Commit r14-9459-g618e34d56cc38e only handles general_scalar_chain::convert_op. The patch also handles timode_scalar_chain::convert_op to avoid potential similar bug.
Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}. Ok for trunk and backport to releases/gcc-13 branch? gcc/ChangeLog: PR target/111822 * config/i386/i386-features.cc (timode_scalar_chain::convert_op): Handle REG_EH_REGION note. --- gcc/config/i386/i386-features.cc | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/gcc/config/i386/i386-features.cc b/gcc/config/i386/i386-features.cc index c7d7a965901..38f57d96df5 100644 --- a/gcc/config/i386/i386-features.cc +++ b/gcc/config/i386/i386-features.cc @@ -1794,12 +1794,26 @@ timode_scalar_chain::convert_op (rtx *op, rtx_insn *insn) *op = gen_rtx_SUBREG (V1TImode, *op, 0); else if (MEM_P (*op)) { + rtx_insn* eh_insn; rtx tmp = gen_reg_rtx (V1TImode); - emit_insn_before (gen_rtx_SET (tmp, - gen_gpr_to_xmm_move_src (V1TImode, *op)), - insn); + eh_insn + = emit_insn_before (gen_rtx_SET (tmp, + gen_gpr_to_xmm_move_src (V1TImode, + *op)), + insn); *op = tmp; + if (cfun->can_throw_non_call_exceptions) + { + /* Handle REG_EH_REGION note. */ + rtx note = find_reg_note (insn, REG_EH_REGION, NULL_RTX); + if (note) + { + control_flow_insns.safe_push (eh_insn); + add_reg_note (eh_insn, REG_EH_REGION, XEXP (note, 0)); + } + } + if (dump_file) fprintf (dump_file, " Preloading operand for insn %d into r%d\n", INSN_UID (insn), REGNO (tmp)); -- 2.31.1