On Wed, Feb 09, 2011 at 04:27:29PM +0000, Peter Maydell wrote:
> Silence the NaNs that may result from half-precision conversion,
> as we do for the other conversions.
>
> Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
> ---
> target-arm/helper.c | 12 ++++++++++--
> 1 files changed, 10 insertions(+), 2 deletions(-)
Reviewed-by: Aurelien Jarno <aurel...@aurel32.net>
> diff --git a/target-arm/helper.c b/target-arm/helper.c
> index d46defc..503278c 100644
> --- a/target-arm/helper.c
> +++ b/target-arm/helper.c
> @@ -2627,14 +2627,22 @@ float32 HELPER(vfp_fcvt_f16_to_f32)(uint32_t a,
> CPUState *env)
> {
> float_status *s = &env->vfp.fp_status;
> int ieee = (env->vfp.xregs[ARM_VFP_FPSCR] & (1 << 26)) == 0;
> - return float16_to_float32(a, ieee, s);
> + float32 r = float16_to_float32(a, ieee, s);
> + if (ieee) {
> + return float32_maybe_silence_nan(r);
> + }
> + return r;
> }
>
> uint32_t HELPER(vfp_fcvt_f32_to_f16)(float32 a, CPUState *env)
> {
> float_status *s = &env->vfp.fp_status;
> int ieee = (env->vfp.xregs[ARM_VFP_FPSCR] & (1 << 26)) == 0;
> - return float32_to_float16(a, ieee, s);
> + float16 r = float32_to_float16(a, ieee, s);
> + if (ieee) {
> + return float16_maybe_silence_nan(r);
> + }
> + return r;
> }
>
> float32 HELPER(recps_f32)(float32 a, float32 b, CPUState *env)
> --
> 1.7.1
>
>
>
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurel...@aurel32.net http://www.aurel32.net
