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tcg: Expand TempOptInfo to 64-bits

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This propagates the extended value of TCGTemp.val that we did before.
In addition, it will be required for vector constants.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-09-06 16:21:32 -07:00
parent 6fcb98eda1
commit 54795544e4
1 changed files with 21 additions and 19 deletions
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40
tcg/optimize.c
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@ -39,8 +39,8 @@ typedef struct TempOptInfo {
bool is_const;
TCGTemp *prev_copy;
TCGTemp *next_copy;
tcg_target_ulong val;
tcg_target_ulong mask;
uint64_t val;
uint64_t mask;
} TempOptInfo;
static inline TempOptInfo *ts_info(TCGTemp *ts)
@ -166,11 +166,11 @@ static bool args_are_copies(TCGArg arg1, TCGArg arg2)
return ts_are_copies(arg_temp(arg1), arg_temp(arg2));
}
static void tcg_opt_gen_movi(TCGContext *s, TCGOp *op, TCGArg dst, TCGArg val)
static void tcg_opt_gen_movi(TCGContext *s, TCGOp *op, TCGArg dst, uint64_t val)
{
const TCGOpDef *def;
TCGOpcode new_op;
tcg_target_ulong mask;
uint64_t mask;
TempOptInfo *di = arg_info(dst);
def = &tcg_op_defs[op->opc];
@ -204,7 +204,7 @@ static void tcg_opt_gen_mov(TCGContext *s, TCGOp *op, TCGArg dst, TCGArg src)
const TCGOpDef *def;
TempOptInfo *di;
TempOptInfo *si;
tcg_target_ulong mask;
uint64_t mask;
TCGOpcode new_op;
if (ts_are_copies(dst_ts, src_ts)) {
@ -247,7 +247,7 @@ static void tcg_opt_gen_mov(TCGContext *s, TCGOp *op, TCGArg dst, TCGArg src)
}
}
static TCGArg do_constant_folding_2(TCGOpcode op, TCGArg x, TCGArg y)
static uint64_t do_constant_folding_2(TCGOpcode op, uint64_t x, uint64_t y)
{
uint64_t l64, h64;
@ -410,10 +410,10 @@ static TCGArg do_constant_folding_2(TCGOpcode op, TCGArg x, TCGArg y)
}
}
static TCGArg do_constant_folding(TCGOpcode op, TCGArg x, TCGArg y)
static uint64_t do_constant_folding(TCGOpcode op, uint64_t x, uint64_t y)
{
const TCGOpDef *def = &tcg_op_defs[op];
TCGArg res = do_constant_folding_2(op, x, y);
uint64_t res = do_constant_folding_2(op, x, y);
if (!(def->flags & TCG_OPF_64BIT)) {
res = (int32_t)res;
}
@ -501,8 +501,9 @@ static bool do_constant_folding_cond_eq(TCGCond c)
static TCGArg do_constant_folding_cond(TCGOpcode op, TCGArg x,
TCGArg y, TCGCond c)
{
tcg_target_ulong xv = arg_info(x)->val;
tcg_target_ulong yv = arg_info(y)->val;
uint64_t xv = arg_info(x)->val;
uint64_t yv = arg_info(y)->val;
if (arg_is_const(x) && arg_is_const(y)) {
const TCGOpDef *def = &tcg_op_defs[op];
tcg_debug_assert(!(def->flags & TCG_OPF_VECTOR));
@ -613,9 +614,8 @@ void tcg_optimize(TCGContext *s)
infos = tcg_malloc(sizeof(TempOptInfo) * nb_temps);
QTAILQ_FOREACH_SAFE(op, &s->ops, link, op_next) {
tcg_target_ulong mask, partmask, affected;
uint64_t mask, partmask, affected, tmp;
int nb_oargs, nb_iargs, i;
TCGArg tmp;
TCGOpcode opc = op->opc;
const TCGOpDef *def = &tcg_op_defs[opc];
@ -1225,14 +1225,15 @@ void tcg_optimize(TCGContext *s)
CASE_OP_32_64(extract2):
if (arg_is_const(op->args[1]) && arg_is_const(op->args[2])) {
TCGArg v1 = arg_info(op->args[1])->val;
TCGArg v2 = arg_info(op->args[2])->val;
uint64_t v1 = arg_info(op->args[1])->val;
uint64_t v2 = arg_info(op->args[2])->val;
int shr = op->args[3];
if (opc == INDEX_op_extract2_i64) {
tmp = (v1 >> op->args[3]) | (v2 << (64 - op->args[3]));
tmp = (v1 >> shr) | (v2 << (64 - shr));
} else {
tmp = (int32_t)(((uint32_t)v1 >> op->args[3]) |
((uint32_t)v2 << (32 - op->args[3])));
tmp = (int32_t)(((uint32_t)v1 >> shr) |
((uint32_t)v2 << (32 - shr)));
}
tcg_opt_gen_movi(s, op, op->args[0], tmp);
break;
@ -1271,9 +1272,10 @@ void tcg_optimize(TCGContext *s)
break;
}
if (arg_is_const(op->args[3]) && arg_is_const(op->args[4])) {
tcg_target_ulong tv = arg_info(op->args[3])->val;
tcg_target_ulong fv = arg_info(op->args[4])->val;
uint64_t tv = arg_info(op->args[3])->val;
uint64_t fv = arg_info(op->args[4])->val;
TCGCond cond = op->args[5];
if (fv == 1 && tv == 0) {
cond = tcg_invert_cond(cond);
} else if (!(tv == 1 && fv == 0)) {