Re: [PATCH 26/76] target/arm: Use FPST_FPCR_F16_A64 for halfprec-to-other conversions

2025-01-25 Thread Richard Henderson
On 1/24/25 08:27, Peter Maydell wrote: We should be using the F16-specific float_status for conversions from half-precision, because halfprec inputs never set Input Denormal. Without FEAT_AHP, using the wrong fpst here had no effect, because the only difference between the F16_A64 and A64 fpst i

[PATCH 26/76] target/arm: Use FPST_FPCR_F16_A64 for halfprec-to-other conversions

2025-01-24 Thread Peter Maydell
We should be using the F16-specific float_status for conversions from half-precision, because halfprec inputs never set Input Denormal. Without FEAT_AHP, using the wrong fpst here had no effect, because the only difference between the F16_A64 and A64 fpst is its handling of flush-to-zero on input