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Remove more shifts for sign/zero extension
[deliverable/binutils-gdb.git]
/
opcodes
/
pdp11-dis.c
diff --git
a/opcodes/pdp11-dis.c
b/opcodes/pdp11-dis.c
index e9708e639eeac8abdc6475ca6fd6ebad014c12ee..a19fbc0f3d9d6ccd8b67a6ffc55cd48dd72e55c5 100644
(file)
--- a/
opcodes/pdp11-dis.c
+++ b/
opcodes/pdp11-dis.c
@@
-31,8
+31,7
@@
#define F info->stream
/* Sign-extend a 16-bit number in an int. */
#define F info->stream
/* Sign-extend a 16-bit number in an int. */
-#define SIGN_BITS (8 * sizeof (int) - 16)
-#define sign_extend(x) (((x) << SIGN_BITS) >> SIGN_BITS)
+#define sign_extend(x) ((((x) & 0xffff) ^ 0x8000) - 0x8000)
static int
read_word (bfd_vma memaddr, int *word, disassemble_info *info)
static int
read_word (bfd_vma memaddr, int *word, disassemble_info *info)
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