contrib/gcc/reload1.c

1173 	rtx *pnote;
1216 	pnote = &REG_NOTES (insn);
1217 	while (*pnote != 0)
1219 	    if (REG_NOTE_KIND (*pnote) == REG_DEAD
1220 		|| REG_NOTE_KIND (*pnote) == REG_UNUSED
1221 		|| REG_NOTE_KIND (*pnote) == REG_INC
1222 		|| REG_NOTE_KIND (*pnote) == REG_RETVAL
1223 		|| REG_NOTE_KIND (*pnote) == REG_LIBCALL)
1224 	      *pnote = XEXP (*pnote, 1);
1226 	      pnote = &XEXP (*pnote, 1);