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-rw-r--r--target-cris/translate.c287
1 files changed, 219 insertions, 68 deletions
diff --git a/target-cris/translate.c b/target-cris/translate.c
index fffc98d37e..854878ebf5 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -223,9 +223,9 @@ static inline void t_gen_mov_preg_TN(int r, TCGv tn)
}
}
-static inline void t_gen_mov_TN_im(TCGv tn, int32_t val)
+static inline void t_gen_raise_exception(uint32_t index)
{
- tcg_gen_movi_tl(tn, val);
+ tcg_gen_helper_0_1(helper_raise_exception, tcg_const_tl(index));
}
static void t_gen_lsl(TCGv d, TCGv a, TCGv b)
@@ -375,6 +375,62 @@ static void t_gen_lz_i32(TCGv d, TCGv x)
tcg_gen_discard_i32(n);
}
+static void t_gen_btst(TCGv d, TCGv s)
+{
+ TCGv sbit;
+ TCGv bset;
+ int l1;
+
+ /* des ref:
+ The N flag is set according to the selected bit in the dest reg.
+ The Z flag is set if the selected bit and all bits to the right are
+ zero.
+ The X flag is cleared.
+ Other flags are left untouched.
+ The destination reg is not affected.
+
+ unsigned int fz, sbit, bset, mask, masked_t0;
+
+ sbit = T1 & 31;
+ bset = !!(T0 & (1 << sbit));
+ mask = sbit == 31 ? -1 : (1 << (sbit + 1)) - 1;
+ masked_t0 = T0 & mask;
+ fz = !(masked_t0 | bset);
+
+ // Clear the X, N and Z flags.
+ T0 = env->pregs[PR_CCS] & ~(X_FLAG | N_FLAG | Z_FLAG);
+ // Set the N and Z flags accordingly.
+ T0 |= (bset << 3) | (fz << 2);
+ */
+
+ l1 = gen_new_label();
+ sbit = tcg_temp_new(TCG_TYPE_TL);
+ bset = tcg_temp_new(TCG_TYPE_TL);
+
+ /* Compute bset and sbit. */
+ tcg_gen_andi_tl(sbit, s, 31);
+ tcg_gen_shl_tl(s, tcg_const_tl(1), sbit);
+ tcg_gen_and_tl(bset, d, s);
+ tcg_gen_shr_tl(bset, bset, sbit);
+ /* Displace to N_FLAG. */
+ tcg_gen_shli_tl(bset, bset, 3);
+
+ tcg_gen_shl_tl(sbit, tcg_const_tl(2), sbit);
+ tcg_gen_subi_tl(sbit, sbit, 1);
+ tcg_gen_and_tl(sbit, d, sbit);
+
+ tcg_gen_andi_tl(d, cpu_PR[PR_CCS], ~(X_FLAG | N_FLAG | Z_FLAG));
+ /* or in the N_FLAG. */
+ tcg_gen_or_tl(d, d, bset);
+ tcg_gen_brcond_tl(TCG_COND_NE, sbit, tcg_const_tl(0), l1);
+ /* or in the Z_FLAG. */
+ tcg_gen_ori_tl(d, d, Z_FLAG);
+ gen_set_label(l1);
+
+ tcg_gen_discard_tl(sbit);
+ tcg_gen_discard_tl(bset);
+}
+
static void t_gen_cris_dstep(TCGv d, TCGv s)
{
int l1;
@@ -738,7 +794,7 @@ static void crisv32_alu_op(DisasContext *dc, int op, int rd, int size)
t_gen_lz_i32(cpu_T[0], cpu_T[1]);
break;
case CC_OP_BTST:
- gen_op_btst_T0_T1();
+ t_gen_btst(cpu_T[0], cpu_T[1]);
writeback = 0;
break;
case CC_OP_MULS:
@@ -846,83 +902,172 @@ static void gen_tst_cc (DisasContext *dc, int cond)
int arith_opt;
/* TODO: optimize more condition codes. */
+
+ /*
+ * If the flags are live, we've gotta look into the bits of CCS.
+ * Otherwise, if we just did an arithmetic operation we try to
+ * evaluate the condition code faster.
+ *
+ * When this function is done, T0 should be non-zero if the condition
+ * code is true.
+ */
arith_opt = arith_cc(dc) && !dc->flags_live;
switch (cond) {
case CC_EQ:
- if (arith_opt)
- gen_op_tst_cc_eq_fast ();
+ if (arith_opt) {
+ /* If cc_result is zero, T0 should be
+ non-zero otherwise T0 should be zero. */
+ int l1;
+ l1 = gen_new_label();
+ tcg_gen_movi_tl(cpu_T[0], 0);
+ tcg_gen_brcond_tl(TCG_COND_NE, cc_result,
+ tcg_const_tl(0), l1);
+ tcg_gen_movi_tl(cpu_T[0], 1);
+ gen_set_label(l1);
+ }
else {
cris_evaluate_flags(dc);
- gen_op_tst_cc_eq ();
+ tcg_gen_andi_tl(cpu_T[0],
+ cpu_PR[PR_CCS], Z_FLAG);
}
break;
case CC_NE:
if (arith_opt)
- gen_op_tst_cc_ne_fast ();
+ tcg_gen_mov_tl(cpu_T[0], cc_result);
else {
cris_evaluate_flags(dc);
- gen_op_tst_cc_ne ();
+ tcg_gen_xori_tl(cpu_T[0], cpu_PR[PR_CCS],
+ Z_FLAG);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], Z_FLAG);
}
break;
case CC_CS:
cris_evaluate_flags(dc);
- gen_op_tst_cc_cs ();
+ tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS], C_FLAG);
break;
case CC_CC:
cris_evaluate_flags(dc);
- gen_op_tst_cc_cc ();
+ tcg_gen_xori_tl(cpu_T[0], cpu_PR[PR_CCS],
+ C_FLAG);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], C_FLAG);
break;
case CC_VS:
cris_evaluate_flags(dc);
- gen_op_tst_cc_vs ();
+ tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS], V_FLAG);
break;
case CC_VC:
cris_evaluate_flags(dc);
- gen_op_tst_cc_vc ();
+ tcg_gen_xori_tl(cpu_T[0], cpu_PR[PR_CCS],
+ V_FLAG);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], V_FLAG);
break;
case CC_PL:
if (arith_opt)
- gen_op_tst_cc_pl_fast ();
+ tcg_gen_shli_tl(cpu_T[0], cc_result, 31);
else {
cris_evaluate_flags(dc);
- gen_op_tst_cc_pl ();
+ tcg_gen_xori_tl(cpu_T[0], cpu_PR[PR_CCS],
+ N_FLAG);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], N_FLAG);
}
break;
case CC_MI:
- if (arith_opt)
- gen_op_tst_cc_mi_fast ();
+ if (arith_opt) {
+ tcg_gen_shli_tl(cpu_T[0], cc_result, 31);
+ tcg_gen_xori_tl(cpu_T[0], cpu_T[0], 1);
+ }
else {
cris_evaluate_flags(dc);
- gen_op_tst_cc_mi ();
+ tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS],
+ N_FLAG);
}
break;
case CC_LS:
cris_evaluate_flags(dc);
- gen_op_tst_cc_ls ();
+ tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS],
+ C_FLAG | Z_FLAG);
break;
case CC_HI:
cris_evaluate_flags(dc);
- gen_op_tst_cc_hi ();
+ {
+ TCGv tmp;
+
+ tmp = tcg_temp_new(TCG_TYPE_TL);
+ tcg_gen_xori_tl(tmp, cpu_PR[PR_CCS],
+ C_FLAG | Z_FLAG);
+ /* Overlay the C flag on top of the Z. */
+ tcg_gen_shli_tl(cpu_T[0], tmp, 2);
+ tcg_gen_and_tl(cpu_T[0], tmp, cpu_T[0]);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], Z_FLAG);
+
+ tcg_gen_discard_tl(tmp);
+ }
break;
case CC_GE:
cris_evaluate_flags(dc);
- gen_op_tst_cc_ge ();
+ /* Overlay the V flag on top of the N. */
+ tcg_gen_shli_tl(cpu_T[0], cpu_PR[PR_CCS], 2);
+ tcg_gen_xor_tl(cpu_T[0],
+ cpu_PR[PR_CCS], cpu_T[0]);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], N_FLAG);
+ tcg_gen_xori_tl(cpu_T[0], cpu_T[0], N_FLAG);
break;
case CC_LT:
cris_evaluate_flags(dc);
- gen_op_tst_cc_lt ();
+ /* Overlay the V flag on top of the N. */
+ tcg_gen_shli_tl(cpu_T[0], cpu_PR[PR_CCS], 2);
+ tcg_gen_xor_tl(cpu_T[0],
+ cpu_PR[PR_CCS], cpu_T[0]);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], N_FLAG);
break;
case CC_GT:
cris_evaluate_flags(dc);
- gen_op_tst_cc_gt ();
+ {
+ TCGv n, z;
+
+ n = tcg_temp_new(TCG_TYPE_TL);
+ z = tcg_temp_new(TCG_TYPE_TL);
+
+ /* To avoid a shift we overlay everything on
+ the V flag. */
+ tcg_gen_shri_tl(n, cpu_PR[PR_CCS], 2);
+ tcg_gen_shri_tl(z, cpu_PR[PR_CCS], 1);
+ /* invert Z. */
+ tcg_gen_xori_tl(z, z, 2);
+
+ tcg_gen_xor_tl(n, n, cpu_PR[PR_CCS]);
+ tcg_gen_xori_tl(n, n, 2);
+ tcg_gen_and_tl(cpu_T[0], z, n);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 2);
+
+ tcg_gen_discard_tl(n);
+ tcg_gen_discard_tl(z);
+ }
break;
case CC_LE:
cris_evaluate_flags(dc);
- gen_op_tst_cc_le ();
+ {
+ TCGv n, z;
+
+ n = tcg_temp_new(TCG_TYPE_TL);
+ z = tcg_temp_new(TCG_TYPE_TL);
+
+ /* To avoid a shift we overlay everything on
+ the V flag. */
+ tcg_gen_shri_tl(n, cpu_PR[PR_CCS], 2);
+ tcg_gen_shri_tl(z, cpu_PR[PR_CCS], 1);
+
+ tcg_gen_xor_tl(n, n, cpu_PR[PR_CCS]);
+ tcg_gen_or_tl(cpu_T[0], z, n);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 2);
+
+ tcg_gen_discard_tl(n);
+ tcg_gen_discard_tl(z);
+ }
break;
case CC_P:
cris_evaluate_flags(dc);
- gen_op_tst_cc_p ();
+ tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS], P_FLAG);
break;
case CC_A:
cris_evaluate_flags(dc);
@@ -944,7 +1089,7 @@ static void cris_prepare_cc_branch (DisasContext *dc, int offset, int cond)
if (cond != CC_A)
{
gen_tst_cc (dc, cond);
- gen_op_evaluate_bcc ();
+ t_gen_mov_env_TN(btaken, cpu_T[0]);
}
tcg_gen_movi_tl(env_btarget, dc->delayed_pc);
}
@@ -1225,7 +1370,7 @@ static unsigned int dec_subq(DisasContext *dc)
cris_cc_mask(dc, CC_MASK_NZVC);
/* Fetch register operand, */
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
- t_gen_mov_TN_im(cpu_T[1], dc->op1);
+ tcg_gen_movi_tl(cpu_T[1], dc->op1);
crisv32_alu_op(dc, CC_OP_SUB, dc->op2, 4);
return 2;
}
@@ -1238,7 +1383,7 @@ static unsigned int dec_cmpq(DisasContext *dc)
DIS(fprintf (logfile, "cmpq %d, $r%d\n", imm, dc->op2));
cris_cc_mask(dc, CC_MASK_NZVC);
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
- t_gen_mov_TN_im(cpu_T[1], imm);
+ tcg_gen_movi_tl(cpu_T[1], imm);
crisv32_alu_op(dc, CC_OP_CMP, dc->op2, 4);
return 2;
}
@@ -1251,7 +1396,7 @@ static unsigned int dec_andq(DisasContext *dc)
DIS(fprintf (logfile, "andq %d, $r%d\n", imm, dc->op2));
cris_cc_mask(dc, CC_MASK_NZ);
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
- t_gen_mov_TN_im(cpu_T[1], imm);
+ tcg_gen_movi_tl(cpu_T[1], imm);
crisv32_alu_op(dc, CC_OP_AND, dc->op2, 4);
return 2;
}
@@ -1263,7 +1408,7 @@ static unsigned int dec_orq(DisasContext *dc)
DIS(fprintf (logfile, "orq %d, $r%d\n", imm, dc->op2));
cris_cc_mask(dc, CC_MASK_NZ);
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
- t_gen_mov_TN_im(cpu_T[1], imm);
+ tcg_gen_movi_tl(cpu_T[1], imm);
crisv32_alu_op(dc, CC_OP_OR, dc->op2, 4);
return 2;
}
@@ -1272,10 +1417,9 @@ static unsigned int dec_btstq(DisasContext *dc)
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4);
DIS(fprintf (logfile, "btstq %u, $r%d\n", dc->op1, dc->op2));
- cris_evaluate_flags(dc);
cris_cc_mask(dc, CC_MASK_NZ);
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
- t_gen_mov_TN_im(cpu_T[1], dc->op1);
+ tcg_gen_movi_tl(cpu_T[1], dc->op1);
crisv32_alu_op(dc, CC_OP_BTST, dc->op2, 4);
cris_update_cc_op(dc, CC_OP_FLAGS, 4);
@@ -1289,7 +1433,7 @@ static unsigned int dec_asrq(DisasContext *dc)
DIS(fprintf (logfile, "asrq %u, $r%d\n", dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZ);
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
- t_gen_mov_TN_im(cpu_T[1], dc->op1);
+ tcg_gen_movi_tl(cpu_T[1], dc->op1);
crisv32_alu_op(dc, CC_OP_ASR, dc->op2, 4);
return 2;
}
@@ -1300,7 +1444,7 @@ static unsigned int dec_lslq(DisasContext *dc)
cris_cc_mask(dc, CC_MASK_NZ);
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
- t_gen_mov_TN_im(cpu_T[1], dc->op1);
+ tcg_gen_movi_tl(cpu_T[1], dc->op1);
crisv32_alu_op(dc, CC_OP_LSL, dc->op2, 4);
return 2;
}
@@ -1311,7 +1455,7 @@ static unsigned int dec_lsrq(DisasContext *dc)
cris_cc_mask(dc, CC_MASK_NZ);
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
- t_gen_mov_TN_im(cpu_T[1], dc->op1);
+ tcg_gen_movi_tl(cpu_T[1], dc->op1);
crisv32_alu_op(dc, CC_OP_LSR, dc->op2, 4);
return 2;
}
@@ -1338,14 +1482,20 @@ static unsigned int dec_scc_r(DisasContext *dc)
if (cond != CC_A)
{
+ int l1;
+
gen_tst_cc (dc, cond);
- tcg_gen_mov_tl(cpu_T[1], cpu_T[0]);
+
+ l1 = gen_new_label();
+ tcg_gen_movi_tl(cpu_R[dc->op1], 0);
+ tcg_gen_brcond_tl(TCG_COND_EQ, cpu_T[0], tcg_const_tl(0), l1);
+ tcg_gen_movi_tl(cpu_R[dc->op1], 1);
+ gen_set_label(l1);
}
else
- tcg_gen_movi_tl(cpu_T[1], 1);
+ tcg_gen_movi_tl(cpu_R[dc->op1], 1);
cris_cc_mask(dc, 0);
- crisv32_alu_op(dc, CC_OP_MOVE, dc->op1, 4);
return 2;
}
@@ -1624,7 +1774,6 @@ static unsigned int dec_btst_r(DisasContext *dc)
{
DIS(fprintf (logfile, "btst $r%u, $r%u\n",
dc->op1, dc->op2));
- cris_evaluate_flags(dc);
cris_cc_mask(dc, CC_MASK_NZ);
dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0);
crisv32_alu_op(dc, CC_OP_BTST, dc->op2, 4);
@@ -1772,10 +1921,18 @@ static unsigned int dec_setclrf(DisasContext *dc)
cris_update_cc_op(dc, CC_OP_FLAGS, 4);
tcg_gen_movi_tl(cc_op, dc->cc_op);
- if (set)
- gen_op_setf(flags);
+ if (set) {
+ if (!dc->user && (flags & U_FLAG)) {
+ /* Enter user mode. */
+ t_gen_mov_env_TN(ksp, cpu_R[R_SP]);
+ tcg_gen_mov_tl(cpu_R[R_SP], cpu_PR[PR_USP]);
+ dc->is_jmp = DISAS_UPDATE;
+ }
+ tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], flags);
+ }
else
- gen_op_clrf(flags);
+ tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~flags);
+
dc->flags_live = 1;
dc->clear_x = 0;
return 2;
@@ -1785,28 +1942,19 @@ static unsigned int dec_move_rs(DisasContext *dc)
{
DIS(fprintf (logfile, "move $r%u, $s%u\n", dc->op1, dc->op2));
cris_cc_mask(dc, 0);
- t_gen_mov_TN_reg(cpu_T[0], dc->op1);
- gen_op_movl_sreg_T0(dc->op2);
-
-#if !defined(CONFIG_USER_ONLY)
- if (dc->op2 == 6)
- gen_op_movl_tlb_hi_T0();
- else if (dc->op2 == 5) { /* srs is checked at runtime. */
- tcg_gen_helper_0_1(helper_tlb_update, cpu_T[0]);
- gen_op_movl_tlb_lo_T0();
- }
-#endif
+ tcg_gen_helper_0_2(helper_movl_sreg_reg,
+ tcg_const_tl(dc->op2), tcg_const_tl(dc->op1));
return 2;
}
static unsigned int dec_move_sr(DisasContext *dc)
{
DIS(fprintf (logfile, "move $s%u, $r%u\n", dc->op2, dc->op1));
cris_cc_mask(dc, 0);
- gen_op_movl_T0_sreg(dc->op2);
- tcg_gen_mov_tl(cpu_T[1], cpu_T[0]);
- crisv32_alu_op(dc, CC_OP_MOVE, dc->op1, 4);
+ tcg_gen_helper_0_2(helper_movl_reg_sreg,
+ tcg_const_tl(dc->op1), tcg_const_tl(dc->op2));
return 2;
}
+
static unsigned int dec_move_rp(DisasContext *dc)
{
DIS(fprintf (logfile, "move $r%u, $p%u\n", dc->op1, dc->op2));
@@ -2024,9 +2172,11 @@ static unsigned int dec_test_m(DisasContext *dc)
dc->op1, dc->postinc ? "+]" : "]",
dc->op2));
+ cris_evaluate_flags(dc);
+
insn_len = dec_prep_alu_m(dc, 0, memsize);
cris_cc_mask(dc, CC_MASK_NZ);
- gen_op_clrf(3);
+ tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~3);
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]);
tcg_gen_movi_tl(cpu_T[1], 0);
@@ -2444,10 +2594,6 @@ static unsigned int dec_rfe_etc(DisasContext *dc)
case 2:
/* rfe. */
cris_evaluate_flags(dc);
- gen_op_ccs_rshift();
- /* FIXME: don't set the P-FLAG if R is set. */
- tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], P_FLAG);
- /* Debug helper. */
tcg_gen_helper_0_0(helper_rfe);
dc->is_jmp = DISAS_UPDATE;
break;
@@ -2460,7 +2606,9 @@ static unsigned int dec_rfe_etc(DisasContext *dc)
tcg_gen_movi_tl(cpu_T[0], dc->pc);
t_gen_mov_env_TN(pc, cpu_T[0]);
/* Breaks start at 16 in the exception vector. */
- gen_op_break_im(dc->op1 + 16);
+ t_gen_mov_env_TN(trap_vector,
+ tcg_const_tl(dc->op1 + 16));
+ t_gen_raise_exception(EXCP_BREAK);
dc->is_jmp = DISAS_UPDATE;
break;
default:
@@ -2642,7 +2790,7 @@ static void check_breakpoint(CPUState *env, DisasContext *dc)
cris_evaluate_flags (dc);
tcg_gen_movi_tl(cpu_T[0], dc->pc);
t_gen_mov_env_TN(pc, cpu_T[0]);
- gen_op_debug();
+ t_gen_raise_exception(EXCP_DEBUG);
dc->is_jmp = DISAS_UPDATE;
}
}
@@ -2689,13 +2837,14 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile,
- "search=%d pc=%x ccs=%x pid=%x usp=%x\n"
+ "search=%d pc=%x ccs=%x pid=%x usp=%x dbg=%x %x %x\n"
"%x.%x.%x.%x\n"
"%x.%x.%x.%x\n"
"%x.%x.%x.%x\n"
"%x.%x.%x.%x\n",
search_pc, env->pc, env->pregs[PR_CCS],
env->pregs[PR_PID], env->pregs[PR_USP],
+ env->debug1, env->debug2, env->debug3,
env->regs[0], env->regs[1], env->regs[2], env->regs[3],
env->regs[4], env->regs[5], env->regs[6], env->regs[7],
env->regs[8], env->regs[9],
@@ -2733,7 +2882,6 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
dc->clear_x = 1;
insn_len = cris_decoder(dc);
- STATS(gen_op_exec_insn());
dc->ppc = dc->pc;
dc->pc += insn_len;
if (dc->clear_x)
@@ -2778,7 +2926,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
cris_evaluate_flags (dc);
done:
if (__builtin_expect(env->singlestep_enabled, 0)) {
- gen_op_debug();
+ t_gen_raise_exception(EXCP_DEBUG);
} else {
switch(dc->is_jmp) {
case DISAS_NEXT:
@@ -2933,13 +3081,16 @@ CPUCRISState *cpu_cris_init (const char *cpu_model)
pregnames[i]);
}
- TCG_HELPER(helper_tlb_update);
- TCG_HELPER(helper_tlb_flush);
- TCG_HELPER(helper_rfe);
+ TCG_HELPER(helper_raise_exception);
TCG_HELPER(helper_store);
TCG_HELPER(helper_dump);
TCG_HELPER(helper_dummy);
+ TCG_HELPER(helper_tlb_flush);
+ TCG_HELPER(helper_movl_sreg_reg);
+ TCG_HELPER(helper_movl_reg_sreg);
+ TCG_HELPER(helper_rfe);
+
TCG_HELPER(helper_evaluate_flags_muls);
TCG_HELPER(helper_evaluate_flags_mulu);
TCG_HELPER(helper_evaluate_flags_mcp);