Fix AVX512BW Fletcher code on AVX512-but-not-BW machines
Introduce a specific valid function for avx512f+avx512bw (instead of checking only for avx512f). Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Adam Moss <c@yotes.com> Signed-off-by: Romain Dolbeau <romain@dolbeau.org> Closes #11937 Closes #11938
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@ -210,6 +210,12 @@ fletcher_4_avx512bw_byteswap(fletcher_4_ctx_t *ctx, const void *buf,
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}
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}
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STACK_FRAME_NON_STANDARD(fletcher_4_avx512bw_byteswap);
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STACK_FRAME_NON_STANDARD(fletcher_4_avx512bw_byteswap);
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static boolean_t
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fletcher_4_avx512bw_valid(void)
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{
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return (fletcher_4_avx512f_valid() && zfs_avx512bw_available());
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}
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const fletcher_4_ops_t fletcher_4_avx512bw_ops = {
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const fletcher_4_ops_t fletcher_4_avx512bw_ops = {
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.init_native = fletcher_4_avx512f_init,
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.init_native = fletcher_4_avx512f_init,
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.fini_native = fletcher_4_avx512f_fini,
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.fini_native = fletcher_4_avx512f_fini,
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@ -217,7 +223,7 @@ const fletcher_4_ops_t fletcher_4_avx512bw_ops = {
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.init_byteswap = fletcher_4_avx512f_init,
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.init_byteswap = fletcher_4_avx512f_init,
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.fini_byteswap = fletcher_4_avx512f_fini,
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.fini_byteswap = fletcher_4_avx512f_fini,
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.compute_byteswap = fletcher_4_avx512bw_byteswap,
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.compute_byteswap = fletcher_4_avx512bw_byteswap,
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.valid = fletcher_4_avx512f_valid,
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.valid = fletcher_4_avx512bw_valid,
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.name = "avx512bw"
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.name = "avx512bw"
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};
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};
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#endif
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#endif
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