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xemu/tcg/tci.c
Richard Henderson 817cadd6ee tcg/tci: Split out tci_args_rrrrrc 
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-03-17 07:24:44 -06:00

965 lines
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/*
* Tiny Code Interpreter for QEMU
*
* Copyright (c) 2009, 2011, 2016 Stefan Weil
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
/* Enable TCI assertions only when debugging TCG (and without NDEBUG defined).
* Without assertions, the interpreter runs much faster. */
#if defined(CONFIG_DEBUG_TCG)
# define tci_assert(cond) assert(cond)
#else
# define tci_assert(cond) ((void)0)
#endif
#include "qemu-common.h"
#include "tcg/tcg.h" /* MAX_OPC_PARAM_IARGS */
#include "exec/cpu_ldst.h"
#include "tcg/tcg-op.h"
#include "qemu/compiler.h"
#if MAX_OPC_PARAM_IARGS != 6
# error Fix needed, number of supported input arguments changed!
#endif
#if TCG_TARGET_REG_BITS == 32
typedef uint64_t (*helper_function)(tcg_target_ulong, tcg_target_ulong,
tcg_target_ulong, tcg_target_ulong,
tcg_target_ulong, tcg_target_ulong,
tcg_target_ulong, tcg_target_ulong,
tcg_target_ulong, tcg_target_ulong,
tcg_target_ulong, tcg_target_ulong);
#else
typedef uint64_t (*helper_function)(tcg_target_ulong, tcg_target_ulong,
tcg_target_ulong, tcg_target_ulong,
tcg_target_ulong, tcg_target_ulong);
#endif
__thread uintptr_t tci_tb_ptr;
static tcg_target_ulong tci_read_reg(const tcg_target_ulong *regs, TCGReg index)
{
tci_assert(index < TCG_TARGET_NB_REGS);
return regs[index];
}
static void
tci_write_reg(tcg_target_ulong *regs, TCGReg index, tcg_target_ulong value)
{
tci_assert(index < TCG_TARGET_NB_REGS);
tci_assert(index != TCG_AREG0);
tci_assert(index != TCG_REG_CALL_STACK);
regs[index] = value;
}
#if TCG_TARGET_REG_BITS == 32
static void tci_write_reg64(tcg_target_ulong *regs, uint32_t high_index,
uint32_t low_index, uint64_t value)
{
tci_write_reg(regs, low_index, value);
tci_write_reg(regs, high_index, value >> 32);
}
#endif
#if TCG_TARGET_REG_BITS == 32
/* Create a 64 bit value from two 32 bit values. */
static uint64_t tci_uint64(uint32_t high, uint32_t low)
{
return ((uint64_t)high << 32) + low;
}
#endif
/* Read constant byte from bytecode. */
static uint8_t tci_read_b(const uint8_t **tb_ptr)
{
return *(tb_ptr[0]++);
}
/* Read register number from bytecode. */
static TCGReg tci_read_r(const uint8_t **tb_ptr)
{
uint8_t regno = tci_read_b(tb_ptr);
tci_assert(regno < TCG_TARGET_NB_REGS);
return regno;
}
/* Read constant (native size) from bytecode. */
static tcg_target_ulong tci_read_i(const uint8_t **tb_ptr)
{
tcg_target_ulong value = *(const tcg_target_ulong *)(*tb_ptr);
*tb_ptr += sizeof(value);
return value;
}
/* Read unsigned constant (32 bit) from bytecode. */
static uint32_t tci_read_i32(const uint8_t **tb_ptr)
{
uint32_t value = *(const uint32_t *)(*tb_ptr);
*tb_ptr += sizeof(value);
return value;
}
/* Read signed constant (32 bit) from bytecode. */
static int32_t tci_read_s32(const uint8_t **tb_ptr)
{
int32_t value = *(const int32_t *)(*tb_ptr);
*tb_ptr += sizeof(value);
return value;
}
#if TCG_TARGET_REG_BITS == 64
/* Read constant (64 bit) from bytecode. */
static uint64_t tci_read_i64(const uint8_t **tb_ptr)
{
uint64_t value = *(const uint64_t *)(*tb_ptr);
*tb_ptr += sizeof(value);
return value;
}
#endif
/* Read indexed register (native size) from bytecode. */
static tcg_target_ulong
tci_read_rval(const tcg_target_ulong *regs, const uint8_t **tb_ptr)
{
tcg_target_ulong value = tci_read_reg(regs, **tb_ptr);
*tb_ptr += 1;
return value;
}
#if TCG_TARGET_REG_BITS == 32
/* Read two indexed registers (2 * 32 bit) from bytecode. */
static uint64_t tci_read_r64(const tcg_target_ulong *regs,
const uint8_t **tb_ptr)
{
uint32_t low = tci_read_rval(regs, tb_ptr);
return tci_uint64(tci_read_rval(regs, tb_ptr), low);
}
#elif TCG_TARGET_REG_BITS == 64
/* Read indexed register (64 bit) from bytecode. */
static uint64_t tci_read_r64(const tcg_target_ulong *regs,
const uint8_t **tb_ptr)
{
return tci_read_rval(regs, tb_ptr);
}
#endif
/* Read indexed register(s) with target address from bytecode. */
static target_ulong
tci_read_ulong(const tcg_target_ulong *regs, const uint8_t **tb_ptr)
{
target_ulong taddr = tci_read_rval(regs, tb_ptr);
#if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
taddr += (uint64_t)tci_read_rval(regs, tb_ptr) << 32;
#endif
return taddr;
}
static tcg_target_ulong tci_read_label(const uint8_t **tb_ptr)
{
tcg_target_ulong label = tci_read_i(tb_ptr);
tci_assert(label != 0);
return label;
}
/*
* Load sets of arguments all at once. The naming convention is:
* tci_args_<arguments>
* where arguments is a sequence of
*
* c = condition (TCGCond)
* l = label or pointer
* r = register
* s = signed ldst offset
*/
static void tci_args_l(const uint8_t **tb_ptr, void **l0)
{
*l0 = (void *)tci_read_label(tb_ptr);
}
static void tci_args_rr(const uint8_t **tb_ptr,
TCGReg *r0, TCGReg *r1)
{
*r0 = tci_read_r(tb_ptr);
*r1 = tci_read_r(tb_ptr);
}
static void tci_args_rrr(const uint8_t **tb_ptr,
TCGReg *r0, TCGReg *r1, TCGReg *r2)
{
*r0 = tci_read_r(tb_ptr);
*r1 = tci_read_r(tb_ptr);
*r2 = tci_read_r(tb_ptr);
}
static void tci_args_rrs(const uint8_t **tb_ptr,
TCGReg *r0, TCGReg *r1, int32_t *i2)
{
*r0 = tci_read_r(tb_ptr);
*r1 = tci_read_r(tb_ptr);
*i2 = tci_read_s32(tb_ptr);
}
static void tci_args_rrrc(const uint8_t **tb_ptr,
TCGReg *r0, TCGReg *r1, TCGReg *r2, TCGCond *c3)
{
*r0 = tci_read_r(tb_ptr);
*r1 = tci_read_r(tb_ptr);
*r2 = tci_read_r(tb_ptr);
*c3 = tci_read_b(tb_ptr);
}
#if TCG_TARGET_REG_BITS == 32
static void tci_args_rrrrrc(const uint8_t **tb_ptr, TCGReg *r0, TCGReg *r1,
TCGReg *r2, TCGReg *r3, TCGReg *r4, TCGCond *c5)
{
*r0 = tci_read_r(tb_ptr);
*r1 = tci_read_r(tb_ptr);
*r2 = tci_read_r(tb_ptr);
*r3 = tci_read_r(tb_ptr);
*r4 = tci_read_r(tb_ptr);
*c5 = tci_read_b(tb_ptr);
}
#endif
static bool tci_compare32(uint32_t u0, uint32_t u1, TCGCond condition)
{
bool result = false;
int32_t i0 = u0;
int32_t i1 = u1;
switch (condition) {
case TCG_COND_EQ:
result = (u0 == u1);
break;
case TCG_COND_NE:
result = (u0 != u1);
break;
case TCG_COND_LT:
result = (i0 < i1);
break;
case TCG_COND_GE:
result = (i0 >= i1);
break;
case TCG_COND_LE:
result = (i0 <= i1);
break;
case TCG_COND_GT:
result = (i0 > i1);
break;
case TCG_COND_LTU:
result = (u0 < u1);
break;
case TCG_COND_GEU:
result = (u0 >= u1);
break;
case TCG_COND_LEU:
result = (u0 <= u1);
break;
case TCG_COND_GTU:
result = (u0 > u1);
break;
default:
g_assert_not_reached();
}
return result;
}
static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition)
{
bool result = false;
int64_t i0 = u0;
int64_t i1 = u1;
switch (condition) {
case TCG_COND_EQ:
result = (u0 == u1);
break;
case TCG_COND_NE:
result = (u0 != u1);
break;
case TCG_COND_LT:
result = (i0 < i1);
break;
case TCG_COND_GE:
result = (i0 >= i1);
break;
case TCG_COND_LE:
result = (i0 <= i1);
break;
case TCG_COND_GT:
result = (i0 > i1);
break;
case TCG_COND_LTU:
result = (u0 < u1);
break;
case TCG_COND_GEU:
result = (u0 >= u1);
break;
case TCG_COND_LEU:
result = (u0 <= u1);
break;
case TCG_COND_GTU:
result = (u0 > u1);
break;
default:
g_assert_not_reached();
}
return result;
}
#define qemu_ld_ub \
cpu_ldub_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_ld_leuw \
cpu_lduw_le_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_ld_leul \
cpu_ldl_le_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_ld_leq \
cpu_ldq_le_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_ld_beuw \
cpu_lduw_be_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_ld_beul \
cpu_ldl_be_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_ld_beq \
cpu_ldq_be_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_st_b(X) \
cpu_stb_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_st_lew(X) \
cpu_stw_le_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_st_lel(X) \
cpu_stl_le_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_st_leq(X) \
cpu_stq_le_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_st_bew(X) \
cpu_stw_be_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_st_bel(X) \
cpu_stl_be_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
#define qemu_st_beq(X) \
cpu_stq_be_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
#if TCG_TARGET_REG_BITS == 64
# define CASE_32_64(x) \
case glue(glue(INDEX_op_, x), _i64): \
case glue(glue(INDEX_op_, x), _i32):
# define CASE_64(x) \
case glue(glue(INDEX_op_, x), _i64):
#else
# define CASE_32_64(x) \
case glue(glue(INDEX_op_, x), _i32):
# define CASE_64(x)
#endif
/* Interpret pseudo code in tb. */
/*
* Disable CFI checks.
* One possible operation in the pseudo code is a call to binary code.
* Therefore, disable CFI checks in the interpreter function
*/
uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
const void *v_tb_ptr)
{
const uint8_t *tb_ptr = v_tb_ptr;
tcg_target_ulong regs[TCG_TARGET_NB_REGS];
long tcg_temps[CPU_TEMP_BUF_NLONGS];
uintptr_t sp_value = (uintptr_t)(tcg_temps + CPU_TEMP_BUF_NLONGS);
uintptr_t ret = 0;
regs[TCG_AREG0] = (tcg_target_ulong)env;
regs[TCG_REG_CALL_STACK] = sp_value;
tci_assert(tb_ptr);
for (;;) {
TCGOpcode opc = tb_ptr[0];
#if defined(CONFIG_DEBUG_TCG) && !defined(NDEBUG)
uint8_t op_size = tb_ptr[1];
const uint8_t *old_code_ptr = tb_ptr;
#endif
TCGReg r0, r1, r2;
tcg_target_ulong t0;
tcg_target_ulong t1;
tcg_target_ulong t2;
tcg_target_ulong label;
TCGCond condition;
target_ulong taddr;
uint8_t tmp8;
uint16_t tmp16;
uint32_t tmp32;
uint64_t tmp64;
#if TCG_TARGET_REG_BITS == 32
TCGReg r3, r4;
uint64_t v64, T1, T2;
#endif
TCGMemOpIdx oi;
int32_t ofs;
void *ptr;
/* Skip opcode and size entry. */
tb_ptr += 2;
switch (opc) {
case INDEX_op_call:
t0 = tci_read_i(&tb_ptr);
tci_tb_ptr = (uintptr_t)tb_ptr;
#if TCG_TARGET_REG_BITS == 32
tmp64 = ((helper_function)t0)(tci_read_reg(regs, TCG_REG_R0),
tci_read_reg(regs, TCG_REG_R1),
tci_read_reg(regs, TCG_REG_R2),
tci_read_reg(regs, TCG_REG_R3),
tci_read_reg(regs, TCG_REG_R4),
tci_read_reg(regs, TCG_REG_R5),
tci_read_reg(regs, TCG_REG_R6),
tci_read_reg(regs, TCG_REG_R7),
tci_read_reg(regs, TCG_REG_R8),
tci_read_reg(regs, TCG_REG_R9),
tci_read_reg(regs, TCG_REG_R10),
tci_read_reg(regs, TCG_REG_R11));
tci_write_reg(regs, TCG_REG_R0, tmp64);
tci_write_reg(regs, TCG_REG_R1, tmp64 >> 32);
#else
tmp64 = ((helper_function)t0)(tci_read_reg(regs, TCG_REG_R0),
tci_read_reg(regs, TCG_REG_R1),
tci_read_reg(regs, TCG_REG_R2),
tci_read_reg(regs, TCG_REG_R3),
tci_read_reg(regs, TCG_REG_R4),
tci_read_reg(regs, TCG_REG_R5));
tci_write_reg(regs, TCG_REG_R0, tmp64);
#endif
break;
case INDEX_op_br:
tci_args_l(&tb_ptr, &ptr);
tci_assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = ptr;
continue;
case INDEX_op_setcond_i32:
tci_args_rrrc(&tb_ptr, &r0, &r1, &r2, &condition);
regs[r0] = tci_compare32(regs[r1], regs[r2], condition);
break;
#if TCG_TARGET_REG_BITS == 32
case INDEX_op_setcond2_i32:
tci_args_rrrrrc(&tb_ptr, &r0, &r1, &r2, &r3, &r4, &condition);
T1 = tci_uint64(regs[r2], regs[r1]);
T2 = tci_uint64(regs[r4], regs[r3]);
regs[r0] = tci_compare64(T1, T2, condition);
break;
#elif TCG_TARGET_REG_BITS == 64
case INDEX_op_setcond_i64:
tci_args_rrrc(&tb_ptr, &r0, &r1, &r2, &condition);
regs[r0] = tci_compare64(regs[r1], regs[r2], condition);
break;
#endif
CASE_32_64(mov)
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = regs[r1];
break;
case INDEX_op_tci_movi_i32:
t0 = *tb_ptr++;
t1 = tci_read_i32(&tb_ptr);
tci_write_reg(regs, t0, t1);
break;
/* Load/store operations (32 bit). */
CASE_32_64(ld8u)
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
regs[r0] = *(uint8_t *)ptr;
break;
CASE_32_64(ld8s)
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
regs[r0] = *(int8_t *)ptr;
break;
CASE_32_64(ld16u)
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
regs[r0] = *(uint16_t *)ptr;
break;
CASE_32_64(ld16s)
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
regs[r0] = *(int16_t *)ptr;
break;
case INDEX_op_ld_i32:
CASE_64(ld32u)
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
regs[r0] = *(uint32_t *)ptr;
break;
CASE_32_64(st8)
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
*(uint8_t *)ptr = regs[r0];
break;
CASE_32_64(st16)
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
*(uint16_t *)ptr = regs[r0];
break;
case INDEX_op_st_i32:
CASE_64(st32)
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
*(uint32_t *)ptr = regs[r0];
break;
/* Arithmetic operations (mixed 32/64 bit). */
CASE_32_64(add)
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = regs[r1] + regs[r2];
break;
CASE_32_64(sub)
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = regs[r1] - regs[r2];
break;
CASE_32_64(mul)
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = regs[r1] * regs[r2];
break;
CASE_32_64(and)
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = regs[r1] & regs[r2];
break;
CASE_32_64(or)
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = regs[r1] | regs[r2];
break;
CASE_32_64(xor)
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = regs[r1] ^ regs[r2];
break;
/* Arithmetic operations (32 bit). */
case INDEX_op_div_i32:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (int32_t)regs[r1] / (int32_t)regs[r2];
break;
case INDEX_op_divu_i32:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (uint32_t)regs[r1] / (uint32_t)regs[r2];
break;
case INDEX_op_rem_i32:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (int32_t)regs[r1] % (int32_t)regs[r2];
break;
case INDEX_op_remu_i32:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (uint32_t)regs[r1] % (uint32_t)regs[r2];
break;
/* Shift/rotate operations (32 bit). */
case INDEX_op_shl_i32:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (uint32_t)regs[r1] << (regs[r2] & 31);
break;
case INDEX_op_shr_i32:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (uint32_t)regs[r1] >> (regs[r2] & 31);
break;
case INDEX_op_sar_i32:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (int32_t)regs[r1] >> (regs[r2] & 31);
break;
#if TCG_TARGET_HAS_rot_i32
case INDEX_op_rotl_i32:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = rol32(regs[r1], regs[r2] & 31);
break;
case INDEX_op_rotr_i32:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = ror32(regs[r1], regs[r2] & 31);
break;
#endif
#if TCG_TARGET_HAS_deposit_i32
case INDEX_op_deposit_i32:
t0 = *tb_ptr++;
t1 = tci_read_rval(regs, &tb_ptr);
t2 = tci_read_rval(regs, &tb_ptr);
tmp16 = *tb_ptr++;
tmp8 = *tb_ptr++;
tmp32 = (((1 << tmp8) - 1) << tmp16);
tci_write_reg(regs, t0, (t1 & ~tmp32) | ((t2 << tmp16) & tmp32));
break;
#endif
case INDEX_op_brcond_i32:
t0 = tci_read_rval(regs, &tb_ptr);
t1 = tci_read_rval(regs, &tb_ptr);
condition = *tb_ptr++;
label = tci_read_label(&tb_ptr);
if (tci_compare32(t0, t1, condition)) {
tci_assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
}
break;
#if TCG_TARGET_REG_BITS == 32
case INDEX_op_add2_i32:
t0 = *tb_ptr++;
t1 = *tb_ptr++;
tmp64 = tci_read_r64(regs, &tb_ptr);
tmp64 += tci_read_r64(regs, &tb_ptr);
tci_write_reg64(regs, t1, t0, tmp64);
break;
case INDEX_op_sub2_i32:
t0 = *tb_ptr++;
t1 = *tb_ptr++;
tmp64 = tci_read_r64(regs, &tb_ptr);
tmp64 -= tci_read_r64(regs, &tb_ptr);
tci_write_reg64(regs, t1, t0, tmp64);
break;
case INDEX_op_brcond2_i32:
tmp64 = tci_read_r64(regs, &tb_ptr);
v64 = tci_read_r64(regs, &tb_ptr);
condition = *tb_ptr++;
label = tci_read_label(&tb_ptr);
if (tci_compare64(tmp64, v64, condition)) {
tci_assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
}
break;
case INDEX_op_mulu2_i32:
t0 = *tb_ptr++;
t1 = *tb_ptr++;
t2 = tci_read_rval(regs, &tb_ptr);
tmp64 = (uint32_t)tci_read_rval(regs, &tb_ptr);
tci_write_reg64(regs, t1, t0, (uint32_t)t2 * tmp64);
break;
#endif /* TCG_TARGET_REG_BITS == 32 */
#if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64
CASE_32_64(ext8s)
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = (int8_t)regs[r1];
break;
#endif
#if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64
CASE_32_64(ext16s)
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = (int16_t)regs[r1];
break;
#endif
#if TCG_TARGET_HAS_ext8u_i32 || TCG_TARGET_HAS_ext8u_i64
CASE_32_64(ext8u)
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = (uint8_t)regs[r1];
break;
#endif
#if TCG_TARGET_HAS_ext16u_i32 || TCG_TARGET_HAS_ext16u_i64
CASE_32_64(ext16u)
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = (uint16_t)regs[r1];
break;
#endif
#if TCG_TARGET_HAS_bswap16_i32 || TCG_TARGET_HAS_bswap16_i64
CASE_32_64(bswap16)
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = bswap16(regs[r1]);
break;
#endif
#if TCG_TARGET_HAS_bswap32_i32 || TCG_TARGET_HAS_bswap32_i64
CASE_32_64(bswap32)
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = bswap32(regs[r1]);
break;
#endif
#if TCG_TARGET_HAS_not_i32 || TCG_TARGET_HAS_not_i64
CASE_32_64(not)
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = ~regs[r1];
break;
#endif
#if TCG_TARGET_HAS_neg_i32 || TCG_TARGET_HAS_neg_i64
CASE_32_64(neg)
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = -regs[r1];
break;
#endif
#if TCG_TARGET_REG_BITS == 64
case INDEX_op_tci_movi_i64:
t0 = *tb_ptr++;
t1 = tci_read_i64(&tb_ptr);
tci_write_reg(regs, t0, t1);
break;
/* Load/store operations (64 bit). */
case INDEX_op_ld32s_i64:
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
regs[r0] = *(int32_t *)ptr;
break;
case INDEX_op_ld_i64:
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
regs[r0] = *(uint64_t *)ptr;
break;
case INDEX_op_st_i64:
tci_args_rrs(&tb_ptr, &r0, &r1, &ofs);
ptr = (void *)(regs[r1] + ofs);
*(uint64_t *)ptr = regs[r0];
break;
/* Arithmetic operations (64 bit). */
case INDEX_op_div_i64:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (int64_t)regs[r1] / (int64_t)regs[r2];
break;
case INDEX_op_divu_i64:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (uint64_t)regs[r1] / (uint64_t)regs[r2];
break;
case INDEX_op_rem_i64:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (int64_t)regs[r1] % (int64_t)regs[r2];
break;
case INDEX_op_remu_i64:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (uint64_t)regs[r1] % (uint64_t)regs[r2];
break;
/* Shift/rotate operations (64 bit). */
case INDEX_op_shl_i64:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = regs[r1] << (regs[r2] & 63);
break;
case INDEX_op_shr_i64:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = regs[r1] >> (regs[r2] & 63);
break;
case INDEX_op_sar_i64:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = (int64_t)regs[r1] >> (regs[r2] & 63);
break;
#if TCG_TARGET_HAS_rot_i64
case INDEX_op_rotl_i64:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = rol64(regs[r1], regs[r2] & 63);
break;
case INDEX_op_rotr_i64:
tci_args_rrr(&tb_ptr, &r0, &r1, &r2);
regs[r0] = ror64(regs[r1], regs[r2] & 63);
break;
#endif
#if TCG_TARGET_HAS_deposit_i64
case INDEX_op_deposit_i64:
t0 = *tb_ptr++;
t1 = tci_read_rval(regs, &tb_ptr);
t2 = tci_read_rval(regs, &tb_ptr);
tmp16 = *tb_ptr++;
tmp8 = *tb_ptr++;
tmp64 = (((1ULL << tmp8) - 1) << tmp16);
tci_write_reg(regs, t0, (t1 & ~tmp64) | ((t2 << tmp16) & tmp64));
break;
#endif
case INDEX_op_brcond_i64:
t0 = tci_read_rval(regs, &tb_ptr);
t1 = tci_read_rval(regs, &tb_ptr);
condition = *tb_ptr++;
label = tci_read_label(&tb_ptr);
if (tci_compare64(t0, t1, condition)) {
tci_assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
}
break;
case INDEX_op_ext32s_i64:
case INDEX_op_ext_i32_i64:
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = (int32_t)regs[r1];
break;
case INDEX_op_ext32u_i64:
case INDEX_op_extu_i32_i64:
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = (uint32_t)regs[r1];
break;
#if TCG_TARGET_HAS_bswap64_i64
case INDEX_op_bswap64_i64:
tci_args_rr(&tb_ptr, &r0, &r1);
regs[r0] = bswap64(regs[r1]);
break;
#endif
#endif /* TCG_TARGET_REG_BITS == 64 */
/* QEMU specific operations. */
case INDEX_op_exit_tb:
ret = *(uint64_t *)tb_ptr;
goto exit;
break;
case INDEX_op_goto_tb:
/* Jump address is aligned */
tb_ptr = QEMU_ALIGN_PTR_UP(tb_ptr, 4);
t0 = qatomic_read((int32_t *)tb_ptr);
tb_ptr += sizeof(int32_t);
tci_assert(tb_ptr == old_code_ptr + op_size);
tb_ptr += (int32_t)t0;
continue;
case INDEX_op_qemu_ld_i32:
t0 = *tb_ptr++;
taddr = tci_read_ulong(regs, &tb_ptr);
oi = tci_read_i(&tb_ptr);
switch (get_memop(oi) & (MO_BSWAP | MO_SSIZE)) {
case MO_UB:
tmp32 = qemu_ld_ub;
break;
case MO_SB:
tmp32 = (int8_t)qemu_ld_ub;
break;
case MO_LEUW:
tmp32 = qemu_ld_leuw;
break;
case MO_LESW:
tmp32 = (int16_t)qemu_ld_leuw;
break;
case MO_LEUL:
tmp32 = qemu_ld_leul;
break;
case MO_BEUW:
tmp32 = qemu_ld_beuw;
break;
case MO_BESW:
tmp32 = (int16_t)qemu_ld_beuw;
break;
case MO_BEUL:
tmp32 = qemu_ld_beul;
break;
default:
g_assert_not_reached();
}
tci_write_reg(regs, t0, tmp32);
break;
case INDEX_op_qemu_ld_i64:
t0 = *tb_ptr++;
if (TCG_TARGET_REG_BITS == 32) {
t1 = *tb_ptr++;
}
taddr = tci_read_ulong(regs, &tb_ptr);
oi = tci_read_i(&tb_ptr);
switch (get_memop(oi) & (MO_BSWAP | MO_SSIZE)) {
case MO_UB:
tmp64 = qemu_ld_ub;
break;
case MO_SB:
tmp64 = (int8_t)qemu_ld_ub;
break;
case MO_LEUW:
tmp64 = qemu_ld_leuw;
break;
case MO_LESW:
tmp64 = (int16_t)qemu_ld_leuw;
break;
case MO_LEUL:
tmp64 = qemu_ld_leul;
break;
case MO_LESL:
tmp64 = (int32_t)qemu_ld_leul;
break;
case MO_LEQ:
tmp64 = qemu_ld_leq;
break;
case MO_BEUW:
tmp64 = qemu_ld_beuw;
break;
case MO_BESW:
tmp64 = (int16_t)qemu_ld_beuw;
break;
case MO_BEUL:
tmp64 = qemu_ld_beul;
break;
case MO_BESL:
tmp64 = (int32_t)qemu_ld_beul;
break;
case MO_BEQ:
tmp64 = qemu_ld_beq;
break;
default:
g_assert_not_reached();
}
tci_write_reg(regs, t0, tmp64);
if (TCG_TARGET_REG_BITS == 32) {
tci_write_reg(regs, t1, tmp64 >> 32);
}
break;
case INDEX_op_qemu_st_i32:
t0 = tci_read_rval(regs, &tb_ptr);
taddr = tci_read_ulong(regs, &tb_ptr);
oi = tci_read_i(&tb_ptr);
switch (get_memop(oi) & (MO_BSWAP | MO_SIZE)) {
case MO_UB:
qemu_st_b(t0);
break;
case MO_LEUW:
qemu_st_lew(t0);
break;
case MO_LEUL:
qemu_st_lel(t0);
break;
case MO_BEUW:
qemu_st_bew(t0);
break;
case MO_BEUL:
qemu_st_bel(t0);
break;
default:
g_assert_not_reached();
}
break;
case INDEX_op_qemu_st_i64:
tmp64 = tci_read_r64(regs, &tb_ptr);
taddr = tci_read_ulong(regs, &tb_ptr);
oi = tci_read_i(&tb_ptr);
switch (get_memop(oi) & (MO_BSWAP | MO_SIZE)) {
case MO_UB:
qemu_st_b(tmp64);
break;
case MO_LEUW:
qemu_st_lew(tmp64);
break;
case MO_LEUL:
qemu_st_lel(tmp64);
break;
case MO_LEQ:
qemu_st_leq(tmp64);
break;
case MO_BEUW:
qemu_st_bew(tmp64);
break;
case MO_BEUL:
qemu_st_bel(tmp64);
break;
case MO_BEQ:
qemu_st_beq(tmp64);
break;
default:
g_assert_not_reached();
}
break;
case INDEX_op_mb:
/* Ensure ordering for all kinds */
smp_mb();
break;
default:
g_assert_not_reached();
}
tci_assert(tb_ptr == old_code_ptr + op_size);
}
exit:
return ret;
}
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