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Diffstat (limited to 'target-ppc/int_helper.c')
-rw-r--r--target-ppc/int_helper.c127
1 files changed, 23 insertions, 104 deletions
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index f638b2a07c..f39b4f682a 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -287,23 +287,6 @@ target_ulong helper_602_mfrom(target_ulong arg)
for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--)
#endif
-/* If X is a NaN, store the corresponding QNaN into RESULT. Otherwise,
- * execute the following block. */
-#define DO_HANDLE_NAN(result, x) \
- if (float32_is_any_nan(x)) { \
- CPU_FloatU __f; \
- __f.f = x; \
- __f.l = __f.l | (1 << 22); /* Set QNaN bit. */ \
- result = __f.f; \
- } else
-
-#define HANDLE_NAN1(result, x) \
- DO_HANDLE_NAN(result, x)
-#define HANDLE_NAN2(result, x, y) \
- DO_HANDLE_NAN(result, x) DO_HANDLE_NAN(result, y)
-#define HANDLE_NAN3(result, x, y, z) \
- DO_HANDLE_NAN(result, x) DO_HANDLE_NAN(result, y) DO_HANDLE_NAN(result, z)
-
/* Saturating arithmetic helpers. */
#define SATCVT(from, to, from_type, to_type, min, max) \
static inline to_type cvt##from##to(from_type x, int *sat) \
@@ -409,15 +392,29 @@ VARITH(uwm, u32)
int i; \
\
for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
- HANDLE_NAN2(r->f[i], a->f[i], b->f[i]) { \
- r->f[i] = func(a->f[i], b->f[i], &env->vec_status); \
- } \
+ r->f[i] = func(a->f[i], b->f[i], &env->vec_status); \
} \
}
VARITHFP(addfp, float32_add)
VARITHFP(subfp, float32_sub)
+VARITHFP(minfp, float32_min)
+VARITHFP(maxfp, float32_max)
#undef VARITHFP
+#define VARITHFPFMA(suffix, type) \
+ void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \
+ ppc_avr_t *b, ppc_avr_t *c) \
+ { \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
+ r->f[i] = float32_muladd(a->f[i], c->f[i], b->f[i], \
+ type, &env->vec_status); \
+ } \
+ }
+VARITHFPFMA(maddfp, 0);
+VARITHFPFMA(nmsubfp, float_muladd_negate_result | float_muladd_negate_c);
+#undef VARITHFPFMA
+
#define VARITHSAT_CASE(type, op, cvt, element) \
{ \
type result = (type)a->element[i] op (type)b->element[i]; \
@@ -649,27 +646,6 @@ VCT(uxs, cvtsduw, u32)
VCT(sxs, cvtsdsw, s32)
#undef VCT
-void helper_vmaddfp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b,
- ppc_avr_t *c)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(r->f); i++) {
- HANDLE_NAN3(r->f[i], a->f[i], b->f[i], c->f[i]) {
- /* Need to do the computation in higher precision and round
- * once at the end. */
- float64 af, bf, cf, t;
-
- af = float32_to_float64(a->f[i], &env->vec_status);
- bf = float32_to_float64(b->f[i], &env->vec_status);
- cf = float32_to_float64(c->f[i], &env->vec_status);
- t = float64_mul(af, cf, &env->vec_status);
- t = float64_add(t, bf, &env->vec_status);
- r->f[i] = float64_to_float32(t, &env->vec_status);
- }
- }
-}
-
void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
ppc_avr_t *b, ppc_avr_t *c)
{
@@ -730,27 +706,6 @@ VMINMAX(uw, u32)
#undef VMINMAX_DO
#undef VMINMAX
-#define VMINMAXFP(suffix, rT, rF) \
- void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \
- ppc_avr_t *b) \
- { \
- int i; \
- \
- for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
- HANDLE_NAN2(r->f[i], a->f[i], b->f[i]) { \
- if (float32_lt_quiet(a->f[i], b->f[i], \
- &env->vec_status)) { \
- r->f[i] = rT->f[i]; \
- } else { \
- r->f[i] = rF->f[i]; \
- } \
- } \
- } \
- }
-VMINMAXFP(minfp, a, b)
-VMINMAXFP(maxfp, b, a)
-#undef VMINMAXFP
-
void helper_vmladduhm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
int i;
@@ -930,28 +885,6 @@ VMUL(uh, u16, u32)
#undef VMUL_DO
#undef VMUL
-void helper_vnmsubfp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
- ppc_avr_t *b, ppc_avr_t *c)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(r->f); i++) {
- HANDLE_NAN3(r->f[i], a->f[i], b->f[i], c->f[i]) {
- /* Need to do the computation is higher precision and round
- * once at the end. */
- float64 af, bf, cf, t;
-
- af = float32_to_float64(a->f[i], &env->vec_status);
- bf = float32_to_float64(b->f[i], &env->vec_status);
- cf = float32_to_float64(c->f[i], &env->vec_status);
- t = float64_mul(af, cf, &env->vec_status);
- t = float64_sub(t, bf, &env->vec_status);
- t = float64_chs(t);
- r->f[i] = float64_to_float32(t, &env->vec_status);
- }
- }
-}
-
void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b,
ppc_avr_t *c)
{
@@ -1039,9 +972,7 @@ void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
int i;
for (i = 0; i < ARRAY_SIZE(r->f); i++) {
- HANDLE_NAN1(r->f[i], b->f[i]) {
- r->f[i] = float32_div(float32_one, b->f[i], &env->vec_status);
- }
+ r->f[i] = float32_div(float32_one, b->f[i], &env->vec_status);
}
}
@@ -1054,9 +985,7 @@ void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
\
set_float_rounding_mode(rounding, &s); \
for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
- HANDLE_NAN1(r->f[i], b->f[i]) { \
- r->f[i] = float32_round_to_int (b->f[i], &s); \
- } \
+ r->f[i] = float32_round_to_int (b->f[i], &s); \
} \
}
VRFI(n, float_round_nearest_even)
@@ -1089,11 +1018,9 @@ void helper_vrsqrtefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
int i;
for (i = 0; i < ARRAY_SIZE(r->f); i++) {
- HANDLE_NAN1(r->f[i], b->f[i]) {
- float32 t = float32_sqrt(b->f[i], &env->vec_status);
+ float32 t = float32_sqrt(b->f[i], &env->vec_status);
- r->f[i] = float32_div(float32_one, t, &env->vec_status);
- }
+ r->f[i] = float32_div(float32_one, t, &env->vec_status);
}
}
@@ -1109,9 +1036,7 @@ void helper_vexptefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
int i;
for (i = 0; i < ARRAY_SIZE(r->f); i++) {
- HANDLE_NAN1(r->f[i], b->f[i]) {
- r->f[i] = float32_exp2(b->f[i], &env->vec_status);
- }
+ r->f[i] = float32_exp2(b->f[i], &env->vec_status);
}
}
@@ -1120,9 +1045,7 @@ void helper_vlogefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
int i;
for (i = 0; i < ARRAY_SIZE(r->f); i++) {
- HANDLE_NAN1(r->f[i], b->f[i]) {
- r->f[i] = float32_log2(b->f[i], &env->vec_status);
- }
+ r->f[i] = float32_log2(b->f[i], &env->vec_status);
}
}
@@ -1473,10 +1396,6 @@ VUPK(lsh, s32, s16, UPKLO)
#undef UPKHI
#undef UPKLO
-#undef DO_HANDLE_NAN
-#undef HANDLE_NAN1
-#undef HANDLE_NAN2
-#undef HANDLE_NAN3
#undef VECTOR_FOR_INORDER_I
#undef HI_IDX
#undef LO_IDX
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-12 18:45:16 +0000