Fix https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84790. MIPS16 functions have a static assembler prologue which clobbers registers v0 and v1. Add these register clobbers to function call instructions. --- a/gcc/config/mips/mips.cc +++ b/gcc/config/mips/mips.cc @@ -3134,6 +3134,12 @@ mips_emit_call_insn (rtx pattern, rtx or emit_insn (gen_update_got_version ()); } + if (TARGET_MIPS16 && TARGET_USE_GOT) + { + clobber_reg (&CALL_INSN_FUNCTION_USAGE (insn), MIPS16_PIC_TEMP); + clobber_reg (&CALL_INSN_FUNCTION_USAGE (insn), MIPS_PROLOGUE_TEMP (word_mode)); + } + if (TARGET_MIPS16 && TARGET_EXPLICIT_RELOCS && TARGET_CALL_CLOBBERED_GP)