Re: [PATCH v3 04/11] target/s390x: vxeh2: Update for changes to vector shifts

2022-03-21 Thread David Hildenbrand
On 08.03.22 02:53, Richard Henderson wrote: > From: David Miller > > Prior to vector enhancements 2, the shift count was supposed to be equal > for each byte lest the result be unpredictable, which allowed us to assume > that the shift count was the same, and optimize accordingly. > > With vecto

[PATCH v3 04/11] target/s390x: vxeh2: Update for changes to vector shifts

2022-03-07 Thread Richard Henderson
From: David Miller Prior to vector enhancements 2, the shift count was supposed to be equal for each byte lest the result be unpredictable, which allowed us to assume that the shift count was the same, and optimize accordingly. With vector enhancements 2, the shift count is allowed to be differe