Update TODO list for riscv.
anyway. So we can ignore sign extension for integer vararg
arguments. */
-/* ??? TODO: o compressed riscv
- o register allocation order for more compressed code
+/* ??? TODO: o compressed c.j, c.beqz, c.bnez (is it worth because such jumps are
+ usually forward and it requires complicated algorithm for relaxing)
+ o rd = rs - const -> rd = rs + (-const) for using addi
o implement generation for FLEN=128
o save/set/restore sp/fp only we use it
- o optimization: remove ext32 for branches if operands are generated by short insns
- o JAL generation
+ o optimization: remove ext32 for branches generated in machinize if operands
+ are generated by short insns
*/
static void fancy_abort (int code) {
