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From: Christophe Lyon <christophe.lyon@foss.st.com>
To: <gcc-patches@gcc.gnu.org>
Subject: [PATCH v2 00/14] ARM/MVE use vectors of boolean for predicates
Date: Wed, 13 Oct 2021 12:15:20 +0200	[thread overview]
Message-ID: <20211013101554.2732342-1-christophe.lyon@foss.st.com> (raw)

This is v2 of this patch series, addressing the comments I received.
The changes v1 -> v2 are:

- Patch 3: added an executable test, and updated
  check_effective_target_arm_mve_hw
- Patch 4: split into patch 4 and patch 14 (to keep numbering the same
  for the other patches)
- Patch 5: updated arm_class_likely_spilled_p as suggested.
- Patch 7: updated test_vector_ops_duplicate in simplify-rtx.c as
  suggested.
- Patch 8: added V2DI -> HI/hi mapping in MVE_VPRED/MVE_vpred
  iterators, removed now useless mve_vpselq_<supf>v2di, and fixed
  mov<mode> expander.
- Patch 9: arm_mode_to_pred_mode now returns opt_machine_mode, removed
  useless floating-point checks in vec_cmpu.
- Patch 12: replaced hi with v8bi in v2di load/store instructions

I'll squash patch 2 with patch patch 9 and patch 3 with patch 8.

Original text:

This patch series addresses PR 100757 and 101325 by representing
vectors of predicates (MVE VPR.P0 register) as vectors of booleans
rather than using HImode.

As this implies a lot of mostly mechanical changes, I have tried to
split the patches in a way that should help reviewers, but the split
is a bit artificial.

Patches 1-3 add new tests.

Patches 4-6 are small independent improvements.

Patch 7 implements the predicate qualifier, but does not change any
builtin yet.

Patch 8 is the first of the two main patches, and uses the new
qualifier to describe the vcmp and vpsel builtins that are useful for
auto-vectorization of comparisons.

Patch 9 is the second main patch, which fixes the vcond_mask expander.

Patches 10-13 convert almost all the remaining builtins with HI
operands to use the predicate qualifier.  After these, there are still
a few builtins with HI operands left, about which I am not sure: vctp,
vpnot, load-gather and store-scatter with v2di operands.  In fact,
patches 11/12 update some STR/LDR qualifiers in a way that breaks
these v2di builtins although existing tests still pass.

Christophe Lyon (14):
  arm: Add new tests for comparison vectorization with Neon and MVE
  arm: Add tests for PR target/100757
  arm: Add tests for PR target/101325
  arm: Add GENERAL_AND_VPR_REGS regclass
  arm: Add support for VPR_REG in arm_class_likely_spilled_p
  arm: Fix mve_vmvnq_n_<supf><mode> argument mode
  arm: Implement MVE predicates as vectors of booleans
  arm: Implement auto-vectorized MVE comparisons with vectors of boolean
    predicates
  arm: Fix vcond_mask expander for MVE (PR target/100757)
  arm: Convert remaining MVE vcmp builtins to predicate qualifiers
  arm: Convert more MVE builtins to predicate qualifiers
  arm: Convert more load/store MVE builtins to predicate qualifiers
  arm: Convert more MVE/CDE builtins to predicate qualifiers
  arm: Add VPR_REG to ALL_REGS

 gcc/config/arm/arm-builtins.c                 | 228 +++--
 gcc/config/arm/arm-modes.def                  |   5 +
 gcc/config/arm/arm-protos.h                   |   3 +-
 gcc/config/arm/arm-simd-builtin-types.def     |   4 +
 gcc/config/arm/arm.c                          | 130 ++-
 gcc/config/arm/arm.h                          |   5 +-
 gcc/config/arm/arm_mve_builtins.def           | 746 ++++++++--------
 gcc/config/arm/iterators.md                   |   5 +
 gcc/config/arm/mve.md                         | 832 ++++++++++--------
 gcc/config/arm/neon.md                        |  39 +
 gcc/config/arm/vec-common.md                  |  52 --
 gcc/simplify-rtx.c                            |  26 +-
 .../arm/acle/cde-mve-full-assembly.c          | 264 +++---
 .../gcc.target/arm/simd/mve-vcmp-f32-2.c      |  32 +
 .../gcc.target/arm/simd/neon-compare-1.c      |  78 ++
 .../gcc.target/arm/simd/neon-compare-2.c      |  13 +
 .../gcc.target/arm/simd/neon-compare-3.c      |  14 +
 .../arm/simd/neon-compare-scalar-1.c          |  57 ++
 .../gcc.target/arm/simd/neon-vcmp-f16.c       |  12 +
 .../gcc.target/arm/simd/neon-vcmp-f32-2.c     |  15 +
 .../gcc.target/arm/simd/neon-vcmp-f32-3.c     |  12 +
 .../gcc.target/arm/simd/neon-vcmp-f32.c       |  12 +
 gcc/testsuite/gcc.target/arm/simd/neon-vcmp.c |  22 +
 .../gcc.target/arm/simd/pr100757-2.c          |  20 +
 .../gcc.target/arm/simd/pr100757-3.c          |  20 +
 .../gcc.target/arm/simd/pr100757-4.c          |  19 +
 gcc/testsuite/gcc.target/arm/simd/pr100757.c  |  19 +
 .../gcc.target/arm/simd/pr101325-2.c          |  19 +
 gcc/testsuite/gcc.target/arm/simd/pr101325.c  |  14 +
 gcc/testsuite/lib/target-supports.exp         |   3 +-
 30 files changed, 1611 insertions(+), 1109 deletions(-)
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/mve-vcmp-f32-2.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/neon-compare-1.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/neon-compare-2.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/neon-compare-3.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/neon-compare-scalar-1.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/neon-vcmp-f16.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/neon-vcmp-f32-2.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/neon-vcmp-f32-3.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/neon-vcmp-f32.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/neon-vcmp.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/pr100757-2.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/pr100757-3.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/pr100757-4.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/pr100757.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/pr101325-2.c
 create mode 100644 gcc/testsuite/gcc.target/arm/simd/pr101325.c

-- 
2.25.1


             reply	other threads:[~2021-10-13 10:16 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-13 10:15 Christophe Lyon [this message]
2021-10-13 10:15 ` [PATCH v2 01/14] arm: Add new tests for comparison vectorization with Neon and MVE Christophe Lyon
2021-10-13 10:15 ` [PATCH v2 02/14] arm: Add tests for PR target/100757 Christophe Lyon
2021-10-13 10:15 ` [PATCH v2 03/14] arm: Add tests for PR target/101325 Christophe Lyon
2021-10-15 14:49   ` Richard Sandiford
2021-10-13 10:15 ` [PATCH v2 04/14] arm: Add GENERAL_AND_VPR_REGS regclass Christophe Lyon
2021-10-13 10:15 ` [PATCH v2 05/14] arm: Add support for VPR_REG in arm_class_likely_spilled_p Christophe Lyon
2021-10-13 10:15 ` [PATCH v2 06/14] arm: Fix mve_vmvnq_n_<supf><mode> argument mode Christophe Lyon
2021-10-13 10:15 ` [PATCH v2 07/14] arm: Implement MVE predicates as vectors of booleans Christophe Lyon
2021-10-13 10:15 ` [PATCH v2 08/14] arm: Implement auto-vectorized MVE comparisons with vectors of boolean predicates Christophe Lyon
2021-10-13 10:15 ` [PATCH v2 09/14] arm: Fix vcond_mask expander for MVE (PR target/100757) Christophe Lyon
2021-10-15 14:55   ` Richard Sandiford
2021-10-13 10:15 ` [PATCH v2 10/14] arm: Convert remaining MVE vcmp builtins to predicate qualifiers Christophe Lyon
2021-10-13 10:15 ` [PATCH v2 11/14] arm: Convert more MVE " Christophe Lyon
2021-10-13 10:15 ` [PATCH v2 12/14] arm: Convert more load/store " Christophe Lyon
2021-10-15 15:08   ` Richard Sandiford
2021-10-15 15:33     ` Christophe LYON
2021-10-15 15:56       ` Richard Sandiford
2021-10-13 10:15 ` [PATCH v2 13/14] arm: Convert more MVE/CDE " Christophe Lyon
2021-10-13 10:15 ` [PATCH v2 14/14] arm: Add VPR_REG to ALL_REGS Christophe Lyon
2021-10-15 15:10 ` [PATCH v2 00/14] ARM/MVE use vectors of boolean for predicates Richard Sandiford

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