https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107731
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Xi Ruoyao from comment #2)
> Interestingly it "worked" with GCC 12.2...
I don't see how it could work though.
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4499) default:
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4500) switch (code)
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4501) {
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4502) case REG:
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4503) {
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4504) unsigned
int regno = REGNO (op);
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4505) if (letter
&& letter != 'z')
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4506)
output_operand_lossage ("invalid use of '%%%c'", letter);
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4507) fprintf
(file, "%s", reg_names[regno]);
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4508) }
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4509) break;
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4510)
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4511) case MEM:
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4512) if (letter ==
'D')
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4513)
output_address (GET_MODE (op),
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4514)
plus_constant (Pmode, XEXP (op, 0), 4));
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4515) else if
(letter == 'b')
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4516) {
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4517)
gcc_assert (REG_P (XEXP (op, 0)));
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4518)
loongarch_print_operand (file, XEXP (op, 0), 0);
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4519) }
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4520) else if
(letter && letter != 'z')
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4521)
output_operand_lossage ("invalid use of '%%%c'", letter);
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4522) else
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4523)
output_address (GET_MODE (op), XEXP (op, 0));
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4524) break;
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4525)
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4526) default:
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4527) if (letter ==
'z' && op == CONST0_RTX (GET_MODE (op)))
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4528) fputs
(reg_names[GP_REG_FIRST], file);
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4529) else if
(letter && letter != 'z')
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4530)
output_operand_lossage ("invalid use of '%%%c'", letter);
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4531) else
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4532)
output_addr_const (file, loongarch_strip_unspec_address (op));
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4533) break;
62ec3b5352b3 (chenglulu 2021-11-27 14:58:21 +0800 4534) }
