Add missing changelong entry for 240455

From-SVN: r240464

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0059dd4bf63251f1513851a945e06ba87e273508..ab418fdb62798c7ad1b356926e1e6002621b4b2b 100644 (file)
--- 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,