Re: [PATCH 15/21] target/i386: Set 2-NaN propagation rule explicitly

2024-10-28 Thread Richard Henderson
On 10/25/24 15:12, Peter Maydell wrote: Set the NaN propagation rule explicitly for the float_status words used in the x86 target. This is a no-behaviour-change commit, so we retain the existing behaviour of using the x87-style "prefer QNaN over SNaN, then prefer the NaN with the larger signific

[PATCH 15/21] target/i386: Set 2-NaN propagation rule explicitly

2024-10-25 Thread Peter Maydell
Set the NaN propagation rule explicitly for the float_status words used in the x86 target. This is a no-behaviour-change commit, so we retain the existing behaviour of using the x87-style "prefer QNaN over SNaN, then prefer the NaN with the larger significand" for MMX and SSE. This is however not