https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88149
--- Comment #15 from Richard Biener ---
Author: rguenth
Date: Fri Feb 8 07:40:31 2019
New Revision: 268665
URL: https://gcc.gnu.org/viewcvs?rev=268665=gcc=rev
Log:
2019-02-08 Richard Biener
Backport from mainline
2018-12-10 Richard Biener
PR tree-optimization/88427
* vr-values.c (vr_values::extract_range_from_phi_node):
Handle symbolic ranges conservatively when trying to drop
to Inf +- 1.
* gcc.dg/pr88427.c: New testcase.
2018-11-28 Richard Biener
PR tree-optimization/88217
* vr-values.c (vr_values::extract_range_from_phi_node): Make
sure to handle results > +INF and < -INF correctly when
trying to drop down to +INF - 1 or -INF + 1.
* g++.dg/pr88217.C: New testcase.
2018-11-23 Richard Biener
PR tree-optimization/88149
* tree-vect-slp.c (vect_slp_analyze_node_operations): Detect
the case where there are two different def types for the
same operand at different operand position in the same stmt.
* g++.dg/torture/pr88149.C: New testcase.
Added:
branches/gcc-8-branch/gcc/testsuite/g++.dg/pr88217.C
branches/gcc-8-branch/gcc/testsuite/g++.dg/torture/pr88149.C
branches/gcc-8-branch/gcc/testsuite/gcc.dg/pr88427.c
Modified:
branches/gcc-8-branch/gcc/ChangeLog
branches/gcc-8-branch/gcc/testsuite/ChangeLog
branches/gcc-8-branch/gcc/tree-vect-slp.c
branches/gcc-8-branch/gcc/vr-values.c
