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tcg: Change temp_sync argument to TCGTemp

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Backports commit 12b9b11a2743002232098afb41810f1c0cb211a0 from qemu
This commit is contained in:
Richard Henderson 2018-02-19 11:36:09 -05:00 committed by Lioncash
parent 82a4e93629
commit 2c3ad57215
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 28 additions and 27 deletions
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55
qemu/tcg/tcg.c
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@ -1791,29 +1791,28 @@ static inline void temp_dead(TCGContext *s, TCGTemp *ts)
/* sync a temporary to memory. 'allocated_regs' is used in case a
temporary registers needs to be allocated to store a constant. */
static inline void temp_sync(TCGContext *s, int temp, TCGRegSet allocated_regs)
static void temp_sync(TCGContext *s, TCGTemp *ts, TCGRegSet allocated_regs)
{
TCGTemp *ts = &s->temps[temp];
if (!ts->fixed_reg) {
switch(ts->val_type) {
case TEMP_VAL_CONST:
ts->reg = tcg_reg_alloc(s, (TCGRegSet)s->tcg_target_available_regs[ts->type],
allocated_regs);
ts->val_type = TEMP_VAL_REG;
s->reg_to_temp[ts->reg] = ts;
ts->mem_coherent = 0;
tcg_out_movi(s, ts->type, ts->reg, ts->val);
/* fallthrough*/
case TEMP_VAL_REG:
tcg_reg_sync(s, ts->reg);
break;
case TEMP_VAL_DEAD:
case TEMP_VAL_MEM:
break;
default:
tcg_abort();
}
if (ts->fixed_reg) {
return;
}
switch (ts->val_type) {
case TEMP_VAL_CONST:
ts->reg = tcg_reg_alloc(s, s->tcg_target_available_regs[ts->type],
allocated_regs);
ts->val_type = TEMP_VAL_REG;
s->reg_to_temp[ts->reg] = ts;
ts->mem_coherent = 0;
tcg_out_movi(s, ts->type, ts->reg, ts->val);
/* fallthrough*/
case TEMP_VAL_REG:
tcg_reg_sync(s, ts->reg);
break;
case TEMP_VAL_DEAD:
case TEMP_VAL_MEM:
break;
default:
tcg_abort();
}
}
@ -1828,7 +1827,7 @@ static inline void temp_save(TCGContext *s, int temp, TCGRegSet allocated_regs)
in memory. Keep an assert for safety. */
tcg_debug_assert(ts->val_type == TEMP_VAL_MEM || ts->fixed_reg);
#else
temp_sync(s, temp, allocated_regs);
temp_sync(s, ts, allocated_regs);
temp_dead(s, ts);
#endif
}
@ -1853,11 +1852,13 @@ static void sync_globals(TCGContext *s, TCGRegSet allocated_regs)
int i;
for (i = 0; i < s->nb_globals; i++) {
TCGTemp *ts = &s->temps[i];
#ifdef USE_LIVENESS_ANALYSIS
assert(s->temps[i].val_type != TEMP_VAL_REG || s->temps[i].fixed_reg ||
s->temps[i].mem_coherent);
tcg_debug_assert(ts->val_type != TEMP_VAL_REG
|| ts->fixed_reg
|| ts->mem_coherent);
#else
temp_sync(s, i, allocated_regs);
temp_sync(s, ts, allocated_regs);
#endif
}
}
@ -1912,7 +1913,7 @@ static void tcg_reg_alloc_movi(TCGContext *s, const TCGArg *args,
ots->val = val;
}
if (NEED_SYNC_ARG(0)) {
temp_sync(s, args[0], s->reserved_regs);
temp_sync(s, ots, s->reserved_regs);
}
if (IS_DEAD_ARG(0)) {
temp_dead(s, ots);