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tcg: Introduce temp_tcgv_{i32,i64,ptr} 

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
master
Richard Henderson 2017-10-20 00:05:45 -07:00
parent ae8b75dc6e
commit 085272b35e
2 changed files with 53 additions and 47 deletions
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74
tcg/tcg.c
View File

@ -492,8 +492,8 @@ static inline TCGTemp *tcg_global_alloc(TCGContext *s)
return ts;
}
static int tcg_global_reg_new_internal(TCGContext *s, TCGType type,
TCGReg reg, const char *name)
static TCGTemp *tcg_global_reg_new_internal(TCGContext *s, TCGType type,
TCGReg reg, const char *name)
{
TCGTemp *ts;
@ -509,44 +509,43 @@ static int tcg_global_reg_new_internal(TCGContext *s, TCGType type,
ts->name = name;
tcg_regset_set_reg(s->reserved_regs, reg);
return temp_idx(ts);
return ts;
}
void tcg_set_frame(TCGContext *s, TCGReg reg, intptr_t start, intptr_t size)
{
int idx;
s->frame_start = start;
s->frame_end = start + size;
idx = tcg_global_reg_new_internal(s, TCG_TYPE_PTR, reg, "_frame");
s->frame_temp = &s->temps[idx];
s->frame_temp
= tcg_global_reg_new_internal(s, TCG_TYPE_PTR, reg, "_frame");
}
TCGv_i32 tcg_global_reg_new_i32(TCGReg reg, const char *name)
{
TCGContext *s = &tcg_ctx;
int idx;
TCGTemp *t;
if (tcg_regset_test_reg(s->reserved_regs, reg)) {
tcg_abort();
}
idx = tcg_global_reg_new_internal(s, TCG_TYPE_I32, reg, name);
return MAKE_TCGV_I32(idx);
t = tcg_global_reg_new_internal(s, TCG_TYPE_I32, reg, name);
return temp_tcgv_i32(t);
}
TCGv_i64 tcg_global_reg_new_i64(TCGReg reg, const char *name)
{
TCGContext *s = &tcg_ctx;
int idx;
TCGTemp *t;
if (tcg_regset_test_reg(s->reserved_regs, reg)) {
tcg_abort();
}
idx = tcg_global_reg_new_internal(s, TCG_TYPE_I64, reg, name);
return MAKE_TCGV_I64(idx);
t = tcg_global_reg_new_internal(s, TCG_TYPE_I64, reg, name);
return temp_tcgv_i64(t);
}
int tcg_global_mem_new_internal(TCGType type, TCGv_ptr base,
intptr_t offset, const char *name)
TCGTemp *tcg_global_mem_new_internal(TCGType type, TCGv_ptr base,
intptr_t offset, const char *name)
{
TCGContext *s = &tcg_ctx;
TCGTemp *base_ts = &s->temps[GET_TCGV_PTR(base)];
@ -598,10 +597,10 @@ int tcg_global_mem_new_internal(TCGType type, TCGv_ptr base,
ts->mem_offset = offset;
ts->name = name;
}
return temp_idx(ts);
return ts;
}
static int tcg_temp_new_internal(TCGType type, int temp_local)
static TCGTemp *tcg_temp_new_internal(TCGType type, int temp_local)
{
TCGContext *s = &tcg_ctx;
TCGTemp *ts;
@ -638,36 +637,30 @@ static int tcg_temp_new_internal(TCGType type, int temp_local)
ts->temp_allocated = 1;
ts->temp_local = temp_local;
}
idx = temp_idx(ts);
}
#if defined(CONFIG_DEBUG_TCG)
s->temps_in_use++;
#endif
return idx;
return ts;
}
TCGv_i32 tcg_temp_new_internal_i32(int temp_local)
{
int idx;
idx = tcg_temp_new_internal(TCG_TYPE_I32, temp_local);
return MAKE_TCGV_I32(idx);
TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I32, temp_local);
return temp_tcgv_i32(t);
}
TCGv_i64 tcg_temp_new_internal_i64(int temp_local)
{
int idx;
idx = tcg_temp_new_internal(TCG_TYPE_I64, temp_local);
return MAKE_TCGV_I64(idx);
TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I64, temp_local);
return temp_tcgv_i64(t);
}
static void tcg_temp_free_internal(int idx)
static void tcg_temp_free_internal(TCGTemp *ts)
{
TCGContext *s = &tcg_ctx;
TCGTemp *ts;
int k;
int k, idx;
#if defined(CONFIG_DEBUG_TCG)
s->temps_in_use--;
@ -676,23 +669,23 @@ static void tcg_temp_free_internal(int idx)
}
#endif
tcg_debug_assert(idx >= s->nb_globals && idx < s->nb_temps);
ts = &s->temps[idx];
tcg_debug_assert(ts->temp_global == 0);
tcg_debug_assert(ts->temp_allocated != 0);
ts->temp_allocated = 0;
idx = temp_idx(ts);
k = ts->base_type + (ts->temp_local ? TCG_TYPE_COUNT : 0);
set_bit(idx, s->free_temps[k].l);
}
void tcg_temp_free_i32(TCGv_i32 arg)
{
tcg_temp_free_internal(GET_TCGV_I32(arg));
tcg_temp_free_internal(tcgv_i32_temp(arg));
}
void tcg_temp_free_i64(TCGv_i64 arg)
{
tcg_temp_free_internal(GET_TCGV_I64(arg));
tcg_temp_free_internal(tcgv_i64_temp(arg));
}
TCGv_i32 tcg_const_i32(int32_t val)
@ -1001,7 +994,7 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args)
for (i = real_args = 0; i < nargs; ++i) {
int is_64bit = sizemask & (1 << (i+1)*2);
if (is_64bit) {
TCGv_i64 orig = MAKE_TCGV_I64(temp_idx(args[i]));
TCGv_i64 orig = temp_tcgv_i64(args[i]);
TCGv_i32 h = tcg_temp_new_i32();
TCGv_i32 l = tcg_temp_new_i32();
tcg_gen_extr_i64_i32(l, h, orig);
@ -1021,7 +1014,7 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args)
int is_signed = sizemask & (2 << (i+1)*2);
if (!is_64bit) {
TCGv_i64 temp = tcg_temp_new_i64();
TCGv_i64 orig = MAKE_TCGV_I64(temp_idx(args[i]));
TCGv_i64 orig = temp_tcgv_i64(args[i]);
if (is_signed) {
tcg_gen_ext32s_i64(temp, orig);
} else {
@ -1130,10 +1123,8 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args)
for (i = real_args = 0; i < orig_nargs; ++i) {
int is_64bit = orig_sizemask & (1 << (i+1)*2);
if (is_64bit) {
TCGv_i32 h = MAKE_TCGV_I32(temp_idx(args[real_args++]));
TCGv_i32 l = MAKE_TCGV_I32(temp_idx(args[real_args++]));
tcg_temp_free_i32(h);
tcg_temp_free_i32(l);
tcg_temp_free_internal(args[real_args++]);
tcg_temp_free_internal(args[real_args++]);
} else {
real_args++;
}
@ -1142,7 +1133,7 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args)
/* The 32-bit ABI returned two 32-bit pieces. Re-assemble them.
Note that describing these as TCGv_i64 eliminates an unnecessary
zero-extension that tcg_gen_concat_i32_i64 would create. */
tcg_gen_concat32_i64(MAKE_TCGV_I64(temp_idx(ret)), retl, reth);
tcg_gen_concat32_i64(temp_tcgv_i64(ret), retl, reth);
tcg_temp_free_i64(retl);
tcg_temp_free_i64(reth);
}
@ -1150,8 +1141,7 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args)
for (i = 0; i < nargs; ++i) {
int is_64bit = sizemask & (1 << (i+1)*2);
if (!is_64bit) {
TCGv_i64 temp = MAKE_TCGV_I64(temp_idx(args[i]));
tcg_temp_free_i64(temp);
tcg_temp_free_internal(args[i]);
}
}
#endif /* TCG_TARGET_EXTEND_ARGS */

26
tcg/tcg.h
View File

@ -786,6 +786,21 @@ static inline TCGTemp *tcgv_ptr_temp(TCGv_ptr t)
return arg_temp(tcgv_ptr_arg(t));
}
static inline TCGv_i32 temp_tcgv_i32(TCGTemp *t)
{
return (TCGv_i32)temp_idx(t);
}
static inline TCGv_i64 temp_tcgv_i64(TCGTemp *t)
{
return (TCGv_i64)temp_idx(t);
}
static inline TCGv_ptr temp_tcgv_ptr(TCGTemp *t)
{
return (TCGv_ptr)temp_idx(t);
}
static inline void tcg_set_insn_param(int op_idx, int arg, TCGArg v)
{
tcg_ctx.gen_op_buf[op_idx].args[arg] = v;
@ -837,7 +852,8 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb);
void tcg_set_frame(TCGContext *s, TCGReg reg, intptr_t start, intptr_t size);
int tcg_global_mem_new_internal(TCGType, TCGv_ptr, intptr_t, const char *);
TCGTemp *tcg_global_mem_new_internal(TCGType, TCGv_ptr,
intptr_t, const char *);
TCGv_i32 tcg_global_reg_new_i32(TCGReg reg, const char *name);
TCGv_i64 tcg_global_reg_new_i64(TCGReg reg, const char *name);
@ -851,8 +867,8 @@ void tcg_temp_free_i64(TCGv_i64 arg);
static inline TCGv_i32 tcg_global_mem_new_i32(TCGv_ptr reg, intptr_t offset,
const char *name)
{
int idx = tcg_global_mem_new_internal(TCG_TYPE_I32, reg, offset, name);
return MAKE_TCGV_I32(idx);
TCGTemp *t = tcg_global_mem_new_internal(TCG_TYPE_I32, reg, offset, name);
return temp_tcgv_i32(t);
}
static inline TCGv_i32 tcg_temp_new_i32(void)
@ -868,8 +884,8 @@ static inline TCGv_i32 tcg_temp_local_new_i32(void)
static inline TCGv_i64 tcg_global_mem_new_i64(TCGv_ptr reg, intptr_t offset,
const char *name)
{
int idx = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name);
return MAKE_TCGV_I64(idx);
TCGTemp *t = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name);
return temp_tcgv_i64(t);
}
static inline TCGv_i64 tcg_temp_new_i64(void)