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r238340 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: ktkachov at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 14 Jul 2016 14:32:40 -0000
- Subject: r238340 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: ktkachov
Date: Thu Jul 14 14:32:39 2016
New Revision: 238340
URL: https://gcc.gnu.org/viewcvs?rev=238340&root=gcc&view=rev
Log:
[vectorizer][2/2] Hook up mult synthesis logic into vectorisation of mult-by-constant
PR target/65951
PR tree-optimization/70923
* tree-vect-patterns.c: Include mult-synthesis.h.
(target_supports_mult_synth_alg): New function.
(synth_lshift_by_additions): Likewise.
(apply_binop_and_append_stmt): Likewise.
(vect_synth_mult_by_constant): Likewise.
(target_has_vecop_for_code): Likewise.
(vect_recog_mult_pattern): Use above functions to synthesize vector
multiplication by integer constants.
* gcc.dg/vect/vect-mult-const-pattern-1.c: New test.
* gcc.dg/vect/vect-mult-const-pattern-2.c: Likewise.
* gcc.dg/vect/pr65951.c: Likewise.
* gcc.dg/vect/vect-iv-9.c: Remove ! vect_int_mult-specific scan.
Added:
trunk/gcc/testsuite/gcc.dg/vect/pr65951.c
trunk/gcc/testsuite/gcc.dg/vect/vect-mult-const-pattern-1.c
trunk/gcc/testsuite/gcc.dg/vect/vect-mult-const-pattern-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/vect/vect-iv-9.c
trunk/gcc/tree-vect-patterns.c