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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2008-05-25 18:21:31 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2008-05-25 18:21:31 +0000
commitb314f2706b7db8def5d4e82024fd8e7d244493ef (patch)
treea74279e373056a61fab09544122ea59b6bb667cf /tcg/tcg.c
parent4f7de37327ca8d76ad998be10cd6113a90672e75 (diff)
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suppressed unused macro handling
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4580 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'tcg/tcg.c')
-rw-r--r--tcg/tcg.c96
1 files changed, 2 insertions, 94 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c
index c6b32ec..fd5d288 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -259,11 +259,6 @@ void tcg_set_frame(TCGContext *s, int reg,
s->frame_reg = reg;
}
-void tcg_set_macro_func(TCGContext *s, TCGMacroFunc *func)
-{
- s->macro_func = func;
-}
-
void tcg_func_start(TCGContext *s)
{
int i;
@@ -1120,76 +1115,6 @@ void tcg_liveness_analysis(TCGContext *s)
/* mark the temporary as dead */
dead_temps[args[0]] = 1;
break;
- case INDEX_op_macro_2:
- {
- int dead_args[2], macro_id;
- int saved_op_index, saved_arg_index;
- int macro_op_index, macro_arg_index;
- int macro_end_op_index, macro_end_arg_index;
- int last_nb_temps;
-
- nb_args = 3;
- args -= nb_args;
- dead_args[0] = dead_temps[args[0]];
- dead_args[1] = dead_temps[args[1]];
- macro_id = args[2];
-
- /* call the macro function which generate code
- depending on the live outputs */
- saved_op_index = op_index;
- saved_arg_index = args - gen_opparam_buf;
-
- /* add a macro start instruction */
- *gen_opc_ptr++ = INDEX_op_macro_start;
- *gen_opparam_ptr++ = saved_op_index;
- *gen_opparam_ptr++ = saved_arg_index;
-
- macro_op_index = gen_opc_ptr - gen_opc_buf;
- macro_arg_index = gen_opparam_ptr - gen_opparam_buf;
-
- last_nb_temps = s->nb_temps;
-
- s->macro_func(s, macro_id, dead_args);
-
- /* realloc temp info (XXX: make it faster) */
- if (s->nb_temps > last_nb_temps) {
- uint8_t *new_dead_temps;
-
- new_dead_temps = tcg_malloc(s->nb_temps);
- memcpy(new_dead_temps, dead_temps, last_nb_temps);
- memset(new_dead_temps + last_nb_temps, 1,
- s->nb_temps - last_nb_temps);
- dead_temps = new_dead_temps;
- }
-
- macro_end_op_index = gen_opc_ptr - gen_opc_buf;
- macro_end_arg_index = gen_opparam_ptr - gen_opparam_buf;
-
- /* end of macro: add a goto to the next instruction */
- *gen_opc_ptr++ = INDEX_op_macro_end;
- *gen_opparam_ptr++ = op_index + 1;
- *gen_opparam_ptr++ = saved_arg_index + nb_args;
-
- /* modify the macro operation to be a macro_goto */
- gen_opc_buf[op_index] = INDEX_op_macro_goto;
- args[0] = macro_op_index;
- args[1] = macro_arg_index;
- args[2] = 0; /* dummy third arg to match the
- macro parameters */
-
- /* set the next instruction to the end of the macro */
- op_index = macro_end_op_index;
- args = macro_end_arg_index + gen_opparam_buf;
- }
- break;
- case INDEX_op_macro_start:
- args -= 2;
- op_index = args[0];
- args = gen_opparam_buf + args[1];
- break;
- case INDEX_op_macro_goto:
- case INDEX_op_macro_end:
- tcg_abort(); /* should never happen in liveness analysis */
case INDEX_op_end:
break;
/* XXX: optimize by hardcoding common cases (e.g. triadic ops) */
@@ -1916,7 +1841,7 @@ void dump_op_count(void)
static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
long search_pc)
{
- int opc, op_index, macro_op_index;
+ int opc, op_index;
const TCGOpDef *def;
unsigned int dead_iargs;
const TCGArg *args;
@@ -1950,7 +1875,6 @@ static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
s->code_buf = gen_code_buf;
s->code_ptr = gen_code_buf;
- macro_op_index = -1;
args = gen_opparam_buf;
op_index = 0;
@@ -2002,19 +1926,6 @@ static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
}
}
break;
- case INDEX_op_macro_goto:
- macro_op_index = op_index; /* only used for exceptions */
- op_index = args[0] - 1;
- args = gen_opparam_buf + args[1];
- goto next;
- case INDEX_op_macro_end:
- macro_op_index = -1; /* only used for exceptions */
- op_index = args[0] - 1;
- args = gen_opparam_buf + args[1];
- goto next;
- case INDEX_op_macro_start:
- /* must never happen here */
- tcg_abort();
case INDEX_op_set_label:
tcg_reg_alloc_bb_end(s, s->reserved_regs);
tcg_out_label(s, args[0], (long)s->code_ptr);
@@ -2052,10 +1963,7 @@ static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
args += def->nb_args;
next: ;
if (search_pc >= 0 && search_pc < s->code_ptr - gen_code_buf) {
- if (macro_op_index >= 0)
- return macro_op_index;
- else
- return op_index;
+ return op_index;
}
op_index++;
#ifndef NDEBUG