LoongArch: NFC: Simplify vec_permv8sf logic

gcc/

	* config/loongarch/lasx.md (lasx_xvperm_<lasxfmt_f_wd>): Add
	"@" for gen_lasx_xvperm helper.
	* config/loongarch/loongarch.cc (loongarch_expand_vec_perm_1):
	Call gen_lasx_xvperm to unify V8SF and V8SI handling.

diff --git a/gcc/config/loongarch/lasx.md b/gcc/config/loongarch/lasx.md
index e0af1e4c5909c55d746ac0b66e0e7a3c3aaedc85..2b63507f22fbed8a55c541194878f93e3359f8e6 100644 (file)
--- a/gcc/config/loongarch/lasx.md
+++ b/gcc/config/loongarch/lasx.md
@@ -469,8 +469,8 @@
   [(set_attr "type" "simd_splat")
    (set_attr "mode" "<MODE>")])
 
-;; xshuf.w
-(define_insn "lasx_xvperm_<lasxfmt_f_wd>"
+;; xvperm.w
+(define_insn "@lasx_xvperm_<lasxfmt_f_wd>"
   [(set (match_operand:LASX_W 0 "register_operand" "=f")
        (unspec:LASX_W
          [(match_operand:LASX_W 1 "nonimmediate_operand" "f")

diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc
index 73ff7e4274ec1b107b71f94caafdc92b36bf2fc0..3a5ccda808eda7721ca2ba3e04079a55f2fa529e 100644 (file)
--- a/gcc/config/loongarch/loongarch.cc
+++ b/gcc/config/loongarch/loongarch.cc
@@ -9133,33 +9133,20 @@ loongarch_expand_vec_perm_1 (rtx operands[])
   switch (mode)
     {
     case E_V8SImode:
+    case E_V8SFmode:
       if (one_operand_shuffle)
        {
-         emit_insn (gen_lasx_xvperm_w (target, op0, mask));
+         emit_insn (gen_lasx_xvperm (mode, target, op0, mask));
          if (target != operands[0])
            emit_move_insn (operands[0],
                            gen_lowpart (GET_MODE (operands[0]), target));
        }
       else
        {
-         t1 = gen_reg_rtx (V8SImode);
-         t2 = gen_reg_rtx (V8SImode);
-         emit_insn (gen_lasx_xvperm_w (t1, op0, mask));
-         emit_insn (gen_lasx_xvperm_w (t2, op1, mask));
-         goto merge_two;
-       }
-      return;
-
-    case E_V8SFmode:
-      mask = gen_lowpart (V8SImode, mask);
-      if (one_operand_shuffle)
-       emit_insn (gen_lasx_xvperm_w_f (target, op0, mask));
-      else
-       {
-         t1 = gen_reg_rtx (V8SFmode);
-         t2 = gen_reg_rtx (V8SFmode);
-         emit_insn (gen_lasx_xvperm_w_f (t1, op0, mask));
-         emit_insn (gen_lasx_xvperm_w_f (t2, op1, mask));
+         t1 = gen_reg_rtx (mode);
+         t2 = gen_reg_rtx (mode);
+         emit_insn (gen_lasx_xvperm (mode, t1, op0, mask));
+         emit_insn (gen_lasx_xvperm (mode, t2, op1, mask));
          goto merge_two;
        }
       return;