https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108567
--- Comment #2 from YunQiang Su <syq at debian dot org> --- It's due to `-mfix-loongson3-llsc` of binutils again. I fixed a problem several years ago. commit dec7b24be89fe0496f9442232bcbfcb16e030742 Author: YunQiang Su <s...@debian.org> Date: Fri Feb 28 15:58:13 2020 +0800 MIPS/fix_loongson3_llsc: fix when target has multi labels When there is multi-labels on the same insn, the current code will take care about the last one. it may cause that no sync is added at the target. Here we scan all labels with same value of S_GET_VALUE(label_list->label) by label_list->next. 2020-02-28 YunQiang Su <s...@debian.org> PR gas/25539 * config/tc-mips.c (fix_loongson3_llsc): Compare label value to handle multi-labels. (has_label_name): New. Let's have a try to fix it again....