re PR target/89378 ([MIPS] FAIL: gcc.dg/vect/pr88598-3.c -mmsa (internal compiler error))

	PR target/89378
	* config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
	instead of gen_rtx_SUBREG.
	* config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.

From-SVN: r269801

gcc/ChangeLog

+2019-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/89378
+	* config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
+	instead of gen_rtx_SUBREG.
+	* config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
+
 2019-03-19  Richard Biener  <rguenther@suse.de>
 
 	PR debug/88389

gcc/config/mips/mips-msa.md

@@ -346,12 +346,12 @@
 	 operands[2] accordingly.  */
       rtx wd = gen_reg_rtx (V16QImode);
       rtx ws = gen_reg_rtx (V16QImode);
-      emit_move_insn (ws, gen_rtx_SUBREG (V16QImode, operands[1], 0));
+      emit_move_insn (ws, gen_lowpart (V16QImode, operands[1]));
       rtx n = GEN_INT (val * GET_MODE_SIZE (<UNITMODE>mode));
       gcc_assert (INTVAL (n) < GET_MODE_NUNITS (V16QImode));
       emit_insn (gen_msa_sldi_b (wd, ws, ws, n));
       temp = gen_reg_rtx (<MODE>mode);
-      emit_move_insn (temp, gen_rtx_SUBREG (<MODE>mode, wd, 0));
+      emit_move_insn (temp, gen_lowpart (<MODE>mode, wd));
     }
   emit_insn (gen_msa_vec_extract_<msafmt_f> (operands[0], temp));
   DONE;

gcc/config/mips/mips.c

@@ -22265,7 +22265,7 @@ mips_expand_vec_cond_expr (machine_mode mode, machine_mode vimode,
 	  if (mode != vimode)
 	    {
 	      xop1 = gen_reg_rtx (vimode);
-	      emit_move_insn (xop1, gen_rtx_SUBREG (vimode, operands[1], 0));
+	      emit_move_insn (xop1, gen_lowpart (vimode, operands[1]));
 	    }
 	  emit_move_insn (src1, xop1);
 	}
@@ -22282,7 +22282,7 @@ mips_expand_vec_cond_expr (machine_mode mode, machine_mode vimode,
 	  if (mode != vimode)
 	    {
 	      xop2 = gen_reg_rtx (vimode);
-	      emit_move_insn (xop2, gen_rtx_SUBREG (vimode, operands[2], 0));
+	      emit_move_insn (xop2, gen_lowpart (vimode, operands[2]));
 	    }
 	  emit_move_insn (src2, xop2);
 	}