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[PATCH,ARM][6/6] Tests for LDRD/STRD/LDM/STM generation for Cortex-A9/A15

From: "Greta Yorsh" <Greta dot Yorsh at arm dot com>
To: "Greta Yorsh" <Greta dot Yorsh at arm dot com>, <gcc-patches at gcc dot gnu dot org>
Cc: <nickc at redhat dot com>, "Richard Earnshaw" <Richard dot Earnshaw at arm dot com>, <paul at codesourcery dot com>, "Ramana Radhakrishnan" <Ramana dot Radhakrishnan at arm dot com>, <Carrot at google dot com>
Date: Mon, 7 Nov 2011 12:05:36 -0000
Subject: [PATCH,ARM][6/6] Tests for LDRD/STRD/LDM/STM generation for Cortex-A9/A15
References: <000901cc9d42$a0bd88c0$e2389a40$@Yorsh@arm.com>
This patch adds many new tests that are designed to check that
LDRD/STRD/LDM/STM instructions are generated as expected for various
configurations of gcc with O2/Os for Cortex-A9/A15 and ARM/Thumb. The tests
cover merging individual LDR/STR into double or multiple instructions
(peepholes), as well as direct generation of these instruction for struct
copy (movmemqi).

There are 30 functions (*.inc files), checked in 224 different
configurations, each of which is a separate test (*.c files). The test are
automatically generated by the attached creatests.py script (attached for
reference).

These tests might be sensitive to changes in register allocation and
scheduling. The main reason for including these tests is to provide a
partial specification for what is expected to be generated in every
configuration.

2011-10-28  Greta Yorsh  <Greta.Yorsh@arm.com>

        * gcc.target/arm/cortexa/load2commute.inc: New file.
        * gcc.target/arm/cortexa/load2dep.inc: New file.
        * gcc.target/arm/cortexa/load2.inc: New file.
        * gcc.target/arm/cortexa/load2nocommute2.inc: New file.
        * gcc.target/arm/cortexa/load2nocommute.inc: New file.
        * gcc.target/arm/cortexa/load2-offset4.inc: New file.
        * gcc.target/arm/cortexa/load2-offset8.inc: New file.
        * gcc.target/arm/cortexa/load2-offsetminus4.inc: New file.
        * gcc.target/arm/cortexa/load2t.inc: New file.
        * gcc.target/arm/cortexa/load3.inc: New file.
        * gcc.target/arm/cortexa/load3t.inc: New file.
        * gcc.target/arm/cortexa/load-store.inc: New file.
        * gcc.target/arm/cortexa/store2const.inc: New file.
        * gcc.target/arm/cortexa/store2dep.inc: New file.
        * gcc.target/arm/cortexa/store2.inc: New file.
        * gcc.target/arm/cortexa/store2-offset4.inc: New file.
        * gcc.target/arm/cortexa/store2-offset8.inc: New file.
        * gcc.target/arm/cortexa/store2-offsetminus4.inc: New file.
        * gcc.target/arm/cortexa/store2t.inc: New file.
        * gcc.target/arm/cortexa/store2t-offset4.inc: New file.
        * gcc.target/arm/cortexa/store2t-offsetminus4.inc: New file.
        * gcc.target/arm/cortexa/store2wback.inc: New file.
        * gcc.target/arm/cortexa/store2wbackloop.inc: New file.
        * gcc.target/arm/cortexa/store3.inc: New file.
        * gcc.target/arm/cortexa/store3-offset4.inc: New file.
        * gcc.target/arm/cortexa/store3-offset8.inc: New file.
        * gcc.target/arm/cortexa/struct-copy-0.inc: New file.
        * gcc.target/arm/cortexa/struct-copy-1.inc: New file.
        * gcc.target/arm/cortexa/struct-copy-2.inc: New file.
        * gcc.target/arm/cortexa/struct-copy-3.inc: New file.

        * gcc.target/arm/cortexa/a15-arm-O2-load2.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load2commute.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load2dep.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load2nocommute2.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load2nocommute.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load2-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load2-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load2-offsetminus4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load2t.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load3.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load3t.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-load-store.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2const.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2dep.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2-offsetminus4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2t.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2t-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2t-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2wback.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store2wbackloop.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store3.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store3-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-store3-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-struct-copy-0.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-struct-copy-1.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-struct-copy-2.c: New file.
        * gcc.target/arm/cortexa/a15-arm-O2-struct-copy-3.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load2.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load2commute.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load2dep.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load2nocommute2.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load2nocommute.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load2-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load2-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load2-offsetminus4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load2t.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load3.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-load-store.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-store2.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-store2const.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-store2-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-store2-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-store2-offsetminus4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-store2t.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-store2t-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-store2t-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a15-arm-Os-store3.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-store3-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-store3-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-struct-copy-0.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-struct-copy-1.c: New file.
        * gcc.target/arm/cortexa/a15-arm-Os-struct-copy-3.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load2.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load2commute.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load2dep.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load2nocommute2.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load2nocommute.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load2-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load2-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load2-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load2t.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load3.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load3t.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-load-store.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2const.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2dep.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2t.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2t-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2t-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2wback.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store2wbackloop.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store3.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store3-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-store3-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-struct-copy-0.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-struct-copy-1.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-struct-copy-2.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-O2-struct-copy-3.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load2.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load2commute.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load2dep.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load2nocommute2.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load2nocommute.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load2-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load2-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load2-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load2t.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load3.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-load-store.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store2.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store2const.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store2dep.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store2-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store2-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store2-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store2wback.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store2wbackloop.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store3.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store3-offset4.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-store3-offset8.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-struct-copy-0.c: New file.
        * gcc.target/arm/cortexa/a15-thumb-Os-struct-copy-1.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-load2commute.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-load2nocommute2.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-load2nocommute.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-load2t.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-load3.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-load3t.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store2.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store2const.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store2-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store2-offset8.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store2-offsetminus4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store2t.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store2t-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store2t-offsetminus4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store3.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store3-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-O2-store3-offset8.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-load2.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-load2commute.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-load2nocommute2.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-load2nocommute.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-load2-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-load2-offset8.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-load2-offsetminus4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-load2t.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-load3.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store2.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store2const.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store2-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store2-offset8.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store2-offsetminus4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store2t.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store2t-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store2t-offsetminus4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store3.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store3-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-store3-offset8.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-struct-copy-0.c: New file.
        * gcc.target/arm/cortexa/a9-arm-Os-struct-copy-1.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-load2commute.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-load2nocommute2.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-load2nocommute.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-load2t.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-load3.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-load3t.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2const.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2dep.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2-offset8.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2t.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2t-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2t-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2wback.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store2wbackloop.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store3.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store3-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-O2-store3-offset8.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-load2.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-load2commute.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-load2nocommute2.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-load2nocommute.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-load2-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-load2-offset8.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-load2-offsetminus4.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-load2t.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-load3.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2const.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2dep.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2-offset8.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2t.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2t-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2t-offsetminus4.c: New
file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2wback.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store2wbackloop.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store3.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store3-offset4.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-store3-offset8.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-struct-copy-0.c: New file.
        * gcc.target/arm/cortexa/a9-thumb-Os-struct-copy-1.c: New file.
Attachment: 6-cortexa-tests.patch
Description: Binary data
Attachment: creatests.py
Description: Binary data
References:
- [PATCH,ARM][1/6] Merge LDR/STR into LDRD/STRD with -O2 in Thumb
  - From: Greta Yorsh
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