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target/i386: move cpu_tmp0 to DisasContext 

Signed-off-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Emilio G. Cota 2018-09-11 14:07:57 -04:00 committed by Paolo Bonzini
parent b48597b0ed
commit fbd80f02df
1 changed files with 144 additions and 138 deletions
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282
target/i386/translate.c
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@ -78,8 +78,8 @@ static TCGv cpu_regs[CPU_NB_REGS];
static TCGv cpu_seg_base[6];
static TCGv_i64 cpu_bndl[4];
static TCGv_i64 cpu_bndu[4];
/* local register indexes (only used inside old micro ops) */
static TCGv cpu_tmp0, cpu_tmp4;
static TCGv cpu_tmp4;
static TCGv_ptr cpu_ptr0, cpu_ptr1;
static TCGv_i32 cpu_tmp2_i32, cpu_tmp3_i32;
static TCGv_i64 cpu_tmp1_i64;
@ -139,6 +139,9 @@ typedef struct DisasContext {
TCGv T0;
TCGv T1;
/* TCG local register indexes (only used inside old micro ops) */
TCGv tmp0;
sigjmp_buf jmpbuf;
} DisasContext;
@ -406,16 +409,17 @@ static inline void gen_op_jmp_v(TCGv dest)
tcg_gen_st_tl(dest, cpu_env, offsetof(CPUX86State, eip));
}
static inline void gen_op_add_reg_im(TCGMemOp size, int reg, int32_t val)
static inline
void gen_op_add_reg_im(DisasContext *s, TCGMemOp size, int reg, int32_t val)
{
tcg_gen_addi_tl(cpu_tmp0, cpu_regs[reg], val);
gen_op_mov_reg_v(size, reg, cpu_tmp0);
tcg_gen_addi_tl(s->tmp0, cpu_regs[reg], val);
gen_op_mov_reg_v(size, reg, s->tmp0);
}
static inline void gen_op_add_reg_T0(DisasContext *s, TCGMemOp size, int reg)
{
tcg_gen_add_tl(cpu_tmp0, cpu_regs[reg], s->T0);
gen_op_mov_reg_v(size, reg, cpu_tmp0);
tcg_gen_add_tl(s->tmp0, cpu_regs[reg], s->T0);
gen_op_mov_reg_v(size, reg, s->tmp0);
}
static inline void gen_op_ld_v(DisasContext *s, int idx, TCGv t0, TCGv a0)
@ -437,10 +441,10 @@ static inline void gen_op_st_rm_T0_A0(DisasContext *s, int idx, int d)
}
}
static inline void gen_jmp_im(target_ulong pc)
static inline void gen_jmp_im(DisasContext *s, target_ulong pc)
{
tcg_gen_movi_tl(cpu_tmp0, pc);
gen_op_jmp_v(cpu_tmp0);
tcg_gen_movi_tl(s->tmp0, pc);
gen_op_jmp_v(s->tmp0);
}
/* Compute SEG:REG into A0. SEG is selected from the override segment
@ -556,18 +560,20 @@ static void gen_exts(TCGMemOp ot, TCGv reg)
gen_ext_tl(reg, reg, ot, true);
}
static inline void gen_op_jnz_ecx(TCGMemOp size, TCGLabel *label1)
static inline
void gen_op_jnz_ecx(DisasContext *s, TCGMemOp size, TCGLabel *label1)
{
tcg_gen_mov_tl(cpu_tmp0, cpu_regs[R_ECX]);
gen_extu(size, cpu_tmp0);
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, label1);
tcg_gen_mov_tl(s->tmp0, cpu_regs[R_ECX]);
gen_extu(size, s->tmp0);
tcg_gen_brcondi_tl(TCG_COND_NE, s->tmp0, 0, label1);
}
static inline void gen_op_jz_ecx(TCGMemOp size, TCGLabel *label1)
static inline
void gen_op_jz_ecx(DisasContext *s, TCGMemOp size, TCGLabel *label1)
{
tcg_gen_mov_tl(cpu_tmp0, cpu_regs[R_ECX]);
gen_extu(size, cpu_tmp0);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
tcg_gen_mov_tl(s->tmp0, cpu_regs[R_ECX]);
gen_extu(size, s->tmp0);
tcg_gen_brcondi_tl(TCG_COND_EQ, s->tmp0, 0, label1);
}
static void gen_helper_in_func(TCGMemOp ot, TCGv v, TCGv_i32 n)
@ -627,7 +633,7 @@ static void gen_check_io(DisasContext *s, TCGMemOp ot, target_ulong cur_eip,
}
if(s->flags & HF_SVMI_MASK) {
gen_update_cc_op(s);
gen_jmp_im(cur_eip);
gen_jmp_im(s, cur_eip);
svm_flags |= (1 << (4 + ot));
next_eip = s->pc - s->cs_base;
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, s->T0);
@ -743,9 +749,9 @@ static CCPrepare gen_prepare_eflags_c(DisasContext *s, TCGv reg)
case CC_OP_SUBB ... CC_OP_SUBQ:
/* (DATA_TYPE)CC_SRCT < (DATA_TYPE)CC_SRC */
size = s->cc_op - CC_OP_SUBB;
t1 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, false);
t1 = gen_ext_tl(s->tmp0, cpu_cc_src, size, false);
/* If no temporary was used, be careful not to alias t1 and t0. */
t0 = t1 == cpu_cc_src ? cpu_tmp0 : reg;
t0 = t1 == cpu_cc_src ? s->tmp0 : reg;
tcg_gen_mov_tl(t0, s->cc_srcT);
gen_extu(size, t0);
goto add_sub;
@ -753,7 +759,7 @@ static CCPrepare gen_prepare_eflags_c(DisasContext *s, TCGv reg)
case CC_OP_ADDB ... CC_OP_ADDQ:
/* (DATA_TYPE)CC_DST < (DATA_TYPE)CC_SRC */
size = s->cc_op - CC_OP_ADDB;
t1 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, false);
t1 = gen_ext_tl(s->tmp0, cpu_cc_src, size, false);
t0 = gen_ext_tl(reg, cpu_cc_dst, size, false);
add_sub:
return (CCPrepare) { .cond = TCG_COND_LTU, .reg = t0,
@ -905,7 +911,7 @@ static CCPrepare gen_prepare_cc(DisasContext *s, int b, TCGv reg)
case JCC_BE:
tcg_gen_mov_tl(cpu_tmp4, s->cc_srcT);
gen_extu(size, cpu_tmp4);
t0 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, false);
t0 = gen_ext_tl(s->tmp0, cpu_cc_src, size, false);
cc = (CCPrepare) { .cond = TCG_COND_LEU, .reg = cpu_tmp4,
.reg2 = t0, .mask = -1, .use_reg2 = true };
break;
@ -918,7 +924,7 @@ static CCPrepare gen_prepare_cc(DisasContext *s, int b, TCGv reg)
fast_jcc_l:
tcg_gen_mov_tl(cpu_tmp4, s->cc_srcT);
gen_exts(size, cpu_tmp4);
t0 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, true);
t0 = gen_ext_tl(s->tmp0, cpu_cc_src, size, true);
cc = (CCPrepare) { .cond = cond, .reg = cpu_tmp4,
.reg2 = t0, .mask = -1, .use_reg2 = true };
break;
@ -955,7 +961,7 @@ static CCPrepare gen_prepare_cc(DisasContext *s, int b, TCGv reg)
case JCC_L:
gen_compute_eflags(s);
if (reg == cpu_cc_src) {
reg = cpu_tmp0;
reg = s->tmp0;
}
tcg_gen_shri_tl(reg, cpu_cc_src, 4); /* CC_O -> CC_S */
tcg_gen_xor_tl(reg, reg, cpu_cc_src);
@ -966,7 +972,7 @@ static CCPrepare gen_prepare_cc(DisasContext *s, int b, TCGv reg)
case JCC_LE:
gen_compute_eflags(s);
if (reg == cpu_cc_src) {
reg = cpu_tmp0;
reg = s->tmp0;
}
tcg_gen_shri_tl(reg, cpu_cc_src, 4); /* CC_O -> CC_S */
tcg_gen_xor_tl(reg, reg, cpu_cc_src);
@ -1061,7 +1067,7 @@ static TCGLabel *gen_jz_ecx_string(DisasContext *s, target_ulong next_eip)
{
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
gen_op_jnz_ecx(s->aflag, l1);
gen_op_jnz_ecx(s, s->aflag, l1);
gen_set_label(l2);
gen_jmp_tb(s, next_eip, 1);
gen_set_label(l1);
@ -1171,11 +1177,11 @@ static inline void gen_repz_ ## op(DisasContext *s, TCGMemOp ot, \
gen_update_cc_op(s); \
l2 = gen_jz_ecx_string(s, next_eip); \
gen_ ## op(s, ot); \
gen_op_add_reg_im(s->aflag, R_ECX, -1); \
gen_op_add_reg_im(s, s->aflag, R_ECX, -1); \
/* a loop would cause two single step exceptions if ECX = 1 \
before rep string_insn */ \
if (s->repz_opt) \
gen_op_jz_ecx(s->aflag, l2); \
gen_op_jz_ecx(s, s->aflag, l2); \
gen_jmp(s, cur_eip); \
}
@ -1189,11 +1195,11 @@ static inline void gen_repz_ ## op(DisasContext *s, TCGMemOp ot, \
gen_update_cc_op(s); \
l2 = gen_jz_ecx_string(s, next_eip); \
gen_ ## op(s, ot); \
gen_op_add_reg_im(s->aflag, R_ECX, -1); \
gen_op_add_reg_im(s, s->aflag, R_ECX, -1); \
gen_update_cc_op(s); \
gen_jcc1(s, (JCC_Z << 1) | (nz ^ 1), l2); \
if (s->repz_opt) \
gen_op_jz_ecx(s->aflag, l2); \
gen_op_jz_ecx(s, s->aflag, l2); \
gen_jmp(s, cur_eip); \
}
@ -1447,27 +1453,27 @@ static void gen_shift_rm_T1(DisasContext *s, TCGMemOp ot, int op1,
}
tcg_gen_andi_tl(s->T1, s->T1, mask);
tcg_gen_subi_tl(cpu_tmp0, s->T1, 1);
tcg_gen_subi_tl(s->tmp0, s->T1, 1);
if (is_right) {
if (is_arith) {
gen_exts(ot, s->T0);
tcg_gen_sar_tl(cpu_tmp0, s->T0, cpu_tmp0);
tcg_gen_sar_tl(s->tmp0, s->T0, s->tmp0);
tcg_gen_sar_tl(s->T0, s->T0, s->T1);
} else {
gen_extu(ot, s->T0);
tcg_gen_shr_tl(cpu_tmp0, s->T0, cpu_tmp0);
tcg_gen_shr_tl(s->tmp0, s->T0, s->tmp0);
tcg_gen_shr_tl(s->T0, s->T0, s->T1);
}
} else {
tcg_gen_shl_tl(cpu_tmp0, s->T0, cpu_tmp0);
tcg_gen_shl_tl(s->tmp0, s->T0, s->tmp0);
tcg_gen_shl_tl(s->T0, s->T0, s->T1);
}
/* store */
gen_op_st_rm_T0_A0(s, ot, op1);
gen_shift_flags(s, ot, s->T0, cpu_tmp0, s->T1, is_right);
gen_shift_flags(s, ot, s->T0, s->tmp0, s->T1, is_right);
}
static void gen_shift_rm_im(DisasContext *s, TCGMemOp ot, int op1, int op2,
@ -1640,9 +1646,9 @@ static void gen_rot_rm_im(DisasContext *s, TCGMemOp ot, int op1, int op2,
shift = mask + 1 - shift;
}
gen_extu(ot, s->T0);
tcg_gen_shli_tl(cpu_tmp0, s->T0, shift);
tcg_gen_shli_tl(s->tmp0, s->T0, shift);
tcg_gen_shri_tl(s->T0, s->T0, mask + 1 - shift);
tcg_gen_or_tl(s->T0, s->T0, cpu_tmp0);
tcg_gen_or_tl(s->T0, s->T0, s->tmp0);
break;
}
}
@ -1751,9 +1757,9 @@ static void gen_shiftd_rm_T1(DisasContext *s, TCGMemOp ot, int op1,
This means "shrdw C, B, A" shifts A:B:A >> C. Build the B:A
portion by constructing it as a 32-bit value. */
if (is_right) {
tcg_gen_deposit_tl(cpu_tmp0, s->T0, s->T1, 16, 16);
tcg_gen_deposit_tl(s->tmp0, s->T0, s->T1, 16, 16);
tcg_gen_mov_tl(s->T1, s->T0);
tcg_gen_mov_tl(s->T0, cpu_tmp0);
tcg_gen_mov_tl(s->T0, s->tmp0);
} else {
tcg_gen_deposit_tl(s->T1, s->T0, s->T1, 16, 16);
}
@ -1761,35 +1767,35 @@ static void gen_shiftd_rm_T1(DisasContext *s, TCGMemOp ot, int op1,
#ifdef TARGET_X86_64
case MO_32:
/* Concatenate the two 32-bit values and use a 64-bit shift. */
tcg_gen_subi_tl(cpu_tmp0, count, 1);
tcg_gen_subi_tl(s->tmp0, count, 1);
if (is_right) {
tcg_gen_concat_tl_i64(s->T0, s->T0, s->T1);
tcg_gen_shr_i64(cpu_tmp0, s->T0, cpu_tmp0);
tcg_gen_shr_i64(s->tmp0, s->T0, s->tmp0);
tcg_gen_shr_i64(s->T0, s->T0, count);
} else {
tcg_gen_concat_tl_i64(s->T0, s->T1, s->T0);
tcg_gen_shl_i64(cpu_tmp0, s->T0, cpu_tmp0);
tcg_gen_shl_i64(s->tmp0, s->T0, s->tmp0);
tcg_gen_shl_i64(s->T0, s->T0, count);
tcg_gen_shri_i64(cpu_tmp0, cpu_tmp0, 32);
tcg_gen_shri_i64(s->tmp0, s->tmp0, 32);
tcg_gen_shri_i64(s->T0, s->T0, 32);
}
break;
#endif
default:
tcg_gen_subi_tl(cpu_tmp0, count, 1);
tcg_gen_subi_tl(s->tmp0, count, 1);
if (is_right) {
tcg_gen_shr_tl(cpu_tmp0, s->T0, cpu_tmp0);
tcg_gen_shr_tl(s->tmp0, s->T0, s->tmp0);
tcg_gen_subfi_tl(cpu_tmp4, mask + 1, count);
tcg_gen_shr_tl(s->T0, s->T0, count);
tcg_gen_shl_tl(s->T1, s->T1, cpu_tmp4);
} else {
tcg_gen_shl_tl(cpu_tmp0, s->T0, cpu_tmp0);
tcg_gen_shl_tl(s->tmp0, s->T0, s->tmp0);
if (ot == MO_16) {
/* Only needed if count > 16, for Intel behaviour. */
tcg_gen_subfi_tl(cpu_tmp4, 33, count);
tcg_gen_shr_tl(cpu_tmp4, s->T1, cpu_tmp4);
tcg_gen_or_tl(cpu_tmp0, cpu_tmp0, cpu_tmp4);
tcg_gen_or_tl(s->tmp0, s->tmp0, cpu_tmp4);
}
tcg_gen_subfi_tl(cpu_tmp4, mask + 1, count);
@ -1806,7 +1812,7 @@ static void gen_shiftd_rm_T1(DisasContext *s, TCGMemOp ot, int op1,
/* store */
gen_op_st_rm_T0_A0(s, ot, op1);
gen_shift_flags(s, ot, s->T0, cpu_tmp0, count, is_right);
gen_shift_flags(s, ot, s->T0, s->tmp0, count, is_right);
tcg_temp_free(count);
}
@ -2196,13 +2202,13 @@ static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip)
if (use_goto_tb(s, pc)) {
/* jump to same page: we can use a direct jump */
tcg_gen_goto_tb(tb_num);
gen_jmp_im(eip);
gen_jmp_im(s, eip);
tcg_gen_exit_tb(s->base.tb, tb_num);
s->base.is_jmp = DISAS_NORETURN;
} else {
/* jump to another page */
gen_jmp_im(eip);
gen_jr(s, cpu_tmp0);
gen_jmp_im(s, eip);
gen_jr(s, s->tmp0);
}
}
@ -2224,11 +2230,11 @@ static inline void gen_jcc(DisasContext *s, int b,
l2 = gen_new_label();
gen_jcc1(s, b, l1);
gen_jmp_im(next_eip);
gen_jmp_im(s, next_eip);
tcg_gen_br(l2);
gen_set_label(l1);
gen_jmp_im(val);
gen_jmp_im(s, val);
gen_set_label(l2);
gen_eob(s);
}
@ -2312,7 +2318,7 @@ gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start,
if (likely(!(s->flags & HF_SVMI_MASK)))
return;
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_svm_check_intercept_param(cpu_env, tcg_const_i32(type),
tcg_const_i64(param));
}
@ -2325,7 +2331,7 @@ gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t type)
static inline void gen_stack_update(DisasContext *s, int addend)
{
gen_op_add_reg_im(mo_stacksize(s), R_ESP, addend);
gen_op_add_reg_im(s, mo_stacksize(s), R_ESP, addend);
}
/* Generate a push. It depends on ss32, addseg and dflag. */
@ -2427,11 +2433,11 @@ static void gen_enter(DisasContext *s, int esp_addend, int level)
for (i = 1; i < level; ++i) {
tcg_gen_subi_tl(s->A0, cpu_regs[R_EBP], size * i);
gen_lea_v_seg(s, a_ot, s->A0, R_SS, -1);
gen_op_ld_v(s, d_ot, cpu_tmp0, s->A0);
gen_op_ld_v(s, d_ot, s->tmp0, s->A0);
tcg_gen_subi_tl(s->A0, s->T1, size * i);
gen_lea_v_seg(s, a_ot, s->A0, R_SS, -1);
gen_op_st_v(s, d_ot, cpu_tmp0, s->A0);
gen_op_st_v(s, d_ot, s->tmp0, s->A0);
}
/* Push the current FrameTemp as the last level. */
@ -2465,7 +2471,7 @@ static void gen_leave(DisasContext *s)
static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip)
{
gen_update_cc_op(s);
gen_jmp_im(cur_eip);
gen_jmp_im(s, cur_eip);
gen_helper_raise_exception(cpu_env, tcg_const_i32(trapno));
s->base.is_jmp = DISAS_NORETURN;
}
@ -2502,7 +2508,7 @@ static void gen_interrupt(DisasContext *s, int intno,
target_ulong cur_eip, target_ulong next_eip)
{
gen_update_cc_op(s);
gen_jmp_im(cur_eip);
gen_jmp_im(s, cur_eip);
gen_helper_raise_interrupt(cpu_env, tcg_const_i32(intno),
tcg_const_i32(next_eip - cur_eip));
s->base.is_jmp = DISAS_NORETURN;
@ -2511,7 +2517,7 @@ static void gen_interrupt(DisasContext *s, int intno,
static void gen_debug(DisasContext *s, target_ulong cur_eip)
{
gen_update_cc_op(s);
gen_jmp_im(cur_eip);
gen_jmp_im(s, cur_eip);
gen_helper_debug(cpu_env);
s->base.is_jmp = DISAS_NORETURN;
}
@ -2621,7 +2627,7 @@ static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num)
if (s->jmp_opt) {
gen_goto_tb(s, tb_num, eip);
} else {
gen_jmp_im(eip);
gen_jmp_im(s, eip);
gen_eob(s);
}
}
@ -2648,8 +2654,8 @@ static inline void gen_ldo_env_A0(DisasContext *s, int offset)
int mem_index = s->mem_index;
tcg_gen_qemu_ld_i64(cpu_tmp1_i64, s->A0, mem_index, MO_LEQ);
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(0)));
tcg_gen_addi_tl(cpu_tmp0, s->A0, 8);
tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_tmp0, mem_index, MO_LEQ);
tcg_gen_addi_tl(s->tmp0, s->A0, 8);
tcg_gen_qemu_ld_i64(cpu_tmp1_i64, s->tmp0, mem_index, MO_LEQ);
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(1)));
}
@ -2658,9 +2664,9 @@ static inline void gen_sto_env_A0(DisasContext *s, int offset)
int mem_index = s->mem_index;
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(0)));
tcg_gen_qemu_st_i64(cpu_tmp1_i64, s->A0, mem_index, MO_LEQ);
tcg_gen_addi_tl(cpu_tmp0, s->A0, 8);
tcg_gen_addi_tl(s->tmp0, s->A0, 8);
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(1)));
tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_tmp0, mem_index, MO_LEQ);
tcg_gen_qemu_st_i64(cpu_tmp1_i64, s->tmp0, mem_index, MO_LEQ);
}
static inline void gen_op_movo(int d_offset, int s_offset)
@ -3713,9 +3719,9 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
offsetof(ZMMReg, ZMM_L(0)));
break;
case 0x22: case 0x32: /* pmovsxbq, pmovzxbq */
tcg_gen_qemu_ld_tl(cpu_tmp0, s->A0,
tcg_gen_qemu_ld_tl(s->tmp0, s->A0,
s->mem_index, MO_LEUW);
tcg_gen_st16_tl(cpu_tmp0, cpu_env, op2_offset +
tcg_gen_st16_tl(s->tmp0, cpu_env, op2_offset +
offsetof(ZMMReg, ZMM_W(0)));
break;
case 0x2a: /* movntqda */
@ -3999,7 +4005,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
if (s->cc_op != CC_OP_ADCX && s->cc_op != CC_OP_ADOX) {
gen_compute_eflags(s);
}
carry_in = cpu_tmp0;
carry_in = s->tmp0;
tcg_gen_extract_tl(carry_in, cpu_cc_src,
ctz32(b == 0x1f6 ? CC_C : CC_O), 1);
}
@ -4902,8 +4908,8 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
tcg_gen_mul_tl(s->T0, s->T0, s->T1);
gen_op_mov_reg_v(MO_16, R_EAX, s->T0);
tcg_gen_mov_tl(cpu_cc_dst, s->T0);
tcg_gen_ext8s_tl(cpu_tmp0, s->T0);
tcg_gen_sub_tl(cpu_cc_src, s->T0, cpu_tmp0);
tcg_gen_ext8s_tl(s->tmp0, s->T0);
tcg_gen_sub_tl(cpu_cc_src, s->T0, s->tmp0);
set_cc_op(s, CC_OP_MULB);
break;
case MO_16:
@ -4914,8 +4920,8 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
tcg_gen_mul_tl(s->T0, s->T0, s->T1);
gen_op_mov_reg_v(MO_16, R_EAX, s->T0);
tcg_gen_mov_tl(cpu_cc_dst, s->T0);
tcg_gen_ext16s_tl(cpu_tmp0, s->T0);
tcg_gen_sub_tl(cpu_cc_src, s->T0, cpu_tmp0);
tcg_gen_ext16s_tl(s->tmp0, s->T0);
tcg_gen_sub_tl(cpu_cc_src, s->T0, s->tmp0);
tcg_gen_shri_tl(s->T0, s->T0, 16);
gen_op_mov_reg_v(MO_16, R_EDX, s->T0);
set_cc_op(s, CC_OP_MULW);
@ -5215,8 +5221,8 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
/* XXX: use 32 bit mul which could be faster */
tcg_gen_mul_tl(s->T0, s->T0, s->T1);
tcg_gen_mov_tl(cpu_cc_dst, s->T0);
tcg_gen_ext16s_tl(cpu_tmp0, s->T0);
tcg_gen_sub_tl(cpu_cc_src, s->T0, cpu_tmp0);
tcg_gen_ext16s_tl(s->tmp0, s->T0);
tcg_gen_sub_tl(cpu_cc_src, s->T0, s->tmp0);
gen_op_mov_reg_v(ot, reg, s->T0);
break;
}
@ -5423,7 +5429,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_pop_update(s, ot);
/* Note that reg == R_SS in gen_movl_seg_T0 always sets is_jmp. */
if (s->base.is_jmp) {
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
if (reg == R_SS) {
s->tf = 0;
gen_eob_inhibit_irq(s, true);
@ -5438,7 +5444,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_movl_seg_T0(s, (b >> 3) & 7);
gen_pop_update(s, ot);
if (s->base.is_jmp) {
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
}
break;
@ -5489,7 +5495,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_movl_seg_T0(s, reg);
/* Note that reg == R_SS in gen_movl_seg_T0 always sets is_jmp. */
if (s->base.is_jmp) {
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
if (reg == R_SS) {
s->tf = 0;
gen_eob_inhibit_irq(s, true);
@ -5696,7 +5702,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
/* then put the data */
gen_op_mov_reg_v(ot, reg, s->T1);
if (s->base.is_jmp) {
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
}
break;
@ -6478,7 +6484,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
do_lret:
if (s->pe && !s->vm86) {
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_lret_protected(cpu_env, tcg_const_i32(dflag - 1),
tcg_const_i32(val));
} else {
@ -6691,7 +6697,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_pop_update(s, ot);
set_cc_op(s, CC_OP_EFLAGS);
/* abort translation because TF/AC flag may change */
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
}
break;
@ -6779,9 +6785,9 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
AddressParts a = gen_lea_modrm_0(env, s, modrm);
/* specific case: we need to add a displacement */
gen_exts(ot, s->T1);
tcg_gen_sari_tl(cpu_tmp0, s->T1, 3 + ot);
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, ot);
tcg_gen_add_tl(s->A0, gen_lea_modrm_1(s, a), cpu_tmp0);
tcg_gen_sari_tl(s->tmp0, s->T1, 3 + ot);
tcg_gen_shli_tl(s->tmp0, s->tmp0, ot);
tcg_gen_add_tl(s->A0, gen_lea_modrm_1(s, a), s->tmp0);
gen_lea_v_seg(s, s->aflag, s->A0, a.def_seg, s->override);
if (!(s->prefix & PREFIX_LOCK)) {
gen_op_ld_v(s, ot, s->T0, s->A0);
@ -6791,8 +6797,8 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
}
bt_op:
tcg_gen_andi_tl(s->T1, s->T1, (1 << (3 + ot)) - 1);
tcg_gen_movi_tl(cpu_tmp0, 1);
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, s->T1);
tcg_gen_movi_tl(s->tmp0, 1);
tcg_gen_shl_tl(s->tmp0, s->tmp0, s->T1);
if (s->prefix & PREFIX_LOCK) {
switch (op) {
case 0: /* bt */
@ -6801,17 +6807,17 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_op_ld_v(s, ot, s->T0, s->A0);
break;
case 1: /* bts */
tcg_gen_atomic_fetch_or_tl(s->T0, s->A0, cpu_tmp0,
tcg_gen_atomic_fetch_or_tl(s->T0, s->A0, s->tmp0,
s->mem_index, ot | MO_LE);
break;
case 2: /* btr */
tcg_gen_not_tl(cpu_tmp0, cpu_tmp0);
tcg_gen_atomic_fetch_and_tl(s->T0, s->A0, cpu_tmp0,
tcg_gen_not_tl(s->tmp0, s->tmp0);
tcg_gen_atomic_fetch_and_tl(s->T0, s->A0, s->tmp0,
s->mem_index, ot | MO_LE);
break;
default:
case 3: /* btc */
tcg_gen_atomic_fetch_xor_tl(s->T0, s->A0, cpu_tmp0,
tcg_gen_atomic_fetch_xor_tl(s->T0, s->A0, s->tmp0,
s->mem_index, ot | MO_LE);
break;
}
@ -6823,14 +6829,14 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
/* Data already loaded; nothing to do. */
break;
case 1: /* bts */
tcg_gen_or_tl(s->T0, s->T0, cpu_tmp0);
tcg_gen_or_tl(s->T0, s->T0, s->tmp0);
break;
case 2: /* btr */
tcg_gen_andc_tl(s->T0, s->T0, cpu_tmp0);
tcg_gen_andc_tl(s->T0, s->T0, s->tmp0);
break;
default:
case 3: /* btc */
tcg_gen_xor_tl(s->T0, s->T0, cpu_tmp0);
tcg_gen_xor_tl(s->T0, s->T0, s->tmp0);
break;
}
if (op != 0) {
@ -6983,7 +6989,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
}
if (prefixes & PREFIX_REPZ) {
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_pause(cpu_env, tcg_const_i32(s->pc - pc_start));
s->base.is_jmp = DISAS_NORETURN;
}
@ -7011,7 +7017,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
if (CODE64(s))
goto illegal_op;
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_into(cpu_env, tcg_const_i32(s->pc - pc_start));
break;
#ifdef WANT_ICEBP
@ -7045,7 +7051,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
if (s->vm86 ? s->iopl == 3 : s->cpl <= s->iopl) {
gen_helper_sti(cpu_env);
/* interruptions are enabled only the first insn after sti */
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob_inhibit_irq(s, true);
} else {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
@ -7113,26 +7119,26 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
switch(b) {
case 0: /* loopnz */
case 1: /* loopz */
gen_op_add_reg_im(s->aflag, R_ECX, -1);
gen_op_jz_ecx(s->aflag, l3);
gen_op_add_reg_im(s, s->aflag, R_ECX, -1);
gen_op_jz_ecx(s, s->aflag, l3);
gen_jcc1(s, (JCC_Z << 1) | (b ^ 1), l1);
break;
case 2: /* loop */
gen_op_add_reg_im(s->aflag, R_ECX, -1);
gen_op_jnz_ecx(s->aflag, l1);
gen_op_add_reg_im(s, s->aflag, R_ECX, -1);
gen_op_jnz_ecx(s, s->aflag, l1);
break;
default:
case 3: /* jcxz */
gen_op_jz_ecx(s->aflag, l1);
gen_op_jz_ecx(s, s->aflag, l1);
break;
}
gen_set_label(l3);
gen_jmp_im(next_eip);
gen_jmp_im(s, next_eip);
tcg_gen_br(l2);
gen_set_label(l1);
gen_jmp_im(tval);
gen_jmp_im(s, tval);
gen_set_label(l2);
gen_eob(s);
}
@ -7143,7 +7149,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
if (b & 2) {
gen_helper_rdmsr(cpu_env);
} else {
@ -7153,7 +7159,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
break;
case 0x131: /* rdtsc */
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_start();
}
@ -7165,7 +7171,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
break;
case 0x133: /* rdpmc */
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_rdpmc(cpu_env);
break;
case 0x134: /* sysenter */
@ -7194,7 +7200,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
case 0x105: /* syscall */
/* XXX: is it usable in real mode ? */
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_syscall(cpu_env, tcg_const_i32(s->pc - pc_start));
/* TF handling for the syscall insn is different. The TF bit is checked
after the syscall insn completes. This allows #DB to not be
@ -7220,7 +7226,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
#endif
case 0x1a2: /* cpuid */
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_cpuid(cpu_env);
break;
case 0xf4: /* hlt */
@ -7228,7 +7234,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_hlt(cpu_env, tcg_const_i32(s->pc - pc_start));
s->base.is_jmp = DISAS_NORETURN;
}
@ -7320,7 +7326,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
goto illegal_op;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
tcg_gen_mov_tl(s->A0, cpu_regs[R_EAX]);
gen_extu(s->aflag, s->A0);
gen_add_A0_ds_seg(s);
@ -7332,7 +7338,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
goto illegal_op;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_mwait(cpu_env, tcg_const_i32(s->pc - pc_start));
gen_eob(s);
break;
@ -7343,7 +7349,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
goto illegal_op;
}
gen_helper_clac(cpu_env);
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
break;
@ -7353,7 +7359,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
goto illegal_op;
}
gen_helper_stac(cpu_env);
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
break;
@ -7396,7 +7402,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]);
gen_helper_xsetbv(cpu_env, cpu_tmp2_i32, cpu_tmp1_i64);
/* End TB because translation flags may change. */
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
break;
@ -7409,7 +7415,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
break;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_vmrun(cpu_env, tcg_const_i32(s->aflag - 1),
tcg_const_i32(s->pc - pc_start));
tcg_gen_exit_tb(NULL, 0);
@ -7421,7 +7427,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
goto illegal_op;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_vmmcall(cpu_env);
break;
@ -7434,7 +7440,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
break;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_vmload(cpu_env, tcg_const_i32(s->aflag - 1));
break;
@ -7447,7 +7453,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
break;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_vmsave(cpu_env, tcg_const_i32(s->aflag - 1));
break;
@ -7463,7 +7469,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
}
gen_update_cc_op(s);
gen_helper_stgi(cpu_env);
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
break;
@ -7476,7 +7482,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
break;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_clgi(cpu_env);
break;
@ -7487,7 +7493,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
goto illegal_op;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_skinit(cpu_env);
break;
@ -7500,7 +7506,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
break;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_invlpga(cpu_env, tcg_const_i32(s->aflag - 1));
break;
@ -7574,7 +7580,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
gen_helper_lmsw(cpu_env, s->T0);
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
break;
@ -7584,10 +7590,10 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
break;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
gen_lea_modrm(env, s, modrm);
gen_helper_invlpg(cpu_env, s->A0);
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
break;
@ -7613,7 +7619,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
goto illegal_op;
}
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_start();
}
@ -7688,11 +7694,11 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
a0 = NULL;
}
gen_op_mov_v_reg(ot, t1, reg);
tcg_gen_andi_tl(cpu_tmp0, t0, 3);
tcg_gen_andi_tl(s->tmp0, t0, 3);
tcg_gen_andi_tl(t1, t1, 3);
tcg_gen_movi_tl(t2, 0);
label1 = gen_new_label();
tcg_gen_brcond_tl(TCG_COND_GE, cpu_tmp0, t1, label1);
tcg_gen_brcond_tl(TCG_COND_GE, s->tmp0, t1, label1);
tcg_gen_andi_tl(t0, t0, ~3);
tcg_gen_or_tl(t0, t0, t1);
tcg_gen_movi_tl(t2, CC_Z);
@ -7729,9 +7735,9 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
} else {
gen_helper_lsl(t0, cpu_env, s->T0);
}
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_src, CC_Z);
tcg_gen_andi_tl(s->tmp0, cpu_cc_src, CC_Z);
label1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
tcg_gen_brcondi_tl(TCG_COND_EQ, s->tmp0, 0, label1);
gen_op_mov_reg_v(ot, reg, t0);
gen_set_label(label1);
set_cc_op(s, CC_OP_EFLAGS);
@ -7981,7 +7987,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
case 4:
case 8:
gen_update_cc_op(s);
gen_jmp_im(pc_start - s->cs_base);
gen_jmp_im(s, pc_start - s->cs_base);
if (b & 2) {
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_start();
@ -7992,7 +7998,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
gen_io_end();
}
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
} else {
if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) {
@ -8035,7 +8041,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_op_mov_v_reg(ot, s->T0, rm);
tcg_gen_movi_i32(cpu_tmp2_i32, reg);
gen_helper_set_dr(cpu_env, cpu_tmp2_i32, s->T0);
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
} else {
gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg);
@ -8052,7 +8058,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
gen_helper_clts(cpu_env);
/* abort block because static cpu state changed */
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
}
break;
@ -8149,7 +8155,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
/* XRSTOR is how MPX is enabled, which changes how
we translate. Thus we need to end the TB. */
gen_update_cc_op(s);
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_eob(s);
break;
@ -8279,7 +8285,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
if (!(s->flags & HF_SMM_MASK))
goto illegal_op;
gen_update_cc_op(s);
gen_jmp_im(s->pc - s->cs_base);
gen_jmp_im(s, s->pc - s->cs_base);
gen_helper_rsm(cpu_env);
gen_eob(s);
break;
@ -8473,7 +8479,7 @@ static void i386_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu)
dc->T1 = tcg_temp_new();
dc->A0 = tcg_temp_new();
cpu_tmp0 = tcg_temp_new();
dc->tmp0 = tcg_temp_new();
cpu_tmp1_i64 = tcg_temp_new_i64();
cpu_tmp2_i32 = tcg_temp_new_i32();
cpu_tmp3_i32 = tcg_temp_new_i32();
@ -8550,7 +8556,7 @@ static void i386_tr_tb_stop(DisasContextBase *dcbase, CPUState *cpu)
DisasContext *dc = container_of(dcbase, DisasContext, base);
if (dc->base.is_jmp == DISAS_TOO_MANY) {
gen_jmp_im(dc->base.pc_next - dc->cs_base);
gen_jmp_im(dc, dc->base.pc_next - dc->cs_base);
gen_eob(dc);
}
}