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* [gcc r11-4727] IBM Z: Unhardcode NR_C_MODES
@ 2020-11-04 21:34 Ilya Leoshkevich
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From: Ilya Leoshkevich @ 2020-11-04 21:34 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:6682ef4363b32977aeca590fced2221329c92c02
commit r11-4727-g6682ef4363b32977aeca590fced2221329c92c02
Author: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Wed Oct 21 13:48:07 2020 +0200
IBM Z: Unhardcode NR_C_MODES
gcc/ChangeLog:
2020-11-03 Ilya Leoshkevich <iii@linux.ibm.com>
* config/s390/s390.c (NR_C_MODES): Unhardcode.
(s390_alloc_pool): Use size_t for iterating from 0 to
NR_C_MODES.
(s390_add_constant): Likewise.
(s390_find_constant): Likewise.
(s390_dump_pool): Likewise.
(s390_free_pool): Likewise.
Diff:
---
gcc/config/s390/s390.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index 3c3feb2769b..b8961a315aa 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -8621,8 +8621,7 @@ replace_constant_pool_ref (rtx_insn *insn, rtx ref, rtx offset)
/* We keep a list of constants which we have to add to internal
constant tables in the middle of large functions. */
-#define NR_C_MODES 32
-machine_mode constant_modes[NR_C_MODES] =
+static machine_mode constant_modes[] =
{
TFmode, TImode, TDmode,
V16QImode, V8HImode, V4SImode, V2DImode, V1TImode,
@@ -8636,6 +8635,7 @@ machine_mode constant_modes[NR_C_MODES] =
QImode,
V1QImode
};
+#define NR_C_MODES (sizeof (constant_modes) / sizeof (constant_modes[0]))
struct constant
{
@@ -8664,7 +8664,7 @@ static struct constant_pool *
s390_alloc_pool (void)
{
struct constant_pool *pool;
- int i;
+ size_t i;
pool = (struct constant_pool *) xmalloc (sizeof *pool);
pool->next = NULL;
@@ -8743,7 +8743,7 @@ static void
s390_add_constant (struct constant_pool *pool, rtx val, machine_mode mode)
{
struct constant *c;
- int i;
+ size_t i;
for (i = 0; i < NR_C_MODES; i++)
if (constant_modes[i] == mode)
@@ -8788,7 +8788,7 @@ s390_find_constant (struct constant_pool *pool, rtx val,
machine_mode mode)
{
struct constant *c;
- int i;
+ size_t i;
for (i = 0; i < NR_C_MODES; i++)
if (constant_modes[i] == mode)
@@ -8895,7 +8895,7 @@ s390_dump_pool (struct constant_pool *pool, bool remote_label)
{
struct constant *c;
rtx_insn *insn = pool->pool_insn;
- int i;
+ size_t i;
/* Switch to rodata section. */
insn = emit_insn_after (gen_pool_section_start (), insn);
@@ -8966,7 +8966,7 @@ static void
s390_free_pool (struct constant_pool *pool)
{
struct constant *c, *next;
- int i;
+ size_t i;
for (i = 0; i < NR_C_MODES; i++)
for (c = pool->constants[i]; c; c = next)
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