From nobody Fri Apr 4 19:16:11 2025
Delivered-To: importer@patchew.org
Authentication-Results: mx.zohomail.com;
spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as
permitted sender)
smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org
Return-Path: <qemu-devel-bounces+importer=patchew.org@nongnu.org>
Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by
mx.zohomail.com
with SMTPS id 1742528791425333.16901876451345;
Thu, 20 Mar 2025 20:46:31 -0700 (PDT)
Received: from localhost ([::1] helo=lists1p.gnu.org)
by lists.gnu.org with esmtp (Exim 4.90_1)
(envelope-from <qemu-devel-bounces@nongnu.org>)
id 1tvTKE-0006Bq-LH; Thu, 20 Mar 2025 23:45:38 -0400
Received: from eggs.gnu.org ([2001:470:142:3::10])
by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
(Exim 4.90_1) (envelope-from <maobibo@loongson.cn>)
id 1tvTKC-0006Am-U8; Thu, 20 Mar 2025 23:45:36 -0400
Received: from mail.loongson.cn ([114.242.206.163])
by eggs.gnu.org with esmtp (Exim 4.90_1)
(envelope-from <maobibo@loongson.cn>)
id 1tvTK8-0002Nn-U6; Thu, 20 Mar 2025 23:45:36 -0400
Received: from loongson.cn (unknown [10.2.5.213])
by gateway (Coremail) with SMTP id _____8AxbeLX4NxnQ52fAA--.34709S3;
Fri, 21 Mar 2025 11:45:27 +0800 (CST)
Received: from localhost.localdomain (unknown [10.2.5.213])
by front1 (Coremail) with SMTP id qMiowMBxLsfR4Nxn+j9XAA--.61233S3;
Fri, 21 Mar 2025 11:45:26 +0800 (CST)
From: Bibo Mao <maobibo@loongson.cn>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: qemu-devel@nongnu.org, Song Gao <gaosong@loongson.cn>,
Yao Zi <ziyao@disroot.org>, qemu-stable@nongnu.org,
Richard Henderson <richard.henderson@linaro.org>
Subject: [PULL 1/3] host/include/loongarch64: Fix inline assembly
compatibility with Clang
Date: Fri, 21 Mar 2025 11:45:19 +0800
Message-Id: <20250321034521.2425622-2-maobibo@loongson.cn>
X-Mailer: git-send-email 2.39.3
In-Reply-To: <20250321034521.2425622-1-maobibo@loongson.cn>
References: <20250321034521.2425622-1-maobibo@loongson.cn>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
X-CM-TRANSID: qMiowMBxLsfR4Nxn+j9XAA--.61233S3
X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/
X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7
ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx
nUUI43ZEXa7xR_UUUUUUUUU==
Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17
as permitted sender) client-ip=209.51.188.17;
envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org;
helo=lists.gnu.org;
Received-SPF: pass client-ip=114.242.206.163;
envelope-from=maobibo@loongson.cn;
helo=mail.loongson.cn
X-Spam_score_int: -18
X-Spam_score: -1.9
X-Spam_bar: -
X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9,
RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,
RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,
SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no
X-Spam_action: no action
X-BeenThere: qemu-devel@nongnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org
Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org
X-ZM-MESSAGEID: 1742528794252019000
Content-Type: text/plain; charset="utf-8"
From: Yao Zi <ziyao@disroot.org>
Clang on LoongArch only accepts fp register names in the dollar-prefixed
form, while GCC allows omitting the dollar. Change registers in ASM
clobbers to the dollar-prefixed form to make user emulators buildable
with Clang on loongarch64. No functional change invovled.
Cc: qemu-stable@nongnu.org
Fixes: adc8467e697 ("host/include/loongarch64: Add atomic16 load and store")
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
---
host/include/loongarch64/host/atomic128-ldst.h.inc | 4 ++--
host/include/loongarch64/host/bufferiszero.c.inc | 6 ++++--
host/include/loongarch64/host/load-extract-al16-al8.h.inc | 2 +-
3 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/host/include/loongarch64/host/atomic128-ldst.h.inc b/host/incl=
ude/loongarch64/host/atomic128-ldst.h.inc
index 9a4a8f8b9e..754d2143f0 100644
--- a/host/include/loongarch64/host/atomic128-ldst.h.inc
+++ b/host/include/loongarch64/host/atomic128-ldst.h.inc
@@ -28,7 +28,7 @@ static inline Int128 atomic16_read_ro(const Int128 *ptr)
asm("vld $vr0, %2, 0\n\t"
"vpickve2gr.d %0, $vr0, 0\n\t"
"vpickve2gr.d %1, $vr0, 1"
- : "=3Dr"(l), "=3Dr"(h) : "r"(ptr), "m"(*ptr) : "f0");
+ : "=3Dr"(l), "=3Dr"(h) : "r"(ptr), "m"(*ptr) : "$f0");
=20
return int128_make128(l, h);
}
@@ -46,7 +46,7 @@ static inline void atomic16_set(Int128 *ptr, Int128 val)
asm("vinsgr2vr.d $vr0, %1, 0\n\t"
"vinsgr2vr.d $vr0, %2, 1\n\t"
"vst $vr0, %3, 0"
- : "=3Dm"(*ptr) : "r"(l), "r"(h), "r"(ptr) : "f0");
+ : "=3Dm"(*ptr) : "r"(l), "r"(h), "r"(ptr) : "$f0");
}
=20
#endif /* LOONGARCH_ATOMIC128_LDST_H */
diff --git a/host/include/loongarch64/host/bufferiszero.c.inc b/host/includ=
e/loongarch64/host/bufferiszero.c.inc
index 69891eac80..bb2598fdc3 100644
--- a/host/include/loongarch64/host/bufferiszero.c.inc
+++ b/host/include/loongarch64/host/bufferiszero.c.inc
@@ -61,7 +61,8 @@ static bool buffer_is_zero_lsx(const void *buf, size_t le=
n)
"2:"
: "=3D&r"(ret), "+r"(p)
: "r"(buf), "r"(e), "r"(l)
- : "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "fcc0");
+ : "$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", "$f8",
+ "$fcc0");
=20
return ret;
}
@@ -119,7 +120,8 @@ static bool buffer_is_zero_lasx(const void *buf, size_t=
len)
"3:"
: "=3D&r"(ret), "+r"(p)
: "r"(buf), "r"(e), "r"(l)
- : "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "fcc0");
+ : "$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", "$f8",
+ "$fcc0");
=20
return ret;
}
diff --git a/host/include/loongarch64/host/load-extract-al16-al8.h.inc b/ho=
st/include/loongarch64/host/load-extract-al16-al8.h.inc
index d1fb59d8af..9528521e7d 100644
--- a/host/include/loongarch64/host/load-extract-al16-al8.h.inc
+++ b/host/include/loongarch64/host/load-extract-al16-al8.h.inc
@@ -31,7 +31,7 @@ static inline uint64_t load_atom_extract_al16_or_al8(void=
*pv, int s)
asm("vld $vr0, %2, 0\n\t"
"vpickve2gr.d %0, $vr0, 0\n\t"
"vpickve2gr.d %1, $vr0, 1"
- : "=3Dr"(l), "=3Dr"(h) : "r"(ptr_align), "m"(*ptr_align) : "f0");
+ : "=3Dr"(l), "=3Dr"(h) : "r"(ptr_align), "m"(*ptr_align) : "$f0");
=20
return (l >> shr) | (h << (-shr & 63));
}
--=20
2.43.5