[03/17] target/mips: Use CP0_Config3 to set MIPS_HFLAG_MSA

Message ID	20201208003702.4088927-4-f4bug@amsat.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <kvm-owner@kernel.org> Sender: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philippe.mathieu.daude@gmail.com> From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <f4bug@amsat.org> To: qemu-devel@nongnu.org Cc: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Paolo Bonzini <pbonzini@redhat.com>, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <f4bug@amsat.org>, kvm@vger.kernel.org, Richard Henderson <richard.henderson@linaro.org>, Aurelien Jarno <aurelien@aurel32.net>, Huacai Chen <chenhuacai@kernel.org>, Jiaxun Yang <jiaxun.yang@flygoat.com> Subject: [PATCH 03/17] target/mips: Use CP0_Config3 to set MIPS_HFLAG_MSA Date: Tue, 8 Dec 2020 01:36:48 +0100 Message-Id: <20201208003702.4088927-4-f4bug@amsat.org> In-Reply-To: <20201208003702.4088927-1-f4bug@amsat.org> References: <20201208003702.4088927-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	target/mips: Convert MSA ASE to decodetree \| expand [00/17] target/mips: Convert MSA ASE to decodetree [01/17] target/mips: Introduce ase_msa_available() helper [02/17] target/mips: Simplify msa_reset() [03/17] target/mips: Use CP0_Config3 to set MIPS_HFLAG_MSA [04/17] target/mips: Simplify MSA TCG logic [05/17] target/mips: Remove now unused ASE_MSA definition [06/17] target/mips: Alias MSA vector registers on FPU scalar registers [07/17] target/mips: Extract msa_translate_init() from mips_tcg_init() [08/17] target/mips: Remove CPUMIPSState* argument from gen_msa*() methods [09/17] target/mips: Explode gen_msa_branch() as gen_msa_BxZ_V/BxZ() [10/17] target/mips: Rename msa_helper.c as mod-msa_helper.c [11/17] target/mips: Move msa_reset() to mod-msa_helper.c [12/17] target/mips: Extract MSA helpers from op_helper.c [13/17] target/mips: Extract MSA helper definitions [14/17] target/mips: Declare gen_msa/_branch() in 'translate.h' [16/17] target/mips: Introduce decode tree bindings for MSA opcodes [17/17] target/mips: Use decode_msa32() generated from decodetree

Message ID

20201208003702.4088927-4-f4bug@amsat.org (mailing list archive)

State

New, archived

Headers

Sender: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?=
  <philippe.mathieu.daude@gmail.com>
From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <f4bug@amsat.org>
To: qemu-devel@nongnu.org
Cc: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>,
 Paolo Bonzini <pbonzini@redhat.com>,
 =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <f4bug@amsat.org>,
 kvm@vger.kernel.org, Richard Henderson <richard.henderson@linaro.org>,
 Aurelien Jarno <aurelien@aurel32.net>, Huacai Chen <chenhuacai@kernel.org>,
 Jiaxun Yang <jiaxun.yang@flygoat.com>
Subject: [PATCH 03/17] target/mips: Use CP0_Config3 to set MIPS_HFLAG_MSA
Date: Tue,  8 Dec 2020 01:36:48 +0100
Message-Id: <20201208003702.4088927-4-f4bug@amsat.org>
In-Reply-To: <20201208003702.4088927-1-f4bug@amsat.org>
References: <20201208003702.4088927-1-f4bug@amsat.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Precedence: bulk

Series

target/mips: Convert MSA ASE to decodetree | expand

Commit Message

Philippe Mathieu-Daudé Dec. 8, 2020, 12:36 a.m. UTC

MSA presence is expressed by the MSAP bit of CP0_Config3.
We don't need to check anything else.

Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 target/mips/internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/mips/internal.h b/target/mips/internal.h
index 6b9d1d4b93b..3bd41239b1d 100644
--- a/target/mips/internal.h
+++ b/target/mips/internal.h
@@ -379,7 +379,7 @@  static inline void compute_hflags(CPUMIPSState *env)
             env->hflags |= MIPS_HFLAG_COP1X;
         }
     }
-    if (env->insn_flags & ASE_MSA) {
+    if (ase_msa_available(env)) {
         if (env->CP0_Config5 & (1 << CP0C5_MSAEn)) {
             env->hflags |= MIPS_HFLAG_MSA;
         }

[03/17] target/mips: Use CP0_Config3 to set MIPS_HFLAG_MSA

Commit Message

Patch