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make side_effects a vec<rtx>

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gcc/ChangeLog:

2016-07-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* var-tracking.c (struct adjust_mem_data): Make side_effects a vector.
	(adjust_mems): Adjust.
	(adjust_insn): Likewise.
	(prepare_call_arguments): Likewise.

From-SVN: r238066
This commit is contained in:
Trevor Saunders 2016-07-06 23:53:20 +00:00 • committed by Trevor Saunders
parent 0777c850bf
commit e97f62233f
2 changed files with 21 additions and 19 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* var-tracking.c (struct adjust_mem_data): Make side_effects a vector.
(adjust_mems): Adjust.
(adjust_insn): Likewise.
(prepare_call_arguments): Likewise.
2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* gcse.c (struct ls_expr): Make stores field a vector.

33
gcc/var-tracking.c
View file

@ -926,7 +926,7 @@ struct adjust_mem_data
bool store;
machine_mode mem_mode;
HOST_WIDE_INT stack_adjust;
rtx_expr_list *side_effects;
auto_vec<rtx> side_effects;
};
/* Helper for adjust_mems. Return true if X is suitable for
@ -1072,9 +1072,7 @@ adjust_mems (rtx loc, const_rtx old_rtx, void *data)
amd->store = false;
tem = simplify_replace_fn_rtx (tem, old_rtx, adjust_mems, data);
amd->store = store_save;
amd->side_effects = alloc_EXPR_LIST (0,
gen_rtx_SET (XEXP (loc, 0), tem),
amd->side_effects);
amd->side_effects.safe_push (gen_rtx_SET (XEXP (loc, 0), tem));
return addr;
case PRE_MODIFY:
addr = XEXP (loc, 1);
@ -1088,9 +1086,7 @@ adjust_mems (rtx loc, const_rtx old_rtx, void *data)
tem = simplify_replace_fn_rtx (XEXP (loc, 1), old_rtx,
adjust_mems, data);
amd->store = store_save;
amd->side_effects = alloc_EXPR_LIST (0,
gen_rtx_SET (XEXP (loc, 0), tem),
amd->side_effects);
amd->side_effects.safe_push (gen_rtx_SET (XEXP (loc, 0), tem));
return addr;
case SUBREG:
/* First try without delegitimization of whole MEMs and
@ -1184,7 +1180,6 @@ adjust_mem_stores (rtx loc, const_rtx expr, void *data)
static void
adjust_insn (basic_block bb, rtx_insn *insn)
{
struct adjust_mem_data amd;
rtx set;
#ifdef HAVE_window_save
@ -1213,9 +1208,9 @@ adjust_insn (basic_block bb, rtx_insn *insn)
}
#endif
adjust_mem_data amd;
amd.mem_mode = VOIDmode;
amd.stack_adjust = -VTI (bb)->out.stack_adjust;
amd.side_effects = NULL;
amd.store = true;
note_stores (PATTERN (insn), adjust_mem_stores, &amd);
@ -1281,10 +1276,10 @@ adjust_insn (basic_block bb, rtx_insn *insn)
validate_change (NULL_RTX, &SET_SRC (set), XEXP (note, 0), true);
}
if (amd.side_effects)
if (!amd.side_effects.is_empty ())
{
rtx *pat, new_pat, s;
int i, oldn, newn;
rtx *pat, new_pat;
int i, oldn;
pat = &PATTERN (insn);
if (GET_CODE (*pat) == COND_EXEC)
@ -1293,17 +1288,18 @@ adjust_insn (basic_block bb, rtx_insn *insn)
oldn = XVECLEN (*pat, 0);
else
oldn = 1;
for (s = amd.side_effects, newn = 0; s; newn++)
s = XEXP (s, 1);
unsigned int newn = amd.side_effects.length ();
new_pat = gen_rtx_PARALLEL (VOIDmode, rtvec_alloc (oldn + newn));
if (GET_CODE (*pat) == PARALLEL)
for (i = 0; i < oldn; i++)
XVECEXP (new_pat, 0, i) = XVECEXP (*pat, 0, i);
else
XVECEXP (new_pat, 0, 0) = *pat;
for (s = amd.side_effects, i = oldn; i < oldn + newn; i++, s = XEXP (s, 1))
XVECEXP (new_pat, 0, i) = XEXP (s, 0);
free_EXPR_LIST_list (&amd.side_effects);
rtx effect;
unsigned int j;
FOR_EACH_VEC_ELT_REVERSE (amd.side_effects, j, effect)
XVECEXP (new_pat, 0, j + oldn) = effect;
validate_change (NULL_RTX, pat, new_pat, true);
}
}
@ -6335,11 +6331,10 @@ prepare_call_arguments (basic_block bb, rtx_insn *insn)
struct adjust_mem_data amd;
amd.mem_mode = VOIDmode;
amd.stack_adjust = -VTI (bb)->out.stack_adjust;
amd.side_effects = NULL;
amd.store = true;
mem = simplify_replace_fn_rtx (mem, NULL_RTX, adjust_mems,
&amd);
gcc_assert (amd.side_effects == NULL_RTX);
gcc_assert (amd.side_effects.is_empty ());
}
val = cselib_lookup (mem, GET_MODE (mem), 0, VOIDmode);
if (val && cselib_preserved_value_p (val))