|
| From: | Richard Henderson |
| Subject: | Re: [qemu-s390x] [Qemu-devel] [PATCH v2 11/28] s390x/tcg: MVCS/MVCP: Properly wrap the length |
| Date: | Wed, 11 Sep 2019 11:11:53 -0400 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 |
On 9/6/19 3:57 AM, David Hildenbrand wrote:
> + l = wrap_length(env, l);
> if (l > 256) {
> /* max 256 */
> l = 256;
> cc = 3;
> + } else if (!l) {
> + return cc;
> }
Um, wrap_length only takes 31 bits.
These insns take 32 bits in 24/31-bit modes.
r~
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