Use the new softfloat min/max functions to implement the Neon VMAX and VMIN instructions. This allows us to get the right behaviour for NaN and negative zero.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> --- target-arm/neon_helper.c | 8 ++------ 1 files changed, 2 insertions(+), 6 deletions(-) diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c index 1905545..19784ab 100644 --- a/target-arm/neon_helper.c +++ b/target-arm/neon_helper.c @@ -1772,16 +1772,12 @@ uint32_t HELPER(neon_qneg_s32)(CPUState *env, uint32_t x) /* NEON Float helpers. */ uint32_t HELPER(neon_min_f32)(CPUState *env, uint32_t a, uint32_t b) { - float32 f0 = make_float32(a); - float32 f1 = make_float32(b); - return (float32_compare_quiet(f0, f1, NFS) == -1) ? a : b; + return float32_val(float32_min(make_float32(a), make_float32(b), NFS)); } uint32_t HELPER(neon_max_f32)(CPUState *env, uint32_t a, uint32_t b) { - float32 f0 = make_float32(a); - float32 f1 = make_float32(b); - return (float32_compare_quiet(f0, f1, NFS) == 1) ? a : b; + return float32_val(float32_max(make_float32(a), make_float32(b), NFS)); } uint32_t HELPER(neon_abd_f32)(CPUState *env, uint32_t a, uint32_t b) -- 1.7.1