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[avr-gcc-list] Comma Operator in #define

From: Keith Gudger
Subject: [avr-gcc-list] Comma Operator in #define
Date: Tue, 22 Jul 2003 14:15:36 -0700 (PDT)

Maybe I'm missing something, but I *did* check the ANSI C manual, and this
should be OK, I think.

I want to use a comma operator in a macro (#define) statement:

#define set_clock(x) asm volatile("nop\n\t"::), (PORTB |= BIT3)

avr-gcc gives the following error when I use this macro:


error: parse error before ',' token

If I just make it a ';', then everything works OK.

Any ideas?  What am I doing wrong?  Or is this a bug?


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