aboutsummaryrefslogtreecommitdiff
path: root/target-arm/helper.c
diff options
context:
space:
mode:
Diffstat (limited to 'target-arm/helper.c')
-rw-r--r--target-arm/helper.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 5e10533..cb95c6e 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -115,6 +115,7 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
set_feature(env, ARM_FEATURE_THUMB2);
set_feature(env, ARM_FEATURE_VFP);
set_feature(env, ARM_FEATURE_VFP3);
+ set_feature(env, ARM_FEATURE_VFP_FP16);
set_feature(env, ARM_FEATURE_NEON);
set_feature(env, ARM_FEATURE_THUMB2EE);
set_feature(env, ARM_FEATURE_DIV);
@@ -2568,6 +2569,21 @@ VFP_CONV_FIX(uh, s, float32, uint16, u)
VFP_CONV_FIX(ul, s, float32, uint32, u)
#undef VFP_CONV_FIX
+/* Half precision conversions. */
+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);
+}
+
+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);
+}
+
float32 HELPER(recps_f32)(float32 a, float32 b, CPUState *env)
{
float_status *s = &env->vfp.fp_status;