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Re: [PATCH v3 1/3] s390x/tcg: Implement Miscellaneous-Instruction-Extens
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From: |
David Hildenbrand |
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Subject: |
Re: [PATCH v3 1/3] s390x/tcg: Implement Miscellaneous-Instruction-Extensions Facility 3 for the s390x |
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Date: |
Wed, 16 Feb 2022 12:18:28 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 |
> /* Really format SS_b, but we pack both lengths into one argument
> @@ -735,6 +753,9 @@
> /* PACK UNICODE */
> C(0xe100, PKU, SS_f, E2, la1, a2, 0, 0, pku, 0)
> +/* POPULATION COUNT */
> + C(0xb9e1, POPCNT, RRE, PC, 0, r2_o, r1, 0, popcnt, nz64)
You actually need RRF_c instead of RRE.
Otherwise QEMU aborts when the guest executes POPCNT as RRE does not
include the m3 field.
--
Thanks,
David / dhildenb