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

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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>
This commit is contained in:
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); \