On Sun, Jun 06, 2021 at 09:47:49AM -0400, Alan Stern wrote: > > GCC does not pretend it can understand the asm. But it can see when > > two asm statements are identical. > > How similar do two asm strings have to be before they are considered > identical? For instance, do changes to the amount of leading or > trailing whitespace matter? They have to be identical to be considered identical. > Or what about including an empty assembly statement in one but not the > other? GCC does not parse the assembler template. Segher