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target/ppc: add vmulh{su}d instructions

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vmulhsd: Vector Multiply High Signed Doubleword
vmulhud: Vector Multiply High Unsigned Doubleword

Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Message-Id: <20200724045845.89976-5-ljp@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Lijun Pan 2020-07-23 23:58:43 -05:00 • committed by David Gibson
parent f3e0d864ab
commit c4b8b49d68
4 changed files with 22 additions and 0 deletions
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16
target/ppc/int_helper.c
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@ -1105,6 +1105,22 @@ void helper_vmulhuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
}
}
void helper_vmulhsd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
{
uint64_t discard;
muls64(&discard, &r->u64[0], a->s64[0], b->s64[0]);
muls64(&discard, &r->u64[1], a->s64[1], b->s64[1]);
}
void helper_vmulhud(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
{
uint64_t discard;
mulu64(&discard, &r->u64[0], a->u64[0], b->u64[0]);
mulu64(&discard, &r->u64[1], a->u64[1], b->u64[1]);
}
void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b,
ppc_avr_t *c)
{