> In the "GCC Internals manual" it is said that the INSN_CODE(i) is printed in > the debugging output as a small integer followed by a symbolic > representation that locates the pattern in the md file as a small positive > or negative offset from the named pattern. Now, I'm a bit confused. The > following example (a part of an annotated assembler file) says that the > pattern is muldf3, but what stands the offset 77 for? > > ;#(insn 16 543 689 ../../gcc-4.1.0/gcc/libgcc2.c:1624 (set (reg:DF 25 L9 ) > ;# (mult:DF (reg:DF 25 L9 ) > ;# (reg/v:DF 20 L4 [orig:67 c ] [67]))) 77 {muldf3} > (insn_list:REG_DEP_TRUE 543 (nil)) > ;# (nil))
That's the integer value for the INSN_CODE. If it were, say, 78 and that pattern had no name, it would be displayed as "78 {muldf3+1}".