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target/ppc: use int128.h methods in vaddecuq and vaddeuqm

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And also move the insns to decodetree and remove the now unused
avr_qw_addc method.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220606150037.338931-4-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Matheus Ferst 2022-06-06 12:00:33 -03:00 • committed by Daniel Henrique Barboza
parent 7ca0428687
commit 896d92c81d
5 changed files with 17 additions and 51 deletions
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53
target/ppc/int_helper.c
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@ -2212,16 +2212,6 @@ static void avr_qw_add(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b)
(~a.VsrD(1) < b.VsrD(1));
}
static int avr_qw_addc(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b)
{
ppc_avr_t not_a;
t->VsrD(1) = a.VsrD(1) + b.VsrD(1);
t->VsrD(0) = a.VsrD(0) + b.VsrD(0) +
(~a.VsrD(1) < b.VsrD(1));
avr_qw_not(&not_a, a);
return avr_qw_cmpu(not_a, b) < 0;
}
#endif
void helper_VADDUQM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
@ -2229,23 +2219,10 @@ void helper_VADDUQM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
r->s128 = int128_add(a->s128, b->s128);
}
void helper_vaddeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
void helper_VADDEUQM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
#ifdef CONFIG_INT128
r->u128 = a->u128 + b->u128 + (c->u128 & 1);
#else
if (c->VsrD(1) & 1) {
ppc_avr_t tmp;
tmp.VsrD(0) = 0;
tmp.VsrD(1) = c->VsrD(1) & 1;
avr_qw_add(&tmp, *a, tmp);
avr_qw_add(r, tmp, *b);
} else {
avr_qw_add(r, *a, *b);
}
#endif
r->s128 = int128_add(int128_add(a->s128, b->s128),
int128_make64(int128_getlo(c->s128) & 1));
}
void helper_vaddcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
@ -2262,30 +2239,18 @@ void helper_vaddcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
#endif
}
void helper_vaddecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
void helper_VADDECUQ(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
#ifdef CONFIG_INT128
int carry_out = (~a->u128 < b->u128);
if (!carry_out && (c->u128 & 1)) {
carry_out = ((a->u128 + b->u128 + 1) == 0) &&
((a->u128 != 0) || (b->u128 != 0));
}
r->u128 = carry_out;
#else
int carry_in = c->VsrD(1) & 1;
int carry_out = 0;
ppc_avr_t tmp;
carry_out = avr_qw_addc(&tmp, *a, *b);
bool carry_out = int128_ult(int128_not(a->s128), b->s128),
carry_in = int128_getlo(c->s128) & 1;
if (!carry_out && carry_in) {
ppc_avr_t one = QW_ONE;
carry_out = avr_qw_addc(&tmp, tmp, one);
carry_out = (int128_nz(a->s128) || int128_nz(b->s128)) &&
int128_eq(int128_add(a->s128, b->s128), int128_makes64(-1));
}
r->VsrD(0) = 0;
r->VsrD(1) = carry_out;
#endif
}
void helper_vsubuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)