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Diffstat (limited to 'target/s390x/translate.c')
-rw-r--r--target/s390x/translate.c235
1 files changed, 172 insertions, 63 deletions
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 80952a30f9..7dc485e989 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -1776,160 +1776,257 @@ static DisasJumpType op_cxb(DisasContext *s, DisasOps *o)
return DISAS_NEXT;
}
+static TCGv_i32 fpinst_extract_m34(DisasContext *s, bool m3_with_fpe,
+ bool m4_with_fpe)
+{
+ const bool fpe = s390_has_feat(S390_FEAT_FLOATING_POINT_EXT);
+ uint8_t m3 = get_field(s->fields, m3);
+ uint8_t m4 = get_field(s->fields, m4);
+
+ /* m3 field was introduced with FPE */
+ if (!fpe && m3_with_fpe) {
+ m3 = 0;
+ }
+ /* m4 field was introduced with FPE */
+ if (!fpe && m4_with_fpe) {
+ m4 = 0;
+ }
+
+ /* Check for valid rounding modes. Mode 3 was introduced later. */
+ if (m3 == 2 || m3 > 7 || (!fpe && m3 == 3)) {
+ gen_program_exception(s, PGM_SPECIFICATION);
+ return NULL;
+ }
+
+ return tcg_const_i32(deposit32(m3, 4, 4, m4));
+}
+
static DisasJumpType op_cfeb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cfeb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cfeb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f32(s, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_cfdb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cfdb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cfdb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f64(s, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_cfxb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cfxb(o->out, cpu_env, o->in1, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cfxb(o->out, cpu_env, o->in1, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f128(s, o->in1, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_cgeb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cgeb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cgeb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f32(s, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_cgdb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cgdb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cgdb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f64(s, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_cgxb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cgxb(o->out, cpu_env, o->in1, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cgxb(o->out, cpu_env, o->in1, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f128(s, o->in1, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_clfeb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_clfeb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, false);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_clfeb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f32(s, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_clfdb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_clfdb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, false);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_clfdb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f64(s, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_clfxb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_clfxb(o->out, cpu_env, o->in1, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, false);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_clfxb(o->out, cpu_env, o->in1, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f128(s, o->in1, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_clgeb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_clgeb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, false);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_clgeb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f32(s, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_clgdb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_clgdb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, false);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_clgdb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f64(s, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_clgxb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_clgxb(o->out, cpu_env, o->in1, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, false);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_clgxb(o->out, cpu_env, o->in1, o->in2, m34);
+ tcg_temp_free_i32(m34);
gen_set_cc_nz_f128(s, o->in1, o->in2);
return DISAS_NEXT;
}
static DisasJumpType op_cegb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cegb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, true, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cegb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
return DISAS_NEXT;
}
static DisasJumpType op_cdgb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cdgb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, true, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cdgb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
return DISAS_NEXT;
}
static DisasJumpType op_cxgb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cxgb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, true, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cxgb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
return_low128(o->out2);
return DISAS_NEXT;
}
static DisasJumpType op_celgb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_celgb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, false);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_celgb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
return DISAS_NEXT;
}
static DisasJumpType op_cdlgb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cdlgb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, false);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cdlgb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
return DISAS_NEXT;
}
static DisasJumpType op_cxlgb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_cxlgb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, false);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_cxlgb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
return_low128(o->out2);
return DISAS_NEXT;
}
@@ -2408,26 +2505,38 @@ static DisasJumpType op_ex(DisasContext *s, DisasOps *o)
static DisasJumpType op_fieb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_fieb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_fieb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
return DISAS_NEXT;
}
static DisasJumpType op_fidb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_fidb(o->out, cpu_env, o->in2, m3);
- tcg_temp_free_i32(m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_fidb(o->out, cpu_env, o->in2, m34);
+ tcg_temp_free_i32(m34);
return DISAS_NEXT;
}
static DisasJumpType op_fixb(DisasContext *s, DisasOps *o)
{
- TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
- gen_helper_fixb(o->out, cpu_env, o->in1, o->in2, m3);
+ TCGv_i32 m34 = fpinst_extract_m34(s, false, true);
+
+ if (!m34) {
+ return DISAS_NORETURN;
+ }
+ gen_helper_fixb(o->out, cpu_env, o->in1, o->in2, m34);
return_low128(o->out2);
- tcg_temp_free_i32(m3);
+ tcg_temp_free_i32(m34);
return DISAS_NEXT;
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-23 08:21:29 +0000