diff options
| author | David Hildenbrand <david@redhat.com> | 2019-04-11 11:19:38 +0200 |
|---|---|---|
| committer | David Hildenbrand <david@redhat.com> | 2019-05-17 10:54:13 +0200 |
| commit | 55236da222356d2bf40ee5ee9ac64669c37b3e18 (patch) | |
| tree | eac1c5930a65c53c69e50965c411415f696561ae /target/s390x/vec_int_helper.c | |
| parent | c3838aaae01eff4e0b9ba03987b5b078f5479a4d (diff) | |
s390x/tcg: Implement VECTOR ELEMENT ROTATE LEFT LOGICAL
Take care of properly taking the modulo of the count. We might later
want to come back and create a variant of VERLL where the base register
is 0, resulting in an immediate.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Diffstat (limited to 'target/s390x/vec_int_helper.c')
| -rw-r--r-- | target/s390x/vec_int_helper.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/s390x/vec_int_helper.c b/target/s390x/vec_int_helper.c index fd8162f1f1..a3c8f09eac 100644 --- a/target/s390x/vec_int_helper.c +++ b/target/s390x/vec_int_helper.c @@ -478,3 +478,34 @@ void HELPER(gvec_vpopct##BITS)(void *v1, const void *v2, uint32_t desc) \ } DEF_VPOPCT(8) DEF_VPOPCT(16) + +#define DEF_VERLLV(BITS) \ +void HELPER(gvec_verllv##BITS)(void *v1, const void *v2, const void *v3, \ + uint32_t desc) \ +{ \ + int i; \ + \ + for (i = 0; i < (128 / BITS); i++) { \ + const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ + const uint##BITS##_t b = s390_vec_read_element##BITS(v3, i); \ + \ + s390_vec_write_element##BITS(v1, i, rol##BITS(a, b)); \ + } \ +} +DEF_VERLLV(8) +DEF_VERLLV(16) + +#define DEF_VERLL(BITS) \ +void HELPER(gvec_verll##BITS)(void *v1, const void *v2, uint64_t count, \ + uint32_t desc) \ +{ \ + int i; \ + \ + for (i = 0; i < (128 / BITS); i++) { \ + const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ + \ + s390_vec_write_element##BITS(v1, i, rol##BITS(a, count)); \ + } \ +} +DEF_VERLL(8) +DEF_VERLL(16) |