--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/tcg/tcg.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,2117 @@
+/*
+ * Tiny Code Generator for QEMU
+ *
+ * Copyright (c) 2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/* define it to suppress various consistency checks (faster) */
+#define NDEBUG
+
+/* define it to use liveness analysis (better code) */
+#define USE_LIVENESS_ANALYSIS
+
+#include <assert.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#ifdef _WIN32
+#include <malloc.h>
+#endif
+#ifdef _AIX
+#include <alloca.h>
+#endif
+
+#include "config.h"
+#include "qemu-common.h"
+#include "cache-utils.h"
+
+/* Note: the long term plan is to reduce the dependancies on the QEMU
+ CPU definitions. Currently they are used for qemu_ld/st
+ instructions */
+#define NO_CPU_IO_DEFS
+#include "cpu.h"
+#include "exec-all.h"
+
+#include "tcg-op.h"
+#include "elf.h"
+
+
+static void patch_reloc(uint8_t *code_ptr, int type,
+ tcg_target_long value, tcg_target_long addend);
+
+TCGOpDef tcg_op_defs[] = {
+#define DEF(s, n, copy_size) { #s, 0, 0, n, n, 0, copy_size },
+#define DEF2(s, iargs, oargs, cargs, flags) { #s, iargs, oargs, cargs, iargs + oargs + cargs, flags, 0 },
+#include "tcg-opc.h"
+#undef DEF
+#undef DEF2
+};
+
+static TCGRegSet tcg_target_available_regs[2];
+static TCGRegSet tcg_target_call_clobber_regs;
+
+/* XXX: move that inside the context */
+uint16_t *gen_opc_ptr;
+TCGArg *gen_opparam_ptr;
+
+static inline void tcg_out8(TCGContext *s, uint8_t v)
+{
+ *s->code_ptr++ = v;
+}
+
+static inline void tcg_out16(TCGContext *s, uint16_t v)
+{
+ *(uint16_t *)s->code_ptr = v;
+ s->code_ptr += 2;
+}
+
+static inline void tcg_out32(TCGContext *s, uint32_t v)
+{
+ *(uint32_t *)s->code_ptr = v;
+ s->code_ptr += 4;
+}
+
+/* label relocation processing */
+
+void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type,
+ int label_index, long addend)
+{
+ TCGLabel *l;
+ TCGRelocation *r;
+
+ l = &s->labels[label_index];
+ if (l->has_value) {
+ /* FIXME: This may break relocations on RISC targets that
+ modify instruction fields in place. The caller may not have
+ written the initial value. */
+ patch_reloc(code_ptr, type, l->u.value, addend);
+ } else {
+ /* add a new relocation entry */
+ r = tcg_malloc(sizeof(TCGRelocation));
+ r->type = type;
+ r->ptr = code_ptr;
+ r->addend = addend;
+ r->next = l->u.first_reloc;
+ l->u.first_reloc = r;
+ }
+}
+
+static void tcg_out_label(TCGContext *s, int label_index,
+ tcg_target_long value)
+{
+ TCGLabel *l;
+ TCGRelocation *r;
+
+ l = &s->labels[label_index];
+ if (l->has_value)
+ tcg_abort();
+ r = l->u.first_reloc;
+ while (r != NULL) {
+ patch_reloc(r->ptr, r->type, value, r->addend);
+ r = r->next;
+ }
+ l->has_value = 1;
+ l->u.value = value;
+}
+
+int gen_new_label(void)
+{
+ TCGContext *s = &tcg_ctx;
+ int idx;
+ TCGLabel *l;
+
+ if (s->nb_labels >= TCG_MAX_LABELS)
+ tcg_abort();
+ idx = s->nb_labels++;
+ l = &s->labels[idx];
+ l->has_value = 0;
+ l->u.first_reloc = NULL;
+ return idx;
+}
+
+#include "tcg-target.c"
+
+/* pool based memory allocation */
+void *tcg_malloc_internal(TCGContext *s, int size)
+{
+ TCGPool *p;
+ int pool_size;
+
+ if (size > TCG_POOL_CHUNK_SIZE) {
+ /* big malloc: insert a new pool (XXX: could optimize) */
+ p = qemu_malloc(sizeof(TCGPool) + size);
+ p->size = size;
+ if (s->pool_current)
+ s->pool_current->next = p;
+ else
+ s->pool_first = p;
+ p->next = s->pool_current;
+ } else {
+ p = s->pool_current;
+ if (!p) {
+ p = s->pool_first;
+ if (!p)
+ goto new_pool;
+ } else {
+ if (!p->next) {
+ new_pool:
+ pool_size = TCG_POOL_CHUNK_SIZE;
+ p = qemu_malloc(sizeof(TCGPool) + pool_size);
+ p->size = pool_size;
+ p->next = NULL;
+ if (s->pool_current)
+ s->pool_current->next = p;
+ else
+ s->pool_first = p;
+ } else {
+ p = p->next;
+ }
+ }
+ }
+ s->pool_current = p;
+ s->pool_cur = p->data + size;
+ s->pool_end = p->data + p->size;
+ return p->data;
+}
+
+void tcg_pool_reset(TCGContext *s)
+{
+ s->pool_cur = s->pool_end = NULL;
+ s->pool_current = NULL;
+}
+
+void tcg_context_init(TCGContext *s)
+{
+ int op, total_args, n;
+ TCGOpDef *def;
+ TCGArgConstraint *args_ct;
+ int *sorted_args;
+
+ memset(s, 0, sizeof(*s));
+ s->temps = s->static_temps;
+ s->nb_globals = 0;
+
+ /* Count total number of arguments and allocate the corresponding
+ space */
+ total_args = 0;
+ for(op = 0; op < NB_OPS; op++) {
+ def = &tcg_op_defs[op];
+ n = def->nb_iargs + def->nb_oargs;
+ total_args += n;
+ }
+
+ args_ct = qemu_malloc(sizeof(TCGArgConstraint) * total_args);
+ sorted_args = qemu_malloc(sizeof(int) * total_args);
+
+ for(op = 0; op < NB_OPS; op++) {
+ def = &tcg_op_defs[op];
+ def->args_ct = args_ct;
+ def->sorted_args = sorted_args;
+ n = def->nb_iargs + def->nb_oargs;
+ sorted_args += n;
+ args_ct += n;
+ }
+
+ tcg_target_init(s);
+
+ /* init global prologue and epilogue */
+ s->code_buf = code_gen_prologue;
+ s->code_ptr = s->code_buf;
+ tcg_target_qemu_prologue(s);
+ flush_icache_range((unsigned long)s->code_buf,
+ (unsigned long)s->code_ptr);
+}
+
+void tcg_set_frame(TCGContext *s, int reg,
+ tcg_target_long start, tcg_target_long size)
+{
+ s->frame_start = start;
+ s->frame_end = start + size;
+ s->frame_reg = reg;
+}
+
+void tcg_func_start(TCGContext *s)
+{
+ int i;
+ tcg_pool_reset(s);
+ s->nb_temps = s->nb_globals;
+ for(i = 0; i < (TCG_TYPE_COUNT * 2); i++)
+ s->first_free_temp[i] = -1;
+ s->labels = tcg_malloc(sizeof(TCGLabel) * TCG_MAX_LABELS);
+ s->nb_labels = 0;
+ s->current_frame_offset = s->frame_start;
+
+ gen_opc_ptr = gen_opc_buf;
+ gen_opparam_ptr = gen_opparam_buf;
+}
+
+static inline void tcg_temp_alloc(TCGContext *s, int n)
+{
+ if (n > TCG_MAX_TEMPS)
+ tcg_abort();
+}
+
+static inline int tcg_global_reg_new_internal(TCGType type, int reg,
+ const char *name)
+{
+ TCGContext *s = &tcg_ctx;
+ TCGTemp *ts;
+ int idx;
+
+#if TCG_TARGET_REG_BITS == 32
+ if (type != TCG_TYPE_I32)
+ tcg_abort();
+#endif
+ if (tcg_regset_test_reg(s->reserved_regs, reg))
+ tcg_abort();
+ idx = s->nb_globals;
+ tcg_temp_alloc(s, s->nb_globals + 1);
+ ts = &s->temps[s->nb_globals];
+ ts->base_type = type;
+ ts->type = type;
+ ts->fixed_reg = 1;
+ ts->reg = reg;
+ ts->name = name;
+ s->nb_globals++;
+ tcg_regset_set_reg(s->reserved_regs, reg);
+ return idx;
+}
+
+TCGv_i32 tcg_global_reg_new_i32(int reg, const char *name)
+{
+ int idx;
+
+ idx = tcg_global_reg_new_internal(TCG_TYPE_I32, reg, name);
+ return MAKE_TCGV_I32(idx);
+}
+
+TCGv_i64 tcg_global_reg_new_i64(int reg, const char *name)
+{
+ int idx;
+
+ idx = tcg_global_reg_new_internal(TCG_TYPE_I64, reg, name);
+ return MAKE_TCGV_I64(idx);
+}
+
+#if TCG_TARGET_REG_BITS == 32
+/* temporary hack to avoid register shortage for tcg_qemu_st64() */
+TCGv_i64 tcg_global_reg2_new_hack(TCGType type, int reg1, int reg2,
+ const char *name)
+{
+ TCGContext *s = &tcg_ctx;
+ TCGTemp *ts;
+ int idx;
+ char buf[64];
+
+ if (type != TCG_TYPE_I64)
+ tcg_abort();
+ idx = s->nb_globals;
+ tcg_temp_alloc(s, s->nb_globals + 2);
+ ts = &s->temps[s->nb_globals];
+ ts->base_type = type;
+ ts->type = TCG_TYPE_I32;
+ ts->fixed_reg = 1;
+ ts->reg = reg1;
+ pstrcpy(buf, sizeof(buf), name);
+ pstrcat(buf, sizeof(buf), "_0");
+ ts->name = strdup(buf);
+
+ ts++;
+ ts->base_type = type;
+ ts->type = TCG_TYPE_I32;
+ ts->fixed_reg = 1;
+ ts->reg = reg2;
+ pstrcpy(buf, sizeof(buf), name);
+ pstrcat(buf, sizeof(buf), "_1");
+ ts->name = strdup(buf);
+
+ s->nb_globals += 2;
+ return MAKE_TCGV_I64(idx);
+}
+#endif
+
+static inline int tcg_global_mem_new_internal(TCGType type, int reg,
+ tcg_target_long offset,
+ const char *name)
+{
+ TCGContext *s = &tcg_ctx;
+ TCGTemp *ts;
+ int idx;
+
+ idx = s->nb_globals;
+#if TCG_TARGET_REG_BITS == 32
+ if (type == TCG_TYPE_I64) {
+ char buf[64];
+ tcg_temp_alloc(s, s->nb_globals + 2);
+ ts = &s->temps[s->nb_globals];
+ ts->base_type = type;
+ ts->type = TCG_TYPE_I32;
+ ts->fixed_reg = 0;
+ ts->mem_allocated = 1;
+ ts->mem_reg = reg;
+#ifdef TCG_TARGET_WORDS_BIGENDIAN
+ ts->mem_offset = offset + 4;
+#else
+ ts->mem_offset = offset;
+#endif
+ pstrcpy(buf, sizeof(buf), name);
+ pstrcat(buf, sizeof(buf), "_0");
+ ts->name = strdup(buf);
+ ts++;
+
+ ts->base_type = type;
+ ts->type = TCG_TYPE_I32;
+ ts->fixed_reg = 0;
+ ts->mem_allocated = 1;
+ ts->mem_reg = reg;
+#ifdef TCG_TARGET_WORDS_BIGENDIAN
+ ts->mem_offset = offset;
+#else
+ ts->mem_offset = offset + 4;
+#endif
+ pstrcpy(buf, sizeof(buf), name);
+ pstrcat(buf, sizeof(buf), "_1");
+ ts->name = strdup(buf);
+
+ s->nb_globals += 2;
+ } else
+#endif
+ {
+ tcg_temp_alloc(s, s->nb_globals + 1);
+ ts = &s->temps[s->nb_globals];
+ ts->base_type = type;
+ ts->type = type;
+ ts->fixed_reg = 0;
+ ts->mem_allocated = 1;
+ ts->mem_reg = reg;
+ ts->mem_offset = offset;
+ ts->name = name;
+ s->nb_globals++;
+ }
+ return idx;
+}
+
+TCGv_i32 tcg_global_mem_new_i32(int reg, tcg_target_long offset,
+ const char *name)
+{
+ int idx;
+
+ 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)
+{
+ int idx;
+
+ idx = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name);
+ return MAKE_TCGV_I64(idx);
+}
+
+static inline int tcg_temp_new_internal(TCGType type, int temp_local)
+{
+ TCGContext *s = &tcg_ctx;
+ TCGTemp *ts;
+ int idx, k;
+
+ k = type;
+ if (temp_local)
+ k += TCG_TYPE_COUNT;
+ idx = s->first_free_temp[k];
+ if (idx != -1) {
+ /* There is already an available temp with the
+ right type */
+ ts = &s->temps[idx];
+ s->first_free_temp[k] = ts->next_free_temp;
+ ts->temp_allocated = 1;
+ assert(ts->temp_local == temp_local);
+ } else {
+ idx = s->nb_temps;
+#if TCG_TARGET_REG_BITS == 32
+ if (type == TCG_TYPE_I64) {
+ tcg_temp_alloc(s, s->nb_temps + 2);
+ ts = &s->temps[s->nb_temps];
+ ts->base_type = type;
+ ts->type = TCG_TYPE_I32;
+ ts->temp_allocated = 1;
+ ts->temp_local = temp_local;
+ ts->name = NULL;
+ ts++;
+ ts->base_type = TCG_TYPE_I32;
+ ts->type = TCG_TYPE_I32;
+ ts->temp_allocated = 1;
+ ts->temp_local = temp_local;
+ ts->name = NULL;
+ s->nb_temps += 2;
+ } else
+#endif
+ {
+ tcg_temp_alloc(s, s->nb_temps + 1);
+ ts = &s->temps[s->nb_temps];
+ ts->base_type = type;
+ ts->type = type;
+ ts->temp_allocated = 1;
+ ts->temp_local = temp_local;
+ ts->name = NULL;
+ s->nb_temps++;
+ }
+ }
+ return idx;
+}
+
+TCGv_i32 tcg_temp_new_internal_i32(int temp_local)
+{
+ int idx;
+
+ idx = tcg_temp_new_internal(TCG_TYPE_I32, temp_local);
+ return MAKE_TCGV_I32(idx);
+}
+
+TCGv_i64 tcg_temp_new_internal_i64(int temp_local)
+{
+ int idx;
+
+ idx = tcg_temp_new_internal(TCG_TYPE_I64, temp_local);
+ return MAKE_TCGV_I64(idx);
+}
+
+static inline void tcg_temp_free_internal(int idx)
+{
+ TCGContext *s = &tcg_ctx;
+ TCGTemp *ts;
+ int k;
+
+ assert(idx >= s->nb_globals && idx < s->nb_temps);
+ ts = &s->temps[idx];
+ assert(ts->temp_allocated != 0);
+ ts->temp_allocated = 0;
+ k = ts->base_type;
+ if (ts->temp_local)
+ k += TCG_TYPE_COUNT;
+ ts->next_free_temp = s->first_free_temp[k];
+ s->first_free_temp[k] = idx;
+}
+
+void tcg_temp_free_i32(TCGv_i32 arg)
+{
+ tcg_temp_free_internal(GET_TCGV_I32(arg));
+}
+
+void tcg_temp_free_i64(TCGv_i64 arg)
+{
+ tcg_temp_free_internal(GET_TCGV_I64(arg));
+}
+
+TCGv_i32 tcg_const_i32(int32_t val)
+{
+ TCGv_i32 t0;
+ t0 = tcg_temp_new_i32();
+ tcg_gen_movi_i32(t0, val);
+ return t0;
+}
+
+TCGv_i64 tcg_const_i64(int64_t val)
+{
+ TCGv_i64 t0;
+ t0 = tcg_temp_new_i64();
+ tcg_gen_movi_i64(t0, val);
+ return t0;
+}
+
+TCGv_i32 tcg_const_local_i32(int32_t val)
+{
+ TCGv_i32 t0;
+ t0 = tcg_temp_local_new_i32();
+ tcg_gen_movi_i32(t0, val);
+ return t0;
+}
+
+TCGv_i64 tcg_const_local_i64(int64_t val)
+{
+ TCGv_i64 t0;
+ t0 = tcg_temp_local_new_i64();
+ tcg_gen_movi_i64(t0, val);
+ return t0;
+}
+
+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;
+ }
+ s->helpers[s->nb_helpers].func = (tcg_target_ulong)func;
+ s->helpers[s->nb_helpers].name = name;
+ s->nb_helpers++;
+}
+
+/* Note: we convert the 64 bit args to 32 bit and do some alignment
+ and endian swap. Maybe it would be better to do the alignment
+ and endian swap in tcg_reg_alloc_call(). */
+void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags,
+ int sizemask, TCGArg ret, int nargs, TCGArg *args)
+{
+ int call_type;
+ int i;
+ int real_args;
+ int nb_rets;
+ TCGArg *nparam;
+ *gen_opc_ptr++ = INDEX_op_call;
+ nparam = gen_opparam_ptr++;
+ call_type = (flags & TCG_CALL_TYPE_MASK);
+ if (ret != TCG_CALL_DUMMY_ARG) {
+#if TCG_TARGET_REG_BITS < 64
+ if (sizemask & 1) {
+#ifdef TCG_TARGET_WORDS_BIGENDIAN
+ *gen_opparam_ptr++ = ret + 1;
+ *gen_opparam_ptr++ = ret;
+#else
+ *gen_opparam_ptr++ = ret;
+ *gen_opparam_ptr++ = ret + 1;
+#endif
+ nb_rets = 2;
+ } else
+#endif
+ {
+ *gen_opparam_ptr++ = ret;
+ nb_rets = 1;
+ }
+ } else {
+ nb_rets = 0;
+ }
+ real_args = 0;
+ for (i = 0; i < nargs; i++) {
+#if TCG_TARGET_REG_BITS < 64
+ if (sizemask & (2 << i)) {
+#ifdef TCG_TARGET_I386
+ /* REGPARM case: if the third parameter is 64 bit, it is
+ allocated on the stack */
+ if (i == 2 && call_type == TCG_CALL_TYPE_REGPARM) {
+ call_type = TCG_CALL_TYPE_REGPARM_2;
+ flags = (flags & ~TCG_CALL_TYPE_MASK) | call_type;
+ }
+#endif
+#ifdef TCG_TARGET_CALL_ALIGN_ARGS
+ /* some targets want aligned 64 bit args */
+ if (real_args & 1) {
+ *gen_opparam_ptr++ = TCG_CALL_DUMMY_ARG;
+ real_args++;
+ }
+#endif
+#ifdef TCG_TARGET_WORDS_BIGENDIAN
+ *gen_opparam_ptr++ = args[i] + 1;
+ *gen_opparam_ptr++ = args[i];
+#else
+ *gen_opparam_ptr++ = args[i];
+ *gen_opparam_ptr++ = args[i] + 1;
+#endif
+ real_args += 2;
+ } else
+#endif
+ {
+ *gen_opparam_ptr++ = args[i];
+ real_args++;
+ }
+ }
+ *gen_opparam_ptr++ = GET_TCGV_PTR(func);
+
+ *gen_opparam_ptr++ = flags;
+
+ *nparam = (nb_rets << 16) | (real_args + 1);
+
+ /* total parameters, needed to go backward in the instruction stream */
+ *gen_opparam_ptr++ = 1 + nb_rets + real_args + 3;
+}
+
+#if TCG_TARGET_REG_BITS == 32
+void tcg_gen_shifti_i64(TCGv_i64 ret, TCGv_i64 arg1,
+ int c, int right, int arith)
+{
+ if (c == 0) {
+ tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1));
+ tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1));
+ } else if (c >= 32) {
+ c -= 32;
+ if (right) {
+ if (arith) {
+ tcg_gen_sari_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c);
+ tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), 31);
+ } else {
+ tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c);
+ tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
+ }
+ } else {
+ tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_LOW(arg1), c);
+ tcg_gen_movi_i32(TCGV_LOW(ret), 0);
+ }
+ } else {
+ TCGv_i32 t0, t1;
+
+ t0 = tcg_temp_new_i32();
+ t1 = tcg_temp_new_i32();
+ if (right) {
+ tcg_gen_shli_i32(t0, TCGV_HIGH(arg1), 32 - c);
+ if (arith)
+ tcg_gen_sari_i32(t1, TCGV_HIGH(arg1), c);
+ else
+ tcg_gen_shri_i32(t1, TCGV_HIGH(arg1), c);
+ tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c);
+ tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(ret), t0);
+ tcg_gen_mov_i32(TCGV_HIGH(ret), t1);
+ } else {
+ tcg_gen_shri_i32(t0, TCGV_LOW(arg1), 32 - c);
+ /* Note: ret can be the same as arg1, so we use t1 */
+ tcg_gen_shli_i32(t1, TCGV_LOW(arg1), c);
+ tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c);
+ tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), t0);
+ tcg_gen_mov_i32(TCGV_LOW(ret), t1);
+ }
+ tcg_temp_free_i32(t0);
+ tcg_temp_free_i32(t1);
+ }
+}
+#endif
+
+static void tcg_reg_alloc_start(TCGContext *s)
+{
+ int i;
+ TCGTemp *ts;
+ for(i = 0; i < s->nb_globals; i++) {
+ ts = &s->temps[i];
+ if (ts->fixed_reg) {
+ ts->val_type = TEMP_VAL_REG;
+ } else {
+ ts->val_type = TEMP_VAL_MEM;
+ }
+ }
+ for(i = s->nb_globals; i < s->nb_temps; i++) {
+ ts = &s->temps[i];
+ ts->val_type = TEMP_VAL_DEAD;
+ ts->mem_allocated = 0;
+ ts->fixed_reg = 0;
+ }
+ for(i = 0; i < TCG_TARGET_NB_REGS; i++) {
+ s->reg_to_temp[i] = -1;
+ }
+}
+
+static char *tcg_get_arg_str_idx(TCGContext *s, char *buf, int buf_size,
+ int idx)
+{
+ TCGTemp *ts;
+
+ ts = &s->temps[idx];
+ if (idx < s->nb_globals) {
+ pstrcpy(buf, buf_size, ts->name);
+ } else {
+ if (ts->temp_local)
+ snprintf(buf, buf_size, "loc%d", idx - s->nb_globals);
+ else
+ snprintf(buf, buf_size, "tmp%d", idx - s->nb_globals);
+ }
+ return buf;
+}
+
+char *tcg_get_arg_str_i32(TCGContext *s, char *buf, int buf_size, TCGv_i32 arg)
+{
+ return tcg_get_arg_str_idx(s, buf, buf_size, GET_TCGV_I32(arg));
+}
+
+char *tcg_get_arg_str_i64(TCGContext *s, char *buf, int buf_size, TCGv_i64 arg)
+{
+ 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)
+{
+ 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;
+ }
+ }
+ return NULL;
+}
+
+static const char * const cond_name[] =
+{
+ [TCG_COND_EQ] = "eq",
+ [TCG_COND_NE] = "ne",
+ [TCG_COND_LT] = "lt",
+ [TCG_COND_GE] = "ge",
+ [TCG_COND_LE] = "le",
+ [TCG_COND_GT] = "gt",
+ [TCG_COND_LTU] = "ltu",
+ [TCG_COND_GEU] = "geu",
+ [TCG_COND_LEU] = "leu",
+ [TCG_COND_GTU] = "gtu"
+};
+
+void tcg_dump_ops(TCGContext *s, FILE *outfile)
+{
+ const uint16_t *opc_ptr;
+ const TCGArg *args;
+ TCGArg arg;
+ int c, i, k, nb_oargs, nb_iargs, nb_cargs, first_insn;
+ const TCGOpDef *def;
+ char buf[128];
+
+ first_insn = 1;
+ opc_ptr = gen_opc_buf;
+ args = gen_opparam_buf;
+ while (opc_ptr < gen_opc_ptr) {
+ c = *opc_ptr++;
+ def = &tcg_op_defs[c];
+ if (c == INDEX_op_debug_insn_start) {
+ uint64_t pc;
+#if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
+ pc = ((uint64_t)args[1] << 32) | args[0];
+#else
+ pc = args[0];
+#endif
+ if (!first_insn)
+ fprintf(outfile, "\n");
+ fprintf(outfile, " ---- 0x%" PRIx64, pc);
+ first_insn = 0;
+ nb_oargs = def->nb_oargs;
+ nb_iargs = def->nb_iargs;
+ nb_cargs = def->nb_cargs;
+ } else if (c == INDEX_op_call) {
+ TCGArg arg;
+
+ /* variable number of arguments */
+ arg = *args++;
+ nb_oargs = arg >> 16;
+ nb_iargs = arg & 0xffff;
+ nb_cargs = def->nb_cargs;
+
+ fprintf(outfile, " %s ", def->name);
+
+ /* function name */
+ fprintf(outfile, "%s",
+ tcg_get_arg_str_idx(s, buf, sizeof(buf), args[nb_oargs + nb_iargs - 1]));
+ /* flags */
+ fprintf(outfile, ",$0x%" TCG_PRIlx,
+ args[nb_oargs + nb_iargs]);
+ /* nb out args */
+ fprintf(outfile, ",$%d", nb_oargs);
+ for(i = 0; i < nb_oargs; i++) {
+ fprintf(outfile, ",");
+ fprintf(outfile, "%s",
+ tcg_get_arg_str_idx(s, buf, sizeof(buf), args[i]));
+ }
+ for(i = 0; i < (nb_iargs - 1); i++) {
+ fprintf(outfile, ",");
+ if (args[nb_oargs + i] == TCG_CALL_DUMMY_ARG) {
+ fprintf(outfile, "<dummy>");
+ } else {
+ fprintf(outfile, "%s",
+ tcg_get_arg_str_idx(s, buf, sizeof(buf), args[nb_oargs + i]));
+ }
+ }
+ } else if (c == INDEX_op_movi_i32
+#if TCG_TARGET_REG_BITS == 64
+ || c == INDEX_op_movi_i64
+#endif
+ ) {
+ tcg_target_ulong val;
+ TCGHelperInfo *th;
+
+ nb_oargs = def->nb_oargs;
+ nb_iargs = def->nb_iargs;
+ nb_cargs = def->nb_cargs;
+ fprintf(outfile, " %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) {
+ fprintf(outfile, "%s", th->name);
+ } else {
+ if (c == INDEX_op_movi_i32)
+ fprintf(outfile, "0x%x", (uint32_t)val);
+ else
+ fprintf(outfile, "0x%" PRIx64 , (uint64_t)val);
+ }
+ } else {
+ fprintf(outfile, " %s ", def->name);
+ if (c == INDEX_op_nopn) {
+ /* variable number of arguments */
+ nb_cargs = *args;
+ nb_oargs = 0;
+ nb_iargs = 0;
+ } else {
+ nb_oargs = def->nb_oargs;
+ nb_iargs = def->nb_iargs;
+ nb_cargs = def->nb_cargs;
+ }
+
+ k = 0;
+ for(i = 0; i < nb_oargs; i++) {
+ if (k != 0)
+ fprintf(outfile, ",");
+ fprintf(outfile, "%s",
+ tcg_get_arg_str_idx(s, buf, sizeof(buf), args[k++]));
+ }
+ for(i = 0; i < nb_iargs; i++) {
+ if (k != 0)
+ fprintf(outfile, ",");
+ fprintf(outfile, "%s",
+ tcg_get_arg_str_idx(s, buf, sizeof(buf), args[k++]));
+ }
+ if (c == INDEX_op_brcond_i32
+#if TCG_TARGET_REG_BITS == 32
+ || c == INDEX_op_brcond2_i32
+#elif TCG_TARGET_REG_BITS == 64
+ || c == INDEX_op_brcond_i64
+#endif
+ ) {
+ if (args[k] < ARRAY_SIZE(cond_name) && cond_name[args[k]])
+ fprintf(outfile, ",%s", cond_name[args[k++]]);
+ else
+ fprintf(outfile, ",$0x%" TCG_PRIlx, args[k++]);
+ i = 1;
+ }
+ else
+ i = 0;
+ for(; i < nb_cargs; i++) {
+ if (k != 0)
+ fprintf(outfile, ",");
+ arg = args[k++];
+ fprintf(outfile, "$0x%" TCG_PRIlx, arg);
+ }
+ }
+ fprintf(outfile, "\n");
+ args += nb_iargs + nb_oargs + nb_cargs;
+ }
+}
+
+/* we give more priority to constraints with less registers */
+static int get_constraint_priority(const TCGOpDef *def, int k)
+{
+ const TCGArgConstraint *arg_ct;
+
+ int i, n;
+ arg_ct = &def->args_ct[k];
+ if (arg_ct->ct & TCG_CT_ALIAS) {
+ /* an alias is equivalent to a single register */
+ n = 1;
+ } else {
+ if (!(arg_ct->ct & TCG_CT_REG))
+ return 0;
+ n = 0;
+ for(i = 0; i < TCG_TARGET_NB_REGS; i++) {
+ if (tcg_regset_test_reg(arg_ct->u.regs, i))
+ n++;
+ }
+ }
+ return TCG_TARGET_NB_REGS - n + 1;
+}
+
+/* sort from highest priority to lowest */
+static void sort_constraints(TCGOpDef *def, int start, int n)
+{
+ int i, j, p1, p2, tmp;
+
+ for(i = 0; i < n; i++)
+ def->sorted_args[start + i] = start + i;
+ if (n <= 1)
+ return;
+ for(i = 0; i < n - 1; i++) {
+ for(j = i + 1; j < n; j++) {
+ p1 = get_constraint_priority(def, def->sorted_args[start + i]);
+ p2 = get_constraint_priority(def, def->sorted_args[start + j]);
+ if (p1 < p2) {
+ tmp = def->sorted_args[start + i];
+ def->sorted_args[start + i] = def->sorted_args[start + j];
+ def->sorted_args[start + j] = tmp;
+ }
+ }
+ }
+}
+
+void tcg_add_target_add_op_defs(const TCGTargetOpDef *tdefs)
+{
+ int op;
+ TCGOpDef *def;
+ const char *ct_str;
+ int i, nb_args;
+
+ for(;;) {
+ if (tdefs->op < 0)
+ break;
+ op = tdefs->op;
+ assert(op >= 0 && op < NB_OPS);
+ def = &tcg_op_defs[op];
+ nb_args = def->nb_iargs + def->nb_oargs;
+ for(i = 0; i < nb_args; i++) {
+ ct_str = tdefs->args_ct_str[i];
+ tcg_regset_clear(def->args_ct[i].u.regs);
+ def->args_ct[i].ct = 0;
+ if (ct_str[0] >= '0' && ct_str[0] <= '9') {
+ int oarg;
+ oarg = ct_str[0] - '0';
+ assert(oarg < def->nb_oargs);
+ assert(def->args_ct[oarg].ct & TCG_CT_REG);
+ /* TCG_CT_ALIAS is for the output arguments. The input
+ argument is tagged with TCG_CT_IALIAS. */
+ def->args_ct[i] = def->args_ct[oarg];
+ def->args_ct[oarg].ct = TCG_CT_ALIAS;
+ def->args_ct[oarg].alias_index = i;
+ def->args_ct[i].ct |= TCG_CT_IALIAS;
+ def->args_ct[i].alias_index = oarg;
+ } else {
+ for(;;) {
+ if (*ct_str == '\0')
+ break;
+ switch(*ct_str) {
+ case 'i':
+ def->args_ct[i].ct |= TCG_CT_CONST;
+ ct_str++;
+ break;
+ default:
+ if (target_parse_constraint(&def->args_ct[i], &ct_str) < 0) {
+ fprintf(stderr, "Invalid constraint '%s' for arg %d of operation '%s'\n",
+ ct_str, i, def->name);
+ exit(1);
+ }
+ }
+ }
+ }
+ }
+
+ /* sort the constraints (XXX: this is just an heuristic) */
+ sort_constraints(def, 0, def->nb_oargs);
+ sort_constraints(def, def->nb_oargs, def->nb_iargs);
+
+#if 0
+ {
+ int i;
+
+ printf("%s: sorted=", def->name);
+ for(i = 0; i < def->nb_oargs + def->nb_iargs; i++)
+ printf(" %d", def->sorted_args[i]);
+ printf("\n");
+ }
+#endif
+ tdefs++;
+ }
+
+}
+
+#ifdef USE_LIVENESS_ANALYSIS
+
+/* set a nop for an operation using 'nb_args' */
+static inline void tcg_set_nop(TCGContext *s, uint16_t *opc_ptr,
+ TCGArg *args, int nb_args)
+{
+ if (nb_args == 0) {
+ *opc_ptr = INDEX_op_nop;
+ } else {
+ *opc_ptr = INDEX_op_nopn;
+ args[0] = nb_args;
+ args[nb_args - 1] = nb_args;
+ }
+}
+
+/* liveness analysis: end of function: globals are live, temps are
+ dead. */
+/* XXX: at this stage, not used as there would be little gains because
+ most TBs end with a conditional jump. */
+static inline void tcg_la_func_end(TCGContext *s, uint8_t *dead_temps)
+{
+ memset(dead_temps, 0, s->nb_globals);
+ memset(dead_temps + s->nb_globals, 1, s->nb_temps - s->nb_globals);
+}
+
+/* liveness analysis: end of basic block: globals are live, temps are
+ dead, local temps are live. */
+static inline void tcg_la_bb_end(TCGContext *s, uint8_t *dead_temps)
+{
+ int i;
+ TCGTemp *ts;
+
+ memset(dead_temps, 0, s->nb_globals);
+ ts = &s->temps[s->nb_globals];
+ for(i = s->nb_globals; i < s->nb_temps; i++) {
+ if (ts->temp_local)
+ dead_temps[i] = 0;
+ else
+ dead_temps[i] = 1;
+ ts++;
+ }
+}
+
+/* Liveness analysis : update the opc_dead_iargs array to tell if a
+ given input arguments is dead. Instructions updating dead
+ temporaries are removed. */
+static void tcg_liveness_analysis(TCGContext *s)
+{
+ int i, op_index, op, nb_args, nb_iargs, nb_oargs, arg, nb_ops;
+ TCGArg *args;
+ const TCGOpDef *def;
+ uint8_t *dead_temps;
+ unsigned int dead_iargs;
+
+ gen_opc_ptr++; /* skip end */
+
+ nb_ops = gen_opc_ptr - gen_opc_buf;
+
+ /* XXX: make it really dynamic */
+ s->op_dead_iargs = tcg_malloc(OPC_BUF_SIZE * sizeof(uint16_t));
+
+ dead_temps = tcg_malloc(s->nb_temps);
+ memset(dead_temps, 1, s->nb_temps);
+
+ args = gen_opparam_ptr;
+ op_index = nb_ops - 1;
+ while (op_index >= 0) {
+ op = gen_opc_buf[op_index];
+ def = &tcg_op_defs[op];
+ switch(op) {
+ case INDEX_op_call:
+ {
+ int call_flags;
+
+ nb_args = args[-1];
+ args -= nb_args;
+ nb_iargs = args[0] & 0xffff;
+ nb_oargs = args[0] >> 16;
+ args++;
+ call_flags = args[nb_oargs + nb_iargs];
+
+ /* pure functions can be removed if their result is not
+ used */
+ if (call_flags & TCG_CALL_PURE) {
+ for(i = 0; i < nb_oargs; i++) {
+ arg = args[i];
+ if (!dead_temps[arg])
+ goto do_not_remove_call;
+ }
+ tcg_set_nop(s, gen_opc_buf + op_index,
+ args - 1, nb_args);
+ } else {
+ do_not_remove_call:
+
+ /* output args are dead */
+ for(i = 0; i < nb_oargs; i++) {
+ arg = args[i];
+ dead_temps[arg] = 1;
+ }
+
+ /* globals are live (they may be used by the call) */
+ memset(dead_temps, 0, s->nb_globals);
+
+ /* input args are live */
+ dead_iargs = 0;
+ for(i = 0; i < nb_iargs; i++) {
+ arg = args[i + nb_oargs];
+ if (arg != TCG_CALL_DUMMY_ARG) {
+ if (dead_temps[arg]) {
+ dead_iargs |= (1 << i);
+ }
+ dead_temps[arg] = 0;
+ }
+ }
+ s->op_dead_iargs[op_index] = dead_iargs;
+ }
+ args--;
+ }
+ break;
+ case INDEX_op_set_label:
+ args--;
+ /* mark end of basic block */
+ tcg_la_bb_end(s, dead_temps);
+ break;
+ case INDEX_op_debug_insn_start:
+ args -= def->nb_args;
+ break;
+ case INDEX_op_nopn:
+ nb_args = args[-1];
+ args -= nb_args;
+ break;
+ case INDEX_op_discard:
+ args--;
+ /* mark the temporary as dead */
+ dead_temps[args[0]] = 1;
+ break;
+ case INDEX_op_end:
+ break;
+ /* XXX: optimize by hardcoding common cases (e.g. triadic ops) */
+ default:
+ args -= def->nb_args;
+ nb_iargs = def->nb_iargs;
+ nb_oargs = def->nb_oargs;
+
+ /* Test if the operation can be removed because all
+ its outputs are dead. We assume that nb_oargs == 0
+ implies side effects */
+ if (!(def->flags & TCG_OPF_SIDE_EFFECTS) && nb_oargs != 0) {
+ for(i = 0; i < nb_oargs; i++) {
+ arg = args[i];
+ if (!dead_temps[arg])
+ goto do_not_remove;
+ }
+ tcg_set_nop(s, gen_opc_buf + op_index, args, def->nb_args);
+#ifdef CONFIG_PROFILER
+ s->del_op_count++;
+#endif
+ } else {
+ do_not_remove:
+
+ /* output args are dead */
+ for(i = 0; i < nb_oargs; i++) {
+ arg = args[i];
+ dead_temps[arg] = 1;
+ }
+
+ /* if end of basic block, update */
+ if (def->flags & TCG_OPF_BB_END) {
+ tcg_la_bb_end(s, dead_temps);
+ } else if (def->flags & TCG_OPF_CALL_CLOBBER) {
+ /* globals are live */
+ memset(dead_temps, 0, s->nb_globals);
+ }
+
+ /* input args are live */
+ dead_iargs = 0;
+ for(i = 0; i < nb_iargs; i++) {
+ arg = args[i + nb_oargs];
+ if (dead_temps[arg]) {
+ dead_iargs |= (1 << i);
+ }
+ dead_temps[arg] = 0;
+ }
+ s->op_dead_iargs[op_index] = dead_iargs;
+ }
+ break;
+ }
+ op_index--;
+ }
+
+ if (args != gen_opparam_buf)
+ tcg_abort();
+}
+#else
+/* dummy liveness analysis */
+void tcg_liveness_analysis(TCGContext *s)
+{
+ int nb_ops;
+ nb_ops = gen_opc_ptr - gen_opc_buf;
+
+ s->op_dead_iargs = tcg_malloc(nb_ops * sizeof(uint16_t));
+ memset(s->op_dead_iargs, 0, nb_ops * sizeof(uint16_t));
+}
+#endif
+
+#ifndef NDEBUG
+static void dump_regs(TCGContext *s)
+{
+ TCGTemp *ts;
+ int i;
+ char buf[64];
+
+ for(i = 0; i < s->nb_temps; i++) {
+ ts = &s->temps[i];
+ printf(" %10s: ", tcg_get_arg_str_idx(s, buf, sizeof(buf), i));
+ switch(ts->val_type) {
+ case TEMP_VAL_REG:
+ printf("%s", tcg_target_reg_names[ts->reg]);
+ break;
+ case TEMP_VAL_MEM:
+ printf("%d(%s)", (int)ts->mem_offset, tcg_target_reg_names[ts->mem_reg]);
+ break;
+ case TEMP_VAL_CONST:
+ printf("$0x%" TCG_PRIlx, ts->val);
+ break;
+ case TEMP_VAL_DEAD:
+ printf("D");
+ break;
+ default:
+ printf("???");
+ break;
+ }
+ printf("\n");
+ }
+
+ for(i = 0; i < TCG_TARGET_NB_REGS; i++) {
+ if (s->reg_to_temp[i] >= 0) {
+ printf("%s: %s\n",
+ tcg_target_reg_names[i],
+ tcg_get_arg_str_idx(s, buf, sizeof(buf), s->reg_to_temp[i]));
+ }
+ }
+}
+
+static void check_regs(TCGContext *s)
+{
+ int reg, k;
+ TCGTemp *ts;
+ char buf[64];
+
+ for(reg = 0; reg < TCG_TARGET_NB_REGS; reg++) {
+ k = s->reg_to_temp[reg];
+ if (k >= 0) {
+ ts = &s->temps[k];
+ if (ts->val_type != TEMP_VAL_REG ||
+ ts->reg != reg) {
+ printf("Inconsistency for register %s:\n",
+ tcg_target_reg_names[reg]);
+ goto fail;
+ }
+ }
+ }
+ for(k = 0; k < s->nb_temps; k++) {
+ ts = &s->temps[k];
+ if (ts->val_type == TEMP_VAL_REG &&
+ !ts->fixed_reg &&
+ s->reg_to_temp[ts->reg] != k) {
+ printf("Inconsistency for temp %s:\n",
+ tcg_get_arg_str_idx(s, buf, sizeof(buf), k));
+ fail:
+ printf("reg state:\n");
+ dump_regs(s);
+ tcg_abort();
+ }
+ }
+}
+#endif
+
+static void temp_allocate_frame(TCGContext *s, int temp)
+{
+ TCGTemp *ts;
+ ts = &s->temps[temp];
+ s->current_frame_offset = (s->current_frame_offset + sizeof(tcg_target_long) - 1) & ~(sizeof(tcg_target_long) - 1);
+ if (s->current_frame_offset + sizeof(tcg_target_long) > s->frame_end)
+ tcg_abort();
+ ts->mem_offset = s->current_frame_offset;
+ ts->mem_reg = s->frame_reg;
+ ts->mem_allocated = 1;
+ s->current_frame_offset += sizeof(tcg_target_long);
+}
+
+/* free register 'reg' by spilling the corresponding temporary if necessary */
+static void tcg_reg_free(TCGContext *s, int reg)
+{
+ TCGTemp *ts;
+ int temp;
+
+ temp = s->reg_to_temp[reg];
+ if (temp != -1) {
+ ts = &s->temps[temp];
+ assert(ts->val_type == TEMP_VAL_REG);
+ if (!ts->mem_coherent) {
+ if (!ts->mem_allocated)
+ temp_allocate_frame(s, temp);
+ tcg_out_st(s, ts->type, reg, ts->mem_reg, ts->mem_offset);
+ }
+ ts->val_type = TEMP_VAL_MEM;
+ s->reg_to_temp[reg] = -1;
+ }
+}
+
+/* Allocate a register belonging to reg1 & ~reg2 */
+static int tcg_reg_alloc(TCGContext *s, TCGRegSet reg1, TCGRegSet reg2)
+{
+ int i, reg;
+ TCGRegSet reg_ct;
+
+ tcg_regset_andnot(reg_ct, reg1, reg2);
+
+ /* first try free registers */
+ for(i = 0; i < ARRAY_SIZE(tcg_target_reg_alloc_order); i++) {
+ reg = tcg_target_reg_alloc_order[i];
+ if (tcg_regset_test_reg(reg_ct, reg) && s->reg_to_temp[reg] == -1)
+ return reg;
+ }
+
+ /* XXX: do better spill choice */
+ for(i = 0; i < ARRAY_SIZE(tcg_target_reg_alloc_order); i++) {
+ reg = tcg_target_reg_alloc_order[i];
+ if (tcg_regset_test_reg(reg_ct, reg)) {
+ tcg_reg_free(s, reg);
+ return reg;
+ }
+ }
+
+ tcg_abort();
+}
+
+/* save a temporary to memory. 'allocated_regs' is used in case a
+ temporary registers needs to be allocated to store a constant. */
+static void temp_save(TCGContext *s, int temp, TCGRegSet allocated_regs)
+{
+ TCGTemp *ts;
+ int reg;
+
+ ts = &s->temps[temp];
+ if (!ts->fixed_reg) {
+ switch(ts->val_type) {
+ case TEMP_VAL_REG:
+ tcg_reg_free(s, ts->reg);
+ break;
+ case TEMP_VAL_DEAD:
+ ts->val_type = TEMP_VAL_MEM;
+ break;
+ case TEMP_VAL_CONST:
+ reg = tcg_reg_alloc(s, tcg_target_available_regs[ts->type],
+ allocated_regs);
+ if (!ts->mem_allocated)
+ temp_allocate_frame(s, temp);
+ tcg_out_movi(s, ts->type, reg, ts->val);
+ tcg_out_st(s, ts->type, reg, ts->mem_reg, ts->mem_offset);
+ ts->val_type = TEMP_VAL_MEM;
+ break;
+ case TEMP_VAL_MEM:
+ break;
+ default:
+ tcg_abort();
+ }
+ }
+}
+
+/* save globals to their cannonical location and assume they can be
+ modified be the following code. 'allocated_regs' is used in case a
+ temporary registers needs to be allocated to store a constant. */
+static void save_globals(TCGContext *s, TCGRegSet allocated_regs)
+{
+ int i;
+
+ for(i = 0; i < s->nb_globals; i++) {
+ temp_save(s, i, allocated_regs);
+ }
+}
+
+/* at the end of a basic block, we assume all temporaries are dead and
+ all globals are stored at their canonical location. */
+static void tcg_reg_alloc_bb_end(TCGContext *s, TCGRegSet allocated_regs)
+{
+ TCGTemp *ts;
+ int i;
+
+ for(i = s->nb_globals; i < s->nb_temps; i++) {
+ ts = &s->temps[i];
+ if (ts->temp_local) {
+ temp_save(s, i, allocated_regs);
+ } else {
+ if (ts->val_type == TEMP_VAL_REG) {
+ s->reg_to_temp[ts->reg] = -1;
+ }
+ ts->val_type = TEMP_VAL_DEAD;
+ }
+ }
+
+ save_globals(s, allocated_regs);
+}
+
+#define IS_DEAD_IARG(n) ((dead_iargs >> (n)) & 1)
+
+static void tcg_reg_alloc_movi(TCGContext *s, const TCGArg *args)
+{
+ TCGTemp *ots;
+ tcg_target_ulong val;
+
+ ots = &s->temps[args[0]];
+ val = args[1];
+
+ if (ots->fixed_reg) {
+ /* for fixed registers, we do not do any constant
+ propagation */
+ tcg_out_movi(s, ots->type, ots->reg, val);
+ } else {
+ /* The movi is not explicitly generated here */
+ if (ots->val_type == TEMP_VAL_REG)
+ s->reg_to_temp[ots->reg] = -1;
+ ots->val_type = TEMP_VAL_CONST;
+ ots->val = val;
+ }
+}
+
+static void tcg_reg_alloc_mov(TCGContext *s, const TCGOpDef *def,
+ const TCGArg *args,
+ unsigned int dead_iargs)
+{
+ TCGTemp *ts, *ots;
+ int reg;
+ const TCGArgConstraint *arg_ct;
+
+ ots = &s->temps[args[0]];
+ ts = &s->temps[args[1]];
+ arg_ct = &def->args_ct[0];
+
+ /* XXX: always mark arg dead if IS_DEAD_IARG(0) */
+ if (ts->val_type == TEMP_VAL_REG) {
+ if (IS_DEAD_IARG(0) && !ts->fixed_reg && !ots->fixed_reg) {
+ /* the mov can be suppressed */
+ if (ots->val_type == TEMP_VAL_REG)
+ s->reg_to_temp[ots->reg] = -1;
+ reg = ts->reg;
+ s->reg_to_temp[reg] = -1;
+ ts->val_type = TEMP_VAL_DEAD;
+ } else {
+ if (ots->val_type == TEMP_VAL_REG) {
+ reg = ots->reg;
+ } else {
+ reg = tcg_reg_alloc(s, arg_ct->u.regs, s->reserved_regs);
+ }
+ if (ts->reg != reg) {
+ tcg_out_mov(s, reg, ts->reg);
+ }
+ }
+ } else if (ts->val_type == TEMP_VAL_MEM) {
+ if (ots->val_type == TEMP_VAL_REG) {
+ reg = ots->reg;
+ } else {
+ reg = tcg_reg_alloc(s, arg_ct->u.regs, s->reserved_regs);
+ }
+ tcg_out_ld(s, ts->type, reg, ts->mem_reg, ts->mem_offset);
+ } else if (ts->val_type == TEMP_VAL_CONST) {
+ if (ots->fixed_reg) {
+ reg = ots->reg;
+ tcg_out_movi(s, ots->type, reg, ts->val);
+ } else {
+ /* propagate constant */
+ if (ots->val_type == TEMP_VAL_REG)
+ s->reg_to_temp[ots->reg] = -1;
+ ots->val_type = TEMP_VAL_CONST;
+ ots->val = ts->val;
+ return;
+ }
+ } else {
+ tcg_abort();
+ }
+ s->reg_to_temp[reg] = args[0];
+ ots->reg = reg;
+ ots->val_type = TEMP_VAL_REG;
+ ots->mem_coherent = 0;
+}
+
+static void tcg_reg_alloc_op(TCGContext *s,
+ const TCGOpDef *def, int opc,
+ const TCGArg *args,
+ unsigned int dead_iargs)
+{
+ TCGRegSet allocated_regs;
+ int i, k, nb_iargs, nb_oargs, reg;
+ TCGArg arg;
+ const TCGArgConstraint *arg_ct;
+ TCGTemp *ts;
+ TCGArg new_args[TCG_MAX_OP_ARGS];
+ int const_args[TCG_MAX_OP_ARGS];
+
+ nb_oargs = def->nb_oargs;
+ nb_iargs = def->nb_iargs;
+
+ /* copy constants */
+ memcpy(new_args + nb_oargs + nb_iargs,
+ args + nb_oargs + nb_iargs,
+ sizeof(TCGArg) * def->nb_cargs);
+
+ /* satisfy input constraints */
+ tcg_regset_set(allocated_regs, s->reserved_regs);
+ for(k = 0; k < nb_iargs; k++) {
+ i = def->sorted_args[nb_oargs + k];
+ arg = args[i];
+ arg_ct = &def->args_ct[i];
+ ts = &s->temps[arg];
+ if (ts->val_type == TEMP_VAL_MEM) {
+ reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs);
+ tcg_out_ld(s, ts->type, reg, ts->mem_reg, ts->mem_offset);
+ ts->val_type = TEMP_VAL_REG;
+ ts->reg = reg;
+ ts->mem_coherent = 1;
+ s->reg_to_temp[reg] = arg;
+ } else if (ts->val_type == TEMP_VAL_CONST) {
+ if (tcg_target_const_match(ts->val, arg_ct)) {
+ /* constant is OK for instruction */
+ const_args[i] = 1;
+ new_args[i] = ts->val;
+ goto iarg_end;
+ } else {
+ /* need to move to a register */
+ reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs);
+ tcg_out_movi(s, ts->type, reg, ts->val);
+ ts->val_type = TEMP_VAL_REG;
+ ts->reg = reg;
+ ts->mem_coherent = 0;
+ s->reg_to_temp[reg] = arg;
+ }
+ }
+ assert(ts->val_type == TEMP_VAL_REG);
+ if (arg_ct->ct & TCG_CT_IALIAS) {
+ if (ts->fixed_reg) {
+ /* if fixed register, we must allocate a new register
+ if the alias is not the same register */
+ if (arg != args[arg_ct->alias_index])
+ goto allocate_in_reg;
+ } else {
+ /* if the input is aliased to an output and if it is
+ not dead after the instruction, we must allocate
+ a new register and move it */
+ if (!IS_DEAD_IARG(i - nb_oargs))
+ goto allocate_in_reg;
+ }
+ }
+ reg = ts->reg;
+ if (tcg_regset_test_reg(arg_ct->u.regs, reg)) {
+ /* nothing to do : the constraint is satisfied */
+ } else {
+ allocate_in_reg:
+ /* allocate a new register matching the constraint
+ and move the temporary register into it */
+ reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs);
+ tcg_out_mov(s, reg, ts->reg);
+ }
+ new_args[i] = reg;
+ const_args[i] = 0;
+ tcg_regset_set_reg(allocated_regs, reg);
+ iarg_end: ;
+ }
+
+ if (def->flags & TCG_OPF_BB_END) {
+ tcg_reg_alloc_bb_end(s, allocated_regs);
+ } else {
+ /* mark dead temporaries and free the associated registers */
+ for(i = 0; i < nb_iargs; i++) {
+ arg = args[nb_oargs + i];
+ if (IS_DEAD_IARG(i)) {
+ ts = &s->temps[arg];
+ if (!ts->fixed_reg) {
+ if (ts->val_type == TEMP_VAL_REG)
+ s->reg_to_temp[ts->reg] = -1;
+ ts->val_type = TEMP_VAL_DEAD;
+ }
+ }
+ }
+
+ if (def->flags & TCG_OPF_CALL_CLOBBER) {
+ /* XXX: permit generic clobber register list ? */
+ for(reg = 0; reg < TCG_TARGET_NB_REGS; reg++) {
+ if (tcg_regset_test_reg(tcg_target_call_clobber_regs, reg)) {
+ tcg_reg_free(s, reg);
+ }
+ }
+ /* XXX: for load/store we could do that only for the slow path
+ (i.e. when a memory callback is called) */
+
+ /* store globals and free associated registers (we assume the insn
+ can modify any global. */
+ save_globals(s, allocated_regs);
+ }
+
+ /* satisfy the output constraints */
+ tcg_regset_set(allocated_regs, s->reserved_regs);
+ for(k = 0; k < nb_oargs; k++) {
+ i = def->sorted_args[k];
+ arg = args[i];
+ arg_ct = &def->args_ct[i];
+ ts = &s->temps[arg];
+ if (arg_ct->ct & TCG_CT_ALIAS) {
+ reg = new_args[arg_ct->alias_index];
+ } else {
+ /* if fixed register, we try to use it */
+ reg = ts->reg;
+ if (ts->fixed_reg &&
+ tcg_regset_test_reg(arg_ct->u.regs, reg)) {
+ goto oarg_end;
+ }
+ reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs);
+ }
+ tcg_regset_set_reg(allocated_regs, reg);
+ /* if a fixed register is used, then a move will be done afterwards */
+ if (!ts->fixed_reg) {
+ if (ts->val_type == TEMP_VAL_REG)
+ s->reg_to_temp[ts->reg] = -1;
+ ts->val_type = TEMP_VAL_REG;
+ ts->reg = reg;
+ /* temp value is modified, so the value kept in memory is
+ potentially not the same */
+ ts->mem_coherent = 0;
+ s->reg_to_temp[reg] = arg;
+ }
+ oarg_end:
+ new_args[i] = reg;
+ }
+ }
+
+ /* emit instruction */
+ tcg_out_op(s, opc, new_args, const_args);
+
+ /* move the outputs in the correct register if needed */
+ for(i = 0; i < nb_oargs; i++) {
+ ts = &s->temps[args[i]];
+ reg = new_args[i];
+ if (ts->fixed_reg && ts->reg != reg) {
+ tcg_out_mov(s, ts->reg, reg);
+ }
+ }
+}
+
+#ifdef TCG_TARGET_STACK_GROWSUP
+#define STACK_DIR(x) (-(x))
+#else
+#define STACK_DIR(x) (x)
+#endif
+
+static int tcg_reg_alloc_call(TCGContext *s, const TCGOpDef *def,
+ int opc, const TCGArg *args,
+ unsigned int dead_iargs)
+{
+ 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;
+ int const_func_arg, allocate_args;
+ TCGRegSet allocated_regs;
+ const TCGArgConstraint *arg_ct;
+
+ arg = *args++;
+
+ nb_oargs = arg >> 16;
+ nb_iargs = arg & 0xffff;
+ nb_params = nb_iargs - 1;
+
+ flags = args[nb_oargs + nb_iargs];
+
+ nb_regs = tcg_target_get_call_iarg_regs_count(flags);
+ if (nb_regs > nb_params)
+ nb_regs = nb_params;
+
+ /* assign stack slots first */
+ /* XXX: preallocate call stack */
+ call_stack_size = (nb_params - nb_regs) * sizeof(tcg_target_long);
+ call_stack_size = (call_stack_size + TCG_TARGET_STACK_ALIGN - 1) &
+ ~(TCG_TARGET_STACK_ALIGN - 1);
+ allocate_args = (call_stack_size > TCG_STATIC_CALL_ARGS_SIZE);
+ if (allocate_args) {
+ tcg_out_addi(s, TCG_REG_CALL_STACK, -STACK_DIR(call_stack_size));
+ }
+
+ stack_offset = TCG_TARGET_CALL_STACK_OFFSET;
+ for(i = nb_regs; i < nb_params; i++) {
+ arg = args[nb_oargs + i];
+#ifdef TCG_TARGET_STACK_GROWSUP
+ stack_offset -= sizeof(tcg_target_long);
+#endif
+ if (arg != TCG_CALL_DUMMY_ARG) {
+ ts = &s->temps[arg];
+ if (ts->val_type == TEMP_VAL_REG) {
+ tcg_out_st(s, ts->type, ts->reg, TCG_REG_CALL_STACK, stack_offset);
+ } else if (ts->val_type == TEMP_VAL_MEM) {
+ reg = tcg_reg_alloc(s, tcg_target_available_regs[ts->type],
+ s->reserved_regs);
+ /* XXX: not correct if reading values from the stack */
+ tcg_out_ld(s, ts->type, reg, ts->mem_reg, ts->mem_offset);
+ tcg_out_st(s, ts->type, reg, TCG_REG_CALL_STACK, stack_offset);
+ } else if (ts->val_type == TEMP_VAL_CONST) {
+ reg = tcg_reg_alloc(s, tcg_target_available_regs[ts->type],
+ s->reserved_regs);
+ /* XXX: sign extend may be needed on some targets */
+ tcg_out_movi(s, ts->type, reg, ts->val);
+ tcg_out_st(s, ts->type, reg, TCG_REG_CALL_STACK, stack_offset);
+ } else {
+ tcg_abort();
+ }
+ }
+#ifndef TCG_TARGET_STACK_GROWSUP
+ stack_offset += sizeof(tcg_target_long);
+#endif
+ }
+
+ /* assign input registers */
+ tcg_regset_set(allocated_regs, s->reserved_regs);
+ for(i = 0; i < nb_regs; i++) {
+ arg = args[nb_oargs + i];
+ if (arg != TCG_CALL_DUMMY_ARG) {
+ ts = &s->temps[arg];
+ reg = tcg_target_call_iarg_regs[i];
+ tcg_reg_free(s, reg);
+ if (ts->val_type == TEMP_VAL_REG) {
+ if (ts->reg != reg) {
+ tcg_out_mov(s, reg, ts->reg);
+ }
+ } else if (ts->val_type == TEMP_VAL_MEM) {
+ tcg_out_ld(s, ts->type, reg, ts->mem_reg, ts->mem_offset);
+ } else if (ts->val_type == TEMP_VAL_CONST) {
+ /* XXX: sign extend ? */
+ tcg_out_movi(s, ts->type, reg, ts->val);
+ } else {
+ tcg_abort();
+ }
+ tcg_regset_set_reg(allocated_regs, reg);
+ }
+ }
+
+ /* assign function address */
+ func_arg = args[nb_oargs + nb_iargs - 1];
+ arg_ct = &def->args_ct[0];
+ ts = &s->temps[func_arg];
+ func_addr = ts->val;
+ const_func_arg = 0;
+ if (ts->val_type == TEMP_VAL_MEM) {
+ reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs);
+ tcg_out_ld(s, ts->type, reg, ts->mem_reg, ts->mem_offset);
+ func_arg = reg;
+ tcg_regset_set_reg(allocated_regs, reg);
+ } else if (ts->val_type == TEMP_VAL_REG) {
+ reg = ts->reg;
+ if (!tcg_regset_test_reg(arg_ct->u.regs, reg)) {
+ reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs);
+ tcg_out_mov(s, reg, ts->reg);
+ }
+ func_arg = reg;
+ tcg_regset_set_reg(allocated_regs, reg);
+ } else if (ts->val_type == TEMP_VAL_CONST) {
+ if (tcg_target_const_match(func_addr, arg_ct)) {
+ const_func_arg = 1;
+ func_arg = func_addr;
+ } else {
+ reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs);
+ tcg_out_movi(s, ts->type, reg, func_addr);
+ func_arg = reg;
+ tcg_regset_set_reg(allocated_regs, reg);
+ }
+ } else {
+ tcg_abort();
+ }
+
+
+ /* mark dead temporaries and free the associated registers */
+ for(i = 0; i < nb_iargs; i++) {
+ arg = args[nb_oargs + i];
+ if (IS_DEAD_IARG(i)) {
+ ts = &s->temps[arg];
+ if (!ts->fixed_reg) {
+ if (ts->val_type == TEMP_VAL_REG)
+ s->reg_to_temp[ts->reg] = -1;
+ ts->val_type = TEMP_VAL_DEAD;
+ }
+ }
+ }
+
+ /* clobber call registers */
+ for(reg = 0; reg < TCG_TARGET_NB_REGS; reg++) {
+ if (tcg_regset_test_reg(tcg_target_call_clobber_regs, reg)) {
+ tcg_reg_free(s, reg);
+ }
+ }
+
+ /* store globals and free associated registers (we assume the call
+ can modify any global. */
+ save_globals(s, allocated_regs);
+
+ tcg_out_op(s, opc, &func_arg, &const_func_arg);
+
+ if (allocate_args) {
+ tcg_out_addi(s, TCG_REG_CALL_STACK, STACK_DIR(call_stack_size));
+ }
+
+ /* assign output registers and emit moves if needed */
+ for(i = 0; i < nb_oargs; i++) {
+ arg = args[i];
+ ts = &s->temps[arg];
+ reg = tcg_target_call_oarg_regs[i];
+ assert(s->reg_to_temp[reg] == -1);
+ if (ts->fixed_reg) {
+ if (ts->reg != reg) {
+ tcg_out_mov(s, ts->reg, reg);
+ }
+ } else {
+ if (ts->val_type == TEMP_VAL_REG)
+ s->reg_to_temp[ts->reg] = -1;
+ ts->val_type = TEMP_VAL_REG;
+ ts->reg = reg;
+ ts->mem_coherent = 0;
+ s->reg_to_temp[reg] = arg;
+ }
+ }
+
+ return nb_iargs + nb_oargs + def->nb_cargs + 1;
+}
+
+#ifdef CONFIG_PROFILER
+
+static int64_t tcg_table_op_count[NB_OPS];
+
+void dump_op_count(void)
+{
+ int i;
+ FILE *f;
+ f = fopen("/tmp/op.log", "w");
+ for(i = INDEX_op_end; i < NB_OPS; i++) {
+ fprintf(f, "%s %" PRId64 "\n", tcg_op_defs[i].name, tcg_table_op_count[i]);
+ }
+ fclose(f);
+}
+#endif
+
+
+static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
+ long search_pc)
+{
+ int opc, op_index;
+ const TCGOpDef *def;
+ unsigned int dead_iargs;
+ const TCGArg *args;
+
+#ifdef DEBUG_DISAS
+ if (unlikely(loglevel & CPU_LOG_TB_OP)) {
+ fprintf(logfile, "OP:\n");
+ tcg_dump_ops(s, logfile);
+ fprintf(logfile, "\n");
+ }
+#endif
+
+#ifdef CONFIG_PROFILER
+ s->la_time -= profile_getclock();
+#endif
+ tcg_liveness_analysis(s);
+#ifdef CONFIG_PROFILER
+ s->la_time += profile_getclock();
+#endif
+
+#ifdef DEBUG_DISAS
+ if (unlikely(loglevel & CPU_LOG_TB_OP_OPT)) {
+ fprintf(logfile, "OP after la:\n");
+ tcg_dump_ops(s, logfile);
+ fprintf(logfile, "\n");
+ }
+#endif
+
+ tcg_reg_alloc_start(s);
+
+ s->code_buf = gen_code_buf;
+ s->code_ptr = gen_code_buf;
+
+ args = gen_opparam_buf;
+ op_index = 0;
+
+ for(;;) {
+ opc = gen_opc_buf[op_index];
+#ifdef CONFIG_PROFILER
+ tcg_table_op_count[opc]++;
+#endif
+ def = &tcg_op_defs[opc];
+#if 0
+ printf("%s: %d %d %d\n", def->name,
+ def->nb_oargs, def->nb_iargs, def->nb_cargs);
+ // dump_regs(s);
+#endif
+ switch(opc) {
+ case INDEX_op_mov_i32:
+#if TCG_TARGET_REG_BITS == 64
+ case INDEX_op_mov_i64:
+#endif
+ dead_iargs = s->op_dead_iargs[op_index];
+ tcg_reg_alloc_mov(s, def, args, dead_iargs);
+ break;
+ case INDEX_op_movi_i32:
+#if TCG_TARGET_REG_BITS == 64
+ case INDEX_op_movi_i64:
+#endif
+ tcg_reg_alloc_movi(s, args);
+ break;
+ case INDEX_op_debug_insn_start:
+ /* debug instruction */
+ break;
+ case INDEX_op_nop:
+ case INDEX_op_nop1:
+ case INDEX_op_nop2:
+ case INDEX_op_nop3:
+ break;
+ case INDEX_op_nopn:
+ args += args[0];
+ goto next;
+ case INDEX_op_discard:
+ {
+ TCGTemp *ts;
+ ts = &s->temps[args[0]];
+ /* mark the temporary as dead */
+ if (!ts->fixed_reg) {
+ if (ts->val_type == TEMP_VAL_REG)
+ s->reg_to_temp[ts->reg] = -1;
+ ts->val_type = TEMP_VAL_DEAD;
+ }
+ }
+ break;
+ case INDEX_op_set_label:
+ tcg_reg_alloc_bb_end(s, s->reserved_regs);
+ tcg_out_label(s, args[0], (long)s->code_ptr);
+ break;
+ case INDEX_op_call:
+ dead_iargs = s->op_dead_iargs[op_index];
+ args += tcg_reg_alloc_call(s, def, opc, args, dead_iargs);
+ goto next;
+ case INDEX_op_end:
+ goto the_end;
+ default:
+ /* Note: in order to speed up the code, it would be much
+ faster to have specialized register allocator functions for
+ some common argument patterns */
+ dead_iargs = s->op_dead_iargs[op_index];
+ tcg_reg_alloc_op(s, def, opc, args, dead_iargs);
+ break;
+ }
+ args += def->nb_args;
+ next:
+ if (search_pc >= 0 && search_pc < s->code_ptr - gen_code_buf) {
+ return op_index;
+ }
+ op_index++;
+#ifndef NDEBUG
+ check_regs(s);
+#endif
+ }
+ the_end:
+ return -1;
+}
+
+int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf)
+{
+#ifdef CONFIG_PROFILER
+ {
+ int n;
+ n = (gen_opc_ptr - gen_opc_buf);
+ s->op_count += n;
+ if (n > s->op_count_max)
+ s->op_count_max = n;
+
+ s->temp_count += s->nb_temps;
+ if (s->nb_temps > s->temp_count_max)
+ s->temp_count_max = s->nb_temps;
+ }
+#endif
+
+ tcg_gen_code_common(s, gen_code_buf, -1);
+
+ /* flush instruction cache */
+ flush_icache_range((unsigned long)gen_code_buf,
+ (unsigned long)s->code_ptr);
+ return s->code_ptr - gen_code_buf;
+}
+
+/* Return the index of the micro operation such as the pc after is <
+ offset bytes from the start of the TB. The contents of gen_code_buf must
+ not be changed, though writing the same values is ok.
+ Return -1 if not found. */
+int tcg_gen_code_search_pc(TCGContext *s, uint8_t *gen_code_buf, long offset)
+{
+ return tcg_gen_code_common(s, gen_code_buf, offset);
+}
+
+#ifdef CONFIG_PROFILER
+void tcg_dump_info(FILE *f,
+ int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
+{
+ TCGContext *s = &tcg_ctx;
+ int64_t tot;
+
+ tot = s->interm_time + s->code_time;
+ cpu_fprintf(f, "JIT cycles %" PRId64 " (%0.3f s at 2.4 GHz)\n",
+ tot, tot / 2.4e9);
+ cpu_fprintf(f, "translated TBs %" PRId64 " (aborted=%" PRId64 " %0.1f%%)\n",
+ s->tb_count,
+ s->tb_count1 - s->tb_count,
+ s->tb_count1 ? (double)(s->tb_count1 - s->tb_count) / s->tb_count1 * 100.0 : 0);
+ cpu_fprintf(f, "avg ops/TB %0.1f max=%d\n",
+ s->tb_count ? (double)s->op_count / s->tb_count : 0, s->op_count_max);
+ cpu_fprintf(f, "old ops/total ops %0.1f%%\n",
+ s->op_count ? (double)s->old_op_count / s->op_count * 100.0 : 0);
+ cpu_fprintf(f, "deleted ops/TB %0.2f\n",
+ s->tb_count ?
+ (double)s->del_op_count / s->tb_count : 0);
+ cpu_fprintf(f, "avg temps/TB %0.2f max=%d\n",
+ s->tb_count ?
+ (double)s->temp_count / s->tb_count : 0,
+ s->temp_count_max);
+
+ cpu_fprintf(f, "cycles/op %0.1f\n",
+ s->op_count ? (double)tot / s->op_count : 0);
+ cpu_fprintf(f, "cycles/in byte %0.1f\n",
+ s->code_in_len ? (double)tot / s->code_in_len : 0);
+ cpu_fprintf(f, "cycles/out byte %0.1f\n",
+ s->code_out_len ? (double)tot / s->code_out_len : 0);
+ if (tot == 0)
+ tot = 1;
+ cpu_fprintf(f, " gen_interm time %0.1f%%\n",
+ (double)s->interm_time / tot * 100.0);
+ cpu_fprintf(f, " gen_code time %0.1f%%\n",
+ (double)s->code_time / tot * 100.0);
+ cpu_fprintf(f, "liveness/code time %0.1f%%\n",
+ (double)s->la_time / (s->code_time ? s->code_time : 1) * 100.0);
+ cpu_fprintf(f, "cpu_restore count %" PRId64 "\n",
+ s->restore_count);
+ cpu_fprintf(f, " avg cycles %0.1f\n",
+ s->restore_count ? (double)s->restore_time / s->restore_count : 0);
+ {
+ extern void dump_op_count(void);
+ dump_op_count();
+ }
+}
+#else
+void tcg_dump_info(FILE *f,
+ int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
+{
+ cpu_fprintf(f, "[TCG profiler not compiled]\n");
+}
+#endif