diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-07-11 10:01:57 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-09-15 13:57:00 +0000 |
| commit | f56d3c1a140267ae88874d755fa2f24cb71a1572 (patch) | |
| tree | 8ebf2b8497c7258a07ae65772935e99449be039f /target/ppc | |
| parent | 653aab27ba9610e3d3e047d1475765bd01f6fc14 (diff) | |
target/ppc: Use clmul_32* routines
Use generic routines for 32-bit carry-less multiply.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/int_helper.c | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index ebb2957fe7..1ea42b4ede 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -1445,27 +1445,13 @@ 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]; \ - } \ -} - -PMSUM(vpmsumw, u32, u64, uint64_t) +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); + } +} void helper_VPMSUMD(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) { |