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remove some usage of expr_list from read_rtx 

gcc/ChangeLog:

2015-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* gensupport.c (rtx_handle_directive): Adjust.
	* read-rtl.c (apply_iterators): Take vector to add rtxs to
	instead of expr list rtx.
	(add_define_attr_for_define_subst): Likewise.
	(add_define_subst_attr): Likewise.
	(read_subst_mapping): Likewise.
	(read_rtx): Likewise.
	* rtl.h (read_rtx): Adjust.

From-SVN: r225833
This commit is contained in:
Trevor Saunders 2015-07-15 14:38:13 +00:00 committed by Trevor Saunders
parent 0467e3ebef
commit 6b8068d653
4 changed files with 36 additions and 36 deletions
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11
gcc/ChangeLog
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@ -1,3 +1,14 @@
2015-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* gensupport.c (rtx_handle_directive): Adjust.
* read-rtl.c (apply_iterators): Take vector to add rtxs to
instead of expr list rtx.
(add_define_attr_for_define_subst): Likewise.
(add_define_subst_attr): Likewise.
(read_subst_mapping): Likewise.
(read_rtx): Likewise.
* rtl.h (read_rtx): Adjust.
2015-07-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64.md (*csinc2<mode>_insn): Use cinc mnemonic.

12
gcc/gensupport.c
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@ -26,6 +26,7 @@
#include "errors.h"
#include "read-md.h"
#include "gensupport.h"
#include "vec.h"
#define MAX_OPERANDS 40
@ -2248,11 +2249,14 @@ process_define_subst (void)
static void
rtx_handle_directive (int lineno, const char *rtx_name)
{
rtx queue, x;
auto_vec<rtx, 32> subrtxs;
if (!read_rtx (rtx_name, &subrtxs))
return;
if (read_rtx (rtx_name, &queue))
for (x = queue; x; x = XEXP (x, 1))
process_rtx (XEXP (x, 0), lineno);
rtx x;
unsigned int i;
FOR_EACH_VEC_ELT (subrtxs, i, x)
process_rtx (x, lineno);
}
/* Comparison function for the mnemonic hash table. */

47
gcc/read-rtl.c
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@ -506,7 +506,7 @@ add_current_iterators (void **slot, void *data ATTRIBUTE_UNUSED)
Build a list of expanded rtxes in the EXPR_LIST pointed to by QUEUE. */
static void
apply_iterators (rtx original, rtx *queue)
apply_iterators (rtx original, vec<rtx> *queue)
{
unsigned int i;
const char *condition;
@ -519,8 +519,7 @@ apply_iterators (rtx original, rtx *queue)
{
/* Raise an error if any attributes were used. */
apply_attribute_uses ();
XEXP (*queue, 0) = original;
XEXP (*queue, 1) = NULL_RTX;
queue->safe_push (original);
return;
}
@ -572,8 +571,7 @@ apply_iterators (rtx original, rtx *queue)
}
}
/* Add the new rtx to the end of the queue. */
XEXP (*queue, 0) = x;
XEXP (*queue, 1) = NULL_RTX;
queue->safe_push (x);
/* Lexicographically increment the iterator value sequence.
That is, cycle through iterator values, starting from the right,
@ -590,10 +588,6 @@ apply_iterators (rtx original, rtx *queue)
break;
iterator->current_value = iterator->values;
}
/* At least one more rtx to go. Allocate room for it. */
XEXP (*queue, 1) = rtx_alloc (EXPR_LIST);
queue = &XEXP (*queue, 1);
}
}
@ -945,7 +939,7 @@ read_mapping (struct iterator_group *group, htab_t table)
define_subst ATTR_NAME should be applied. This attribute is set and
defined implicitly and automatically. */
static void
add_define_attr_for_define_subst (const char *attr_name, rtx *queue)
add_define_attr_for_define_subst (const char *attr_name, vec<rtx> *queue)
{
rtx const_str, return_rtx;
@ -960,14 +954,13 @@ add_define_attr_for_define_subst (const char *attr_name, rtx *queue)
XSTR (return_rtx, 1) = xstrdup ("no,yes");
XEXP (return_rtx, 2) = const_str;
XEXP (*queue, 0) = return_rtx;
XEXP (*queue, 1) = NULL_RTX;
queue->safe_push (return_rtx);
}
/* This routine generates DEFINE_SUBST_ATTR expression with operands
ATTR_OPERANDS and places it to QUEUE. */
static void
add_define_subst_attr (const char **attr_operands, rtx *queue)
add_define_subst_attr (const char **attr_operands, vec<rtx> *queue)
{
rtx return_rtx;
int i;
@ -978,8 +971,7 @@ add_define_subst_attr (const char **attr_operands, rtx *queue)
for (i = 0; i < 4; i++)
XSTR (return_rtx, i) = xstrdup (attr_operands[i]);
XEXP (*queue, 0) = return_rtx;
XEXP (*queue, 1) = NULL_RTX;
queue->safe_push (return_rtx);
}
/* Read define_subst_attribute construction. It has next form:
@ -992,18 +984,17 @@ add_define_subst_attr (const char **attr_operands, rtx *queue)
static void
read_subst_mapping (htab_t subst_iters_table, htab_t subst_attrs_table,
rtx *queue)
vec<rtx> *queue)
{
struct mapping *m;
struct map_value **end_ptr;
const char *attr_operands[4];
rtx * queue_elem = queue;
int i;
for (i = 0; i < 4; i++)
attr_operands[i] = read_string (false);
add_define_subst_attr (attr_operands, queue_elem);
add_define_subst_attr (attr_operands, queue);
bind_subst_iter_and_attr (attr_operands[1], attr_operands[0]);
@ -1015,11 +1006,7 @@ read_subst_mapping (htab_t subst_iters_table, htab_t subst_attrs_table,
end_ptr = add_map_value (end_ptr, 1, "");
end_ptr = add_map_value (end_ptr, 2, "");
/* Add element to the queue. */
XEXP (*queue, 1) = rtx_alloc (EXPR_LIST);
queue_elem = &XEXP (*queue, 1);
add_define_attr_for_define_subst (attr_operands[1], queue_elem);
add_define_attr_for_define_subst (attr_operands[1], queue);
}
m = add_mapping (&substs, subst_attrs_table, attr_operands[0]);
@ -1050,15 +1037,15 @@ check_code_iterator (struct mapping *iterator)
store the list of rtxes as an EXPR_LIST in *X. */
bool
read_rtx (const char *rtx_name, rtx *x)
read_rtx (const char *rtx_name, vec<rtx> *rtxen)
{
static rtx queue_head;
static bool initialized = false;
/* Do one-time initialization. */
if (queue_head == 0)
if (!initialized)
{
initialize_iterators ();
queue_head = rtx_alloc (EXPR_LIST);
initialized = true;
}
/* Handle various rtx-related declarations that aren't themselves
@ -1100,19 +1087,17 @@ read_rtx (const char *rtx_name, rtx *x)
}
if (strcmp (rtx_name, "define_subst_attr") == 0)
{
read_subst_mapping (substs.iterators, substs.attrs, &queue_head);
*x = queue_head;
read_subst_mapping (substs.iterators, substs.attrs, rtxen);
/* READ_SUBST_MAPPING could generate a new DEFINE_ATTR. Return
TRUE to process it. */
return true;
}
apply_iterators (read_rtx_code (rtx_name), &queue_head);
apply_iterators (read_rtx_code (rtx_name), rtxen);
iterator_uses.truncate (0);
attribute_uses.truncate (0);
*x = queue_head;
return true;
}

2
gcc/rtl.h
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@ -3613,7 +3613,7 @@ extern void init_varasm_once (void);
extern rtx make_debug_expr_from_rtl (const_rtx);
/* In read-rtl.c */
extern bool read_rtx (const char *, rtx *);
extern bool read_rtx (const char *, vec<rtx> *);
/* In alias.c */
extern rtx canon_rtx (rtx);