From 346967d1cf5cf5f53a48aa8483365e3d1405ff2d Mon Sep 17 00:00:00 2001
From: Segher Boessenkool <segher@kernel.crashing.org>
Date: Sun, 6 Jun 2010 13:38:46 +0200
Subject: [PATCH] re PR bootstrap/44427 (genautomata uses more than 1.5GB of
RAM on powerpc64-linux)
gcc/ChangeLog
2010-06-06 Segher Boessenkool <segher@kernel.crashing.org>
PR bootstrap/44427
PR bootstrap/44428
genautomata.c (SET_BIT, CLEAR_BIT, TEST_BIT): Make these macros
endianness-independent.
From-SVN: r160338
---
gcc/ChangeLog | 7 +++++++
gcc/genautomata.c | 11 +++++++----
2 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9dddeb18c965..d353dfbb61dc 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2010-06-06 Segher Boessenkool <segher@kernel.crashing.org>
+
+ PR bootstrap/44427
+ PR bootstrap/44428
+ genautomata.c (SET_BIT, CLEAR_BIT, TEST_BIT): Make these macros
+ endianness-independent.
+
2010-06-05 Steven Bosscher <steven@gcc.gnu.org>
* c-common.c: Move to c-family/.
diff --git a/gcc/genautomata.c b/gcc/genautomata.c
index ad7caa611b59..f7493c7071de 100644
--- a/gcc/genautomata.c
+++ b/gcc/genautomata.c
@@ -3314,15 +3314,18 @@ finish_alt_states (void)
/* Set bit number bitno in the bit string. The macro is not side
effect proof. */
#define SET_BIT(bitstring, bitno) \
- (((char *) (bitstring)) [(bitno) / CHAR_BIT] |= 1 << (bitno) % CHAR_BIT)
+ ((bitstring)[(bitno) / (sizeof (*(bitstring)) * CHAR_BIT)] |= \
+ (HOST_WIDE_INT)1 << (bitno) % (sizeof (*(bitstring)) * CHAR_BIT))
#define CLEAR_BIT(bitstring, bitno) \
- (((char *) (bitstring)) [(bitno) / CHAR_BIT] &= ~(1 << (bitno) % CHAR_BIT))
+ ((bitstring)[(bitno) / (sizeof (*(bitstring)) * CHAR_BIT)] &= \
+ ~((HOST_WIDE_INT)1 << (bitno) % (sizeof (*(bitstring)) * CHAR_BIT)))
/* Test if bit number bitno in the bitstring is set. The macro is not
side effect proof. */
-#define TEST_BIT(bitstring, bitno) \
- (((char *) (bitstring)) [(bitno) / CHAR_BIT] >> (bitno) % CHAR_BIT & 1)
+#define TEST_BIT(bitstring, bitno) \
+ ((bitstring)[(bitno) / (sizeof (*(bitstring)) * CHAR_BIT)] >> \
+ (bitno) % (sizeof (*(bitstring)) * CHAR_BIT) & 1)
--
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