[PATCH 0/3] Better folding of 2 string builtin-ins

[marxin]

Hi.

During playing with -fprofile-values I've noticed that some builtins
are not folded ideally. Fixing in attached mini patch series.

Patch can bootstrap on ppc64le-redhat-linux and survives regression tests.

Ready to be installed?
Martin

marxin (3):
  Fold BUILT_IN_STRNCASECMP
  Smarter folding of __builtin_memchr
  Test folding of strn{case}cmp and memchr

 gcc/builtins.c                                   | 39 ++++++++++++----
 gcc/testsuite/gcc.dg/tree-ssa/builtins-folding.c | 59 ++++++++++++++++++++++++
 2 files changed, 88 insertions(+), 10 deletions(-)
 create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/builtins-folding.c

-- 
2.9.2