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examples/l3fwd: fix port group mask with AltiVec

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Fix port group mask generation in altivec, vec_any_eq returns
0 or 1 while port_groupx4 expects comparison mask result.

Fixes: 2193b7467f ("examples/l3fwd: optimize packet processing on powerpc")
Cc: stable@dpdk.org

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Acked-by: Shijith Thotton <sthotton@marvell.com>
This commit is contained in:
Pavan Nikhilesh 2022-10-25 21:35:35 +05:30 committed by Thomas Monjalon
parent 268d82e5f3
commit 927cb43fe9
1 changed files with 8 additions and 3 deletions
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11
examples/common/altivec/port_group.h
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@ -26,12 +26,17 @@ port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp,
uint16_t u16[FWDSTEP + 1];
uint64_t u64;
} *pnum = (void *)pn;
__vector unsigned long long result;
const __vector unsigned int perm_mask = {0x00204060, 0x80808080,
0x80808080, 0x80808080};
int32_t v;
v = vec_any_eq(dp1, dp2);
dp1 = (__vector unsigned short)vec_cmpeq(dp1, dp2);
dp1 = vec_mergeh(dp1, dp1);
result = (__vector unsigned long long)vec_vbpermq(
(__vector unsigned char)dp1, (__vector unsigned char)perm_mask);
v = result[1];
/* update last port counter. */
lp[0] += gptbl[v].lpv;