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target/ppc: Use clmul_32* routines 

Use generic routines for 32-bit carry-less multiply.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
master
Richard Henderson 2023-07-11 10:01:57 +01:00
parent 653aab27ba
commit f56d3c1a14
1 changed files with 6 additions and 20 deletions
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26
target/ppc/int_helper.c
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@ -1445,28 +1445,14 @@ void helper_vpmsumh(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
}
}
#define PMSUM(name, srcfld, trgfld, trgtyp) \
void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
int i, j; \
trgtyp prod[sizeof(ppc_avr_t) / sizeof(a->srcfld[0])]; \
\
VECTOR_FOR_INORDER_I(i, srcfld) { \
prod[i] = 0; \
for (j = 0; j < sizeof(a->srcfld[0]) * 8; j++) { \
if (a->srcfld[i] & (1ull << j)) { \
prod[i] ^= ((trgtyp)b->srcfld[i] << j); \
} \
} \
} \
\
VECTOR_FOR_INORDER_I(i, trgfld) { \
r->trgfld[i] = prod[2 * i] ^ prod[2 * i + 1]; \
} \
void helper_vpmsumw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
{
for (int i = 0; i < 2; ++i) {
uint64_t aa = a->u64[i], bb = b->u64[i];
r->u64[i] = clmul_32(aa, bb) ^ clmul_32(aa >> 32, bb >> 32);
}
}
PMSUM(vpmsumw, u32, u64, uint64_t)
void helper_VPMSUMD(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
{
int i, j;