#include "tcg-op.h"
-#if TCG_TARGET_REG_BITS == 64
-# define ELF_CLASS ELFCLASS64
-#else
+#if UINTPTR_MAX == UINT32_MAX
# define ELF_CLASS ELFCLASS32
+#else
+# define ELF_CLASS ELFCLASS64
#endif
#ifdef HOST_WORDS_BIGENDIAN
# define ELF_DATA ELFDATA2MSB
static void tcg_target_init(TCGContext *s);
static void tcg_target_qemu_prologue(TCGContext *s);
static void patch_reloc(uint8_t *code_ptr, int type,
- tcg_target_long value, tcg_target_long addend);
+ intptr_t value, intptr_t addend);
/* The CIE and FDE header definitions will be common to all hosts. */
typedef struct {
typedef struct QEMU_PACKED {
uint32_t len __attribute__((aligned((sizeof(void *)))));
uint32_t cie_offset;
- tcg_target_long func_start;
- tcg_target_long func_len;
+ uintptr_t func_start;
+ uintptr_t func_len;
} DebugFrameFDEHeader;
static void tcg_register_jit_int(void *buf, size_t size,
/* Forward declarations for functions declared and used in tcg-target.c. */
static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str);
static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1,
- tcg_target_long arg2);
+ intptr_t arg2);
static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg);
static void tcg_out_movi(TCGContext *s, TCGType type,
TCGReg ret, tcg_target_long arg);
static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
const int *const_args);
static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1,
- tcg_target_long arg2);
+ intptr_t arg2);
static int tcg_target_const_match(tcg_target_long val,
const TCGArgConstraint *arg_ct);
/* label relocation processing */
static void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type,
- int label_index, long addend)
+ int label_index, intptr_t addend)
{
TCGLabel *l;
TCGRelocation *r;
{
TCGLabel *l;
TCGRelocation *r;
- tcg_target_long value = (tcg_target_long)ptr;
+ intptr_t value = (intptr_t)ptr;
l = &s->labels[label_index];
- if (l->has_value)
+ if (l->has_value) {
tcg_abort();
+ }
r = l->u.first_reloc;
while (r != NULL) {
patch_reloc(r->ptr, r->type, value, r->addend);
s->pool_current = NULL;
}
+#include "helper.h"
+
void tcg_context_init(TCGContext *s)
{
int op, total_args, n;
sorted_args += n;
args_ct += n;
}
-
+
+ /* Register helpers. */
+#define GEN_HELPER 2
+#include "helper.h"
+
tcg_target_init(s);
}
s->code_buf = s->code_gen_prologue;
s->code_ptr = s->code_buf;
tcg_target_qemu_prologue(s);
- flush_icache_range((tcg_target_ulong)s->code_buf,
- (tcg_target_ulong)s->code_ptr);
+ flush_icache_range((uintptr_t)s->code_buf, (uintptr_t)s->code_ptr);
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM)) {
#endif
}
-void tcg_set_frame(TCGContext *s, int reg,
- tcg_target_long start, tcg_target_long size)
+void tcg_set_frame(TCGContext *s, int reg, intptr_t start, intptr_t size)
{
s->frame_start = start;
s->frame_end = start + size;
}
static inline int tcg_global_mem_new_internal(TCGType type, int reg,
- tcg_target_long offset,
+ intptr_t offset,
const char *name)
{
TCGContext *s = &tcg_ctx;
return idx;
}
-TCGv_i32 tcg_global_mem_new_i32(int reg, tcg_target_long offset,
- const char *name)
+TCGv_i32 tcg_global_mem_new_i32(int reg, intptr_t offset, const char *name)
{
- int idx;
-
- idx = tcg_global_mem_new_internal(TCG_TYPE_I32, reg, offset, name);
+ int idx = tcg_global_mem_new_internal(TCG_TYPE_I32, reg, offset, name);
return MAKE_TCGV_I32(idx);
}
-TCGv_i64 tcg_global_mem_new_i64(int reg, tcg_target_long offset,
- const char *name)
+TCGv_i64 tcg_global_mem_new_i64(int reg, intptr_t offset, const char *name)
{
- int idx;
-
- idx = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name);
+ int idx = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name);
return MAKE_TCGV_I64(idx);
}
void tcg_register_helper(void *func, const char *name)
{
TCGContext *s = &tcg_ctx;
- int n;
- if ((s->nb_helpers + 1) > s->allocated_helpers) {
- n = s->allocated_helpers;
- if (n == 0) {
- n = 4;
- } else {
- n *= 2;
- }
- s->helpers = realloc(s->helpers, n * sizeof(TCGHelperInfo));
- s->allocated_helpers = n;
+ GHashTable *table = s->helpers;
+
+ if (table == NULL) {
+ /* Use g_direct_hash/equal for direct pointer comparisons on func. */
+ table = g_hash_table_new(NULL, NULL);
+ s->helpers = table;
}
- s->helpers[s->nb_helpers].func = (tcg_target_ulong)func;
- s->helpers[s->nb_helpers].name = name;
- s->nb_helpers++;
+
+ g_hash_table_insert(table, (gpointer)func, (gpointer)name);
}
/* Note: we convert the 64 bit args to 32 bit and do some alignment
return tcg_get_arg_str_idx(s, buf, buf_size, GET_TCGV_I64(arg));
}
-static int helper_cmp(const void *p1, const void *p2)
-{
- const TCGHelperInfo *th1 = p1;
- const TCGHelperInfo *th2 = p2;
- if (th1->func < th2->func)
- return -1;
- else if (th1->func == th2->func)
- return 0;
- else
- return 1;
-}
-
-/* find helper definition (Note: A hash table would be better) */
-static TCGHelperInfo *tcg_find_helper(TCGContext *s, tcg_target_ulong val)
+/* Find helper name. */
+static inline const char *tcg_find_helper(TCGContext *s, uintptr_t val)
{
- int m, m_min, m_max;
- TCGHelperInfo *th;
- tcg_target_ulong v;
-
- if (unlikely(!s->helpers_sorted)) {
- qsort(s->helpers, s->nb_helpers, sizeof(TCGHelperInfo),
- helper_cmp);
- s->helpers_sorted = 1;
- }
-
- /* binary search */
- m_min = 0;
- m_max = s->nb_helpers - 1;
- while (m_min <= m_max) {
- m = (m_min + m_max) >> 1;
- th = &s->helpers[m];
- v = th->func;
- if (v == val)
- return th;
- else if (val < v) {
- m_max = m - 1;
- } else {
- m_min = m + 1;
- }
+ const char *ret = NULL;
+ if (s->helpers) {
+ ret = g_hash_table_lookup(s->helpers, (gpointer)val);
}
- return NULL;
+ return ret;
}
static const char * const cond_name[] =
}
} else if (c == INDEX_op_movi_i32 || c == INDEX_op_movi_i64) {
tcg_target_ulong val;
- TCGHelperInfo *th;
+ const char *name;
nb_oargs = def->nb_oargs;
nb_iargs = def->nb_iargs;
qemu_log(" %s %s,$", def->name,
tcg_get_arg_str_idx(s, buf, sizeof(buf), args[0]));
val = args[1];
- th = tcg_find_helper(s, val);
- if (th) {
- qemu_log("%s", th->name);
+ name = tcg_find_helper(s, val);
+ if (name) {
+ qemu_log("%s", name);
} else {
if (c == INDEX_op_movi_i32) {
qemu_log("0x%x", (uint32_t)val);
static void tcg_liveness_analysis(TCGContext *s)
{
int i, op_index, nb_args, nb_iargs, nb_oargs, arg, nb_ops;
- TCGOpcode op, op_new;
+ TCGOpcode op, op_new, op_new2;
TCGArg *args;
const TCGOpDef *def;
uint8_t *dead_temps, *mem_temps;
uint16_t dead_args;
uint8_t sync_args;
+ bool have_op_new2;
s->gen_opc_ptr++; /* skip end */
goto do_not_remove;
case INDEX_op_mulu2_i32:
+ op_new = INDEX_op_mul_i32;
+ op_new2 = INDEX_op_muluh_i32;
+ have_op_new2 = TCG_TARGET_HAS_muluh_i32;
+ goto do_mul2;
case INDEX_op_muls2_i32:
op_new = INDEX_op_mul_i32;
+ op_new2 = INDEX_op_mulsh_i32;
+ have_op_new2 = TCG_TARGET_HAS_mulsh_i32;
goto do_mul2;
case INDEX_op_mulu2_i64:
+ op_new = INDEX_op_mul_i64;
+ op_new2 = INDEX_op_muluh_i64;
+ have_op_new2 = TCG_TARGET_HAS_muluh_i64;
+ goto do_mul2;
case INDEX_op_muls2_i64:
op_new = INDEX_op_mul_i64;
+ op_new2 = INDEX_op_mulsh_i64;
+ have_op_new2 = TCG_TARGET_HAS_mulsh_i64;
+ goto do_mul2;
do_mul2:
args -= 4;
nb_iargs = 2;
nb_oargs = 2;
- /* Likewise, test for the high part of the operation dead. */
if (dead_temps[args[1]] && !mem_temps[args[1]]) {
if (dead_temps[args[0]] && !mem_temps[args[0]]) {
+ /* Both parts of the operation are dead. */
goto do_remove;
}
+ /* The high part of the operation is dead; generate the low. */
s->gen_opc_buf[op_index] = op = op_new;
args[1] = args[2];
args[2] = args[3];
- assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop);
- tcg_set_nop(s, s->gen_opc_buf + op_index + 1, args + 3, 1);
- /* Fall through and mark the single-word operation live. */
- nb_oargs = 1;
+ } else if (have_op_new2 && dead_temps[args[0]]
+ && !mem_temps[args[0]]) {
+ /* The low part of the operation is dead; generate the high. */
+ s->gen_opc_buf[op_index] = op = op_new2;
+ args[0] = args[1];
+ args[1] = args[2];
+ args[2] = args[3];
+ } else {
+ goto do_not_remove;
}
+ assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop);
+ tcg_set_nop(s, s->gen_opc_buf + op_index + 1, args + 3, 1);
+ /* Mark the single-word operation live. */
+ nb_oargs = 1;
goto do_not_remove;
default:
ts->mem_offset = s->current_frame_offset;
ts->mem_reg = s->frame_reg;
ts->mem_allocated = 1;
- s->current_frame_offset += (tcg_target_long)sizeof(tcg_target_long);
+ s->current_frame_offset += sizeof(tcg_target_long);
}
/* sync register 'reg' by saving it to the corresponding temporary */
int nb_iargs, nb_oargs, flags, nb_regs, i, reg, nb_params;
TCGArg arg, func_arg;
TCGTemp *ts;
- tcg_target_long stack_offset, call_stack_size, func_addr;
+ intptr_t stack_offset;
+ size_t call_stack_size;
+ uintptr_t func_addr;
int const_func_arg, allocate_args;
TCGRegSet allocated_regs;
const TCGArgConstraint *arg_ct;
tcg_gen_code_common(s, gen_code_buf, -1);
/* flush instruction cache */
- flush_icache_range((tcg_target_ulong)gen_code_buf,
- (tcg_target_ulong)s->code_ptr);
+ flush_icache_range((uintptr_t)gen_code_buf, (uintptr_t)s->code_ptr);
return s->code_ptr - gen_code_buf;
}
projects / qemu.git / blobdiff