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tcg: Add TCGConst argument to tcg_target_const_match 

Fill the new argument from any condition within the opcode.
Not yet used within any backend.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
master
Richard Henderson 2023-10-27 15:44:45 -07:00
parent f9ec459da8
commit 21e9a8aefb
11 changed files with 52 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
tcg/aarch64/tcg-target.c.inc
View File

@ -270,7 +270,8 @@ static bool is_shimm1632(uint32_t v32, int *cmode, int *imm8)
}
}
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece)
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece)
{
if (ct & TCG_CT_CONST) {
return 1;

3
tcg/arm/tcg-target.c.inc
View File

@ -501,7 +501,8 @@ static bool is_shimm1632(uint32_t v32, int *cmode, int *imm8)
* mov operand2: values represented with x << (2 * y), x < 0x100
* add, sub, eor...: ditto
*/
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece)
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece)
{
if (ct & TCG_CT_CONST) {
return 1;

3
tcg/i386/tcg-target.c.inc
View File

@ -195,7 +195,8 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type,
}
/* test if a constant matches the constraint */
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece)
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece)
{
if (ct & TCG_CT_CONST) {
return 1;

3
tcg/loongarch64/tcg-target.c.inc
View File

@ -183,7 +183,8 @@ static inline tcg_target_long sextreg(tcg_target_long val, int pos, int len)
}
/* test if a constant matches the constraint */
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece)
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece)
{
if (ct & TCG_CT_CONST) {
return true;

3
tcg/mips/tcg-target.c.inc
View File

@ -188,7 +188,8 @@ static bool is_p2m1(tcg_target_long val)
}
/* test if a constant matches the constraint */
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece)
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece)
{
if (ct & TCG_CT_CONST) {
return 1;

3
tcg/ppc/tcg-target.c.inc
View File

@ -282,7 +282,8 @@ static bool reloc_pc34(tcg_insn_unit *src_rw, const tcg_insn_unit *target)
}
/* test if a constant matches the constraint */
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece)
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece)
{
if (ct & TCG_CT_CONST) {
return 1;

3
tcg/riscv/tcg-target.c.inc
View File

@ -145,7 +145,8 @@ static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKind kind, int slot)
#define sextreg sextract64
/* test if a constant matches the constraint */
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece)
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece)
{
if (ct & TCG_CT_CONST) {
return 1;

3
tcg/s390x/tcg-target.c.inc
View File

@ -538,7 +538,8 @@ static bool risbg_mask(uint64_t c)
}
/* Test if a constant matches the constraint. */
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece)
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece)
{
if (ct & TCG_CT_CONST) {
return 1;

3
tcg/sparc64/tcg-target.c.inc
View File

@ -322,7 +322,8 @@ static bool patch_reloc(tcg_insn_unit *src_rw, int type,
}
/* test if a constant matches the constraint */
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece)
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece)
{
if (ct & TCG_CT_CONST) {
return 1;

34
tcg/tcg.c
View File

@ -173,7 +173,8 @@ static bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val,
static void tcg_out_call(TCGContext *s, const tcg_insn_unit *target,
const TCGHelperInfo *info);
static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKind kind, int slot);
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece);
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece);
#ifdef TCG_TARGET_NEED_LDST_LABELS
static int tcg_out_ldst_finalize(TCGContext *s);
#endif
@ -4786,6 +4787,7 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op)
TCGTemp *ts;
TCGArg new_args[TCG_MAX_OP_ARGS];
int const_args[TCG_MAX_OP_ARGS];
TCGCond op_cond;
nb_oargs = def->nb_oargs;
nb_iargs = def->nb_iargs;
@ -4798,6 +4800,33 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op)
i_allocated_regs = s->reserved_regs;
o_allocated_regs = s->reserved_regs;
switch (op->opc) {
case INDEX_op_brcond_i32:
case INDEX_op_brcond_i64:
op_cond = op->args[2];
break;
case INDEX_op_setcond_i32:
case INDEX_op_setcond_i64:
case INDEX_op_negsetcond_i32:
case INDEX_op_negsetcond_i64:
case INDEX_op_cmp_vec:
op_cond = op->args[3];
break;
case INDEX_op_brcond2_i32:
op_cond = op->args[4];
break;
case INDEX_op_movcond_i32:
case INDEX_op_movcond_i64:
case INDEX_op_setcond2_i32:
case INDEX_op_cmpsel_vec:
op_cond = op->args[5];
break;
default:
/* No condition within opcode. */
op_cond = TCG_COND_ALWAYS;
break;
}
/* satisfy input constraints */
for (k = 0; k < nb_iargs; k++) {
TCGRegSet i_preferred_regs, i_required_regs;
@ -4811,7 +4840,8 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op)
ts = arg_temp(arg);
if (ts->val_type == TEMP_VAL_CONST
&& tcg_target_const_match(ts->val, ts->type, arg_ct->ct, TCGOP_VECE(op))) {
&& tcg_target_const_match(ts->val, arg_ct->ct, ts->type,
op_cond, TCGOP_VECE(op))) {
/* constant is OK for instruction */
const_args[i] = 1;
new_args[i] = ts->val;

3
tcg/tci/tcg-target.c.inc
View File

@ -913,7 +913,8 @@ static inline bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val,
}
/* Test if a constant matches the constraint. */
static bool tcg_target_const_match(int64_t val, TCGType type, int ct, int vece)
static bool tcg_target_const_match(int64_t val, int ct,
TCGType type, TCGCond cond, int vece)
{
return ct & TCG_CT_CONST;
}