28.9.3. GNU GAS assembler data sizes

Let’s see how many bytes go into each data type:

The results are shown at: Table 4, “Summary of GNU GAS assembler data sizes”.

Table 4. Summary of GNU GAS assembler data sizes
.byte .word .long .quad .octa

x86

1

2

4

8

16

arm

1

4

4

8

16

aarch64

1

4

and also keep in mind that according to the manual:

  • .int is the same as .long

  • .hword is the same as .short which is usually the same as .word

Bibliography:

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