Re: [PATCH 8/8] target/sparc: Fix VIS subtraction instructions.

2023-09-28 Thread Nick Bowler
On 2023-09-28, Richard Henderson wrote: > On 9/24/23 01:03, Nick Bowler wrote: >> All of the VIS subtraction instructions are documented to subtract the >> second input operand from the first. This is also consistent with how >> the instructions actually work on a real UltraSparc II. >> >> But th

Re: [PATCH 8/8] target/sparc: Fix VIS subtraction instructions.

2023-09-28 Thread Richard Henderson
On 9/24/23 01:03, Nick Bowler wrote: All of the VIS subtraction instructions are documented to subtract the second input operand from the first. This is also consistent with how the instructions actually work on a real UltraSparc II. But the emulator is implementing the subtraction in the wrong

[PATCH 8/8] target/sparc: Fix VIS subtraction instructions.

2023-09-25 Thread Nick Bowler
All of the VIS subtraction instructions are documented to subtract the second input operand from the first. This is also consistent with how the instructions actually work on a real UltraSparc II. But the emulator is implementing the subtraction in the wrong order, subtracting the first input fro