* [PATCH] x86: replace wrong attributes on VCVTDQ2PH{X,Y}
@ 2022-07-20 16:05 Jan Beulich
2022-07-20 17:00 ` H.J. Lu
0 siblings, 1 reply; 2+ messages in thread
From: Jan Beulich @ 2022-07-20 16:05 UTC (permalink / raw)
To: Binutils
A standalone (without SAE) StaticRounding attribute is meaningless, and
indeed all other similar insns have ATTSyntax there instead. I can only
assume this was some strange copy-and-paste mistake.
---
Yet another candidate for 2.39 I think.
--- a/opcodes/i386-opc.tbl
+++ b/opcodes/i386-opc.tbl
@@ -3560,8 +3560,8 @@ vucomish, 0x2e, None, CpuAVX512_FP16, Mo
vcvtdq2ph, 0x5b, None, CpuAVX512_FP16, Modrm|EVex512|Masking=3|EVexMap5|VexW0|Broadcast|Disp8MemShift=6|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|StaticRounding|SAE, { RegZMM|Dword|Unspecified|BaseIndex, RegYMM }
vcvtdq2ph, 0x5b, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|Masking=3|EVexMap5|VexW0|Broadcast|Disp8ShiftVL|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM|RegYMM|Dword|BaseIndex, RegXMM }
-vcvtdq2phx, 0x5b, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|EVex128|Masking=3|EVexMap5|VexW0|Disp8MemShift=4|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|StaticRounding, { RegXMM|Unspecified|BaseIndex, RegXMM }
-vcvtdq2phy, 0x5b, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|EVex256|Masking=3|EVexMap5|VexW0|Disp8MemShift=5|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|StaticRounding, { RegYMM|Unspecified|BaseIndex, RegXMM }
+vcvtdq2phx, 0x5b, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|EVex128|Masking=3|EVexMap5|VexW0|Disp8MemShift=4|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTSyntax, { RegXMM|Unspecified|BaseIndex, RegXMM }
+vcvtdq2phy, 0x5b, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|EVex256|Masking=3|EVexMap5|VexW0|Disp8MemShift=5|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTSyntax, { RegYMM|Unspecified|BaseIndex, RegXMM }
vcvtudq2ph, 0xf27a, None, CpuAVX512_FP16, Modrm|EVex512|Masking=3|EVexMap5|VexW0|Broadcast|Disp8MemShift=6|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|StaticRounding|SAE, { RegZMM|Dword|Unspecified|BaseIndex, RegYMM }
vcvtudq2ph, 0xf27a, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|Masking=3|EVexMap5|VexW0|Broadcast|Disp8ShiftVL|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM|RegYMM|Dword|BaseIndex, RegXMM }
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] x86: replace wrong attributes on VCVTDQ2PH{X,Y}
2022-07-20 16:05 [PATCH] x86: replace wrong attributes on VCVTDQ2PH{X,Y} Jan Beulich
@ 2022-07-20 17:00 ` H.J. Lu
0 siblings, 0 replies; 2+ messages in thread
From: H.J. Lu @ 2022-07-20 17:00 UTC (permalink / raw)
To: Jan Beulich; +Cc: Binutils
On Wed, Jul 20, 2022 at 9:05 AM Jan Beulich <jbeulich@suse.com> wrote:
>
> A standalone (without SAE) StaticRounding attribute is meaningless, and
> indeed all other similar insns have ATTSyntax there instead. I can only
> assume this was some strange copy-and-paste mistake.
Correct. These 2 instructions don't support static rounding.
> ---
> Yet another candidate for 2.39 I think.
OK for master and 2.39 branch.
Thanks.
> --- a/opcodes/i386-opc.tbl
> +++ b/opcodes/i386-opc.tbl
> @@ -3560,8 +3560,8 @@ vucomish, 0x2e, None, CpuAVX512_FP16, Mo
>
> vcvtdq2ph, 0x5b, None, CpuAVX512_FP16, Modrm|EVex512|Masking=3|EVexMap5|VexW0|Broadcast|Disp8MemShift=6|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|StaticRounding|SAE, { RegZMM|Dword|Unspecified|BaseIndex, RegYMM }
> vcvtdq2ph, 0x5b, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|Masking=3|EVexMap5|VexW0|Broadcast|Disp8ShiftVL|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM|RegYMM|Dword|BaseIndex, RegXMM }
> -vcvtdq2phx, 0x5b, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|EVex128|Masking=3|EVexMap5|VexW0|Disp8MemShift=4|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|StaticRounding, { RegXMM|Unspecified|BaseIndex, RegXMM }
> -vcvtdq2phy, 0x5b, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|EVex256|Masking=3|EVexMap5|VexW0|Disp8MemShift=5|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|StaticRounding, { RegYMM|Unspecified|BaseIndex, RegXMM }
> +vcvtdq2phx, 0x5b, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|EVex128|Masking=3|EVexMap5|VexW0|Disp8MemShift=4|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTSyntax, { RegXMM|Unspecified|BaseIndex, RegXMM }
> +vcvtdq2phy, 0x5b, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|EVex256|Masking=3|EVexMap5|VexW0|Disp8MemShift=5|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ATTSyntax, { RegYMM|Unspecified|BaseIndex, RegXMM }
>
> vcvtudq2ph, 0xf27a, None, CpuAVX512_FP16, Modrm|EVex512|Masking=3|EVexMap5|VexW0|Broadcast|Disp8MemShift=6|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|StaticRounding|SAE, { RegZMM|Dword|Unspecified|BaseIndex, RegYMM }
> vcvtudq2ph, 0xf27a, None, CpuAVX512_FP16|CpuAVX512VL, Modrm|Masking=3|EVexMap5|VexW0|Broadcast|Disp8ShiftVL|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM|RegYMM|Dword|BaseIndex, RegXMM }
--
H.J.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-07-20 16:05 [PATCH] x86: replace wrong attributes on VCVTDQ2PH{X,Y} Jan Beulich
2022-07-20 17:00 ` H.J. Lu
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