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target-arm: Set Invalid flag for NaN in float-to-int conversions 

When we catch the special case of an input NaN in ARM float to int
helper functions, set the Invalid flag as well as returning the
correct result.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
master
Peter Maydell 2011-04-19 17:30:55 +01:00 committed by Aurelien Jarno
parent 756ba3b012
commit ec444452b8
1 changed files with 9 additions and 0 deletions
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9
target-arm/helper.c
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@ -2551,6 +2551,7 @@ float64 VFP_HELPER(sito, d)(uint32_t x, CPUState *env)
uint32_t VFP_HELPER(toui, s)(float32 x, CPUState *env)
{
if (float32_is_any_nan(x)) {
float_raise(float_flag_invalid, &env->vfp.fp_status);
return 0;
}
return float32_to_uint32(x, &env->vfp.fp_status);
@ -2559,6 +2560,7 @@ uint32_t VFP_HELPER(toui, s)(float32 x, CPUState *env)
uint32_t VFP_HELPER(toui, d)(float64 x, CPUState *env)
{
if (float64_is_any_nan(x)) {
float_raise(float_flag_invalid, &env->vfp.fp_status);
return 0;
}
return float64_to_uint32(x, &env->vfp.fp_status);
@ -2567,6 +2569,7 @@ uint32_t VFP_HELPER(toui, d)(float64 x, CPUState *env)
uint32_t VFP_HELPER(tosi, s)(float32 x, CPUState *env)
{
if (float32_is_any_nan(x)) {
float_raise(float_flag_invalid, &env->vfp.fp_status);
return 0;
}
return float32_to_int32(x, &env->vfp.fp_status);
@ -2575,6 +2578,7 @@ uint32_t VFP_HELPER(tosi, s)(float32 x, CPUState *env)
uint32_t VFP_HELPER(tosi, d)(float64 x, CPUState *env)
{
if (float64_is_any_nan(x)) {
float_raise(float_flag_invalid, &env->vfp.fp_status);
return 0;
}
return float64_to_int32(x, &env->vfp.fp_status);
@ -2583,6 +2587,7 @@ uint32_t VFP_HELPER(tosi, d)(float64 x, CPUState *env)
uint32_t VFP_HELPER(touiz, s)(float32 x, CPUState *env)
{
if (float32_is_any_nan(x)) {
float_raise(float_flag_invalid, &env->vfp.fp_status);
return 0;
}
return float32_to_uint32_round_to_zero(x, &env->vfp.fp_status);
@ -2591,6 +2596,7 @@ uint32_t VFP_HELPER(touiz, s)(float32 x, CPUState *env)
uint32_t VFP_HELPER(touiz, d)(float64 x, CPUState *env)
{
if (float64_is_any_nan(x)) {
float_raise(float_flag_invalid, &env->vfp.fp_status);
return 0;
}
return float64_to_uint32_round_to_zero(x, &env->vfp.fp_status);
@ -2599,6 +2605,7 @@ uint32_t VFP_HELPER(touiz, d)(float64 x, CPUState *env)
uint32_t VFP_HELPER(tosiz, s)(float32 x, CPUState *env)
{
if (float32_is_any_nan(x)) {
float_raise(float_flag_invalid, &env->vfp.fp_status);
return 0;
}
return float32_to_int32_round_to_zero(x, &env->vfp.fp_status);
@ -2607,6 +2614,7 @@ uint32_t VFP_HELPER(tosiz, s)(float32 x, CPUState *env)
uint32_t VFP_HELPER(tosiz, d)(float64 x, CPUState *env)
{
if (float64_is_any_nan(x)) {
float_raise(float_flag_invalid, &env->vfp.fp_status);
return 0;
}
return float64_to_int32_round_to_zero(x, &env->vfp.fp_status);
@ -2645,6 +2653,7 @@ uint##fsz##_t VFP_HELPER(to##name, p)(float##fsz x, uint32_t shift, \
{ \
float##fsz tmp; \
if (float##fsz##_is_any_nan(x)) { \
float_raise(float_flag_invalid, &env->vfp.fp_status); \
return 0; \
} \
tmp = float##fsz##_scalbn(x, shift, &env->vfp.fp_status); \