From: Xi Ruoyao <xry111@xry111.site>
To: chenxiaolong <chenxiaolong@loongson.cn>, gcc-patches@gcc.gnu.org
Cc: i@xen0n.name, xuchenghua@loongson.cn, chenglulu@loongson.cn
Subject: Re: [PATCH v1] LoongArch: Add modifiers for lsx and lasx.
Date: Tue, 07 Nov 2023 19:13:01 +0800 [thread overview]
Message-ID: <ed8d7cc8ba0092c5ac2cfc6e93bfe19ebe169ffe.camel@xry111.site> (raw)
In-Reply-To: <d6830811341c66dac8df527c59deae7c161e60c6.camel@xry111.site>
On Tue, 2023-11-07 at 19:10 +0800, Xi Ruoyao wrote:
> On Tue, 2023-11-07 at 12:06 +0800, chenxiaolong wrote:
> > +__m128i a,b,c;
> > +
> > +__asm__ ("vadd.d %w0,%w1,%w2\n\t"
> > + :"=f" (c)
> > + :"f" (a),"f" (b)
> > + :"cc");
>
> This example does not work for me, with the definition of __m128i in
> another patch:
>
> typedef long long __m128i __attribute__ ((__vector_size__ (16), __may_alias__));
>
> __m128i a,b,c;
>
> void t(void) {
> __asm__ ("vadd.d %w0,%w1,%w2\n\t"
> :"=f" (c)
> :"f" (a),"f" (b)
> :"cc");
> }
>
> t1.c: In function ‘t’:
> t1.c:6:1: error: inconsistent operand constraints in an ‘asm’
> 6 | __asm__ ("vadd.d %w0,%w1,%w2\n\t"
>
> Please recheck.
Sorry, I didn't added -mlasx :(.
--
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University
prev parent reply other threads:[~2023-11-07 11:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-07 4:06 chenxiaolong
2023-11-07 11:10 ` Xi Ruoyao
2023-11-07 11:13 ` Xi Ruoyao [this message]
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