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use the TCG code generator

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3944 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2008-02-01 10:50:11 +00:00
parent c896fe29d6
commit 57fec1fee9
35 changed files with 1098 additions and 2364 deletions
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44
target-cris/translate.c
View file

@ -51,6 +51,7 @@
#include "cpu.h"
#include "exec-all.h"
#include "disas.h"
#include "tcg-op.h"
#include "crisv32-decode.h"
#define CRIS_STATS 0
@ -67,12 +68,6 @@
#define DIS(x)
#endif
#ifdef USE_DIRECT_JUMP
#define TBPARAM(x)
#else
#define TBPARAM(x) (long)(x)
#endif
#define BUG() (gen_BUG(dc, __FILE__, __LINE__))
#define BUG_ON(x) ({if (x) BUG();})
@ -85,17 +80,6 @@
#define CC_MASK_NZVC 0xf
#define CC_MASK_RNZV 0x10e
static uint16_t *gen_opc_ptr;
static uint32_t *gen_opparam_ptr;
enum {
#define DEF(s, n, copy_size) INDEX_op_ ## s,
#include "opc.h"
#undef DEF
NB_OPS,
};
#include "gen-op.h"
/* This is the state at translation time. */
typedef struct DisasContext {
CPUState *env;
@ -264,15 +248,14 @@ static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest)
TranslationBlock *tb;
tb = dc->tb;
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
if (n == 0)
gen_op_goto_tb0(TBPARAM(tb));
else
gen_op_goto_tb1(TBPARAM(tb));
gen_op_movl_T0_0();
#if 0
/* XXX: this code is not finished */
tcg_gen_goto_tb(n);
#endif
tcg_gen_exit_tb(0);
} else {
gen_op_movl_T0_0();
tcg_gen_exit_tb(0);
}
gen_op_exit_tb();
}
/* Sign extend at translation time. */
@ -2325,9 +2308,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
dc->env = env;
dc->tb = tb;
gen_opc_ptr = gen_opc_buf;
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
gen_opparam_ptr = gen_opparam_buf;
dc->is_jmp = DISAS_NEXT;
dc->pc = pc_start;
@ -2374,7 +2355,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
if (dc->delayed_branch == 0)
{
if (dc->bcc == CC_A) {
gen_op_jmp ();
gen_op_jmp1 ();
dc->is_jmp = DISAS_UPDATE;
}
else {
@ -2409,9 +2390,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
case DISAS_UPDATE:
/* indicate that the hash table must be used
to find the next TB */
/* T0 is used to index the jmp tables. */
gen_op_movl_T0_0();
gen_op_exit_tb();
tcg_gen_exit_tb(0);
break;
case DISAS_TB_JUMP:
/* nothing more to generate */
@ -2434,11 +2413,6 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
target_disas(logfile, pc_start, dc->pc + 4 - pc_start, 0);
fprintf(logfile, "\n");
if (loglevel & CPU_LOG_TB_OP) {
fprintf(logfile, "OP:\n");
dump_ops(gen_opc_buf, gen_opparam_buf);
fprintf(logfile, "\n");
}
}
#endif
return 0;