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from 5ced42f [simplify-rtx][2/2] Simplify - (y ? -x : x) -> (!y ? -x : x) new 8d669e7 PR c++/55095 * c-common.c (c_fully_fold_internal): Warn abo [...]
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Summary of changes: gcc/ChangeLog | 5 ++ gcc/c-family/ChangeLog | 11 ++++ gcc/c-family/c-common.c | 61 +++++++++++++++++++++- gcc/c-family/c-common.h | 1 + gcc/c-family/c-opts.c | 4 ++ gcc/c-family/c.opt | 8 +++ gcc/c/ChangeLog | 6 +++ gcc/c/c-typeck.c | 23 ++++---- gcc/cp/ChangeLog | 5 ++ gcc/cp/typeck.c | 3 ++ gcc/doc/invoke.texi | 21 ++++++++ gcc/testsuite/ChangeLog | 19 +++++++ gcc/testsuite/c-c++-common/Wshift-overflow-1.c | 58 ++++++++++++++++++++ gcc/testsuite/c-c++-common/Wshift-overflow-2.c | 58 ++++++++++++++++++++ gcc/testsuite/c-c++-common/Wshift-overflow-3.c | 59 +++++++++++++++++++++ gcc/testsuite/c-c++-common/Wshift-overflow-4.c | 59 +++++++++++++++++++++ gcc/testsuite/c-c++-common/Wshift-overflow-5.c | 11 ++++ gcc/testsuite/g++.dg/cpp1y/left-shift-1.C | 11 ++++ gcc/testsuite/gcc.c-torture/execute/pr40386.c | 2 +- gcc/testsuite/gcc.dg/c90-left-shift-2.c | 14 +++++ gcc/testsuite/gcc.dg/c90-left-shift-3.c | 14 +++++ gcc/testsuite/gcc.dg/c99-left-shift-2.c | 14 +++++ gcc/testsuite/gcc.dg/c99-left-shift-3.c | 14 +++++ gcc/testsuite/gcc.dg/pr40501.c | 2 +- gcc/testsuite/gcc.dg/vect/pr33373.c | 1 + gcc/testsuite/gcc.dg/vect/vect-shift-2-big-array.c | 1 + gcc/testsuite/gcc.dg/vect/vect-shift-2.c | 1 + 27 files changed, 473 insertions(+), 13 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/Wshift-overflow-1.c create mode 100644 gcc/testsuite/c-c++-common/Wshift-overflow-2.c create mode 100644 gcc/testsuite/c-c++-common/Wshift-overflow-3.c create mode 100644 gcc/testsuite/c-c++-common/Wshift-overflow-4.c create mode 100644 gcc/testsuite/c-c++-common/Wshift-overflow-5.c create mode 100644 gcc/testsuite/g++.dg/cpp1y/left-shift-1.C create mode 100644 gcc/testsuite/gcc.dg/c90-left-shift-2.c create mode 100644 gcc/testsuite/gcc.dg/c90-left-shift-3.c create mode 100644 gcc/testsuite/gcc.dg/c99-left-shift-2.c create mode 100644 gcc/testsuite/gcc.dg/c99-left-shift-3.c