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| author | Jakub Jelinek <jakub@redhat.com> | 2016-01-09 08:37:04 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-01-09 08:37:04 +0100 |
| commit | 20b8d7342cc4920c79aebc0317150abe66068957 (patch) | |
| tree | 45e51c7b289d01fdbda2b9323067a5127cd78f76 /libcpp | |
| parent | c50e614be6bb98f8a67f6fda4f73b412b035329d (diff) | |
| download | gcc-20b8d7342cc4920c79aebc0317150abe66068957.zip gcc-20b8d7342cc4920c79aebc0317150abe66068957.tar.gz gcc-20b8d7342cc4920c79aebc0317150abe66068957.tar.bz2 | |
re PR middle-end/50865 (Invalid code generation for INT64_MIN % 1 on x86_64)
PR middle-end/50865
PR tree-optimization/69097
* fold-const.h (expr_not_equal_to): New prototype.
* fold-const.c: Include stringpool.h and tree-ssanames.h.
(expr_not_equal_to): New function.
* match.pd (X % -Y is the same as X % Y): Don't optimize
unless X is known not to be equal to minimum or Y is known
not to be equal to -1.
* tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
fold TRUNC_MOD_EXPR if the second argument is not a power of two.
(simplify_stmt_using_ranges): Adjust caller.
(vrp_finalize): Call set_value_range on SSA_NAMEs before calling
substitute_and_fold.
* gcc.c-torture/execute/pr50865.c: New test.
* gcc.c-torture/execute/pr69097-1.c: New test.
* gcc.c-torture/execute/pr69097-2.c: New test.
* gcc.dg/pr69097-1.c: New test.
* gcc.dg/pr69097-2.c: New test.
From-SVN: r232188
Diffstat (limited to 'libcpp')
0 files changed, 0 insertions, 0 deletions