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11.5.3 V.2.03 and Later Versions (Compatibility with Versions between 1.00 and 2.02)

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Const-type Static Variables without Initial Values

In versions before 2.02, const-type static variables with initial values were output first, but from this revision, const-type static variables are aligned in the data area in order of their definition regardless of the existence of initial values.

Example

const int a=1;
const int b;
const int c=2;

 

[Result of compilation for versions before 2.02.00]

    .SECTION C,ROMDATA,ALIGN=4
_a:
    .lword 00000001H
_c:
    .lword 00000002H ; The variables with initial values are output first.
_b:
    .lword 00000000H

 

[Result of compilation for versions after 2.03.00]

    .SECTION C,ROMDATA,ALIGN=4
_a:
    .lword 00000001H
_b:
    .lword 00000000H ;  The variables are output in order of their definition 
                     ;  regardless of the existence of initial values.
_c:
    .lword 00000002H