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"Unambiguous" is is in particular taking as reference the assembler, which also accepts certain insns - despite them allowing for varying operand size, and hence in principle being ambiguous - without any suffix. For example, from the very beginning of the life of x86-64 I had trouble understanding why a plain and simple RET had to be printed as RETQ. In case someone really used the 16-bit form, RETW disambiguates the two quite fine.
12 lines
264 B
Makefile
12 lines
264 B
Makefile
#source: pr23930a.s
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#source: pr23930b.s
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#as: --x32
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#ld: -m elf32_x86_64 -z separate-code -z norelro -T pr23930-32.t
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#objdump: --disassemble=main
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#...
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[a-f0-9]+ <main>:
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[a-f0-9]+: 31 c0 xor %eax,%eax
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[a-f0-9]+: c3 ret *
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#pass
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