This patch is to dynamic adjust size of VLA vectors according to 
TARGET_MIN_VLEN (-march=*zvl*b).

Currently, VNx16QImode is always [16,16] when TARGET_MINV_LEN >= 128.

We are going to add a bunch of VLS modes (V16QI,V32QI,....etc), these modes 
should always be considered
as having smaller size than VLA vectors.

For example, the V32QImode is LMUL = 1 VLS mode when TARGET_MIN_VLEN = 256
             and V16QImode is LMUL = 1 VLS mode when TARGET_MINV_LEN = 128.

Since a LMUL = 1 VLA mode VNx16QI is always [16,16] before this patch, 
when TARGET_MIN_VLEN = 128, VNx16QImode ([16,16]) > V16QImode.
when TARGET_MIN_VLEN = 256, VNx16QImode ([16,16]) possible < V32QImode.

Then such inconsistency (TARGET_MIN_VLEN = 128, regno_reg_rtx[97] is VLA modes 
wheras it is VLS modes when TARGET_MIN_VLEN = 256).

This patch now adjust VLA vector size accurately according to TARGET_MIN_VLEN 
which make things more reasonable:

VNx16QI = [16,16] if TARGET_MIN_VLEN = 128.
VNx16QI = [32,32] if TARGET_MIN_VLEN = 256.
VNx16QI = [64,64] if TARGET_MIN_VLEN = 512.
VNx16QI = [128,128] if TARGET_MIN_VLEN = 1024.
VNx16QI = [256,256] if TARGET_MIN_VLEN = 2048.
VNx16QI = [512,512] if TARGET_MIN_VLEN = 4096.

gcc/ChangeLog:

        * config/riscv/riscv-selftests.cc (run_poly_int_selftests): Add more 
selftests.
        * config/riscv/riscv.cc (riscv_legitimize_poly_move): Dynamic adjust 
size of VLA vectors.
        (riscv_convert_vector_bits): Ditto.

gcc/testsuite/ChangeLog:

        * gcc.target/riscv/rvv/autovec/zve32f_zvl1024b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve32f_zvl2048b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve32f_zvl256b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve32f_zvl4096b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve32f_zvl512b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve32x_zvl1024b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve32x_zvl2048b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve32x_zvl256b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve32x_zvl4096b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve32x_zvl512b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64d_zvl1024b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64d_zvl2048b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64d_zvl256b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64d_zvl4096b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64d_zvl512b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64f_zvl1024b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64f_zvl2048b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64f_zvl256b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64f_zvl4096b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64f_zvl512b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64x_zvl1024b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64x_zvl2048b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64x_zvl256b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64x_zvl4096b-1.c: New test.
        * gcc.target/riscv/rvv/autovec/zve64x_zvl512b-1.c: New test.

---
 gcc/config/riscv/riscv-selftests.cc           | 10 +++++
 gcc/config/riscv/riscv.cc                     | 37 +++++++++++++------
 .../riscv/rvv/autovec/zve32f_zvl1024b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve32f_zvl2048b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve32f_zvl256b-1.c      |  6 +++
 .../riscv/rvv/autovec/zve32f_zvl4096b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve32f_zvl512b-1.c      |  6 +++
 .../riscv/rvv/autovec/zve32x_zvl1024b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve32x_zvl2048b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve32x_zvl256b-1.c      |  6 +++
 .../riscv/rvv/autovec/zve32x_zvl4096b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve32x_zvl512b-1.c      |  6 +++
 .../riscv/rvv/autovec/zve64d_zvl1024b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve64d_zvl2048b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve64d_zvl256b-1.c      |  6 +++
 .../riscv/rvv/autovec/zve64d_zvl4096b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve64d_zvl512b-1.c      |  6 +++
 .../riscv/rvv/autovec/zve64f_zvl1024b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve64f_zvl2048b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve64f_zvl256b-1.c      |  6 +++
 .../riscv/rvv/autovec/zve64f_zvl4096b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve64f_zvl512b-1.c      |  6 +++
 .../riscv/rvv/autovec/zve64x_zvl1024b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve64x_zvl2048b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve64x_zvl256b-1.c      |  6 +++
 .../riscv/rvv/autovec/zve64x_zvl4096b-1.c     |  6 +++
 .../riscv/rvv/autovec/zve64x_zvl512b-1.c      |  6 +++
 27 files changed, 185 insertions(+), 12 deletions(-)
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl1024b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl2048b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl256b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl4096b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl512b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl1024b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl2048b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl256b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl4096b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl512b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl1024b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl2048b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl256b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl4096b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl512b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl1024b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl2048b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl256b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl4096b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl512b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl1024b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl2048b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl256b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl4096b-1.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl512b-1.c

diff --git a/gcc/config/riscv/riscv-selftests.cc 
b/gcc/config/riscv/riscv-selftests.cc
index 1bf1a648fa1..b16b5c15286 100644
--- a/gcc/config/riscv/riscv-selftests.cc
+++ b/gcc/config/riscv/riscv-selftests.cc
@@ -232,6 +232,16 @@ run_poly_int_selftests (void)
                         worklist);
   run_poly_int_selftest ("rv32imafd_zve32x1p0", ABI_ILP32D, POLY_TEST_DIMODE,
                         worklist);
+  simple_poly_selftest ("rv64imafdv_zvl256b", ABI_LP64D,
+                       {QImode, HImode, SImode, DImode});
+  simple_poly_selftest ("rv64imafdv_zvl512b", ABI_LP64D,
+                       {QImode, HImode, SImode, DImode});
+  simple_poly_selftest ("rv64imafdv_zvl1024b", ABI_LP64D,
+                       {QImode, HImode, SImode, DImode});
+  simple_poly_selftest ("rv64imafdv_zvl2048b", ABI_LP64D,
+                       {QImode, HImode, SImode, DImode});
+  simple_poly_selftest ("rv64imafdv_zvl4096b", ABI_LP64D,
+                       {QImode, HImode, SImode, DImode});
 }
 
 static void
diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index d51d6bd1aca..f1f5a73389e 100644
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -2055,18 +2055,21 @@ riscv_legitimize_poly_move (machine_mode mode, rtx 
dest, rtx tmp, rtx src)
       riscv_emit_move (dest, GEN_INT (value.to_constant ()));
       return;
     }
-  else if ((factor % vlenb) == 0)
-    div_factor = 1;
-  else if ((factor % (vlenb / 2)) == 0)
-    div_factor = 2;
-  else if ((factor % (vlenb / 4)) == 0)
-    div_factor = 4;
-  else if ((factor % (vlenb / 8)) == 0)
-    div_factor = 8;
-  else if ((factor % (vlenb / 16)) == 0)
-    div_factor = 16;
   else
-    gcc_unreachable ();
+    {
+      /* FIXME: We currently DON'T support TARGET_MIN_VLEN > 4096.  */
+      int max_power = exact_log2 (4096 / 128);
+      for (int i = 0; i < max_power; i++)
+       {
+         int possible_div_factor = 1 << i;
+         if (factor % (vlenb / possible_div_factor) == 0)
+           {
+             div_factor = possible_div_factor;
+             break;
+           }
+       }
+      gcc_assert (div_factor != 0);
+    }
 
   if (div_factor != 1)
     riscv_expand_op (LSHIFTRT, mode, tmp, tmp,
@@ -6479,6 +6482,7 @@ riscv_init_machine_status (void)
 static poly_uint16
 riscv_convert_vector_bits (void)
 {
+  int chunk_num = 1;
   if (TARGET_MIN_VLEN >= 128)
     {
       /* We have Full 'V' extension for application processors. It's specified
@@ -6486,6 +6490,15 @@ riscv_convert_vector_bits (void)
         and Zve64d extensions. Thus the number of bytes in a vector is 16 + 16
         * x1 which is riscv_vector_chunks * 16 = poly_int (16, 16).  */
       riscv_bytes_per_vector_chunk = 16;
+      /* Adjust BYTES_PER_RISCV_VECTOR according to TARGET_MIN_VLEN:
+          - TARGET_MIN_VLEN = 128bit: [16,16]
+          - TARGET_MIN_VLEN = 256bit: [32,32]
+          - TARGET_MIN_VLEN = 512bit: [64,64]
+          - TARGET_MIN_VLEN = 1024bit: [128,128]
+          - TARGET_MIN_VLEN = 2048bit: [256,256]
+          - TARGET_MIN_VLEN = 4096bit: [512,512]
+          FIXME: We currently DON'T support TARGET_MIN_VLEN > 4096bit.  */
+      chunk_num = TARGET_MIN_VLEN / 128;
     }
   else if (TARGET_MIN_VLEN > 32)
     {
@@ -6518,7 +6531,7 @@ riscv_convert_vector_bits (void)
       if (riscv_autovec_preference == RVV_FIXED_VLMAX)
        return (int) TARGET_MIN_VLEN / (riscv_bytes_per_vector_chunk * 8);
       else
-       return poly_uint16 (1, 1);
+       return poly_uint16 (chunk_num, chunk_num);
     }
   else
     return 1;
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl1024b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl1024b-1.c
new file mode 100644
index 00000000000..54a36ae72d2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl1024b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve32f_zvl1024b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 4 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl2048b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl2048b-1.c
new file mode 100644
index 00000000000..754aee23e91
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl2048b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve32f_zvl2048b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 4 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl256b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl256b-1.c
new file mode 100644
index 00000000000..52a2c2b42b1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl256b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve32f_zvl256b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 4 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl4096b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl4096b-1.c
new file mode 100644
index 00000000000..7a911d154dd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl4096b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve32f_zvl4096b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 4 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl512b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl512b-1.c
new file mode 100644
index 00000000000..8d26abbe130
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f_zvl512b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve32f_zvl512b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 4 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl1024b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl1024b-1.c
new file mode 100644
index 00000000000..15c481624ea
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl1024b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve32x_zvl1024b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 2 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl2048b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl2048b-1.c
new file mode 100644
index 00000000000..46be1f4da5b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl2048b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve32x_zvl2048b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 2 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl256b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl256b-1.c
new file mode 100644
index 00000000000..90e30843be1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl256b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve32x_zvl256b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 2 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl4096b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl4096b-1.c
new file mode 100644
index 00000000000..02ac73bcb05
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl4096b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve32x_zvl4096b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 2 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl512b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl512b-1.c
new file mode 100644
index 00000000000..50cbfe13175
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x_zvl512b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve32x_zvl512b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 2 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl1024b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl1024b-1.c
new file mode 100644
index 00000000000..013af76f5b4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl1024b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64d_zvl1024b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 6 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl2048b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl2048b-1.c
new file mode 100644
index 00000000000..9cfcdf1fd5e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl2048b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64d_zvl2048b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 6 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl256b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl256b-1.c
new file mode 100644
index 00000000000..e0c0aeaea9e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl256b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64d_zvl256b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 6 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl4096b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl4096b-1.c
new file mode 100644
index 00000000000..b823e6342a7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl4096b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64d_zvl4096b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 6 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl512b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl512b-1.c
new file mode 100644
index 00000000000..6824b74bcf1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64d_zvl512b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64d_zvl512b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 6 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl1024b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl1024b-1.c
new file mode 100644
index 00000000000..cc4fabde5fe
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl1024b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64f_zvl1024b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 5 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl2048b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl2048b-1.c
new file mode 100644
index 00000000000..5f9acbb44fd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl2048b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64f_zvl2048b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 5 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl256b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl256b-1.c
new file mode 100644
index 00000000000..b3debc7399a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl256b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64f_zvl256b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 5 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl4096b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl4096b-1.c
new file mode 100644
index 00000000000..5f9acbb44fd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl4096b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64f_zvl2048b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 5 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl512b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl512b-1.c
new file mode 100644
index 00000000000..6e99d37e2dd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64f_zvl512b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64f_zvl512b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 5 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl1024b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl1024b-1.c
new file mode 100644
index 00000000000..b3d17c48cab
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl1024b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64x_zvl1024b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 3 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl2048b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl2048b-1.c
new file mode 100644
index 00000000000..b110771f191
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl2048b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64x_zvl2048b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 3 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl256b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl256b-1.c
new file mode 100644
index 00000000000..509d75ddb7c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl256b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64x_zvl256b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 3 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl4096b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl4096b-1.c
new file mode 100644
index 00000000000..0410eba4bdb
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl4096b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64x_zvl4096b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 3 "vect" 
} } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl512b-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl512b-1.c
new file mode 100644
index 00000000000..2af91a249af
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve64x_zvl512b-1.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_zve64x_zvl512b -mabi=ilp32d --param 
riscv-autovec-preference=scalable -fdump-tree-vect-details" } */
+
+#include "template-1.h"
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 3 "vect" 
} } */
-- 
2.36.1

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