mips: done (codegen.c:1.26, codegen.h:1.12)
powerpc: TODO
x86_64: done (codegen.c:1.19, codegen.h:1.8)
+
+- machine-instr.h: Atomic operations for new locking implementation (stefan)
+ alpha: done (1.2)
+ i386: done (1.3)
+ mips: TODO
+ powerpc: TODO
+ x86_64: done (1.2)
+
+- codgen.c: what is this (twisti)
+ alpha: done 1.34
+ others ???