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authorRichard Henderson <richard.henderson@linaro.org>2018-10-11 16:41:57 -0700
committerDavid Gibson <david@gibson.dropbear.id.au>2018-11-08 12:04:40 +1100
commit4f0da706c20146bf17bf444653b7afa1296fc777 (patch)
treeb1a8ce549d817fa90b91c1a0e5319aec888d97fe
parent57483867e9eda2b34ce4bb2aaf90b2f35bf375c0 (diff)
target/ppc: Split out float_invalid_op_mul
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
-rw-r--r--target/ppc/fpu_helper.c43
1 files changed, 20 insertions, 23 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index 111ce12a37..ef251d062f 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -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);