -mips3 or above. * gcc.target/mips/cache-1.c: New test. * gcc.target/mips/r10k-cache-barrier-1.c: Likewise. * gcc.target/mips/r10k-cache-barrier-2.c: Likewise. * gcc.target/mips/r10k-cache-barrier-3.c: Likewise. * gcc.target/mips/r10k-cache-barrier-4.c: Likewise. * gcc.target/mips/r10k-cache-barrier-5.c: Likewise. * gcc.target/mips/r10k-cache-barrier-6.c: Likewise. * gcc.target/mips/r10k-cache-barrier-7.c: Likewise. * gcc.target/mips/r10k-cache-barrier-8.c: Likewise. * gcc.target/mips/r10k-cache-barrier-9.c: Likewise. * gcc.target/mips/r10k-cache-barrier-10.c: Likewise. * gcc.target/mips/r10k-cache-barrier-11.c: Likewise. * gcc.target/mips/r10k-cache-barrier-12.c: Likewise. * gcc.target/mips/r10k-cache-barrier-13.c: Likewise. * gcc.target/mips/r10k-cache-barrier-14.c: Likewise. * gcc.target/mips/r10k-cache-barrier-15.c: Likewise. From-SVN: r140055 |
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