Texas Instruments TMS320C54x User Manual page 175

.union/.endunion/.tag
Example 1
1
2
3 0000
4 0000
5 0000
6 0002
7
8 000000
9
10
11 000000 0000–
Example 2
1
2
3 0000
4 0000
5 0000
6 0002
7
4-92
Declare Union Types
.global employid
xample .union
ival .word
fval .float
sval .string
real_len .endunion
.bss employid, real_len
employid .tag xample
ADD employid.fval, A
.union
x .long
y .float
z .word
size_u .endunion
; utag
; member1 = int
; member2 = float
; member3 = string
; real_len = 2
;allocate memory
; name an instance
; access union element
; utag
; member1 = long
; member2 = float
; member3 = word
; real_len = 2