From 38438021c770f077b78092299f22712fdd734814 Mon Sep 17 00:00:00 2001 From: Xi Ruoyao Date: Tue, 19 Dec 2023 05:02:42 +0800 Subject: [PATCH 077/188] LoongArch: Clean up vec_init expander Non functional change, clean up the code. gcc/ChangeLog: * config/loongarch/loongarch.cc (loongarch_expand_vector_init_same): Remove "temp2" and reuse "temp" instead. (loongarch_expand_vector_init): Use gcc_unreachable () instead of gcc_assert (0), and fix the comment for it. --- gcc/config/loongarch/loongarch.cc | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc index 000d2d623..3aeafeafd 100644 --- a/gcc/config/loongarch/loongarch.cc +++ b/gcc/config/loongarch/loongarch.cc @@ -10723,7 +10723,7 @@ loongarch_expand_vector_init_same (rtx target, rtx vals, unsigned nvar) machine_mode vmode = GET_MODE (target); machine_mode imode = GET_MODE_INNER (vmode); rtx same = XVECEXP (vals, 0, 0); - rtx temp, temp2; + rtx temp; if (CONST_INT_P (same) && nvar == 0 && loongarch_signed_immediate_p (INTVAL (same), 10, 0)) @@ -10747,17 +10747,17 @@ loongarch_expand_vector_init_same (rtx target, rtx vals, unsigned nvar) } if (imode == GET_MODE (same)) - temp2 = same; + temp = same; else if (GET_MODE_SIZE (imode) >= UNITS_PER_WORD) { if (GET_CODE (same) == MEM) { rtx reg_tmp = gen_reg_rtx (GET_MODE (same)); loongarch_emit_move (reg_tmp, same); - temp2 = simplify_gen_subreg (imode, reg_tmp, GET_MODE (reg_tmp), 0); + temp = simplify_gen_subreg (imode, reg_tmp, GET_MODE (reg_tmp), 0); } else - temp2 = simplify_gen_subreg (imode, same, GET_MODE (same), 0); + temp = simplify_gen_subreg (imode, same, GET_MODE (same), 0); } else { @@ -10765,13 +10765,13 @@ loongarch_expand_vector_init_same (rtx target, rtx vals, unsigned nvar) { rtx reg_tmp = gen_reg_rtx (GET_MODE (same)); loongarch_emit_move (reg_tmp, same); - temp2 = lowpart_subreg (imode, reg_tmp, GET_MODE (reg_tmp)); + temp = lowpart_subreg (imode, reg_tmp, GET_MODE (reg_tmp)); } else - temp2 = lowpart_subreg (imode, same, GET_MODE (same)); + temp = lowpart_subreg (imode, same, GET_MODE (same)); } - temp = force_reg (imode, temp2); + temp = force_reg (imode, temp); switch (vmode) { @@ -11117,8 +11117,8 @@ loongarch_expand_vector_init (rtx target, rtx vals) return; } - /* Loongson is the only cpu with vectors with more elements. */ - gcc_assert (0); + /* No LoongArch CPU supports vectors with more elements as at now. */ + gcc_unreachable (); } /* Implement HARD_REGNO_CALLER_SAVE_MODE. */ -- 2.43.0