Found by Barry K. Nathan.
Quoting from http://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html:
"You can put multiple assembler instructions together in a single asm
template, separated by the characters normally used in assembly code for the
system. A combination that works in most places is a newline to break the
line, plus a tab character to move to the instruction field (written as
‘\n\t’). Sometimes semicolons can be used, if the assembler allows semicolons
as a line-breaking character. Note that some assembler dialects use semicolons
to start a comment."
4564af9e3d