Mathieu Desnoyers wrote:
- Use "=g" constraint for char immediate value inline assembly.
"=g" is the same as "=rmi" which is inherently bogus. In your actual code
you use "=r", the correct constraint is "=q".
q
Any register accessible as rl. In 32-bit mode, a, b, c, and d; in 64-bit mode, any integer register.
I am worried that "=q" might exclude the si and di registers in 32-bit mode.
What exactly is wrong with "=r" ?
For "char" (8-bit) values, sp/bp/si/di are illegal in 32-bit mode.
Hence "=q".
-hpa
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