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target/ppc: Split out float_invalid_op_mul

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Richard Henderson 2018-10-11 16:41:57 -07:00 committed by David Gibson
parent 57483867e9
commit 4f0da706c2
1 changed files with 20 additions and 23 deletions
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43
target/ppc/fpu_helper.c
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@ -689,6 +689,17 @@ float64 helper_fsub(CPUPPCState *env, float64 arg1, float64 arg2)
return ret;
}
static void float_invalid_op_mul(CPUPPCState *env, bool set_fprc,
uintptr_t retaddr, int classes)
{
if ((classes & (is_zero | is_inf)) == (is_zero | is_inf)) {
/* Multiplication of zero by infinity */
float_invalid_op_vximz(env, set_fprc, retaddr);
} else if (classes & is_snan) {
float_invalid_op_vxsnan(env, retaddr);
}
}
/* fmul - fmul. */
float64 helper_fmul(CPUPPCState *env, float64 arg1, float64 arg2)
{
@ -696,15 +707,9 @@ float64 helper_fmul(CPUPPCState *env, float64 arg1, float64 arg2)
int status = get_float_exception_flags(&env->fp_status);
if (unlikely(status & float_flag_invalid)) {
if ((float64_is_infinity(arg1) && float64_is_zero(arg2)) ||
(float64_is_zero(arg1) && float64_is_infinity(arg2))) {
/* Multiplication of zero by infinity */
float_invalid_op_vximz(env, 1, GETPC());
} else if (float64_is_signaling_nan(arg1, &env->fp_status) ||
float64_is_signaling_nan(arg2, &env->fp_status)) {
/* sNaN multiplication */
float_invalid_op_vxsnan(env, GETPC());
}
float_invalid_op_mul(env, 1, GETPC(),
float64_classify(arg1) |
float64_classify(arg2));
}
return ret;
@ -1886,13 +1891,9 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \
env->fp_status.float_exception_flags |= tstat.float_exception_flags; \
\
if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \
if ((tp##_is_infinity(xa.fld) && tp##_is_zero(xb.fld)) || \
(tp##_is_infinity(xb.fld) && tp##_is_zero(xa.fld))) { \
float_invalid_op_vximz(env, sfprf, GETPC()); \
} else if (tp##_is_signaling_nan(xa.fld, &tstat) || \
tp##_is_signaling_nan(xb.fld, &tstat)) { \
float_invalid_op_vxsnan(env, GETPC()); \
} \
float_invalid_op_mul(env, sfprf, GETPC(), \
tp##_classify(xa.fld) | \
tp##_classify(xb.fld)); \
} \
\
if (r2sp) { \
@ -1933,13 +1934,9 @@ void helper_xsmulqp(CPUPPCState *env, uint32_t opcode)
env->fp_status.float_exception_flags |= tstat.float_exception_flags;
if (unlikely(tstat.float_exception_flags & float_flag_invalid)) {
if ((float128_is_infinity(xa.f128) && float128_is_zero(xb.f128)) ||
(float128_is_infinity(xb.f128) && float128_is_zero(xa.f128))) {
float_invalid_op_vximz(env, 1, GETPC());
} else if (float128_is_signaling_nan(xa.f128, &tstat) ||
float128_is_signaling_nan(xb.f128, &tstat)) {
float_invalid_op_vxsnan(env, GETPC());
}
float_invalid_op_mul(env, 1, GETPC(),
float128_classify(xa.f128) |
float128_classify(xb.f128));
}
helper_compute_fprf_float128(env, xt.f128);