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added tcg_temp_free() and improved the handling of constants

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4544 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2008-05-23 17:33:39 +00:00
parent d7e4036e31
commit e8996ee012
3 changed files with 401 additions and 234 deletions
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11
tcg/tcg.h
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@ -98,6 +98,7 @@ typedef int TCGType;
#define TCG_TYPE_I32 0
#define TCG_TYPE_I64 1
#define TCG_TYPE_COUNT 2 /* number of different types */
#if TCG_TARGET_REG_BITS == 32
#define TCG_TYPE_PTR TCG_TYPE_I32
@ -188,6 +189,9 @@ typedef struct TCGTemp {
unsigned int fixed_reg:1;
unsigned int mem_coherent:1;
unsigned int mem_allocated:1;
unsigned int temp_allocated:1; /* never used for code gen */
/* index of next free temp of same base type, -1 if end */
int next_free_temp;
const char *name;
} TCGTemp;
@ -208,6 +212,8 @@ struct TCGContext {
TCGTemp *temps; /* globals first, temps after */
int nb_globals;
int nb_temps;
int first_free_temp[TCG_TYPE_COUNT]; /* index of free temps, -1 if none */
/* constant indexes (end of temp array) */
int const_start;
int const_end;
@ -236,6 +242,7 @@ struct TCGContext {
TCGHelperInfo *helpers;
int nb_helpers;
int allocated_helpers;
int helpers_sorted;
#ifdef CONFIG_PROFILER
/* profiling info */
@ -299,6 +306,7 @@ TCGv tcg_global_reg2_new_hack(TCGType type, int reg1, int reg2,
TCGv tcg_global_mem_new(TCGType type, int reg, tcg_target_long offset,
const char *name);
TCGv tcg_temp_new(TCGType type);
void tcg_temp_free(TCGv arg);
char *tcg_get_arg_str(TCGContext *s, char *buf, int buf_size, TCGv arg);
void tcg_dump_info(FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
@ -381,9 +389,6 @@ TCGv tcg_const_i64(int64_t val);
void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type,
int label_index, long addend);
void tcg_reg_alloc_start(TCGContext *s);
void tcg_reg_alloc_bb_end(TCGContext *s);
void tcg_liveness_analysis(TCGContext *s);
const TCGArg *tcg_gen_code_op(TCGContext *s, int opc, const TCGArg *args1,
unsigned int dead_iargs);