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r243071 - in /branches/ARM/sve-branch/gcc: conf...


Author: rsandifo
Date: Wed Nov 30 19:09:02 2016
New Revision: 243071

URL: https://gcc.gnu.org/viewcvs?rev=243071&root=gcc&view=rev
Log:
Add support for CLASTB

[Branch only patch -- not intended for trunk in its current state]

This patch uses CLASTB to optimise conditional reductions.  It means
that we no longer need to maintain a separate index vector to record
the most recent valid value.

This patch lacks documentation but otherwise is almost ready
for trunk.

Added:
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_1.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_1_run.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_2.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_2_run.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_3.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_3_run.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_4.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_4_run.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_5.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_5_run.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_6.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_6_run.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_7.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.target/aarch64/sve_clastb_7_run.c
Modified:
    branches/ARM/sve-branch/gcc/config/aarch64/aarch64-sve.md
    branches/ARM/sve-branch/gcc/config/aarch64/aarch64.md
    branches/ARM/sve-branch/gcc/internal-fn.c
    branches/ARM/sve-branch/gcc/internal-fn.def
    branches/ARM/sve-branch/gcc/optabs.def
    branches/ARM/sve-branch/gcc/testsuite/gcc.dg/vect/pr65947-1.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.dg/vect/pr65947-10.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.dg/vect/pr65947-12.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.dg/vect/pr65947-13.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.dg/vect/pr65947-2.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.dg/vect/pr65947-3.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.dg/vect/pr65947-4.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.dg/vect/pr65947-5.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.dg/vect/pr65947-6.c
    branches/ARM/sve-branch/gcc/testsuite/gcc.dg/vect/pr65947-9.c
    branches/ARM/sve-branch/gcc/testsuite/lib/target-supports.exp
    branches/ARM/sve-branch/gcc/tree-vect-loop.c
    branches/ARM/sve-branch/gcc/tree-vectorizer.h


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