* [PATCH] x86: XOP shift insns don't really allow B suffix
@ 2022-08-01 9:15 Jan Beulich
2022-08-01 17:48 ` H.J. Lu
0 siblings, 1 reply; 2+ messages in thread
From: Jan Beulich @ 2022-08-01 9:15 UTC (permalink / raw)
To: Binutils
By mistake it was permitted to be used from the very introduction of XOP
support.
--- a/opcodes/i386-opc.tbl
+++ b/opcodes/i386-opc.tbl
@@ -1994,10 +1994,10 @@ vpmacsww, 0x95, None, CpuXOP, Modrm|Spac
vpmadcsswd, 0xa6, None, CpuXOP, Modrm|SpaceXOP08|VexSources=2|VexVVVV=1|VexW=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Vex, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM, RegXMM }
vpmadcswd, 0xb6, None, CpuXOP, Modrm|SpaceXOP08|VexSources=2|VexVVVV=1|VexW=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Vex, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM, RegXMM }
vpperm, 0xa3, None, CpuXOP, D|Modrm|SpaceXOP08|VexSources=2|VexVVVV|VexW0|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Vex, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM, RegXMM }
-vprot<xop_elem>, 0x90 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
-vprot<xop_elem>, 0xc0 | <xop_elem:opc>, None, CpuXOP, Modrm|Vex128|SpaceXOP08|VexW0|VexSources=1|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { Imm8, RegXMM|Unspecified|BaseIndex, RegXMM }
-vpsha<xop_elem>, 0x98 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
-vpshl<xop_elem>, 0x94 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
+vprot<xop_elem>, 0x90 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
+vprot<xop_elem>, 0xc0 | <xop_elem:opc>, None, CpuXOP, Modrm|Vex128|SpaceXOP08|VexW0|VexSources=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { Imm8, RegXMM|Unspecified|BaseIndex, RegXMM }
+vpsha<xop_elem>, 0x98 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
+vpshl<xop_elem>, 0x94 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
// LWP instructions
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] x86: XOP shift insns don't really allow B suffix
2022-08-01 9:15 [PATCH] x86: XOP shift insns don't really allow B suffix Jan Beulich
@ 2022-08-01 17:48 ` H.J. Lu
0 siblings, 0 replies; 2+ messages in thread
From: H.J. Lu @ 2022-08-01 17:48 UTC (permalink / raw)
To: Jan Beulich; +Cc: Binutils
On Mon, Aug 1, 2022 at 2:15 AM Jan Beulich <jbeulich@suse.com> wrote:
>
> By mistake it was permitted to be used from the very introduction of XOP
> support.
>
> --- a/opcodes/i386-opc.tbl
> +++ b/opcodes/i386-opc.tbl
> @@ -1994,10 +1994,10 @@ vpmacsww, 0x95, None, CpuXOP, Modrm|Spac
> vpmadcsswd, 0xa6, None, CpuXOP, Modrm|SpaceXOP08|VexSources=2|VexVVVV=1|VexW=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Vex, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM, RegXMM }
> vpmadcswd, 0xb6, None, CpuXOP, Modrm|SpaceXOP08|VexSources=2|VexVVVV=1|VexW=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Vex, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM, RegXMM }
> vpperm, 0xa3, None, CpuXOP, D|Modrm|SpaceXOP08|VexSources=2|VexVVVV|VexW0|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|Vex, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM, RegXMM }
> -vprot<xop_elem>, 0x90 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
> -vprot<xop_elem>, 0xc0 | <xop_elem:opc>, None, CpuXOP, Modrm|Vex128|SpaceXOP08|VexW0|VexSources=1|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { Imm8, RegXMM|Unspecified|BaseIndex, RegXMM }
> -vpsha<xop_elem>, 0x98 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
> -vpshl<xop_elem>, 0x94 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
> +vprot<xop_elem>, 0x90 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
> +vprot<xop_elem>, 0xc0 | <xop_elem:opc>, None, CpuXOP, Modrm|Vex128|SpaceXOP08|VexW0|VexSources=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { Imm8, RegXMM|Unspecified|BaseIndex, RegXMM }
> +vpsha<xop_elem>, 0x98 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
> +vpshl<xop_elem>, 0x94 | <xop_elem:opc>, None, CpuXOP, D|Modrm|Vex128|SpaceXOP09|VexW0|VexSources=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|No_qSuf, { RegXMM, RegXMM|Unspecified|BaseIndex, RegXMM }
>
> // LWP instructions
>
OK.
Thanks.
--
H.J.
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2022-08-01 9:15 [PATCH] x86: XOP shift insns don't really allow B suffix Jan Beulich
2022-08-01 17:48 ` H.J. Lu
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