diff options
Diffstat (limited to 'target/s390x/tcg/vec_int_helper.c')
| -rw-r--r-- | target/s390x/tcg/vec_int_helper.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/s390x/tcg/vec_int_helper.c b/target/s390x/tcg/vec_int_helper.c index b44859ee16..53ab5c5eb3 100644 --- a/target/s390x/tcg/vec_int_helper.c +++ b/target/s390x/tcg/vec_int_helper.c @@ -539,18 +539,73 @@ void HELPER(gvec_vsl)(void *v1, const void *v2, uint64_t count, s390_vec_shl(v1, v2, count); } +void HELPER(gvec_vsl_ve2)(void *v1, const void *v2, const void *v3, + uint32_t desc) +{ + S390Vector tmp; + uint32_t sh, e0, e1 = 0; + int i; + + for (i = 15; i >= 0; --i, e1 = e0) { + e0 = s390_vec_read_element8(v2, i); + sh = s390_vec_read_element8(v3, i) & 7; + + s390_vec_write_element8(&tmp, i, rol32(e0 | (e1 << 24), sh)); + } + + *(S390Vector *)v1 = tmp; +} + void HELPER(gvec_vsra)(void *v1, const void *v2, uint64_t count, uint32_t desc) { s390_vec_sar(v1, v2, count); } +void HELPER(gvec_vsra_ve2)(void *v1, const void *v2, const void *v3, + uint32_t desc) +{ + S390Vector tmp; + uint32_t sh, e0, e1 = 0; + int i = 0; + + /* Byte 0 is special only. */ + e0 = (int32_t)(int8_t)s390_vec_read_element8(v2, i); + sh = s390_vec_read_element8(v3, i) & 7; + s390_vec_write_element8(&tmp, i, e0 >> sh); + + e1 = e0; + for (i = 1; i < 16; ++i, e1 = e0) { + e0 = s390_vec_read_element8(v2, i); + sh = s390_vec_read_element8(v3, i) & 7; + s390_vec_write_element8(&tmp, i, (e0 | e1 << 8) >> sh); + } + + *(S390Vector *)v1 = tmp; +} + void HELPER(gvec_vsrl)(void *v1, const void *v2, uint64_t count, uint32_t desc) { s390_vec_shr(v1, v2, count); } +void HELPER(gvec_vsrl_ve2)(void *v1, const void *v2, const void *v3, + uint32_t desc) +{ + S390Vector tmp; + uint32_t sh, e0, e1 = 0; + + for (int i = 0; i < 16; ++i, e1 = e0) { + e0 = s390_vec_read_element8(v2, i); + sh = s390_vec_read_element8(v3, i) & 7; + + s390_vec_write_element8(&tmp, i, (e0 | (e1 << 8)) >> sh); + } + + *(S390Vector *)v1 = tmp; +} + #define DEF_VSCBI(BITS) \ void HELPER(gvec_vscbi##BITS)(void *v1, const void *v2, const void *v3, \ uint32_t desc) \ |