From: Ramana Radhakrishnan <ramana.gcc@googlemail.com>
To: Matthew Wahab <matthew.wahab@foss.arm.com>
Cc: gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH 7/17][ARM] Add FP16 data movement instructions.
Date: Wed, 27 Jul 2016 14:01:00 -0000 [thread overview]
Message-ID: <CAJA7tRamLUeC3MyuDi2zy8A2PzN2NyMvUN2rSzXBj17dYkFvVQ@mail.gmail.com> (raw)
In-Reply-To: <577A6B47.9010803@foss.arm.com>
On Mon, Jul 4, 2016 at 2:57 PM, Matthew Wahab
<matthew.wahab@foss.arm.com> wrote:
> On 17/05/16 15:34, Matthew Wahab wrote:
>> The ARMv8.2-A FP16 extension adds a number of instructions to support
>> data movement for FP16 values. This patch adds these instructions to the
>> backend, making them available to the compiler code generator.
>
> This updates the expected output for the test added by the patch since
> gcc now generates ldrh/strh for some indexed loads/stores which were
> previously done with vld1/vstr1.
>
> Tested the series for arm-none-linux-gnueabihf with native bootstrap and
> make check and for arm-none-eabi and armeb-none-eabi with make check on
> an ARMv8.2-A emulator.
>
> 2016-07-04 Matthew Wahab <matthew.wahab@arm.com>
> Jiong Wang <jiong.wang@arm.com>
>
> * config/arm/arm.c (coproc_secondary_reload_class): Make HFmode
> available when FP16 instructions are available.
> (output_move_vfp): Add support for 16-bit data moves.
> (arm_validize_comparison): Fix some white-space. Support HFmode
> by conversion to SFmode.
> * config/arm/arm.md (truncdfhf2): Fix a comment.
> (extendhfdf2): Likewise.
> (cstorehf4): New.
> (movsicc): Fix some white-space.
> (movhfcc): New.
> (movsfcc): Fix some white-space.
> (*cmovhf): New.
> * config/arm/vfp.md (*arm_movhi_vfp): Disable when VFP FP16
> instructions are available.
> (*thumb2_movhi_vfp): Likewise.
> (*arm_movhi_fp16): New.
> (*thumb2_movhi_fp16): New.
> (*movhf_vfp_fp16): New.
> (*movhf_vfp_neon): Disable when VFP FP16 instructions are
> available.
> (*movhf_vfp): Likewise.
> (extendhfsf2): Enable when VFP FP16 instructions are available.
> (truncsfhf2): Enable when VFP FP16 instructions are available.
>
> testsuite/
> 2016-07-04 Matthew Wahab <matthew.wahab@arm.com>
>
> * gcc.target/arm/armv8_2_fp16-move-1.c: New.
>
OK.
Thanks,
Ramana
next prev parent reply other threads:[~2016-07-27 14:01 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-17 14:20 [PATCH 0/17][ARM] ARMv8.2-A and FP16 extension support Matthew Wahab
2016-05-17 14:23 ` [PATCH 1/17][ARM] Add ARMv8.2-A command line option and profile Matthew Wahab
2016-07-04 13:46 ` Matthew Wahab
2016-09-21 13:57 ` Ramana Radhakrishnan
2016-05-17 14:25 ` [PATCH 2/17][Testsuite] Add a selector for ARM FP16 alternative format support Matthew Wahab
2016-07-27 13:34 ` Ramana Radhakrishnan
2016-05-17 14:26 ` [PATCH 3/17][Testsuite] Add ARM support for ARMv8.2-A with FP16 arithmetic instructions Matthew Wahab
2016-07-04 13:49 ` Matthew Wahab
2016-07-27 13:34 ` Ramana Radhakrishnan
2016-05-17 14:28 ` [PATCH 4/17][ARM] Define feature macros for FP16 Matthew Wahab
2016-07-27 13:35 ` Ramana Radhakrishnan
2016-05-17 14:29 ` [PATCH 5/17][ARM] Enable HI mode moves for floating point values Matthew Wahab
2016-07-27 13:57 ` Ramana Radhakrishnan
2016-09-26 13:20 ` Christophe Lyon
2016-09-26 13:26 ` Matthew Wahab
2016-05-17 14:32 ` [PATCH 6/17][ARM] Add data processing intrinsics for float16_t Matthew Wahab
2016-07-27 13:59 ` Ramana Radhakrishnan
2016-09-25 14:44 ` Christophe Lyon
2016-09-26 9:56 ` Matthew Wahab
2016-09-26 12:54 ` Christophe Lyon
2016-09-26 13:11 ` Ramana Radhakrishnan
2016-09-26 13:19 ` Matthew Wahab
2016-09-26 13:21 ` Christophe Lyon
2016-09-26 20:02 ` Christophe Lyon
2016-05-17 14:34 ` [PATCH 7/17][ARM] Add FP16 data movement instructions Matthew Wahab
2016-07-04 13:57 ` Matthew Wahab
2016-07-27 14:01 ` Ramana Radhakrishnan [this message]
2016-05-17 14:36 ` [PATCH 8/17][ARM] Add VFP FP16 arithmetic instructions Matthew Wahab
2016-05-18 0:52 ` Joseph Myers
2016-05-18 0:57 ` Joseph Myers
2016-05-18 13:40 ` Matthew Wahab
2016-05-18 15:21 ` Joseph Myers
2016-05-19 14:54 ` Matthew Wahab
2016-07-04 14:02 ` Matthew Wahab
2016-07-28 11:37 ` Ramana Radhakrishnan
2016-08-03 11:52 ` Ramana Radhakrishnan
2016-08-03 13:10 ` Matthew Wahab
2016-08-03 14:45 ` James Greenhalgh
2016-08-03 17:44 ` Joseph Myers
2016-05-17 14:37 ` [PATCH 9/17][ARM] Add NEON " Matthew Wahab
2016-05-18 0:58 ` Joseph Myers
2016-05-19 17:01 ` Jiong Wang
2016-05-19 17:29 ` Joseph Myers
2016-06-08 8:46 ` James Greenhalgh
2016-06-08 20:02 ` Joseph Myers
2016-07-04 14:09 ` Matthew Wahab
2016-07-28 11:53 ` Ramana Radhakrishnan
2016-05-17 14:39 ` [PATCH 10/17][ARM] Refactor support code for NEON builtins Matthew Wahab
2016-07-28 11:54 ` Ramana Radhakrishnan
2016-12-05 16:47 ` [arm-embedded][committed][PATCH 10/17] " Andre Vieira (lists)
2016-05-17 14:41 ` [PATCH 11/17][ARM] Add builtins for VFP FP16 intrinsics Matthew Wahab
2016-07-04 14:12 ` Matthew Wahab
2016-07-28 11:55 ` Ramana Radhakrishnan
2016-05-17 14:43 ` [PATCH 12/17][ARM] Add builtins for NEON " Matthew Wahab
2016-07-04 14:13 ` Matthew Wahab
2016-07-28 11:56 ` Ramana Radhakrishnan
2016-05-17 14:44 ` [PATCH 13/17][ARM] Add VFP FP16 instrinsics Matthew Wahab
2016-07-04 14:14 ` Matthew Wahab
2016-07-28 11:57 ` Ramana Radhakrishnan
2016-05-17 14:47 ` [PATCH 14/17][ARM] Add NEON " Matthew Wahab
2016-07-04 14:16 ` Matthew Wahab
2016-08-03 12:57 ` Ramana Radhakrishnan
2016-05-17 14:49 ` [PATCH 15/17][ARM] Add tests for ARMv8.2-A FP16 support Matthew Wahab
2016-07-04 14:17 ` Matthew Wahab
2016-08-04 8:34 ` Ramana Radhakrishnan
2016-05-17 14:51 ` [PATCH 16/17][ARM] Add tests for VFP FP16 ACLE instrinsics Matthew Wahab
2016-05-18 1:07 ` Joseph Myers
2016-05-18 10:58 ` Matthew Wahab
2016-07-04 14:18 ` Matthew Wahab
2016-08-04 8:35 ` Ramana Radhakrishnan
2016-05-17 14:52 ` [PATCH 17/17][ARM] Add tests for NEON FP16 ACLE intrinsics Matthew Wahab
2016-07-04 14:22 ` Matthew Wahab
2016-08-04 9:01 ` Ramana Radhakrishnan
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