#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
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)
val = args[1];
th = tcg_find_helper(s, val);
if (th) {
- fprintf(outfile, th->name);
+ fprintf(outfile, "%s", th->name);
} else {
if (c == INDEX_op_movi_i32)
fprintf(outfile, "0x%x", (uint32_t)val);
break;
/* XXX: optimize by hardcoding common cases (e.g. triadic ops) */
default:
- if (op > INDEX_op_end) {
- args -= def->nb_args;
- nb_iargs = def->nb_iargs;
- nb_oargs = def->nb_oargs;
+ 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);
+ /* 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++;
+ s->del_op_count++;
#endif
- } else {
- do_not_remove:
+ } 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;
+ /* 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);
}
- s->op_dead_iargs[op_index] = dead_iargs;
+ dead_temps[arg] = 0;
}
- } else {
- /* legacy dyngen operations */
- args -= def->nb_args;
- /* mark end of basic block */
- tcg_la_bb_end(s, dead_temps);
+ s->op_dead_iargs[op_index] = dead_iargs;
}
break;
}
#ifdef CONFIG_PROFILER
-static int64_t dyngen_table_op_count[NB_OPS];
+static int64_t tcg_table_op_count[NB_OPS];
void dump_op_count(void)
{
int i;
FILE *f;
- f = fopen("/tmp/op1.log", "w");
- for(i = 0; i < INDEX_op_end; i++) {
- fprintf(f, "%s %" PRId64 "\n", tcg_op_defs[i].name, dyngen_table_op_count[i]);
- }
- fclose(f);
- f = fopen("/tmp/op2.log", "w");
+ 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, dyngen_table_op_count[i]);
+ fprintf(f, "%s %" PRId64 "\n", tcg_op_defs[i].name, tcg_table_op_count[i]);
}
fclose(f);
}
#ifdef DEBUG_DISAS
if (unlikely(loglevel & CPU_LOG_TB_OP)) {
- fprintf(logfile, "OP:\n");
+ qemu_log("OP:\n");
tcg_dump_ops(s, logfile);
- fprintf(logfile, "\n");
+ qemu_log("\n");
}
#endif
#ifdef DEBUG_DISAS
if (unlikely(loglevel & CPU_LOG_TB_OP_OPT)) {
- fprintf(logfile, "OP after la:\n");
+ qemu_log("OP after la:\n");
tcg_dump_ops(s, logfile);
- fprintf(logfile, "\n");
+ qemu_log("\n");
}
#endif
for(;;) {
opc = gen_opc_buf[op_index];
#ifdef CONFIG_PROFILER
- dyngen_table_op_count[opc]++;
+ tcg_table_op_count[opc]++;
#endif
def = &tcg_op_defs[opc];
#if 0
goto next;
case INDEX_op_end:
goto the_end;
-
-#ifdef CONFIG_DYNGEN_OP
- case 0 ... INDEX_op_end - 1:
- /* legacy dyngen ops */
-#ifdef CONFIG_PROFILER
- s->old_op_count++;
-#endif
- tcg_reg_alloc_bb_end(s, s->reserved_regs);
- if (search_pc >= 0) {
- s->code_ptr += def->copy_size;
- args += def->nb_args;
- } else {
- args = dyngen_op(s, opc, args);
- }
- goto next;
-#endif
default:
/* Note: in order to speed up the code, it would be much
faster to have specialized register allocator functions for
return -1;
}
-int dyngen_code(TCGContext *s, uint8_t *gen_code_buf)
+int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf)
{
#ifdef CONFIG_PROFILER
{
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 dyngen_code_search_pc(TCGContext *s, uint8_t *gen_code_buf, long offset)
+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);
}
projects / qemu / blobdiff