Re: [PATCH] target/ppc: Change VSX instructions behavior to fill with zeros

2022-02-09 Thread Cédric Le Goater
On 2/4/22 19:19, Víctor Colombo wrote: ISA v3.1 changed some VSX instructions behavior by changing what the other words/doubleword in the result should contain when the result is only one word/doubleword. e.g. xsmaxdp operates on doubleword 0 and saves the result also in doubleword 0. Before,

Re: [PATCH] target/ppc: Change VSX instructions behavior to fill with zeros

2022-02-05 Thread Richard Henderson
On 2/5/22 05:19, Víctor Colombo wrote: ISA v3.1 changed some VSX instructions behavior by changing what the other words/doubleword in the result should contain when the result is only one word/doubleword. e.g. xsmaxdp operates on doubleword 0 and saves the result also in doubleword 0. Before,

[PATCH] target/ppc: Change VSX instructions behavior to fill with zeros

2022-02-04 Thread Víctor Colombo
ISA v3.1 changed some VSX instructions behavior by changing what the other words/doubleword in the result should contain when the result is only one word/doubleword. e.g. xsmaxdp operates on doubleword 0 and saves the result also in doubleword 0. Before, the second doubleword result was undefined