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Re: [PATCH] x86: disambiguate disassembly of certain AVX512 insns
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Jan Beulich <JBeulich at suse dot com>
- Cc: Binutils <binutils at sourceware dot org>
- Date: Thu, 23 Apr 2015 05:49:38 -0700
- Subject: Re: [PATCH] x86: disambiguate disassembly of certain AVX512 insns
- Authentication-results: sourceware.org; auth=none
- References: <552FEABC0200007800072D4D at mail dot emea dot novell dot com>
On Thu, Apr 16, 2015 at 8:00 AM, Jan Beulich <JBeulich@suse.com> wrote:
> Certain conversion operations as well as vfpclassp{d,s} are ambiguous
> when the input operand is in memory and no broadcast is being used.
> While in Intel mode this gets resolved by printing suitable operand
> size modifiers, AT&T mode need mnemonic suffixes to be added.
>
> gas/testsuite/
> 2015-04-16 Jan Beulich <jbeulich@suse.com>
>
> * gas/i386/avx512dq.d: Add 'z' suffix to vfpclassp{d,s} non-
> register, non-broadcast cases.
> * gas/i386/x86-64-avx512dq.d: Likewise.
> * gas/i386/avx512dq_vl.d: Add 'x' and 'y' suffixes to
> vcvt{,u}qq2ps and vfpclassp{d,s} non-register, non-broadcast
> cases.
> * gas/i386/x86-64-avx512dq_vl.d: Likewise.
> * gas/i386/avx512f_vl.d: Add 'x' and 'y' suffixes to
> vcvt{,t}pd2{,u}dq and vcvtpd2ps non-register, non-broadcast
> cases.
> * gas/i386/x86-64-avx512f_vl.d: Likewise.
>
> opcodes/
> 2015-04-16 Jan Beulich <jbeulich@suse.com>
>
> * i386-dis.c (putop): Extend "XY" handling to AVX512. Handle "XZ".
> * i386-dis-evex.h.c (vcvtpd2ps, vcvtqq2ps, vcvttpd2udq,
> vcvtpd2udq, vcvtuqq2ps, vcvttpd2dq, vcvtpd2dq): Add %XY.
> (vfpclasspd, vfpclassps): Add %XZ.
>
It is OK. Thanks.
--
H.J.