Peter Maydell 1b2de0c3c0 fpu: Allow runtime choice of default NaN value ... Currently we hardcode the default NaN value in parts64_default_nan() using a compile-time ifdef ladder. This is awkward for two cases: * for single-QEMU-binary we can't hard-code target-specifics like this * for Arm FEAT_AFP the default NaN value depends on FPCR.AH (specifically the sign bit is different) Add a field to float_status to specify the default NaN value; fall back to the old ifdef behaviour if these are not set. The default NaN value is specified by setting a uint8_t to a pattern corresponding to the sign and upper fraction parts of the NaN; the lower bits of the fraction are set from bit 0 of the pattern. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20241202131347.498124-35-peter.maydell@linaro.org		2024-12-11 15:31:04 +00:00
..
softfloat-helpers.h	fpu: Allow runtime choice of default NaN value	2024-12-11 15:31:04 +00:00
softfloat-macros.h	host-utils: move udiv_qrnnd() to host-utils	2021-10-27 17:10:00 -07:00
softfloat-types.h	fpu: Allow runtime choice of default NaN value	2024-12-11 15:31:04 +00:00
softfloat.h	fpu: Add conversions between bfloat16 and [u]int8	2023-09-16 14:57:15 +00:00