s390x/tcg: Simplify vftci64() handling
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20210608092337.12221-7-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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@ -273,7 +273,6 @@ DEF_HELPER_FLAGS_6(gvec_vfms64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, en
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DEF_HELPER_FLAGS_4(gvec_vfsq64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
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DEF_HELPER_FLAGS_5(gvec_vfs64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
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DEF_HELPER_4(gvec_vftci64, void, ptr, cptr, env, i32)
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DEF_HELPER_4(gvec_vftci64s, void, ptr, cptr, env, i32)
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#ifndef CONFIG_USER_ONLY
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DEF_HELPER_3(servc, i32, env, i64, i64)
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@ -2680,17 +2680,14 @@ static DisasJumpType op_vftci(DisasContext *s, DisasOps *o)
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const uint16_t i3 = get_field(s, i3);
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const uint8_t fpf = get_field(s, m4);
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const uint8_t m5 = get_field(s, m5);
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gen_helper_gvec_2_ptr *fn = gen_helper_gvec_vftci64;
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if (fpf != FPF_LONG || extract32(m5, 0, 3)) {
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gen_program_exception(s, PGM_SPECIFICATION);
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return DISAS_NORETURN;
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}
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if (extract32(m5, 3, 1)) {
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fn = gen_helper_gvec_vftci64s;
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}
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gen_gvec_2_ptr(get_field(s, v1), get_field(s, v2), cpu_env, i3, fn);
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gen_gvec_2_ptr(get_field(s, v1), get_field(s, v2), cpu_env,
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deposit32(m5, 4, 12, i3), gen_helper_gvec_vftci64);
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set_cc_static(s);
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return DISAS_NEXT;
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}
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@ -413,13 +413,15 @@ void HELPER(gvec_vfms64s)(void *v1, const void *v2, const void *v3,
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vfma64(v1, v2, v3, v4, env, true, float_muladd_negate_c, GETPC());
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}
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static int vftci64(S390Vector *v1, const S390Vector *v2, CPUS390XState *env,
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bool s, uint16_t i3)
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void HELPER(gvec_vftci64)(void *v1, const void *v2, CPUS390XState *env,
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uint32_t desc)
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{
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const uint16_t i3 = extract32(simd_data(desc), 4, 12);
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const bool s = extract32(simd_data(desc), 3, 1);
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int i, match = 0;
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for (i = 0; i < 2; i++) {
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float64 a = s390_vec_read_element64(v2, i);
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const float64 a = s390_vec_read_float64(v2, i);
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if (float64_dcmask(env, a) & i3) {
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match++;
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@ -432,20 +434,11 @@ static int vftci64(S390Vector *v1, const S390Vector *v2, CPUS390XState *env,
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}
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}
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if (match) {
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return s || match == 2 ? 0 : 1;
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if (match == 2 || (s && match)) {
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env->cc_op = 0;
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} else if (match) {
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env->cc_op = 1;
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} else {
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env->cc_op = 3;
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}
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return 3;
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}
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void HELPER(gvec_vftci64)(void *v1, const void *v2, CPUS390XState *env,
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uint32_t desc)
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{
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env->cc_op = vftci64(v1, v2, env, false, simd_data(desc));
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}
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void HELPER(gvec_vftci64s)(void *v1, const void *v2, CPUS390XState *env,
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uint32_t desc)
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{
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env->cc_op = vftci64(v1, v2, env, true, simd_data(desc));
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}
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