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from ca99c78 Add more subreg offset helpers new c1acc1d combine: Convert subreg-of-lshiftrt to zero_extract properly [...] new d244f46 Rework subreg_get_info new 0554c9b 2016-11-23 Richard Biener rguenther@suse.de new 3b86188 PR78494 add missing returns to propagate_const

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Summary of changes: gcc/ChangeLog | 31 +++++ gcc/combine.c | 7 +- gcc/rtlanal.c | 144 ++++++++++----------- gcc/testsuite/ChangeLog | 5 + gcc/testsuite/gcc.dg/vect/bb-slp-cond-1.c | 8 +- gcc/tree-vectorizer.c | 29 ++++- libstdc++-v3/ChangeLog | 10 ++ libstdc++-v3/include/experimental/propagate_const | 2 + .../propagate_const/assignment/move_neg.cc | 2 +- .../experimental/propagate_const/requirements2.cc | 4 +- 10 files changed, 159 insertions(+), 83 deletions(-)