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gjavah.c (D_NAN_MASK): Alternate definition required when HOST_FLOAT_WORDS_BIG_ENDIAN is defined to be 1.

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2000-01-31  Scott Bambrough  <scottb@netwinder.org>

	* gcc/java/gjavah.c (D_NAN_MASK): Alternate definition required when
	HOST_FLOAT_WORDS_BIG_ENDIAN is defined to be 1.
	(java_float_finite): Convert to use union Word from javaop.h.
	(java_double_finite): Convert to use union DWord from javaop.h.

From-SVN: r31768
This commit is contained in:
Scott Bambrough 2000-02-03 06:46:30 +00:00 committed by Tom Tromey
parent de3807234a
commit 9b4a08f945
2 changed files with 15 additions and 9 deletions
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7
gcc/java/ChangeLog
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@ -1,3 +1,10 @@
2000-01-31 Scott Bambrough <scottb@netwinder.org>
* gcc/java/gjavah.c (D_NAN_MASK): Alternate definition required when
HOST_FLOAT_WORDS_BIG_ENDIAN is defined to be 1.
(java_float_finite): Convert to use union Word from javaop.h.
(java_double_finite): Convert to use union DWord from javaop.h.
2000-02-02 Tom Tromey <tromey@cygnus.com>
* gjavah.c (options): Added `jni' entry.

17
gcc/java/gjavah.c
View File

@ -30,6 +30,7 @@ The Free Software Foundation is independent of Sun Microsystems, Inc. */
#include "jcf.h"
#include "tree.h"
#include "javaop.h"
#include "java-tree.h"
#include "java-opcodes.h"
@ -204,17 +205,18 @@ static int decompiled = 0;
/* Some useful constants. */
#define F_NAN_MASK 0x7f800000
#if (1 == HOST_FLOAT_WORDS_BIG_ENDIAN)
#define D_NAN_MASK 0x000000007ff00000LL
#else
#define D_NAN_MASK 0x7ff0000000000000LL
#endif
/* Return 1 if F is not Inf or NaN. */
static int
java_float_finite (f)
jfloat f;
{
union {
jfloat f;
int32 i;
} u;
union Word u;
u.f = f;
/* We happen to know that F_NAN_MASK will match all NaN values, and
@ -228,14 +230,11 @@ static int
java_double_finite (d)
jdouble d;
{
union {
jdouble d;
int64 i;
} u;
union DWord u;
u.d = d;
/* Now check for all NaNs. */
return (u.i & D_NAN_MASK) != D_NAN_MASK;
return (u.l & D_NAN_MASK) != D_NAN_MASK;
}
static void