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target-ppc: simplify NaN propagation for vector functions

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Commit e024e881bb provided a pickNaN()
function for PowerPC, implementing the correct NaN propagation rules.
Therefore there is no need to test the operands manually, we can rely
on the softfloat code to do that.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Aurelien Jarno 2012-09-11 08:47:10 +00:00 committed by Alexander Graf
parent 794d00bfc7
commit ef9bd1507b
1 changed files with 7 additions and 19 deletions
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26
target-ppc/int_helper.c
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@ -409,9 +409,7 @@ 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)
@ -1039,9 +1037,7 @@ 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 +1050,7 @@ 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 +1083,9 @@ 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 +1101,7 @@ 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 +1110,7 @@ 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);
}
}