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from 0ccd55795bd 2019-09-16 Richard Biener rguenther@suse.de new 5bd2334108f Auto-generate maybe_fold_and/or_comparisons from match.pd new 8c94effe263 Fix PR88784, middle end is missing some optimizations about [...] new b8fcf44cb75 Rewrite part of and_comparisons_1 into match.pd. new 58a11abc4e1 Rewrite first part of or_comparisons_1 into match.pd. new 4bc26ca2c40 Rewrite second part of or_comparisons_1 into match.pd.
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Summary of changes: gcc/ChangeLog | 68 ++++++ gcc/genmatch.c | 7 +- gcc/gimple-fold.c | 440 ++++++++++++-------------------------- gcc/gimple-fold.h | 4 +- gcc/gimple.c | 37 ++-- gcc/gimple.h | 2 + gcc/match.pd | 214 +++++++++++++++++- gcc/testsuite/ChangeLog | 17 ++ gcc/testsuite/gcc.dg/pr88784-1.c | 30 +++ gcc/testsuite/gcc.dg/pr88784-10.c | 32 +++ gcc/testsuite/gcc.dg/pr88784-11.c | 30 +++ gcc/testsuite/gcc.dg/pr88784-12.c | 30 +++ gcc/testsuite/gcc.dg/pr88784-2.c | 30 +++ gcc/testsuite/gcc.dg/pr88784-3.c | 32 +++ gcc/testsuite/gcc.dg/pr88784-4.c | 32 +++ gcc/testsuite/gcc.dg/pr88784-5.c | 31 +++ gcc/testsuite/gcc.dg/pr88784-6.c | 31 +++ gcc/testsuite/gcc.dg/pr88784-7.c | 31 +++ gcc/testsuite/gcc.dg/pr88784-8.c | 31 +++ gcc/testsuite/gcc.dg/pr88784-9.c | 32 +++ gcc/tree-if-conv.c | 2 +- gcc/tree-ssa-ifcombine.c | 2 +- gcc/tree-ssa-reassoc.c | 25 ++- gcc/tree-ssanames.c | 21 +- gcc/tree-ssanames.h | 1 + 25 files changed, 872 insertions(+), 340 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/pr88784-1.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-10.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-11.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-12.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-2.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-3.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-4.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-5.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-6.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-7.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-8.c create mode 100644 gcc/testsuite/gcc.dg/pr88784-9.c