diff options
Diffstat (limited to 'target/s390x/vec_string_helper.c')
| -rw-r--r-- | target/s390x/vec_string_helper.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/s390x/vec_string_helper.c b/target/s390x/vec_string_helper.c index 0ee3470112..6bafa23bd7 100644 --- a/target/s390x/vec_string_helper.c +++ b/target/s390x/vec_string_helper.c @@ -283,3 +283,48 @@ void HELPER(gvec_vfene_cc##BITS)(void *v1, const void *v2, const void *v3, \ DEF_VFENE_CC_HELPER(8) DEF_VFENE_CC_HELPER(16) DEF_VFENE_CC_HELPER(32) + +static int vistr(void *v1, const void *v2, uint8_t es) +{ + const uint64_t mask = get_element_lsbs_mask(es); + uint64_t a0 = s390_vec_read_element64(v2, 0); + uint64_t a1 = s390_vec_read_element64(v2, 1); + uint64_t z; + int cc = 3; + + z = zero_search(a0, mask); + if (z) { + a0 &= ~(-1ull >> clz64(z)); + a1 = 0; + cc = 0; + } else { + z = zero_search(a1, mask); + if (z) { + a1 &= ~(-1ull >> clz64(z)); + cc = 0; + } + } + + s390_vec_write_element64(v1, 0, a0); + s390_vec_write_element64(v1, 1, a1); + return cc; +} + +#define DEF_VISTR_HELPER(BITS) \ +void HELPER(gvec_vistr##BITS)(void *v1, const void *v2, uint32_t desc) \ +{ \ + vistr(v1, v2, MO_##BITS); \ +} +DEF_VISTR_HELPER(8) +DEF_VISTR_HELPER(16) +DEF_VISTR_HELPER(32) + +#define DEF_VISTR_CC_HELPER(BITS) \ +void HELPER(gvec_vistr_cc##BITS)(void *v1, const void *v2, CPUS390XState *env, \ + uint32_t desc) \ +{ \ + env->cc_op = vistr(v1, v2, MO_##BITS); \ +} +DEF_VISTR_CC_HELPER(8) +DEF_VISTR_CC_HELPER(16) +DEF_VISTR_CC_HELPER(32) |