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Date:      Mon, 01 Aug 2016 01:23:10 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-ports-bugs@FreeBSD.org
Subject:   [Bug 211305] devel/gdb: (CORE_ADDR) 0 missing * in cast in tui/tui-stack.c
Message-ID:  <bug-211305-13-nxWaDgKDP1@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-211305-13@https.bugs.freebsd.org/bugzilla/>
References:  <bug-211305-13@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D211305

--- Comment #9 from Mark Millard <markmi@dsl-only.net> ---
(In reply to Mark Millard from comment #5)

For:

msp430-tdep.c:401:24: warning: comparison of constant 16 with expression of
type 'MSP430_Size' is always false
[-Wtautological-constant-out-of-range-compare]
          int size =3D opc.size =3D=3D 16 ? 2 : 4;
                     ~~~~~~~~ ^  ~~

Things are odd:

/include/opcode/msp430-decode.h has:

typedef enum
{
  MSP430_Byte =3D 0,
  MSP430_Word,
  MSP430_Addr
} MSP430_Size;
. . .
typedef struct
{
. . .
  MSP430_Size           size;           /* Operand size in BITS.  */
. . .
} MSP430_Opcode_Decoded;

While gdb/msp430-tdep.c has:

      MSP430_Opcode_Decoded opc;

So if the code generation matches the warning:

          int size =3D opc.size =3D=3D 16 ? 2 : 4;

would turn into

          int size =3D 4;

Adding a MSP430_Size name for the value 16 likely would avoid the warning or
any odd optimization even if the symbolic name is not otherwise used.

(I've just assumed that the 16 is appropriate.)

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