target-s390: Convert LOAD COMPLIMENT, POSITIVE, NEGATIVE

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2012-08-17 11:38:37 -07:00
parent ade9dea429
commit b9bca3e57a
2 changed files with 60 additions and 94 deletions

View File

@ -138,6 +138,10 @@
C(0xb906, LGBR, RRE, EI, 0, r2_8s, 0, r1, mov2, 0)
C(0xe376, LB, RXY_a, LD, 0, a2, new, r1_32, ld8s, 0)
C(0xe377, LGB, RXY_a, LD, 0, a2, r1, 0, ld8s, 0)
/* LOAD COMPLEMENT */
C(0x1300, LCR, RR_a, Z, 0, r2, new, r1_32, neg, neg32)
C(0xb903, LCGR, RRE, Z, 0, r2, r1, 0, neg, neg64)
C(0xb913, LCGFR, RRE, Z, 0, r2_32s, r1, 0, neg, neg64)
/* LOAD HALFWORD */
C(0xb927, LHR, RRE, EI, 0, r2_16s, 0, r1_32, mov2, 0)
C(0xb907, LGHR, RRE, EI, 0, r2_16s, 0, r1, mov2, 0)
@ -175,6 +179,14 @@
D(0xa50d, LLIHL, RI_a, Z, 0, i2_16u_shl, 0, r1, mov2, 0, 32)
D(0xa50e, LLILH, RI_a, Z, 0, i2_16u_shl, 0, r1, mov2, 0, 16)
D(0xa50f, LLILL, RI_a, Z, 0, i2_16u_shl, 0, r1, mov2, 0, 0)
/* LOAD NEGATIVE */
C(0x1100, LNR, RR_a, Z, 0, r2_32s, new, r1_32, nabs, nabs32)
C(0xb901, LNGR, RRE, Z, 0, r2, r1, 0, nabs, nabs64)
C(0xb911, LNGFR, RRE, Z, 0, r2_32s, r1, 0, nabs, nabs64)
/* LOAD POSITIVE */
C(0x1000, LPR, RR_a, Z, 0, r2_32s, new, r1_32, abs, abs32)
C(0xb900, LPGR, RRE, Z, 0, r2, r1, 0, abs, abs64)
C(0xb910, LPGFR, RRE, Z, 0, r2_32s, r1, 0, abs, abs64)
/* MULTIPLY */
C(0x1c00, MR, RR_a, Z, r1p1_32s, r2_32s, new, r1_D32, mul, 0)

View File

@ -570,42 +570,12 @@ static void set_cc_addu64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2,
gen_op_update3_cc_i64(s, CC_OP_ADDU_64, v1, v2, vr);
}
static void set_cc_abs64(DisasContext *s, TCGv_i64 v1)
{
gen_op_update1_cc_i64(s, CC_OP_ABS_64, v1);
}
static void set_cc_nabs64(DisasContext *s, TCGv_i64 v1)
{
gen_op_update1_cc_i64(s, CC_OP_NABS_64, v1);
}
static void set_cc_addu32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
TCGv_i32 vr)
{
gen_op_update3_cc_i32(s, CC_OP_ADDU_32, v1, v2, vr);
}
static void set_cc_abs32(DisasContext *s, TCGv_i32 v1)
{
gen_op_update1_cc_i32(s, CC_OP_ABS_32, v1);
}
static void set_cc_nabs32(DisasContext *s, TCGv_i32 v1)
{
gen_op_update1_cc_i32(s, CC_OP_NABS_32, v1);
}
static void set_cc_comp32(DisasContext *s, TCGv_i32 v1)
{
gen_op_update1_cc_i32(s, CC_OP_COMP_32, v1);
}
static void set_cc_comp64(DisasContext *s, TCGv_i64 v1)
{
gen_op_update1_cc_i64(s, CC_OP_COMP_64, v1);
}
static void set_cc_icm(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
{
gen_op_update2_cc_i32(s, CC_OP_ICM, v1, v2);
@ -2779,43 +2749,6 @@ static void disas_b9(CPUS390XState *env, DisasContext *s, int op, int r1,
LOG_DISAS("disas_b9: op 0x%x r1 %d r2 %d\n", op, r1, r2);
switch (op) {
case 0x0: /* LPGR R1,R2 [RRE] */
case 0x1: /* LNGR R1,R2 [RRE] */
case 0x2: /* LTGR R1,R2 [RRE] */
case 0x3: /* LCGR R1,R2 [RRE] */
case 0x10: /* LPGFR R1,R2 [RRE] */
case 0x11: /* LNFGR R1,R2 [RRE] */
case 0x12: /* LTGFR R1,R2 [RRE] */
case 0x13: /* LCGFR R1,R2 [RRE] */
if (op & 0x10) {
tmp = load_reg32_i64(r2);
} else {
tmp = load_reg(r2);
}
switch (op & 0xf) {
case 0x0: /* LP?GR */
set_cc_abs64(s, tmp);
gen_helper_abs_i64(tmp, tmp);
store_reg(r1, tmp);
break;
case 0x1: /* LN?GR */
set_cc_nabs64(s, tmp);
gen_helper_nabs_i64(tmp, tmp);
store_reg(r1, tmp);
break;
case 0x2: /* LT?GR */
if (r1 != r2) {
store_reg(r1, tmp);
}
set_cc_s64(s, tmp);
break;
case 0x3: /* LC?GR */
tcg_gen_neg_i64(regs[r1], tmp);
set_cc_comp64(s, regs[r1]);
break;
}
tcg_temp_free_i64(tmp);
break;
case 0xd: /* DSGR R1,R2 [RRE] */
case 0x1d: /* DSGFR R1,R2 [RRE] */
tmp = load_reg(r1 + 1);
@ -3127,33 +3060,6 @@ static void disas_s390_insn(CPUS390XState *env, DisasContext *s)
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x10: /* LPR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r2);
set_cc_abs32(s, tmp32_1);
gen_helper_abs_i32(tmp32_1, tmp32_1);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x11: /* LNR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r2);
set_cc_nabs32(s, tmp32_1);
gen_helper_nabs_i32(tmp32_1, tmp32_1);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x13: /* LCR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r2);
tcg_gen_neg_i32(tmp32_1, tmp32_1);
store_reg32(r1, tmp32_1);
set_cc_comp32(s, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x1d: /* DR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
@ -4188,6 +4094,12 @@ struct DisasInsn {
/* The operations. These perform the bulk of the work for any insn,
usually after the operands have been loaded and output initialized. */
static ExitStatus op_abs(DisasContext *s, DisasOps *o)
{
gen_helper_abs_i64(o->out, o->in2);
return NO_EXIT;
}
static ExitStatus op_add(DisasContext *s, DisasOps *o)
{
tcg_gen_add_i64(o->out, o->in1, o->in2);
@ -4264,6 +4176,18 @@ static ExitStatus op_mul128(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
static ExitStatus op_nabs(DisasContext *s, DisasOps *o)
{
gen_helper_nabs_i64(o->out, o->in2);
return NO_EXIT;
}
static ExitStatus op_neg(DisasContext *s, DisasOps *o)
{
tcg_gen_neg_i64(o->out, o->in2);
return NO_EXIT;
}
static ExitStatus op_or(DisasContext *s, DisasOps *o)
{
tcg_gen_or_i64(o->out, o->in1, o->in2);
@ -4287,6 +4211,16 @@ static ExitStatus op_xor(DisasContext *s, DisasOps *o)
the original inputs), update the various cc data structures in order to
be able to compute the new condition code. */
static void cout_abs32(DisasContext *s, DisasOps *o)
{
gen_op_update1_cc_i64(s, CC_OP_ABS_32, o->out);
}
static void cout_abs64(DisasContext *s, DisasOps *o)
{
gen_op_update1_cc_i64(s, CC_OP_ABS_64, o->out);
}
static void cout_adds32(DisasContext *s, DisasOps *o)
{
gen_op_update3_cc_i64(s, CC_OP_ADD_32, o->in1, o->in2, o->out);
@ -4327,6 +4261,26 @@ static void cout_cmpu64(DisasContext *s, DisasOps *o)
gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, o->in1, o->in2);
}
static void cout_nabs32(DisasContext *s, DisasOps *o)
{
gen_op_update1_cc_i64(s, CC_OP_NABS_32, o->out);
}
static void cout_nabs64(DisasContext *s, DisasOps *o)
{
gen_op_update1_cc_i64(s, CC_OP_NABS_64, o->out);
}
static void cout_neg32(DisasContext *s, DisasOps *o)
{
gen_op_update1_cc_i64(s, CC_OP_COMP_32, o->out);
}
static void cout_neg64(DisasContext *s, DisasOps *o)
{
gen_op_update1_cc_i64(s, CC_OP_COMP_64, o->out);
}
static void cout_nz32(DisasContext *s, DisasOps *o)
{
tcg_gen_ext32u_i64(cc_dst, o->out);