Carlos Lamas wrote:
David:
I've only received a private copy of your message. Would you mind to
repost again at Savannah or avr-libc-dev list to continue the discussion
in a public forum for the sake of the general interest?
Best regards,
Carlos.
No problem - I guess I pressed the wrong "Reply To" button earlier and
sent the message only to you.
mvh.,
David
David Brown wrote:
Carlos Lamas wrote:
<snip>
Problem 2. The proposed solution is to check the constant parameter
passed
against an inline assembler constraint in an empty dummy asm()
instruction.
This also requires to transform the inline function in a macro.
Passing a
variable as the argument to the macro generates an error a bit
obfuscated.
<snip>
Hi Carlos,
I don't know if you've considered it, but the
__builtin_constant_p(exp) function might be a better way to check for
constant parameters:
http://gcc.gnu.org/onlinedocs/gcc-4.2.2/gcc/Other-Builtins.html
Best regards,
David
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