| commit | 697a45d6952a897ea300f8071a162cbb464fade0 | |
| author | David Hildenbrand <david@redhat.com> | |
| Thu, 11 Apr 2019 09:54:53 +0000 (11 11:54 +0200) | ||
| committer | David Hildenbrand <david@redhat.com> | |
| Fri, 17 May 2019 08:54:13 +0000 (17 10:54 +0200) | ||
| tree | f1032575137f1b0b27b829b20d4ae1fd31001c97 | treesnapshot (tar.gz zip) |
| parent | 44951e6b0349d8981c226cd8e12505d4f45835d8 | commitdiff |
s390x/tcg: Implement VECTOR GALOIS FIELD MULTIPLY SUM (AND ACCUMULATE)
A galois field multiplication in field 2 is like binary multiplication,
however instead of doing ordinary binary additions, xor's are performed.
So no carries are considered.
Implement all variants via helpers. s390_vec_sar() and s390_vec_shr()
will be reused later on.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
A galois field multiplication in field 2 is like binary multiplication,
however instead of doing ordinary binary additions, xor's are performed.
So no carries are considered.
Implement all variants via helpers. s390_vec_sar() and s390_vec_shr()
will be reused later on.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
| target/s390x/helper.h | diffblobblamehistory | |
| target/s390x/insn-data.def | diffblobblamehistory | |
| target/s390x/translate_vx.inc.c | diffblobblamehistory | |
| target/s390x/vec_int_helper.c | diffblobblamehistory |