PR target/50813

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / i386.c

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 35222c0..df1a206 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -36023,6 +36023,16 @@ expand_vec_perm_even_odd_1 (struct expand_vec_perm_d *d, unsigned odd)
       return expand_vec_perm_vpshufb2_vpermq_even_odd (d);
 
     case V4DImode:
+      if (!TARGET_AVX2)
+       {
+         struct expand_vec_perm_d d_copy = *d;
+         d_copy.vmode = V4DFmode;
+         d_copy.target = gen_lowpart (V4DFmode, d->target);
+         d_copy.op0 = gen_lowpart (V4DFmode, d->op0);
+         d_copy.op1 = gen_lowpart (V4DFmode, d->op1);
+         return expand_vec_perm_even_odd_1 (&d_copy, odd);
+       }
+
       t1 = gen_reg_rtx (V4DImode);
       t2 = gen_reg_rtx (V4DImode);
 
@@ -36039,6 +36049,16 @@ expand_vec_perm_even_odd_1 (struct expand_vec_perm_d *d, unsigned odd)
       break;
 
     case V8SImode:
+      if (!TARGET_AVX2)
+       {
+         struct expand_vec_perm_d d_copy = *d;
+         d_copy.vmode = V8SFmode;
+         d_copy.target = gen_lowpart (V8SFmode, d->target);
+         d_copy.op0 = gen_lowpart (V8SFmode, d->op0);
+         d_copy.op1 = gen_lowpart (V8SFmode, d->op1);
+         return expand_vec_perm_even_odd_1 (&d_copy, odd);
+       }
+
       t1 = gen_reg_rtx (V8SImode);
       t2 = gen_reg_rtx (V8SImode);