diff options
Diffstat (limited to 'target/s390x/vec_helper.c')
| -rw-r--r-- | target/s390x/vec_helper.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/target/s390x/vec_helper.c b/target/s390x/vec_helper.c index 5b2333a..7f68020 100644 --- a/target/s390x/vec_helper.c +++ b/target/s390x/vec_helper.c @@ -15,6 +15,7 @@ #include "internal.h" #include "vec.h" #include "tcg/tcg.h" +#include "tcg/tcg-gvec-desc.h" #include "exec/helper-proto.h" #include "exec/cpu_ldst.h" #include "exec/exec-all.h" @@ -42,3 +43,107 @@ void HELPER(vll)(CPUS390XState *env, void *v1, uint64_t addr, uint64_t bytes) *(S390Vector *)v1 = tmp; } } + +#define DEF_VPK_HFN(BITS, TBITS) \ +typedef uint##TBITS##_t (*vpk##BITS##_fn)(uint##BITS##_t, int *); \ +static int vpk##BITS##_hfn(S390Vector *v1, const S390Vector *v2, \ + const S390Vector *v3, vpk##BITS##_fn fn) \ +{ \ + int i, saturated = 0; \ + S390Vector tmp; \ + \ + for (i = 0; i < (128 / TBITS); i++) { \ + uint##BITS##_t src; \ + \ + if (i < (128 / BITS)) { \ + src = s390_vec_read_element##BITS(v2, i); \ + } else { \ + src = s390_vec_read_element##BITS(v3, i - (128 / BITS)); \ + } \ + s390_vec_write_element##TBITS(&tmp, i, fn(src, &saturated)); \ + } \ + *v1 = tmp; \ + return saturated; \ +} +DEF_VPK_HFN(64, 32) +DEF_VPK_HFN(32, 16) +DEF_VPK_HFN(16, 8) + +#define DEF_VPK(BITS, TBITS) \ +static uint##TBITS##_t vpk##BITS##e(uint##BITS##_t src, int *saturated) \ +{ \ + return src; \ +} \ +void HELPER(gvec_vpk##BITS)(void *v1, const void *v2, const void *v3, \ + uint32_t desc) \ +{ \ + vpk##BITS##_hfn(v1, v2, v3, vpk##BITS##e); \ +} +DEF_VPK(64, 32) +DEF_VPK(32, 16) +DEF_VPK(16, 8) + +#define DEF_VPKS(BITS, TBITS) \ +static uint##TBITS##_t vpks##BITS##e(uint##BITS##_t src, int *saturated) \ +{ \ + if ((int##BITS##_t)src > INT##TBITS##_MAX) { \ + (*saturated)++; \ + return INT##TBITS##_MAX; \ + } else if ((int##BITS##_t)src < INT##TBITS##_MIN) { \ + (*saturated)++; \ + return INT##TBITS##_MIN; \ + } \ + return src; \ +} \ +void HELPER(gvec_vpks##BITS)(void *v1, const void *v2, const void *v3, \ + uint32_t desc) \ +{ \ + vpk##BITS##_hfn(v1, v2, v3, vpks##BITS##e); \ +} \ +void HELPER(gvec_vpks_cc##BITS)(void *v1, const void *v2, const void *v3, \ + CPUS390XState *env, uint32_t desc) \ +{ \ + int saturated = vpk##BITS##_hfn(v1, v2, v3, vpks##BITS##e); \ + \ + if (saturated == (128 / TBITS)) { \ + env->cc_op = 3; \ + } else if (saturated) { \ + env->cc_op = 1; \ + } else { \ + env->cc_op = 0; \ + } \ +} +DEF_VPKS(64, 32) +DEF_VPKS(32, 16) +DEF_VPKS(16, 8) + +#define DEF_VPKLS(BITS, TBITS) \ +static uint##TBITS##_t vpkls##BITS##e(uint##BITS##_t src, int *saturated) \ +{ \ + if (src > UINT##TBITS##_MAX) { \ + (*saturated)++; \ + return UINT##TBITS##_MAX; \ + } \ + return src; \ +} \ +void HELPER(gvec_vpkls##BITS)(void *v1, const void *v2, const void *v3, \ + uint32_t desc) \ +{ \ + vpk##BITS##_hfn(v1, v2, v3, vpkls##BITS##e); \ +} \ +void HELPER(gvec_vpkls_cc##BITS)(void *v1, const void *v2, const void *v3, \ + CPUS390XState *env, uint32_t desc) \ +{ \ + int saturated = vpk##BITS##_hfn(v1, v2, v3, vpkls##BITS##e); \ + \ + if (saturated == (128 / TBITS)) { \ + env->cc_op = 3; \ + } else if (saturated) { \ + env->cc_op = 1; \ + } else { \ + env->cc_op = 0; \ + } \ +} +DEF_VPKLS(64, 32) +DEF_VPKLS(32, 16) +DEF_VPKLS(16, 8) |