void helper_store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask)
{
- /*
- * We use only the 32 LSB of the incoming fpr
- */
- uint32_t prev, new;
+ target_ulong prev, new;
int i;
prev = env->fpscr;
- new = (uint32_t)arg;
- new &= ~0x60000000;
- new |= prev & 0x60000000;
- for (i = 0; i < 8; i++) {
+ new = (target_ulong)arg;
+ new &= ~0x60000000LL;
+ new |= prev & 0x60000000LL;
+ for (i = 0; i < sizeof(target_ulong) * 2; i++) {
if (mask & (1 << i)) {
- env->fpscr &= ~(0xF << (4 * i));
- env->fpscr |= new & (0xF << (4 * i));
+ env->fpscr &= ~(0xFLL << (4 * i));
+ env->fpscr |= new & (0xFLL << (4 * i));
}
}
/* Update VX and FEX */
void helper_float_check_status(CPUPPCState *env)
{
+ int status = get_float_exception_flags(&env->fp_status);
+
+ if (status & float_flag_divbyzero) {
+ float_zero_divide_excp(env);
+ } else if (status & float_flag_overflow) {
+ float_overflow_excp(env);
+ } else if (status & float_flag_underflow) {
+ float_underflow_excp(env);
+ } else if (status & float_flag_inexact) {
+ float_inexact_excp(env);
+ }
+
if (env->exception_index == POWERPC_EXCP_PROGRAM &&
(env->error_code & POWERPC_EXCP_FP)) {
/* Differred floating-point exception after target FPR update */
helper_raise_exception_err(env, env->exception_index,
env->error_code);
}
- } else {
- int status = get_float_exception_flags(&env->fp_status);
- if (status & float_flag_divbyzero) {
- float_zero_divide_excp(env);
- } else if (status & float_flag_overflow) {
- float_overflow_excp(env);
- } else if (status & float_flag_underflow) {
- float_underflow_excp(env);
- } else if (status & float_flag_inexact) {
- float_inexact_excp(env);
- }
}
}
return farg1.ll;
}
-/* fabs */
-uint64_t helper_fabs(CPUPPCState *env, uint64_t arg)
-{
- CPU_DoubleU farg;
-
- farg.ll = arg;
- farg.d = float64_abs(farg.d);
- return farg.ll;
-}
-
-/* fnabs */
-uint64_t helper_fnabs(CPUPPCState *env, uint64_t arg)
-{
- CPU_DoubleU farg;
-
- farg.ll = arg;
- farg.d = float64_abs(farg.d);
- farg.d = float64_chs(farg.d);
- return farg.ll;
-}
-
-/* fneg */
-uint64_t helper_fneg(CPUPPCState *env, uint64_t arg)
-{
- CPU_DoubleU farg;
-
- farg.ll = arg;
- farg.d = float64_chs(farg.d);
- return farg.ll;
-}
-
/* fctiw - fctiw. */
uint64_t helper_fctiw(CPUPPCState *env, uint64_t arg)
{