[Bug tree-optimization/78005] [7 Regression] 172.mgrid and 450.soplex miscompare
amker at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Oct 19 11:10:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78005
--- Comment #5 from amker at gcc dot gnu.org ---
Author: amker
Date: Wed Oct 19 11:02:23 2016
New Revision: 241339
URL: https://gcc.gnu.org/viewcvs?rev=241339&root=gcc&view=rev
Log:
PR tree-optimization/78005
* tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Compute
upper (included) bound for niters of prolog loop.
(vect_gen_scalar_loop_niters): Change parameter VF to VFM1.
Compute niters of scalar loop above which vectorized loop is
preferred, as well as the upper (included) bound for the niters.
(vect_do_peeling): Record niter bound for loops accordingly.
gcc/testsuite
PR tree-optimization/78005
* gcc.dg/vect/pr78005.c: New.
* gcc.target/i386/l_fma_float_1.c: Revise test.
* gcc.target/i386/l_fma_float_2.c: Ditto.
* gcc.target/i386/l_fma_float_3.c: Ditto.
* gcc.target/i386/l_fma_float_4.c: Ditto.
* gcc.target/i386/l_fma_float_5.c: Ditto.
* gcc.target/i386/l_fma_float_6.c: Ditto.
* gcc.target/i386/l_fma_double_1.c: Ditto.
* gcc.target/i386/l_fma_double_2.c: Ditto.
* gcc.target/i386/l_fma_double_3.c: Ditto.
* gcc.target/i386/l_fma_double_4.c: Ditto.
* gcc.target/i386/l_fma_double_5.c: Ditto.
* gcc.target/i386/l_fma_double_6.c: Ditto.
Added:
trunk/gcc/testsuite/gcc.dg/vect/pr78005.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.target/i386/l_fma_double_1.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_double_2.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_double_3.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_double_4.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_double_5.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_double_6.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_float_1.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_float_2.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_float_3.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_float_4.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_float_5.c
trunk/gcc/testsuite/gcc.target/i386/l_fma_float_6.c
trunk/gcc/tree-vect-loop-manip.c
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