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From: Kyrylo Tkachov <Kyrylo.Tkachov@arm.com>
To: Christophe Lyon <Christophe.Lyon@arm.com>,
	"gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Subject: RE: [PATCH] arm: Fix constant immediates predicates and constraints for some MVE builtins
Date: Wed, 7 Sep 2022 13:34:12 +0000	[thread overview]
Message-ID: <AS8PR08MB69180FDD853B94711DB88D9893419@AS8PR08MB6918.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20220907130239.155140-1-christophe.lyon@arm.com>

Hi Christophe,

> -----Original Message-----
> From: Gcc-patches <gcc-patches-
> bounces+kyrylo.tkachov=arm.com@gcc.gnu.org> On Behalf Of Christophe
> Lyon via Gcc-patches
> Sent: Wednesday, September 7, 2022 2:03 PM
> To: gcc-patches@gcc.gnu.org
> Subject: [PATCH] arm: Fix constant immediates predicates and constraints for
> some MVE builtins
> 
> Several MVE builtins incorrectly use the same predicate/constraint
> pair for several modes, which does not match the specification.
> This patch uses the appropriate iterator instead.
> 

This looks ok to me.
I presume you've tested this appropriately?
If so, ok for trunk.
Thanks,
Kyrill

> 2022-09-06  Christophe Lyon  <christophe.lyon@arm.com>
> 
> 	gcc/
> 	* config/arm/mve.md (mve_vqshluq_n_s<mode>): Use
> 	MVE_pred/MVE_constraint instead of mve_imm_7/Ra.
> 	(mve_vqshluq_m_n_s<mode>): Likewise.
> 	(mve_vqrshrnbq_n_<supf><mode>): Use
> MVE_pred3/MVE_constraint3
> 	instead of mve_imm_8/Rb.
> 	(mve_vqrshrunbq_n_s<mode>): Likewise.
> 	(mve_vqrshrntq_n_<supf><mode>): Likewise.
> 	(mve_vqrshruntq_n_s<mode>): Likewise.
> 	(mve_vrshrnbq_n_<supf><mode>): Likewise.
> 	(mve_vrshrntq_n_<supf><mode>): Likewise.
> 	(mve_vqrshrnbq_m_n_<supf><mode>): Likewise.
> 	(mve_vqrshrntq_m_n_<supf><mode>): Likewise.
> 	(mve_vrshrnbq_m_n_<supf><mode>): Likewise.
> 	(mve_vrshrntq_m_n_<supf><mode>): Likewise.
> 	(mve_vqrshrunbq_m_n_s<mode>): Likewise.
> 	(mve_vsriq_n_<supf><mode): Use MVE_pred2/MVE_constraint2
> instead
> 	of mve_imm_selective_upto_8/Rg.
> 	(mve_vsriq_m_n_<supf><mode>): Likewise.
> ---
>  gcc/config/arm/mve.md | 30 +++++++++++++++---------------
>  1 file changed, 15 insertions(+), 15 deletions(-)
> 
> diff --git a/gcc/config/arm/mve.md b/gcc/config/arm/mve.md
> index c4dec01baac..714178609f7 100644
> --- a/gcc/config/arm/mve.md
> +++ b/gcc/config/arm/mve.md
> @@ -1624,7 +1624,7 @@ (define_insn "mve_vqshluq_n_s<mode>"
>    [
>     (set (match_operand:MVE_2 0 "s_register_operand" "=w")
>  	(unspec:MVE_2 [(match_operand:MVE_2 1 "s_register_operand"
> "w")
> -		       (match_operand:SI 2 "mve_imm_7" "Ra")]
> +		       (match_operand:SI 2 "<MVE_pred>"
> "<MVE_constraint>")]
>  	 VQSHLUQ_N_S))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -2615,7 +2615,7 @@ (define_insn "mve_vqrshrnbq_n_<supf><mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  				 (match_operand:MVE_5 2
> "s_register_operand" "w")
> -				 (match_operand:SI 3 "mve_imm_8" "Rb")]
> +				 (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")]
>  	 VQRSHRNBQ_N))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -2630,7 +2630,7 @@ (define_insn "mve_vqrshrunbq_n_s<mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  				 (match_operand:MVE_5 2
> "s_register_operand" "w")
> -				 (match_operand:SI 3 "mve_imm_8" "Rb")]
> +				 (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")]
>  	 VQRSHRUNBQ_N_S))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -3570,7 +3570,7 @@ (define_insn "mve_vsriq_n_<supf><mode>"
>     (set (match_operand:MVE_2 0 "s_register_operand" "=w")
>  	(unspec:MVE_2 [(match_operand:MVE_2 1 "s_register_operand"
> "0")
>  		       (match_operand:MVE_2 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_selective_upto_8"
> "Rg")]
> +		       (match_operand:SI 3 "<MVE_pred2>"
> "<MVE_constraint2>")]
>  	 VSRIQ_N))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -4473,7 +4473,7 @@ (define_insn "mve_vqrshrntq_n_<supf><mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  		       (match_operand:MVE_5 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_8" "Rb")]
> +		       (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")]
>  	 VQRSHRNTQ_N))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -4489,7 +4489,7 @@ (define_insn "mve_vqrshruntq_n_s<mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  		       (match_operand:MVE_5 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_8" "Rb")]
> +		       (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")]
>  	 VQRSHRUNTQ_N_S))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -4777,7 +4777,7 @@ (define_insn "mve_vrshrnbq_n_<supf><mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  		       (match_operand:MVE_5 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_8" "Rb")]
> +		       (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")]
>  	 VRSHRNBQ_N))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -4793,7 +4793,7 @@ (define_insn "mve_vrshrntq_n_<supf><mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  		       (match_operand:MVE_5 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_8" "Rb")]
> +		       (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")]
>  	 VRSHRNTQ_N))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -4987,7 +4987,7 @@ (define_insn "mve_vqshluq_m_n_s<mode>"
>     (set (match_operand:MVE_2 0 "s_register_operand" "=w")
>  	(unspec:MVE_2 [(match_operand:MVE_2 1 "s_register_operand"
> "0")
>  		       (match_operand:MVE_2 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_7" "Ra")
> +		       (match_operand:SI 3 "<MVE_pred>"
> "<MVE_constraint>")
>  		       (match_operand:<MVE_VPRED> 4
> "vpr_register_operand" "Up")]
>  	 VQSHLUQ_M_N_S))
>    ]
> @@ -5019,7 +5019,7 @@ (define_insn "mve_vsriq_m_n_<supf><mode>"
>     (set (match_operand:MVE_2 0 "s_register_operand" "=w")
>  	(unspec:MVE_2 [(match_operand:MVE_2 1 "s_register_operand"
> "0")
>  		       (match_operand:MVE_2 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_selective_upto_8" "Rg")
> +		       (match_operand:SI 3 "<MVE_pred2>"
> "<MVE_constraint2>")
>  		       (match_operand:<MVE_VPRED> 4
> "vpr_register_operand" "Up")]
>  	 VSRIQ_M_N))
>    ]
> @@ -6138,7 +6138,7 @@ (define_insn
> "mve_vqrshrnbq_m_n_<supf><mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  		       (match_operand:MVE_5 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_8" "Rb")
> +		       (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")
>  		       (match_operand:<MVE_VPRED> 4
> "vpr_register_operand" "Up")]
>  	 VQRSHRNBQ_M_N))
>    ]
> @@ -6155,7 +6155,7 @@ (define_insn
> "mve_vqrshrntq_m_n_<supf><mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  		       (match_operand:MVE_5 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_8" "Rb")
> +		       (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")
>  		       (match_operand:<MVE_VPRED> 4
> "vpr_register_operand" "Up")]
>  	 VQRSHRNTQ_M_N))
>    ]
> @@ -6223,7 +6223,7 @@ (define_insn
> "mve_vrshrnbq_m_n_<supf><mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  		       (match_operand:MVE_5 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_8" "Rb")
> +		       (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")
>  		       (match_operand:<MVE_VPRED> 4
> "vpr_register_operand" "Up")]
>  	 VRSHRNBQ_M_N))
>    ]
> @@ -6240,7 +6240,7 @@ (define_insn "mve_vrshrntq_m_n_<supf><mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  		       (match_operand:MVE_5 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_8" "Rb")
> +		       (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")
>  		       (match_operand:<MVE_VPRED> 4
> "vpr_register_operand" "Up")]
>  	 VRSHRNTQ_M_N))
>    ]
> @@ -6461,7 +6461,7 @@ (define_insn "mve_vqrshrunbq_m_n_s<mode>"
>     (set (match_operand:<V_narrow_pack> 0 "s_register_operand" "=w")
>  	(unspec:<V_narrow_pack> [(match_operand:<V_narrow_pack> 1
> "s_register_operand" "0")
>  		       (match_operand:MVE_5 2 "s_register_operand" "w")
> -		       (match_operand:SI 3 "mve_imm_8" "Rb")
> +		       (match_operand:SI 3 "<MVE_pred3>"
> "<MVE_constraint3>")
>  		       (match_operand:<MVE_VPRED> 4
> "vpr_register_operand" "Up")]
>  	 VQRSHRUNBQ_M_N_S))
>    ]
> --
> 2.34.1


  reply	other threads:[~2022-09-07 13:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-07 13:02 Christophe Lyon
2022-09-07 13:34 ` Kyrylo Tkachov [this message]
2022-09-07 13:41   ` Christophe Lyon
2022-09-07 13:42     ` Kyrylo Tkachov
2022-09-07 16:58       ` Christophe Lyon
2022-09-08 13:57         ` Kyrylo Tkachov

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