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-rw-r--r--target-arm/translate.c491
1 files changed, 289 insertions, 202 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c
index 3e7cbe81b6..369dfabe96 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -226,20 +226,6 @@ static void store_reg(DisasContext *s, int reg, TCGv var)
#define gen_op_mul_T0_T1() tcg_gen_mul_i32(cpu_T[0], cpu_T[0], cpu_T[1])
-#define gen_op_addl_T0_T1_setq() \
- gen_helper_add_setq(cpu_T[0], cpu_T[0], cpu_T[1])
-#define gen_op_addl_T0_T1_saturate() \
- gen_helper_add_saturate(cpu_T[0], cpu_T[0], cpu_T[1])
-#define gen_op_subl_T0_T1_saturate() \
- gen_helper_sub_saturate(cpu_T[0], cpu_T[0], cpu_T[1])
-#define gen_op_addl_T0_T1_usaturate() \
- gen_helper_add_usaturate(cpu_T[0], cpu_T[0], cpu_T[1])
-#define gen_op_subl_T0_T1_usaturate() \
- gen_helper_sub_usaturate(cpu_T[0], cpu_T[0], cpu_T[1])
-
-/* Copy the most significant bit of T0 to all bits of T1. */
-#define gen_op_signbit_T1_T0() tcg_gen_sari_i32(cpu_T[1], cpu_T[0], 31)
-
#define gen_set_cpsr(var, mask) gen_helper_cpsr_write(var, tcg_const_i32(mask))
/* Set NZCV flags from the high 4 bits of var. */
#define gen_set_nzcv(var) gen_set_cpsr(var, CPSR_NZCV)
@@ -332,6 +318,33 @@ static void gen_roundqd(TCGv a, TCGv b)
/* FIXME: Most targets have native widening multiplication.
It would be good to use that instead of a full wide multiply. */
+/* 32x32->64 multiply. Marks inputs as dead. */
+static TCGv gen_mulu_i64_i32(TCGv a, TCGv b)
+{
+ TCGv tmp1 = tcg_temp_new(TCG_TYPE_I64);
+ TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64);
+
+ tcg_gen_extu_i32_i64(tmp1, a);
+ dead_tmp(a);
+ tcg_gen_extu_i32_i64(tmp2, b);
+ dead_tmp(b);
+ tcg_gen_mul_i64(tmp1, tmp1, tmp2);
+ return tmp1;
+}
+
+static TCGv gen_muls_i64_i32(TCGv a, TCGv b)
+{
+ TCGv tmp1 = tcg_temp_new(TCG_TYPE_I64);
+ TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64);
+
+ tcg_gen_ext_i32_i64(tmp1, a);
+ dead_tmp(a);
+ tcg_gen_ext_i32_i64(tmp2, b);
+ dead_tmp(b);
+ tcg_gen_mul_i64(tmp1, tmp1, tmp2);
+ return tmp1;
+}
+
/* Unsigned 32x32->64 multiply. */
static void gen_op_mull_T0_T1(void)
{
@@ -361,15 +374,6 @@ static void gen_imull(TCGv a, TCGv b)
}
#define gen_op_imull_T0_T1() gen_imull(cpu_T[0], cpu_T[1])
-/* Signed 32x16 multiply, top 32 bits. */
-static void gen_imulw(TCGv a, TCGv b)
-{
- gen_imull(a, b);
- tcg_gen_shri_i32(a, a, 16);
- tcg_gen_shli_i32(b, b, 16);
- tcg_gen_or_i32(a, a, b);
-}
-
/* Swap low and high halfwords. */
static void gen_swap_half(TCGv var)
{
@@ -865,6 +869,13 @@ static inline void gen_movl_T2_reg(DisasContext *s, int reg)
load_reg_var(s, cpu_T[2], reg);
}
+static inline void gen_set_pc_im(uint32_t val)
+{
+ TCGv tmp = new_tmp();
+ tcg_gen_movi_i32(tmp, val);
+ store_cpu_field(tmp, regs[15]);
+}
+
static inline void gen_set_pc_T0(void)
{
tcg_gen_st_i32(cpu_T[0], cpu_env, offsetof(CPUState, regs[15]));
@@ -3818,8 +3829,12 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
case 1: gen_op_neon_qadd_u8(); break;
case 2: gen_op_neon_qadd_s16(); break;
case 3: gen_op_neon_qadd_u16(); break;
- case 4: gen_op_addl_T0_T1_saturate(); break;
- case 5: gen_op_addl_T0_T1_usaturate(); break;
+ case 4:
+ gen_helper_add_saturate(cpu_T[0], cpu_T[0], cpu_T[1]);
+ break;
+ case 5:
+ gen_helper_add_usaturate(cpu_T[0], cpu_T[0], cpu_T[1]);
+ break;
default: abort();
}
break;
@@ -3867,8 +3882,12 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
case 1: gen_op_neon_qsub_u8(); break;
case 2: gen_op_neon_qsub_s16(); break;
case 3: gen_op_neon_qsub_u16(); break;
- case 4: gen_op_subl_T0_T1_saturate(); break;
- case 5: gen_op_subl_T0_T1_usaturate(); break;
+ case 4:
+ gen_helper_sub_saturate(cpu_T[0], cpu_T[0], cpu_T[1]);
+ break;
+ case 5:
+ gen_helper_sub_usaturate(cpu_T[0], cpu_T[0], cpu_T[1]);
+ break;
default: abort();
}
break;
@@ -5291,6 +5310,62 @@ static int disas_coproc_insn(CPUState * env, DisasContext *s, uint32_t insn)
}
}
+
+/* Store a 64-bit value to a register pair. Clobbers val. */
+static void gen_storeq_reg(DisasContext *s, int rlow, int rhigh, TCGv val)
+{
+ TCGv tmp;
+ tmp = new_tmp();
+ tcg_gen_trunc_i64_i32(tmp, val);
+ store_reg(s, rlow, tmp);
+ tmp = new_tmp();
+ tcg_gen_shri_i64(val, val, 32);
+ tcg_gen_trunc_i64_i32(tmp, val);
+ store_reg(s, rhigh, tmp);
+}
+
+/* load a 32-bit value from a register and perform a 64-bit accumulate. */
+static void gen_addq_lo(DisasContext *s, TCGv val, int rlow)
+{
+ TCGv tmp;
+ TCGv tmp2;
+
+ /* Load 64-bit value rd:rn. */
+ tmp = tcg_temp_new(TCG_TYPE_I64);
+ tmp2 = load_reg(s, rlow);
+ tcg_gen_extu_i32_i64(tmp, tmp2);
+ dead_tmp(tmp2);
+ tcg_gen_add_i64(val, val, tmp);
+}
+
+/* load and add a 64-bit value from a register pair. */
+static void gen_addq(DisasContext *s, TCGv val, int rlow, int rhigh)
+{
+ TCGv tmp;
+ TCGv tmp2;
+
+ /* Load 64-bit value rd:rn. */
+ tmp = tcg_temp_new(TCG_TYPE_I64);
+ tmp2 = load_reg(s, rhigh);
+ tcg_gen_extu_i32_i64(tmp, tmp2);
+ dead_tmp(tmp2);
+ tcg_gen_shli_i64(tmp, tmp, 32);
+ tcg_gen_add_i64(val, val, tmp);
+
+ tmp2 = load_reg(s, rlow);
+ tcg_gen_extu_i32_i64(tmp, tmp2);
+ dead_tmp(tmp2);
+ tcg_gen_add_i64(val, val, tmp);
+}
+
+/* Set N and Z flags from a 64-bit value. */
+static void gen_logicq_cc(TCGv val)
+{
+ TCGv tmp = new_tmp();
+ gen_helper_logicq_cc(tmp, val);
+ store_cpu_field(tmp, NZF);
+}
+
static void disas_arm_insn(CPUState * env, DisasContext *s)
{
unsigned int cond, insn, val, op1, i, shift, rm, rs, rn, rd, sh;
@@ -5507,16 +5582,15 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
val = ((insn >> 4) & 0xf000) | (insn & 0xfff);
if ((insn & (1 << 22)) == 0) {
/* MOVW */
- gen_op_movl_T0_im(val);
+ tmp = new_tmp();
+ tcg_gen_movi_i32(tmp, val);
} else {
/* MOVT */
- gen_movl_T0_reg(s, rd);
- gen_op_movl_T1_im(0xffff);
- gen_op_andl_T0_T1();
- gen_op_movl_T1_im(val << 16);
- gen_op_orl_T0_T1();
+ tmp = load_reg(s, rd);
+ tcg_gen_andi_i32(tmp, tmp, 0xffff);
+ tcg_gen_ori_i32(tmp, tmp, val << 16);
}
- gen_movl_reg_T0(s, rd);
+ store_reg(s, rd, tmp);
} else {
if (((insn >> 12) & 0xf) != 0xf)
goto illegal_op;
@@ -5601,20 +5675,20 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
case 0x5: /* saturating add/subtract */
rd = (insn >> 12) & 0xf;
rn = (insn >> 16) & 0xf;
- gen_movl_T0_reg(s, rm);
- gen_movl_T1_reg(s, rn);
+ tmp = load_reg(s, rn);
+ tmp2 = load_reg(s, rn);
if (op1 & 2)
- gen_helper_double_saturate(cpu_T[1], cpu_T[1]);
+ gen_helper_double_saturate(tmp2, tmp2);
if (op1 & 1)
- gen_op_subl_T0_T1_saturate();
+ gen_helper_sub_saturate(tmp, tmp, tmp2);
else
- gen_op_addl_T0_T1_saturate();
- gen_movl_reg_T0(s, rd);
+ gen_helper_add_saturate(tmp, tmp, tmp2);
+ dead_tmp(tmp2);
+ store_reg(s, rd, tmp);
break;
case 7: /* bkpt */
gen_set_condexec(s);
- gen_op_movl_T0_im((long)s->pc - 4);
- gen_set_pc_T0();
+ gen_set_pc_im(s->pc - 4);
gen_exception(EXCP_BKPT);
s->is_jmp = DISAS_JUMP;
break;
@@ -5627,34 +5701,40 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
rd = (insn >> 16) & 0xf;
if (op1 == 1) {
/* (32 * 16) >> 16 */
- gen_movl_T0_reg(s, rm);
- gen_movl_T1_reg(s, rs);
+ tmp = load_reg(s, rm);
+ tmp2 = load_reg(s, rs);
if (sh & 4)
- gen_op_sarl_T1_im(16);
+ tcg_gen_sari_i32(tmp2, tmp2, 16);
else
- gen_sxth(cpu_T[1]);
- gen_imulw(cpu_T[0], cpu_T[1]);
+ gen_sxth(tmp2);
+ tmp2 = gen_muls_i64_i32(tmp, tmp2);
+ tcg_gen_shri_i64(tmp2, tmp2, 16);
+ tmp = new_tmp();
+ tcg_gen_trunc_i64_i32(tmp, tmp2);
if ((sh & 2) == 0) {
- gen_movl_T1_reg(s, rn);
- gen_op_addl_T0_T1_setq();
+ tmp2 = load_reg(s, rn);
+ gen_helper_add_setq(tmp, tmp, tmp2);
+ dead_tmp(tmp2);
}
- gen_movl_reg_T0(s, rd);
+ store_reg(s, rd, tmp);
} else {
/* 16 * 16 */
- gen_movl_T0_reg(s, rm);
- gen_movl_T1_reg(s, rs);
- gen_mulxy(cpu_T[0], cpu_T[1], sh & 2, sh & 4);
+ tmp = load_reg(s, rm);
+ tmp2 = load_reg(s, rs);
+ gen_mulxy(tmp, tmp2, sh & 2, sh & 4);
+ dead_tmp(tmp2);
if (op1 == 2) {
- gen_op_signbit_T1_T0();
- gen_op_addq_T0_T1(rn, rd);
- gen_movl_reg_T0(s, rn);
- gen_movl_reg_T1(s, rd);
+ tmp = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_ext_i32_i64(tmp, cpu_T[0]);
+ gen_addq(s, tmp, rn, rd);
+ gen_storeq_reg(s, rn, rd, tmp);
} else {
if (op1 == 0) {
- gen_movl_T1_reg(s, rn);
- gen_op_addl_T0_T1_setq();
+ tmp2 = load_reg(s, rn);
+ gen_helper_add_setq(tmp, tmp, tmp2);
+ dead_tmp(tmp2);
}
- gen_movl_reg_T0(s, rd);
+ store_reg(s, rd, tmp);
}
}
break;
@@ -5839,42 +5919,44 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
switch (op1) {
case 0: case 1: case 2: case 3: case 6:
/* 32 bit mul */
- gen_movl_T0_reg(s, rs);
- gen_movl_T1_reg(s, rm);
- gen_op_mul_T0_T1();
+ tmp = load_reg(s, rs);
+ tmp2 = load_reg(s, rm);
+ tcg_gen_mul_i32(tmp, tmp, tmp2);
+ dead_tmp(tmp2);
if (insn & (1 << 22)) {
/* Subtract (mls) */
ARCH(6T2);
- gen_movl_T1_reg(s, rn);
- gen_op_rsbl_T0_T1();
+ tmp2 = load_reg(s, rn);
+ tcg_gen_sub_i32(tmp, tmp2, tmp);
+ dead_tmp(tmp2);
} else if (insn & (1 << 21)) {
/* Add */
- gen_movl_T1_reg(s, rn);
- gen_op_addl_T0_T1();
+ tmp2 = load_reg(s, rn);
+ tcg_gen_add_i32(tmp, tmp, tmp2);
+ dead_tmp(tmp2);
}
if (insn & (1 << 20))
- gen_op_logic_T0_cc();
- gen_movl_reg_T0(s, rd);
+ gen_logic_CC(tmp);
+ store_reg(s, rd, tmp);
break;
default:
/* 64 bit mul */
- gen_movl_T0_reg(s, rs);
- gen_movl_T1_reg(s, rm);
+ tmp = load_reg(s, rs);
+ tmp2 = load_reg(s, rm);
if (insn & (1 << 22))
- gen_op_imull_T0_T1();
+ tmp = gen_muls_i64_i32(tmp, tmp2);
else
- gen_op_mull_T0_T1();
+ tmp = gen_mulu_i64_i32(tmp, tmp2);
if (insn & (1 << 21)) /* mult accumulate */
- gen_op_addq_T0_T1(rn, rd);
+ gen_addq(s, tmp, rn, rd);
if (!(insn & (1 << 23))) { /* double accumulate */
ARCH(6);
- gen_op_addq_lo_T0_T1(rn);
- gen_op_addq_lo_T0_T1(rd);
+ gen_addq_lo(s, tmp, rn);
+ gen_addq_lo(s, tmp, rd);
}
if (insn & (1 << 20))
- gen_op_logicq_cc();
- gen_movl_reg_T0(s, rn);
- gen_movl_reg_T1(s, rd);
+ gen_logicq_cc(tmp);
+ gen_storeq_reg(s, rn, rd, tmp);
break;
}
} else {
@@ -6060,32 +6142,32 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
dead_tmp(tmp2);
store_reg(s, rd, tmp);
} else if ((insn & 0x000003e0) == 0x00000060) {
- gen_movl_T1_reg(s, rm);
+ tmp = load_reg(s, rm);
shift = (insn >> 10) & 3;
/* ??? In many cases it's not neccessary to do a
rotate, a shift is sufficient. */
if (shift != 0)
- gen_op_rorl_T1_im(shift * 8);
+ tcg_gen_rori_i32(tmp, tmp, shift * 8);
op1 = (insn >> 20) & 7;
switch (op1) {
- case 0: gen_sxtb16(cpu_T[1]); break;
- case 2: gen_sxtb(cpu_T[1]); break;
- case 3: gen_sxth(cpu_T[1]); break;
- case 4: gen_uxtb16(cpu_T[1]); break;
- case 6: gen_uxtb(cpu_T[1]); break;
- case 7: gen_uxth(cpu_T[1]); break;
+ case 0: gen_sxtb16(tmp); break;
+ case 2: gen_sxtb(tmp); break;
+ case 3: gen_sxth(tmp); break;
+ case 4: gen_uxtb16(tmp); break;
+ case 6: gen_uxtb(tmp); break;
+ case 7: gen_uxth(tmp); break;
default: goto illegal_op;
}
if (rn != 15) {
- tmp = load_reg(s, rn);
+ tmp2 = load_reg(s, rn);
if ((op1 & 3) == 0) {
- gen_add16(cpu_T[1], tmp);
+ gen_add16(tmp, tmp2);
} else {
- tcg_gen_add_i32(cpu_T[1], cpu_T[1], tmp);
- dead_tmp(tmp);
+ tcg_gen_add_i32(tmp, tmp, tmp2);
+ dead_tmp(tmp2);
}
}
- gen_movl_reg_T1(s, rd);
+ store_reg(s, rd, tmp2);
} else if ((insn & 0x003f0f60) == 0x003f0f20) {
/* rev */
tmp = load_reg(s, rm);
@@ -6108,51 +6190,53 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
}
break;
case 2: /* Multiplies (Type 3). */
- gen_movl_T0_reg(s, rm);
- gen_movl_T1_reg(s, rs);
+ tmp = load_reg(s, rm);
+ tmp2 = load_reg(s, rs);
if (insn & (1 << 20)) {
/* Signed multiply most significant [accumulate]. */
- gen_op_imull_T0_T1();
+ tmp2 = gen_muls_i64_i32(tmp, tmp2);
if (insn & (1 << 5))
- gen_roundqd(cpu_T[0], cpu_T[1]);
- else
- gen_op_movl_T0_T1();
+ tcg_gen_addi_i64(tmp2, tmp2, 0x80000000u);
+ tcg_gen_shri_i64(tmp2, tmp2, 32);
+ tmp = new_tmp();
+ tcg_gen_trunc_i64_i32(tmp, tmp2);
if (rn != 15) {
- gen_movl_T1_reg(s, rn);
+ tmp2 = load_reg(s, rn);
if (insn & (1 << 6)) {
- gen_op_addl_T0_T1();
+ tcg_gen_sub_i32(tmp, tmp, tmp2);
} else {
- gen_op_rsbl_T0_T1();
+ tcg_gen_add_i32(tmp, tmp, tmp2);
}
+ dead_tmp(tmp2);
}
- gen_movl_reg_T0(s, rd);
+ store_reg(s, rd, tmp);
} else {
if (insn & (1 << 5))
- gen_swap_half(cpu_T[1]);
- gen_smul_dual(cpu_T[0], cpu_T[1]);
+ gen_swap_half(tmp2);
+ gen_smul_dual(tmp, tmp2);
+ /* This addition cannot overflow. */
+ if (insn & (1 << 6)) {
+ tcg_gen_sub_i32(tmp, tmp, tmp2);
+ } else {
+ tcg_gen_add_i32(tmp, tmp, tmp2);
+ }
+ dead_tmp(tmp2);
if (insn & (1 << 22)) {
- if (insn & (1 << 6)) {
- /* smlald */
- gen_op_addq_T0_T1_dual(rn, rd);
- } else {
- /* smlsld */
- gen_op_subq_T0_T1_dual(rn, rd);
- }
+ /* smlald, smlsld */
+ tmp2 = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_ext_i32_i64(tmp2, tmp);
+ dead_tmp(tmp);
+ gen_addq(s, tmp2, rn, rd);
+ gen_storeq_reg(s, rn, rd, tmp2);
} else {
- /* This addition cannot overflow. */
- if (insn & (1 << 6)) {
- /* sm[ul]sd */
- gen_op_subl_T0_T1();
- } else {
- /* sm[ul]ad */
- gen_op_addl_T0_T1();
- }
+ /* smuad, smusd, smlad, smlsd */
if (rn != 15)
{
- gen_movl_T1_reg(s, rn);
- gen_op_addl_T0_T1_setq();
+ tmp2 = load_reg(s, rn);
+ gen_helper_add_setq(tmp, tmp, tmp2);
+ dead_tmp(tmp2);
}
- gen_movl_reg_T0(s, rd);
+ store_reg(s, rd, tmp);
}
}
break;
@@ -6179,32 +6263,34 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
i = (insn >> 16) & 0x1f;
i = i + 1 - shift;
if (rm == 15) {
- gen_op_movl_T1_im(0);
+ tmp = new_tmp();
+ tcg_gen_movi_i32(tmp, 0);
} else {
- gen_movl_T1_reg(s, rm);
+ tmp = load_reg(s, rm);
}
if (i != 32) {
- gen_movl_T0_reg(s, rd);
- gen_bfi(cpu_T[1], cpu_T[0], cpu_T[1],
+ tmp2 = load_reg(s, rd);
+ gen_bfi(tmp, tmp2, tmp,
shift, ((1u << i) - 1) << shift);
+ dead_tmp(tmp2);
}
- gen_movl_reg_T1(s, rd);
+ store_reg(s, rd, tmp);
break;
case 0x12: case 0x16: case 0x1a: case 0x1e: /* sbfx */
case 0x32: case 0x36: case 0x3a: case 0x3e: /* ubfx */
- gen_movl_T1_reg(s, rm);
+ tmp = load_reg(s, rm);
shift = (insn >> 7) & 0x1f;
i = ((insn >> 16) & 0x1f) + 1;
if (shift + i > 32)
goto illegal_op;
if (i < 32) {
if (op1 & 0x20) {
- gen_ubfx(cpu_T[1], shift, (1u << i) - 1);
+ gen_ubfx(tmp, shift, (1u << i) - 1);
} else {
- gen_sbfx(cpu_T[1], shift, i);
+ gen_sbfx(tmp, shift, i);
}
}
- gen_movl_reg_T1(s, rd);
+ store_reg(s, rd, tmp);
break;
default:
goto illegal_op;
@@ -6386,8 +6472,9 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
/* branch (and link) */
val = (int32_t)s->pc;
if (insn & (1 << 24)) {
- gen_op_movl_T0_im(val);
- gen_movl_reg_T0(s, 14);
+ tmp = new_tmp();
+ tcg_gen_movi_i32(tmp, val);
+ store_reg(s, 14, tmp);
}
offset = (((int32_t)insn << 8) >> 8);
val += (offset << 2) + 4;
@@ -6403,15 +6490,13 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
break;
case 0xf:
/* swi */
- gen_op_movl_T0_im((long)s->pc);
- gen_set_pc_T0();
+ gen_set_pc_im(s->pc);
s->is_jmp = DISAS_SWI;
break;
default:
illegal_op:
gen_set_condexec(s);
- gen_op_movl_T0_im((long)s->pc - 4);
- gen_set_pc_T0();
+ gen_set_pc_im(s->pc - 4);
gen_exception(EXCP_UDEF);
s->is_jmp = DISAS_JUMP;
break;
@@ -6832,32 +6917,32 @@ static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
gen_movl_reg_T1(s, rd);
break;
case 1: /* Sign/zero extend. */
- gen_movl_T1_reg(s, rm);
+ tmp = load_reg(s, rm);
shift = (insn >> 4) & 3;
/* ??? In many cases it's not neccessary to do a
rotate, a shift is sufficient. */
if (shift != 0)
- gen_op_rorl_T1_im(shift * 8);
+ tcg_gen_rori_i32(tmp, tmp, shift * 8);
op = (insn >> 20) & 7;
switch (op) {
- case 0: gen_sxth(cpu_T[1]); break;
- case 1: gen_uxth(cpu_T[1]); break;
- case 2: gen_sxtb16(cpu_T[1]); break;
- case 3: gen_uxtb16(cpu_T[1]); break;
- case 4: gen_sxtb(cpu_T[1]); break;
- case 5: gen_uxtb(cpu_T[1]); break;
+ case 0: gen_sxth(tmp); break;
+ case 1: gen_uxth(tmp); break;
+ case 2: gen_sxtb16(tmp); break;
+ case 3: gen_uxtb16(tmp); break;
+ case 4: gen_sxtb(tmp); break;
+ case 5: gen_uxtb(tmp); break;
default: goto illegal_op;
}
if (rn != 15) {
- tmp = load_reg(s, rn);
+ tmp2 = load_reg(s, rn);
if ((op >> 1) == 1) {
- gen_add16(cpu_T[1], tmp);
+ gen_add16(tmp, tmp2);
} else {
- tcg_gen_add_i32(cpu_T[1], cpu_T[1], tmp);
- dead_tmp(tmp);
+ tcg_gen_add_i32(tmp, tmp, tmp2);
+ dead_tmp(tmp2);
}
}
- gen_movl_reg_T1(s, rd);
+ store_reg(s, rd, tmp);
break;
case 2: /* SIMD add/subtract. */
op = (insn >> 20) & 7;
@@ -6965,8 +7050,10 @@ static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
tcg_gen_sari_i32(tmp2, tmp2, 16);
else
gen_sxth(tmp2);
- gen_imulw(tmp, tmp2);
- dead_tmp(tmp2);
+ tmp2 = gen_muls_i64_i32(tmp, tmp2);
+ tcg_gen_shri_i64(tmp2, tmp2, 16);
+ tmp = new_tmp();
+ tcg_gen_trunc_i64_i32(tmp, tmp2);
if (rs != 15)
{
tmp2 = load_reg(s, rs);
@@ -7007,55 +7094,59 @@ static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
break;
case 6: case 7: /* 64-bit multiply, Divide. */
op = ((insn >> 4) & 0xf) | ((insn >> 16) & 0x70);
- gen_movl_T0_reg(s, rn);
- gen_movl_T1_reg(s, rm);
+ tmp = load_reg(s, rn);
+ tmp2 = load_reg(s, rm);
if ((op & 0x50) == 0x10) {
/* sdiv, udiv */
if (!arm_feature(env, ARM_FEATURE_DIV))
goto illegal_op;
if (op & 0x20)
- gen_helper_udiv(cpu_T[0], cpu_T[0], cpu_T[1]);
+ gen_helper_udiv(tmp, tmp, tmp2);
else
- gen_helper_sdiv(cpu_T[0], cpu_T[0], cpu_T[1]);
- gen_movl_reg_T0(s, rd);
+ gen_helper_sdiv(tmp, tmp, tmp2);
+ dead_tmp(tmp2);
+ store_reg(s, rd, tmp);
} else if ((op & 0xe) == 0xc) {
/* Dual multiply accumulate long. */
if (op & 1)
- gen_swap_half(cpu_T[1]);
- gen_smul_dual(cpu_T[0], cpu_T[1]);
+ gen_swap_half(tmp2);
+ gen_smul_dual(tmp, tmp2);
if (op & 0x10) {
- gen_op_subl_T0_T1();
+ tcg_gen_sub_i32(tmp, tmp, tmp2);
} else {
- gen_op_addl_T0_T1();
+ tcg_gen_add_i32(tmp, tmp, tmp2);
}
- gen_op_signbit_T1_T0();
- gen_op_addq_T0_T1(rs, rd);
- gen_movl_reg_T0(s, rs);
- gen_movl_reg_T1(s, rd);
+ dead_tmp(tmp2);
+ tmp2 = tcg_temp_new(TCG_TYPE_I64);
+ gen_addq(s, tmp, rs, rd);
+ gen_storeq_reg(s, rs, rd, tmp);
} else {
if (op & 0x20) {
/* Unsigned 64-bit multiply */
- gen_op_mull_T0_T1();
+ tmp = gen_mulu_i64_i32(tmp, tmp2);
} else {
if (op & 8) {
/* smlalxy */
- gen_mulxy(cpu_T[0], cpu_T[1], op & 2, op & 1);
- gen_op_signbit_T1_T0();
+ gen_mulxy(tmp, tmp2, op & 2, op & 1);
+ dead_tmp(tmp2);
+ tmp2 = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_ext_i32_i64(tmp2, tmp);
+ dead_tmp(tmp);
+ tmp = tmp2;
} else {
/* Signed 64-bit multiply */
- gen_op_imull_T0_T1();
+ tmp = gen_muls_i64_i32(tmp, tmp2);
}
}
if (op & 4) {
/* umaal */
- gen_op_addq_lo_T0_T1(rs);
- gen_op_addq_lo_T0_T1(rd);
+ gen_addq_lo(s, tmp, rs);
+ gen_addq_lo(s, tmp, rd);
} else if (op & 0x40) {
/* 64-bit accumulate. */
- gen_op_addq_T0_T1(rs, rd);
+ gen_addq(s, tmp, rs, rd);
}
- gen_movl_reg_T0(s, rs);
- gen_movl_reg_T1(s, rd);
+ gen_storeq_reg(s, rs, rd, tmp);
}
break;
}
@@ -7299,12 +7390,13 @@ static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
imm |= (insn >> 4) & 0xf000;
if (insn & (1 << 23)) {
/* movt */
- gen_movl_T0_reg(s, rd);
- tcg_gen_andi_i32(cpu_T[0], cpu_T[0], 0xffff);
- tcg_gen_ori_i32(cpu_T[0], cpu_T[0], imm << 16);
+ tmp = load_reg(s, rd);
+ tcg_gen_andi_i32(tmp, tmp, 0xffff);
+ tcg_gen_ori_i32(tmp, tmp, imm << 16);
} else {
/* movw */
- gen_op_movl_T0_im(imm);
+ tmp = new_tmp();
+ tcg_gen_movi_i32(tmp, imm);
}
} else {
/* Add/sub 12-bit immediate. */
@@ -7314,17 +7406,17 @@ static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
offset -= imm;
else
offset += imm;
- gen_op_movl_T0_im(offset);
+ tmp = new_tmp();
+ tcg_gen_movi_i32(tmp, offset);
} else {
- gen_movl_T0_reg(s, rn);
- gen_op_movl_T1_im(imm);
+ tmp = load_reg(s, rn);
if (insn & (1 << 23))
- gen_op_subl_T0_T1();
+ tcg_gen_subi_i32(tmp, tmp, imm);
else
- gen_op_addl_T0_T1();
+ tcg_gen_addi_i32(tmp, tmp, imm);
}
}
- gen_movl_reg_T0(s, rd);
+ store_reg(s, rd, tmp);
}
} else {
int shifter_out = 0;
@@ -7882,15 +7974,15 @@ static void disas_thumb_insn(CPUState *env, DisasContext *s)
rd = (insn >> 8) & 7;
if (insn & (1 << 11)) {
/* SP */
- gen_movl_T0_reg(s, 13);
+ tmp = load_reg(s, 13);
} else {
/* PC. bit 1 is ignored. */
- gen_op_movl_T0_im((s->pc + 2) & ~(uint32_t)2);
+ tmp = new_tmp();
+ tcg_gen_movi_i32(tmp, (s->pc + 2) & ~(uint32_t)2);
}
val = (insn & 0xff) * 4;
- gen_op_movl_T1_im(val);
- gen_op_addl_T0_T1();
- gen_movl_reg_T0(s, rd);
+ tcg_gen_addi_i32(tmp, tmp, val);
+ store_reg(s, rd, tmp);
break;
case 11:
@@ -8002,8 +8094,7 @@ static void disas_thumb_insn(CPUState *env, DisasContext *s)
case 0xe: /* bkpt */
gen_set_condexec(s);
- gen_op_movl_T0_im((long)s->pc - 2);
- gen_set_pc_T0();
+ gen_set_pc_im(s->pc - 2);
gen_exception(EXCP_BKPT);
s->is_jmp = DISAS_JUMP;
break;
@@ -8090,9 +8181,7 @@ static void disas_thumb_insn(CPUState *env, DisasContext *s)
if (cond == 0xf) {
/* swi */
gen_set_condexec(s);
- gen_op_movl_T0_im((long)s->pc | 1);
- /* Don't set r15. */
- gen_set_pc_T0();
+ gen_set_pc_im(s->pc | 1);
s->is_jmp = DISAS_SWI;
break;
}
@@ -8130,16 +8219,14 @@ static void disas_thumb_insn(CPUState *env, DisasContext *s)
return;
undef32:
gen_set_condexec(s);
- gen_op_movl_T0_im((long)s->pc - 4);
- gen_set_pc_T0();
+ gen_set_pc_im(s->pc - 4);
gen_exception(EXCP_UDEF);
s->is_jmp = DISAS_JUMP;
return;
illegal_op:
undef:
gen_set_condexec(s);
- gen_op_movl_T0_im((long)s->pc - 2);
- gen_set_pc_T0();
+ gen_set_pc_im(s->pc - 2);
gen_exception(EXCP_UDEF);
s->is_jmp = DISAS_JUMP;
}
@@ -8209,8 +8296,7 @@ static inline int gen_intermediate_code_internal(CPUState *env,
for(j = 0; j < env->nb_breakpoints; j++) {
if (env->breakpoints[j] == dc->pc) {
gen_set_condexec(dc);
- gen_op_movl_T0_im((long)dc->pc);
- gen_set_pc_T0();
+ gen_set_pc_im(dc->pc);
gen_exception(EXCP_DEBUG);
dc->is_jmp = DISAS_JUMP;
/* Advance PC so that clearing the breakpoint will
@@ -8283,8 +8369,7 @@ static inline int gen_intermediate_code_internal(CPUState *env,
gen_set_label(dc->condlabel);
}
if (dc->condjmp || !dc->is_jmp) {
- gen_op_movl_T0_im((long)dc->pc);
- gen_set_pc_T0();
+ gen_set_pc_im(dc->pc);
dc->condjmp = 0;
}
gen_set_condexec(dc);
@@ -8404,6 +8489,7 @@ void cpu_dump_state(CPUState *env, FILE *f,
psr & CPSR_T ? 'T' : 'A',
cpu_mode_names[psr & 0xf], (psr & 0x10) ? 32 : 26);
+#if 0
for (i = 0; i < 16; i++) {
d.d = env->vfp.regs[i];
s0.i = d.l.lower;
@@ -8416,5 +8502,6 @@ void cpu_dump_state(CPUState *env, FILE *f,
d0.d);
}
cpu_fprintf(f, "FPSCR: %08x\n", (int)env->vfp.xregs[ARM_VFP_FPSCR]);
+#endif
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-28 02:46:02 +0000