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target/arm: Use clmul_32* routines

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Use generic routines for 32-bit carry-less multiply.
Remove our local version of pmull_d.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-07-11 09:56:41 +01:00
parent 9a65a570fa
commit bae25f648e
1 changed files with 1 additions and 13 deletions
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14
target/arm/tcg/vec_helper.c
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@ -2055,18 +2055,6 @@ void HELPER(sve2_pmull_h)(void *vd, void *vn, void *vm, uint32_t desc)
} }
} }
static uint64_t pmull_d(uint64_t op1, uint64_t op2)
{
uint64_t result = 0;
int i;
for (i = 0; i < 32; ++i) {
uint64_t mask = -((op1 >> i) & 1);
result ^= (op2 << i) & mask;
}
return result;
}
void HELPER(sve2_pmull_d)(void *vd, void *vn, void *vm, uint32_t desc) void HELPER(sve2_pmull_d)(void *vd, void *vn, void *vm, uint32_t desc)
{ {
intptr_t sel = H4(simd_data(desc)); intptr_t sel = H4(simd_data(desc));
@ -2075,7 +2063,7 @@ void HELPER(sve2_pmull_d)(void *vd, void *vn, void *vm, uint32_t desc)
uint64_t *d = vd; uint64_t *d = vd;
for (i = 0; i < opr_sz / 8; ++i) { for (i = 0; i < opr_sz / 8; ++i) {
d[i] = pmull_d(n[2 * i + sel], m[2 * i + sel]); d[i] = clmul_32(n[2 * i + sel], m[2 * i + sel]);
} }
} }
#endif #endif