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[Bug middle-end/82479] missing popcount builtin detection
- From: "kugan at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 16 Jun 2018 21:40:03 +0000
- Subject: [Bug middle-end/82479] missing popcount builtin detection
- Auto-submitted: auto-generated
- References: <bug-82479-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82479
--- Comment #13 from kugan at gcc dot gnu.org ---
Author: kugan
Date: Sat Jun 16 21:39:31 2018
New Revision: 261682
URL: https://gcc.gnu.org/viewcvs?rev=261682&root=gcc&view=rev
Log:
gcc/ChangeLog:
2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
PR middle-end/82479
* ipa-fnsummary.c (will_be_nonconstant_expr_predicate): Handle
CALL_EXPR.
* tree-scalar-evolution.c (interpret_expr): Likewise.
(expression_expensive_p): Likewise.
* tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Likewise.
* tree-ssa-loop-niter.c (number_of_iterations_popcount): New.
(number_of_iterations_exit_assumptions): Use
number_of_iterations_popcount.
(ssa_defined_by_minus_one_stmt_p): New.
gcc/testsuite/ChangeLog:
2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
PR middle-end/82479
* gcc.dg/tree-ssa/popcount.c: New test.
* gcc.dg/tree-ssa/popcount2.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/popcount.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/popcount2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/ipa-fnsummary.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-scalar-evolution.c
trunk/gcc/tree-ssa-loop-ivopts.c
trunk/gcc/tree-ssa-loop-niter.c