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target-s390: Convert MULTIPLY AND ADD, SUBTRACT

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Use the new float*_muladd interface to softfloat.

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2012-08-23 12:30:12 -07:00
parent 83b00736f3
commit 722bfec331
4 changed files with 72 additions and 67 deletions
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63
target-s390x/translate.c
View file

@ -990,7 +990,7 @@ static void free_compare(DisasCompare *c)
static void disas_ed(CPUS390XState *env, DisasContext *s, int op, int r1,
int x2, int b2, int d2, int r1b)
{
TCGv_i32 tmp_r1, tmp32;
TCGv_i32 tmp_r1;
TCGv_i64 addr;
addr = get_address(s, x2, b2, d2);
tmp_r1 = tcg_const_i32(r1);
@ -1010,13 +1010,6 @@ static void disas_ed(CPUS390XState *env, DisasContext *s, int op, int r1,
gen_helper_tcxb(cc_op, cpu_env, tmp_r1, addr);
set_cc_static(s);
break;
case 0x1e: /* MADB R1,R3,D2(X2,B2) [RXF] */
/* for RXF insns, r1 is R3 and r1b is R1 */
tmp32 = tcg_const_i32(r1b);
potential_page_fault(s);
gen_helper_madb(cpu_env, tmp32, addr, tmp_r1);
tcg_temp_free_i32(tmp32);
break;
default:
LOG_DISAS("illegal ed operation 0x%x\n", op);
gen_illegal_opcode(s);
@ -1439,30 +1432,6 @@ static void disas_b3(CPUS390XState *env, DisasContext *s, int op, int m3,
case 0x15: /* SQBDR R1,R2 [RRE] */
FP_HELPER(sqdbr);
break;
case 0xe: /* MAEBR R1,R3,R2 [RRF] */
case 0x1e: /* MADBR R1,R3,R2 [RRF] */
case 0x1f: /* MSDBR R1,R3,R2 [RRF] */
/* for RRF insns, m3 is R1, r1 is R3, and r2 is R2 */
tmp32_1 = tcg_const_i32(m3);
tmp32_2 = tcg_const_i32(r2);
tmp32_3 = tcg_const_i32(r1);
switch (op) {
case 0xe:
gen_helper_maebr(cpu_env, tmp32_1, tmp32_3, tmp32_2);
break;
case 0x1e:
gen_helper_madbr(cpu_env, tmp32_1, tmp32_3, tmp32_2);
break;
case 0x1f:
gen_helper_msdbr(cpu_env, tmp32_1, tmp32_3, tmp32_2);
break;
default:
tcg_abort();
}
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0x40: /* LPXBR R1,R2 [RRE] */
FP_HELPER_CC(lpxbr);
break;
@ -2837,6 +2806,36 @@ static ExitStatus op_mxdb(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
static ExitStatus op_maeb(DisasContext *s, DisasOps *o)
{
TCGv_i64 r3 = load_freg32_i64(get_field(s->fields, r3));
gen_helper_maeb(o->out, cpu_env, o->in1, o->in2, r3);
tcg_temp_free_i64(r3);
return NO_EXIT;
}
static ExitStatus op_madb(DisasContext *s, DisasOps *o)
{
int r3 = get_field(s->fields, r3);
gen_helper_madb(o->out, cpu_env, o->in1, o->in2, fregs[r3]);
return NO_EXIT;
}
static ExitStatus op_mseb(DisasContext *s, DisasOps *o)
{
TCGv_i64 r3 = load_freg32_i64(get_field(s->fields, r3));
gen_helper_mseb(o->out, cpu_env, o->in1, o->in2, r3);
tcg_temp_free_i64(r3);
return NO_EXIT;
}
static ExitStatus op_msdb(DisasContext *s, DisasOps *o)
{
int r3 = get_field(s->fields, r3);
gen_helper_msdb(o->out, cpu_env, o->in1, o->in2, fregs[r3]);
return NO_EXIT;
}
static ExitStatus op_nabs(DisasContext *s, DisasOps *o)
{
gen_helper_nabs_i64(o->out, o->in2);