Re: [PATCH 69/76] target/arm: Plumb FEAT_RPRES frecpe and frsqrte through to new helper

2025-01-26 Thread Richard Henderson
On 1/24/25 08:28, Peter Maydell wrote: FEAT_RPRES implements an "increased precision" variant of the single precision FRECPE and FRSQRTE instructions from an 8 bit to a 12 bit mantissa. This applies only when FPCR.AH == 1. Note that the halfprec and double versions of these insns retain the 8 bit

[PATCH 69/76] target/arm: Plumb FEAT_RPRES frecpe and frsqrte through to new helper

2025-01-24 Thread Peter Maydell
FEAT_RPRES implements an "increased precision" variant of the single precision FRECPE and FRSQRTE instructions from an 8 bit to a 12 bit mantissa. This applies only when FPCR.AH == 1. Note that the halfprec and double versions of these insns retain the 8 bit precision regardless. In this commit we