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| author | David Hildenbrand <david@redhat.com> | 2021-06-08 11:23:28 +0200 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2021-06-21 08:48:21 +0200 |
| commit | 2e96005ed8509275f7396adacc3353e9189ce518 (patch) | |
| tree | f60a0f75d84e7cbb2704b329c1fac1a7e59a5cab /target/s390x | |
| parent | 1c6b5b47da8d9c8797cdf866fa180466b56a9204 (diff) | |
| download | qemu-2e96005ed8509275f7396adacc3353e9189ce518.zip qemu-2e96005ed8509275f7396adacc3353e9189ce518.tar.gz qemu-2e96005ed8509275f7396adacc3353e9189ce518.tar.bz2 | |
s390x/tcg: Implement 64 bit for VECTOR FP LOAD LENGTHENED
64 bit -> 128 bit, there is only a single final element.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-18-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'target/s390x')
| -rw-r--r-- | target/s390x/helper.h | 1 | ||||
| -rw-r--r-- | target/s390x/translate_vx.c.inc | 19 | ||||
| -rw-r--r-- | target/s390x/vec_fpu_helper.c | 13 |
3 files changed, 30 insertions, 3 deletions
diff --git a/target/s390x/helper.h b/target/s390x/helper.h index dca436f..b5ba159 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -285,6 +285,7 @@ DEF_HELPER_FLAGS_4(gvec_vfi32, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfi64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfi128, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfll32, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) +DEF_HELPER_FLAGS_4(gvec_vfll64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vflr64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_5(gvec_vfm32, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32) DEF_HELPER_FLAGS_5(gvec_vfm64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32) diff --git a/target/s390x/translate_vx.c.inc b/target/s390x/translate_vx.c.inc index 822a9d0..472afca 100644 --- a/target/s390x/translate_vx.c.inc +++ b/target/s390x/translate_vx.c.inc @@ -2781,14 +2781,27 @@ static DisasJumpType op_vfll(DisasContext *s, DisasOps *o) { const uint8_t fpf = get_field(s, m3); const uint8_t m4 = get_field(s, m4); + gen_helper_gvec_2_ptr *fn = NULL; - if (fpf != FPF_SHORT || extract32(m4, 0, 3)) { + switch (fpf) { + case FPF_SHORT: + fn = gen_helper_gvec_vfll32; + break; + case FPF_LONG: + if (s390_has_feat(S390_FEAT_VECTOR_ENH)) { + fn = gen_helper_gvec_vfll64; + } + break; + default: + break; + } + + if (!fn || extract32(m4, 0, 3)) { gen_program_exception(s, PGM_SPECIFICATION); return DISAS_NORETURN; } - gen_gvec_2_ptr(get_field(s, v1), get_field(s, v2), cpu_env, - m4, gen_helper_gvec_vfll32); + gen_gvec_2_ptr(get_field(s, v1), get_field(s, v2), cpu_env, m4, fn); return DISAS_NEXT; } diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c index fba5261..75e3212 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -522,6 +522,19 @@ void HELPER(gvec_vfll32)(void *v1, const void *v2, CPUS390XState *env, *(S390Vector *)v1 = tmp; } +void HELPER(gvec_vfll64)(void *v1, const void *v2, CPUS390XState *env, + uint32_t desc) +{ + /* load from even element */ + const float128 ret = float64_to_float128(s390_vec_read_float64(v2, 0), + &env->fpu_status); + uint8_t vxc, vec_exc = 0; + + vxc = check_ieee_exc(env, 0, false, &vec_exc); + handle_ieee_exc(env, vxc, vec_exc, GETPC()); + s390_vec_write_float128(v1, ret); +} + void HELPER(gvec_vflr64)(void *v1, const void *v2, CPUS390XState *env, uint32_t desc) { |