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| -rw-r--r-- | gcc/ChangeLog | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0059dd4bf63..ab418fdb627 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -3,6 +3,25 @@ PR c/77490 * doc/invoke.texi: Document -Wbool-operation. +2016-09-23 Aaron Sawdey <acsawdey@linux.vnet.ibm.com> + + * config/rs6000/rs6000.md (cmpmemsi): New define_expand. + * config/rs6000/rs6000.c (expand_block_compare): New function used by + cmpmemsi pattern to do builtin expansion of memcmp (). + (compute_current_alignment): Add helper function for + expand_block_compare used to compute alignment as the compare proceeds. + (select_block_compare_mode): Used by expand_block_compare to select + the mode used for reading the next chunk of bytes in the compare. + (do_load_for_compare): Used by expand_block_compare to emit the load + insns for the compare. + (rs6000_emit_dot_insn): Moved this function to avoid a forward + reference from expand_block_compare (). + * config/rs6000/rs6000-protos.h (expand_block_compare): Add a + prototype for this function. + * config/rs6000/rs6000.opt (mblock-compare-inline-limit): Add a new + target option for controlling how much code inline expansion of + memcmp() will be allowed to generate. + 2016-09-23 Jakub Jelinek <jakub@redhat.com> * hooks.c (hook_bool_bool_false, hook_bool_bool_gcc_optionsp_false, |