120
Section 2: Compiler
TI
-
89 / TI
-
92 Plus Sierra C Assembler Reference Manual
Not for Distribution
Beta Version February 2, 2001
warning:
identifier
may be used before it is defined
An automatic variable may be used before its value is set. This warning message
appears only when the
-Xu
flag is set. In most cases, the warning can be
ignored because the path by which the variable is used before it is defined will
never be taken during actual program execution.
warning: expression is evaluated but not used
An expression is evaluated, but the result of the evaluation is not used.
warning: floating point overflow
Floating-point overflow occurred during compile-time constant folding of
floating-point constants.
warning: floating point underflow
Floating-point underflow occurred during compile-time constant folding of
floating-point constants.
warning: function
ident
() called with too few arguments
The function was called with fewer arguments than were specified by an in-scope
prototyped function declaration.
warning: function
ident
() called with too many arguments
The function was called with more arguments than were specified by an in-scope
prototyped function declaration.
warning: function
ident
()
declared without
prototype
information
A function was declared without prototype information (old-style declaration).
Message can be generated only when
-Xf2
or
-Xf3
command line flag is
specified.
warning: function
identifier
() used without declaration
A function was called without a function declaration in scope. This message can
be generated only when the
-Xf1
or
-Xf3
command line flag is specified.
warning: function returning integer cast to pointer
A function declared as returning an integer is cast to a pointer. When the return
value of a function is cast to a pointer type, quite often the function is not
declared previously in the file in which case it is assumed to return an
int
. Not
declaring a function that returns a pointer, and casting it when used, causes
problems because a function that returns a pointer returns its value in register
a0
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