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target-s390: Convert CONVERT FROM FIXED

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Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2012-08-23 21:08:22 -07:00
parent 68c8bd93cc
commit 683bb9a888
4 changed files with 66 additions and 104 deletions
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73
target-s390x/translate.c
View file

@ -1381,8 +1381,7 @@ static void disas_b2(CPUS390XState *env, DisasContext *s, int op,
static void disas_b3(CPUS390XState *env, DisasContext *s, int op, int m3,
int r1, int r2)
{
TCGv_i64 tmp;
TCGv_i32 tmp32_1, tmp32_2;
TCGv_i32 tmp32_1;
LOG_DISAS("disas_b3: op 0x%x m3 0x%x r1 %d r2 %d\n", op, m3, r1, r2);
#define FP_HELPER(i) \
tmp32_1 = tcg_const_i32(r1); \
@ -1405,51 +1404,6 @@ static void disas_b3(CPUS390XState *env, DisasContext *s, int op, int m3,
tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc));
tcg_temp_free_i32(tmp32_1);
break;
case 0x94: /* CEFBR R1,R2 [RRE] */
case 0x95: /* CDFBR R1,R2 [RRE] */
case 0x96: /* CXFBR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = load_reg32(r2);
switch (op) {
case 0x94:
gen_helper_cefbr(cpu_env, tmp32_1, tmp32_2);
break;
case 0x95:
gen_helper_cdfbr(cpu_env, tmp32_1, tmp32_2);
break;
case 0x96:
gen_helper_cxfbr(cpu_env, tmp32_1, tmp32_2);
break;
default:
tcg_abort();
}
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0xa4: /* CEGBR R1,R2 [RRE] */
case 0xa5: /* CDGBR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp = load_reg(r2);
switch (op) {
case 0xa4:
gen_helper_cegbr(cpu_env, tmp32_1, tmp);
break;
case 0xa5:
gen_helper_cdgbr(cpu_env, tmp32_1, tmp);
break;
default:
tcg_abort();
}
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
case 0xa6: /* CXGBR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp = load_reg(r2);
gen_helper_cxgbr(cpu_env, tmp32_1, tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
default:
LOG_DISAS("illegal b3 operation 0x%x\n", op);
gen_illegal_opcode(s);
@ -2144,6 +2098,31 @@ static ExitStatus op_cgxb(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
static ExitStatus 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);
return NO_EXIT;
}
static ExitStatus 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);
return NO_EXIT;
}
static ExitStatus 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);
return_low128(o->out2);
return NO_EXIT;
}
static ExitStatus op_clc(DisasContext *s, DisasOps *o)
{
int l = get_field(s->fields, l1);