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RENESAS TOOL NEWS on November 16, 2005: RSO-M3T-NC308WA_1-051116D
A Note on Using the C Compiler Packages
M3T-NC308WA and M3T-NC30WA |
Please take note of the following problem in using the C compiler packages M3T-NC308WA and M3T-NC30WA, which are used for the M16C family of MCUs:
- On incorrect description of do statements
- Products and Versions Concerned
M3T-NC308WA V.5.00 Release 1 through V.5.20 Release 02
(for the M32C/90, M32C/80, and M16C/80 series)
M3T-NC30WA V.5.00 Release 1 through V.5.30 Release 02
(for the M16C/60, M16C/30, M16C/20, M16C/10, M16C/Tiny, and R8C/Tiny series)
- Description
Incorrect description of do statements results in system errors or application errors.
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Examples
Example 1: Missing while statement
------------------------------------------------------------------------
int func(void)
{
int j;
int i = 0;
for( j=0; j<10; j++ ){
do{
i++;
} ; /* No while statement */
}
return i;
}
------------------------------------------------------------------------
Example 2: Missing controlling expression
------------------------------------------------------------------------
int func(void)
{
int j;
int i = 0;
for( j=0; j<10; j++ ){
do{
i++;
} while(); /* No controlling expression */
}
return i;
}
------------------------------------------------------------------------
Example 3: Missing semicolon
------------------------------------------------------------------------
int func(void)
{
int j;
int i = 0;
for( j=0; j<10; j++ ){
do{
i++;
} while( i < 10 ) /* No semicolon */
}
return i;
}
------------------------------------------------------------------------ |
- Workaround
Describe correct do statements.
- Schedule of Fixing the Problem
We plan to fix this problem in the next release of the products.
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