]> git.ipfire.org Git - thirdparty/gcc.git/commitdiff
RISC-V: Add pattern for vector-scalar single-width floating-point sub
authorPaul-Antoine Arras <parras@baylibre.com>
Fri, 5 Sep 2025 11:03:40 +0000 (13:03 +0200)
committerPaul-Antoine Arras <parras@baylibre.com>
Mon, 8 Sep 2025 10:26:10 +0000 (12:26 +0200)
This pattern enables the combine pass (or late-combine, depending on the case)
to merge a vec_duplicate into a minus RTL instruction. The vec_duplicate is the
subtrahend operand.

Before this patch, we have two instructions, e.g.:
  vfmv.v.f       v2,fa0
  vfsub.vv       v1,v1,v2

After, we get only one:
  vfsub.vf       v1,v1,fa0

gcc/ChangeLog:

* config/riscv/autovec-opt.md (*vfsub_vf_<mode>): New pattern to
combine vec_duplicate + vfsub.vv into vfsub.vf.
* config/riscv/vector.md (@pred_<optab><mode>_scalar): Allow VLS modes.

gcc/testsuite/ChangeLog:

* gcc.target/riscv/rvv/autovec/vls/floating-point-sub-2.c: Adjust scan
dumps.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-1-f16.c: Add vfsub.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-1-f32.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-1-f64.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-2-f16.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-2-f32.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-2-f64.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-3-f16.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-3-f32.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-3-f64.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-4-f16.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-4-f32.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf-4-f64.c: Likewise.
* gcc.target/riscv/rvv/autovec/vx_vf/vf_binop_data.h: Add data for
vfsub.
* gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f16.c: New test.
* gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f32.c: New test.
* gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f64.c: New test.

19 files changed:
gcc/config/riscv/autovec-opt.md
gcc/config/riscv/vector.md
gcc/testsuite/gcc.target/riscv/rvv/autovec/vls/floating-point-sub-2.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-1-f16.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-1-f32.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-1-f64.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-2-f16.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-2-f32.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-2-f64.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-3-f16.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-3-f32.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-3-f64.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-4-f16.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-4-f32.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf-4-f64.c
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf_binop_data.h
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f16.c [new file with mode: 0644]
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f32.c [new file with mode: 0644]
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f64.c [new file with mode: 0644]

index f51b8ba8052377615578f98f4a593dcc27ffc12d..f4d13ca356842bcdbe40da48594c9192754caf2b 100644 (file)
   }
   [(set_attr "type" "vfalu")]
 )
+
+;; vfsub.vf
+(define_insn_and_split "*vfsub_vf_<mode>"
+  [(set (match_operand:V_VLSF 0 "register_operand")
+    (minus:V_VLSF
+      (match_operand:V_VLSF 1 "register_operand")
+      (vec_duplicate:V_VLSF
+        (match_operand:<VEL> 2 "register_operand"))))]
+  "TARGET_VECTOR && can_create_pseudo_p ()"
+  "#"
+  "&& 1"
+  [(const_int 0)]
+  {
+    riscv_vector::emit_vlmax_insn (code_for_pred_scalar (MINUS, <MODE>mode),
+                                  riscv_vector::BINARY_OP_FRM_DYN, operands);
+    DONE;
+  }
+  [(set_attr "type" "vfalu")]
+)
index d62f8bb2cd2e2094f568ba33c9105618b33fe74d..c6c37dff994571688519a0dff90b4cf8b1c78abf 100644 (file)
    (set_attr "mode" "<MODE>")])
 
 (define_insn "@pred_<optab><mode>_scalar"
-  [(set (match_operand:VF 0 "register_operand"           "=vd, vd, vr, vr")
-       (if_then_else:VF
+  [(set (match_operand:V_VLSF 0 "register_operand"           "=vd, vd, vr, vr")
+       (if_then_else:V_VLSF
          (unspec:<VM>
            [(match_operand:<VM> 1 "vector_mask_operand" " vm, vm,Wc1,Wc1")
             (match_operand 5 "vector_length_operand"    "rvl,rvl,rvl,rvl")
             (reg:SI VL_REGNUM)
             (reg:SI VTYPE_REGNUM)
             (reg:SI FRM_REGNUM)] UNSPEC_VPREDICATE)
-         (non_commutative_float_binop:VF
-           (match_operand:VF 3 "register_operand"       " vr, vr, vr, vr")
-           (vec_duplicate:VF
+         (non_commutative_float_binop:V_VLSF
+           (match_operand:V_VLSF 3 "register_operand"       " vr, vr, vr, vr")
+           (vec_duplicate:V_VLSF
              (match_operand:<VEL> 4 "register_operand"  "  f,  f,  f,  f")))
-         (match_operand:VF 2 "vector_merge_operand"     " vu,  0, vu,  0")))]
+         (match_operand:V_VLSF 2 "vector_merge_operand"     " vu,  0, vu,  0")))]
   "TARGET_VECTOR"
   "vf<insn>.vf\t%0,%3,%4%p1"
   [(set_attr "type" "<float_insn_type>")
index 8ddefc69f2c4b32633c0e8ea6a4693829e19864d..e8a1bc69d71d8a2e65ffd5a066029623ae402f9d 100644 (file)
@@ -39,5 +39,5 @@ DEF_OP_VX (sub, 128, double, -)
 DEF_OP_VX (sub, 256, double, -)
 DEF_OP_VX (sub, 512, double, -)
 
-/* { dg-final { scan-assembler-times {vfsub\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+} 30 } } */
+/* { dg-final { scan-assembler-times {vfsub\.vf\s+v[0-9]+,\s*v[0-9]+,\s*f[ast]?[0-9]+} 30 } } */
 /* { dg-final { scan-assembler-not {csrr} } } */
index ad3e1999d3ebea249ac585a44e5b4354112ba0f5..002d091c3adcf46778349ffa668299e10024744f 100644 (file)
@@ -18,6 +18,7 @@ DEF_VF_MULOP_WIDEN_CASE_0 (_Float16, float, +, -, nacc)
 DEF_VF_MULOP_WIDEN_CASE_0 (_Float16, float, -, -, nsac)
 DEF_VF_BINOP_CASE_0 (_Float16, *, mul)
 DEF_VF_BINOP_CASE_0 (_Float16, +, add)
+DEF_VF_BINOP_CASE_0 (_Float16, -, sub)
 DEF_VF_BINOP_REVERSE_CASE_0 (_Float16, /, rdiv)
 DEF_VF_BINOP_CASE_2_WRAP (_Float16, MIN_FUNC_0_WRAP (_Float16), min)
 DEF_VF_BINOP_CASE_2_WRAP (_Float16, MIN_FUNC_1_WRAP (_Float16), min)
@@ -39,6 +40,7 @@ DEF_VF_BINOP_WIDEN_CASE_0 (_Float16, float, *, mul)
 /* { dg-final { scan-assembler-times {vfwnmsac.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfmul.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfadd.vf} 1 } } */
+/* { dg-final { scan-assembler-times {vfsub.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfrdiv.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfmin.vf} 2 } } */
 /* { dg-final { scan-assembler-times {vfmax.vf} 2 } } */
index dae2d04c3ede21c421e6a985651fa205a305a010..c8b323b63e799054545b2b3ce40007c8b19da4c5 100644 (file)
@@ -18,6 +18,7 @@ DEF_VF_MULOP_WIDEN_CASE_0 (float, double, +, -, nacc)
 DEF_VF_MULOP_WIDEN_CASE_0 (float, double, -, -, nsac)
 DEF_VF_BINOP_CASE_0 (float, *, mul)
 DEF_VF_BINOP_CASE_0 (float, +, add)
+DEF_VF_BINOP_CASE_0 (float, -, sub)
 DEF_VF_BINOP_REVERSE_CASE_0 (float, /, rdiv)
 DEF_VF_BINOP_CASE_2_WRAP (float, MIN_FUNC_0_WRAP (float), min)
 DEF_VF_BINOP_CASE_2_WRAP (float, MIN_FUNC_1_WRAP (float), min)
@@ -39,6 +40,7 @@ DEF_VF_BINOP_WIDEN_CASE_0 (float, double, *, mul)
 /* { dg-final { scan-assembler-times {vfwnmsac.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfmul.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfadd.vf} 1 } } */
+/* { dg-final { scan-assembler-times {vfsub.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfrdiv.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfmin.vf} 2 } } */
 /* { dg-final { scan-assembler-times {vfmax.vf} 2 } } */
index cb36ef846939f06bbfe64db091f0671a26b186b2..0d04b9231181d9c93ac023fc3173ae2f1736c7bc 100644 (file)
@@ -14,6 +14,7 @@ DEF_VF_MULOP_ACC_CASE_0 (double, +, -, nacc)
 DEF_VF_MULOP_ACC_CASE_0 (double, -, -, nsac)
 DEF_VF_BINOP_CASE_0 (double, *, mul)
 DEF_VF_BINOP_CASE_0 (double, +, add)
+DEF_VF_BINOP_CASE_0 (double, -, sub)
 DEF_VF_BINOP_REVERSE_CASE_0 (double, /, rdiv)
 DEF_VF_BINOP_CASE_2_WRAP (double, MIN_FUNC_0_WRAP (double), min)
 DEF_VF_BINOP_CASE_2_WRAP (double, MIN_FUNC_1_WRAP (double), min)
@@ -30,6 +31,7 @@ DEF_VF_BINOP_CASE_2_WRAP (double, MAX_FUNC_1_WRAP (double), max)
 /* { dg-final { scan-assembler-times {vfnmsac.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfmul.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfadd.vf} 1 } } */
+/* { dg-final { scan-assembler-times {vfsub.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfrdiv.vf} 1 } } */
 /* { dg-final { scan-assembler-times {vfmin.vf} 2 } } */
 /* { dg-final { scan-assembler-times {vfmax.vf} 2 } } */
index eebb69f30915eddbdd1ae07edf022e6efb825679..05361d8191c0d3e013d3af78a1e38471d39404f8 100644 (file)
@@ -17,6 +17,7 @@
 /* { dg-final { scan-assembler-not {vfwnmsac.vf} } } */
 /* { dg-final { scan-assembler-not {vfmul.vf} } } */
 /* { dg-final { scan-assembler-not {vfadd.vf} } } */
+/* { dg-final { scan-assembler-not {vfsub.vf} } } */
 /* { dg-final { scan-assembler-not {vfrdiv.vf} } } */
 /* { dg-final { scan-assembler-not {vfmin.vf} } } */
 /* { dg-final { scan-assembler-not {vfmax.vf} } } */
index 64ab5b191e14f8bb6118e2cc55474190cacd9a32..085d8727dacac60d99f38506cf58e476d0ed5961 100644 (file)
@@ -17,6 +17,7 @@
 /* { dg-final { scan-assembler-not {vfwnmsac.vf} } } */
 /* { dg-final { scan-assembler-not {vfmul.vf} } } */
 /* { dg-final { scan-assembler-not {vfadd.vf} } } */
+/* { dg-final { scan-assembler-not {vfsub.vf} } } */
 /* { dg-final { scan-assembler-not {vfrdiv.vf} } } */
 /* { dg-final { scan-assembler-not {vfmin.vf} } } */
 /* { dg-final { scan-assembler-not {vfmax.vf} } } */
index b8497170d30ec7e81b09fbfd6e83d8c8d1ba0496..49ad3863a213573ff836a99c2c87c3ca2d23ba24 100644 (file)
@@ -13,6 +13,7 @@
 /* { dg-final { scan-assembler-not {vfnmsac.vf} } } */
 /* { dg-final { scan-assembler-not {vfmul.vf} } } */
 /* { dg-final { scan-assembler-not {vfadd.vf} } } */
+/* { dg-final { scan-assembler-not {vfsub.vf} } } */
 /* { dg-final { scan-assembler-not {vfrdiv.vf} } } */
 /* { dg-final { scan-assembler-not {vfmin.vf} } } */
 /* { dg-final { scan-assembler-not {vfmax.vf} } } */
index 12e779c8a3c9b63fa666e9ec77ec532b90ada250..e1d7730ec239d524111cf7de878ab6f59d26c28f 100644 (file)
@@ -18,6 +18,7 @@ DEF_VF_MULOP_WIDEN_CASE_1 (_Float16, float, +, -, nacc)
 DEF_VF_MULOP_WIDEN_CASE_1 (_Float16, float, -, -, nsac)
 DEF_VF_BINOP_CASE_1 (_Float16, *, mul, VF_BINOP_BODY_X128)
 DEF_VF_BINOP_CASE_1 (_Float16, +, add, VF_BINOP_BODY_X128)
+DEF_VF_BINOP_CASE_1 (_Float16, -, sub, VF_BINOP_BODY_X128)
 DEF_VF_BINOP_REVERSE_CASE_1 (_Float16, /, rdiv, VF_BINOP_REVERSE_BODY_X128)
 DEF_VF_BINOP_CASE_3_WRAP (_Float16, MIN_FUNC_0_WRAP (_Float16), min,
                          VF_BINOP_FUNC_BODY_X128)
@@ -43,6 +44,7 @@ DEF_VF_BINOP_WIDEN_CASE_1 (_Float16, float, *, mul)
 /* { dg-final { scan-assembler {vfwnmsac.vf} } } */
 /* { dg-final { scan-assembler {vfmul.vf} } } */
 /* { dg-final { scan-assembler {vfadd.vf} } } */
+/* { dg-final { scan-assembler {vfsub.vf} } } */
 /* { dg-final { scan-assembler {vfrdiv.vf} } } */
 /* { dg-final { scan-assembler {vfmin.vf} } } */
 /* { dg-final { scan-assembler {vfmax.vf} } } */
index 49ebc2bbace3764fc365959922379a4686393614..bef9a2d41cbf3f00cd8aab6035e66f10d61deed1 100644 (file)
@@ -18,6 +18,7 @@ DEF_VF_MULOP_WIDEN_CASE_1 (float, double, +, -, nacc)
 DEF_VF_MULOP_WIDEN_CASE_1 (float, double, -, -, nsac)
 DEF_VF_BINOP_CASE_1 (float, *, mul, VF_BINOP_BODY_X128)
 DEF_VF_BINOP_CASE_1 (float, +, add, VF_BINOP_BODY_X128)
+DEF_VF_BINOP_CASE_1 (float, -, sub, VF_BINOP_BODY_X128)
 DEF_VF_BINOP_REVERSE_CASE_1 (float, /, rdiv, VF_BINOP_REVERSE_BODY_X128)
 DEF_VF_BINOP_CASE_3_WRAP (float, MIN_FUNC_0_WRAP (float), min,
                          VF_BINOP_FUNC_BODY_X128)
@@ -43,6 +44,7 @@ DEF_VF_BINOP_WIDEN_CASE_1 (float, double, *, mul)
 /* { dg-final { scan-assembler {vfwnmsac.vf} } } */
 /* { dg-final { scan-assembler {vfmul.vf} } } */
 /* { dg-final { scan-assembler {vfadd.vf} } } */
+/* { dg-final { scan-assembler {vfsub.vf} } } */
 /* { dg-final { scan-assembler {vfrdiv.vf} } } */
 /* { dg-final { scan-assembler {vfmin.vf} } } */
 /* { dg-final { scan-assembler {vfmax.vf} } } */
index 9f898d2d24918283c3d9ac7f166dfb077ca748d7..861da77a82bdbef6e666f0c486d2348019d91897 100644 (file)
@@ -14,6 +14,7 @@ DEF_VF_MULOP_ACC_CASE_1 (double, +, -, nacc, VF_MULOP_ACC_BODY_X128)
 DEF_VF_MULOP_ACC_CASE_1 (double, -, -, nsac, VF_MULOP_ACC_BODY_X128)
 DEF_VF_BINOP_CASE_1 (double, *, mul, VF_BINOP_BODY_X128)
 DEF_VF_BINOP_CASE_1 (double, +, add, VF_BINOP_BODY_X128)
+DEF_VF_BINOP_CASE_1 (double, -, sub, VF_BINOP_BODY_X128)
 DEF_VF_BINOP_REVERSE_CASE_1 (double, /, rdiv, VF_BINOP_REVERSE_BODY_X128)
 DEF_VF_BINOP_CASE_3_WRAP (double, MIN_FUNC_0_WRAP (double), min,
                          VF_BINOP_FUNC_BODY_X128)
@@ -34,6 +35,7 @@ DEF_VF_BINOP_CASE_3_WRAP (double, MAX_FUNC_1_WRAP (double), max,
 /* { dg-final { scan-assembler {vfnmsac.vf} } } */
 /* { dg-final { scan-assembler {vfmul.vf} } } */
 /* { dg-final { scan-assembler {vfadd.vf} } } */
+/* { dg-final { scan-assembler {vfsub.vf} } } */
 /* { dg-final { scan-assembler {vfrdiv.vf} } } */
 /* { dg-final { scan-assembler {vfmin.vf} } } */
 /* { dg-final { scan-assembler {vfmax.vf} } } */
index eab87ef6022298ef56e5f6a0a5f24778350d5b83..19456dcb16c5e0201b07fa96d5cd7a1b47c9a1ed 100644 (file)
@@ -17,6 +17,7 @@
 /* { dg-final { scan-assembler-not {vfwnmsac.vf} } } */
 /* { dg-final { scan-assembler-not {vfmul.vf} } } */
 /* { dg-final { scan-assembler-not {vfadd.vf} } } */
+/* { dg-final { scan-assembler-not {vfsub.vf} } } */
 /* { dg-final { scan-assembler-not {vfrdiv.vf} } } */
 /* { dg-final { scan-assembler-not {vfmin.vf} } } */
 /* { dg-final { scan-assembler-not {vfmax.vf} } } */
index 5cd4d57a23b4ce3306add9abc3e6209d9a1ec533..9c3a59f28ef839d01dc608478edc61111d03b99c 100644 (file)
@@ -17,6 +17,7 @@
 /* { dg-final { scan-assembler-not {vfwnmsac.vf} } } */
 /* { dg-final { scan-assembler-not {vfmul.vf} } } */
 /* { dg-final { scan-assembler-not {vfadd.vf} } } */
+/* { dg-final { scan-assembler-not {vfsub.vf} } } */
 /* { dg-final { scan-assembler-not {vfrdiv.vf} } } */
 /* { dg-final { scan-assembler-not {vfmin.vf} } } */
 /* { dg-final { scan-assembler-not {vfmax.vf} } } */
index 437631c6626fe087eb03ea331bf83ea3b5711d76..14cf691ca6fcba61b3d03dcb1dcb727880c57ebf 100644 (file)
@@ -13,6 +13,7 @@
 /* { dg-final { scan-assembler-not {vfnmsac.vf} } } */
 /* { dg-final { scan-assembler-not {vfmul.vf} } } */
 /* { dg-final { scan-assembler-not {vfadd.vf} } } */
+/* { dg-final { scan-assembler-not {vfsub.vf} } } */
 /* { dg-final { scan-assembler-not {vfrdiv.vf} } } */
 /* { dg-final { scan-assembler-not {vfmin.vf} } } */
 /* { dg-final { scan-assembler-not {vfmax.vf} } } */
index 48f7a26b9d2b3fabf3044f7266ddb73ed772b830..d7f8d1dcd458aea70419283baa3b45ec1d558f6c 100644 (file)
@@ -300,6 +300,152 @@ double TEST_BINOP_DATA(double, add)[][4][N] =
     },
   },
 };
+_Float16 TEST_BINOP_DATA(_Float16, sub)[][4][N] =
+{
+  {
+    { 0x1.0000000000000p+0f16 },
+    {
+    0x1.8fc0000000000p+4f16, 0x1.8fc0000000000p+4f16, 0x1.8fc0000000000p+4f16, 0x1.8fc0000000000p+4f16,
+    0x1.b880000000000p+6f16, 0x1.b880000000000p+6f16, 0x1.b880000000000p+6f16, 0x1.b880000000000p+6f16,
+    0x1.a4c0000000000p+5f16, 0x1.a4c0000000000p+5f16, 0x1.a4c0000000000p+5f16, 0x1.a4c0000000000p+5f16,
+    0x1.6f80000000000p+4f16, 0x1.6f80000000000p+4f16, 0x1.6f80000000000p+4f16, 0x1.6f80000000000p+4f16,
+    },
+    {
+    0x1.7fc0000000000p+4f16, 0x1.7fc0000000000p+4f16, 0x1.7fc0000000000p+4f16, 0x1.7fc0000000000p+4f16,
+    0x1.b480000000000p+6f16, 0x1.b480000000000p+6f16, 0x1.b480000000000p+6f16, 0x1.b480000000000p+6f16,
+    0x1.9cc0000000000p+5f16, 0x1.9cc0000000000p+5f16, 0x1.9cc0000000000p+5f16, 0x1.9cc0000000000p+5f16,
+    0x1.5f80000000000p+4f16, 0x1.5f80000000000p+4f16, 0x1.5f80000000000p+4f16, 0x1.5f80000000000p+4f16,
+    },
+  },
+  {
+    { 0x1.9000000000000p+6f16 },
+    {
+    -0x1.53c0000000000p+5f16, -0x1.53c0000000000p+5f16, -0x1.53c0000000000p+5f16, -0x1.53c0000000000p+5f16,
+    0x1.c300000000000p+6f16, 0x1.c300000000000p+6f16, 0x1.c300000000000p+6f16, 0x1.c300000000000p+6f16,
+    -0x1.ffc0000000000p+7f16, -0x1.ffc0000000000p+7f16, -0x1.ffc0000000000p+7f16, -0x1.ffc0000000000p+7f16,
+    -0x1.94c0000000000p+6f16, -0x1.94c0000000000p+6f16, -0x1.94c0000000000p+6f16, -0x1.94c0000000000p+6f16,
+    },
+    {
+    -0x1.1d00000000000p+7f16, -0x1.1d00000000000p+7f16, -0x1.1d00000000000p+7f16, -0x1.1d00000000000p+7f16,
+    0x1.9800000000000p+3f16, 0x1.9800000000000p+3f16, 0x1.9800000000000p+3f16, 0x1.9800000000000p+3f16,
+    -0x1.63c0000000000p+8f16, -0x1.63c0000000000p+8f16, -0x1.63c0000000000p+8f16, -0x1.63c0000000000p+8f16,
+    -0x1.9240000000000p+7f16, -0x1.9240000000000p+7f16, -0x1.9240000000000p+7f16, -0x1.9240000000000p+7f16,
+    },
+  },
+  {
+    { -0x1.9000000000000p+6f16 },
+    {
+    -0x1.0600000000000p+5f16, -0x1.0600000000000p+5f16, -0x1.0600000000000p+5f16, -0x1.0600000000000p+5f16,
+    -0x1.e540000000000p+7f16, -0x1.e540000000000p+7f16, -0x1.e540000000000p+7f16, -0x1.e540000000000p+7f16,
+    0x1.96c0000000000p+4f16, 0x1.96c0000000000p+4f16, 0x1.96c0000000000p+4f16, 0x1.96c0000000000p+4f16,
+    -0x1.08c0000000000p+5f16, -0x1.08c0000000000p+5f16, -0x1.08c0000000000p+5f16, -0x1.08c0000000000p+5f16,
+    },
+    {
+    0x1.0d00000000000p+6f16, 0x1.0d00000000000p+6f16, 0x1.0d00000000000p+6f16, 0x1.0d00000000000p+6f16,
+    -0x1.1d40000000000p+7f16, -0x1.1d40000000000p+7f16, -0x1.1d40000000000p+7f16, -0x1.1d40000000000p+7f16,
+    0x1.f5c0000000000p+6f16, 0x1.f5c0000000000p+6f16, 0x1.f5c0000000000p+6f16, 0x1.f5c0000000000p+6f16,
+    0x1.0b80000000000p+6f16, 0x1.0b80000000000p+6f16, 0x1.0b80000000000p+6f16, 0x1.0b80000000000p+6f16,
+    },
+  },
+};
+
+float TEST_BINOP_DATA(float, sub)[][4][N] =
+{
+  {
+    { 0x1.1c37940000000p+53f },
+    {
+    0x1.8fe1540000000p+60f, 0x1.8fe1540000000p+60f, 0x1.8fe1540000000p+60f, 0x1.8fe1540000000p+60f,
+    0x1.b8b5320000000p+62f, 0x1.b8b5320000000p+62f, 0x1.b8b5320000000p+62f, 0x1.b8b5320000000p+62f,
+    0x1.a4eb340000000p+61f, 0x1.a4eb340000000p+61f, 0x1.a4eb340000000p+61f, 0x1.a4eb340000000p+61f,
+    0x1.6faeda0000000p+60f, 0x1.6faeda0000000p+60f, 0x1.6faeda0000000p+60f, 0x1.6faeda0000000p+60f,
+    },
+    {
+    0x1.8da8e60000000p+60f, 0x1.8da8e60000000p+60f, 0x1.8da8e60000000p+60f, 0x1.8da8e60000000p+60f,
+    0x1.b827160000000p+62f, 0x1.b827160000000p+62f, 0x1.b827160000000p+62f, 0x1.b827160000000p+62f,
+    0x1.a3cefc0000000p+61f, 0x1.a3cefc0000000p+61f, 0x1.a3cefc0000000p+61f, 0x1.a3cefc0000000p+61f,
+    0x1.6d766a0000000p+60f, 0x1.6d766a0000000p+60f, 0x1.6d766a0000000p+60f, 0x1.6d766a0000000p+60f,
+    },
+  },
+  {
+    { 0x1.158e460000000p+63f },
+    {
+    -0x1.53e0ba0000000p+61f, -0x1.53e0ba0000000p+61f, -0x1.53e0ba0000000p+61f, -0x1.53e0ba0000000p+61f,
+    0x1.c3397c0000000p+62f, 0x1.c3397c0000000p+62f, 0x1.c3397c0000000p+62f, 0x1.c3397c0000000p+62f,
+    -0x1.ffe2020000000p+63f, -0x1.ffe2020000000p+63f, -0x1.ffe2020000000p+63f, -0x1.ffe2020000000p+63f,
+    -0x1.94d2a80000000p+62f, -0x1.94d2a80000000p+62f, -0x1.94d2a80000000p+62f, -0x1.94d2a80000000p+62f,
+    },
+    {
+    -0x1.6a86740000000p+63f, -0x1.6a86740000000p+63f, -0x1.6a86740000000p+63f, -0x1.6a86740000000p+63f,
+    -0x1.9f8c440000000p+60f, -0x1.9f8c440000000p+60f, -0x1.9f8c440000000p+60f, -0x1.9f8c440000000p+60f,
+    -0x1.8ab8240000000p+64f, -0x1.8ab8240000000p+64f, -0x1.8ab8240000000p+64f, -0x1.8ab8240000000p+64f,
+    -0x1.dff79a0000000p+63f, -0x1.dff79a0000000p+63f, -0x1.dff79a0000000p+63f, -0x1.dff79a0000000p+63f,
+    },
+  },
+  {
+    { -0x1.158e460000000p+63f },
+    {
+    -0x1.53e0ba0000000p+61f, -0x1.53e0ba0000000p+61f, -0x1.53e0ba0000000p+61f, -0x1.53e0ba0000000p+61f,
+    0x1.c3397c0000000p+62f, 0x1.c3397c0000000p+62f, 0x1.c3397c0000000p+62f, 0x1.c3397c0000000p+62f,
+    -0x1.ffe2020000000p+63f, -0x1.ffe2020000000p+63f, -0x1.ffe2020000000p+63f, -0x1.ffe2020000000p+63f,
+    -0x1.94d2a80000000p+62f, -0x1.94d2a80000000p+62f, -0x1.94d2a80000000p+62f, -0x1.94d2a80000000p+62f,
+    },
+    {
+    0x1.812c2e0000000p+62f, 0x1.812c2e0000000p+62f, 0x1.812c2e0000000p+62f, 0x1.812c2e0000000p+62f,
+    0x1.f72b040000000p+63f, 0x1.f72b040000000p+63f, 0x1.f72b040000000p+63f, 0x1.f72b040000000p+63f,
+    -0x1.d4a7780000000p+62f, -0x1.d4a7780000000p+62f, -0x1.d4a7780000000p+62f, -0x1.d4a7780000000p+62f,
+    0x1.2c93ca0000000p+61f, 0x1.2c93ca0000000p+61f, 0x1.2c93ca0000000p+61f, 0x1.2c93ca0000000p+61f,
+    },
+  },
+};
+
+double TEST_BINOP_DATA(double, sub)[][4][N] =
+{
+  {
+    { 0x1.12f1bbdb4d470p+508 },
+    {
+    0x1.8fe1565f12a78p+508, 0x1.8fe1565f12a78p+508, 0x1.8fe1565f12a78p+508, 0x1.8fe1565f12a78p+508,
+    0x1.b8b533d821ccap+510, 0x1.b8b533d821ccap+510, 0x1.b8b533d821ccap+510, 0x1.b8b533d821ccap+510,
+    0x1.a4eb35b744a54p+509, 0x1.a4eb35b744a54p+509, 0x1.a4eb35b744a54p+509, 0x1.a4eb35b744a54p+509,
+    0x1.6faedb6395f48p+508, 0x1.6faedb6395f48p+508, 0x1.6faedb6395f48p+508, 0x1.6faedb6395f48p+508,
+    },
+    {
+    0x1.f3be6a0f15820p+506, 0x1.f3be6a0f15820p+506, 0x1.f3be6a0f15820p+506, 0x1.f3be6a0f15820p+506,
+    0x1.73f8c4e14e7aep+510, 0x1.73f8c4e14e7aep+510, 0x1.73f8c4e14e7aep+510, 0x1.73f8c4e14e7aep+510,
+    0x1.1b7257c99e01cp+509, 0x1.1b7257c99e01cp+509, 0x1.1b7257c99e01cp+509, 0x1.1b7257c99e01cp+509,
+    0x1.72f47e2122b60p+506, 0x1.72f47e2122b60p+506, 0x1.72f47e2122b60p+506, 0x1.72f47e2122b60p+506,
+    },
+  },
+  {
+    { 0x1.57ae2ad22098cp+511 },
+    {
+    -0x1.53e0bc0170fe8p+509, -0x1.53e0bc0170fe8p+509, -0x1.53e0bc0170fe8p+509, -0x1.53e0bc0170fe8p+509,
+    0x1.c3397ceebc142p+510, 0x1.c3397ceebc142p+510, 0x1.c3397ceebc142p+510, 0x1.c3397ceebc142p+510,
+    -0x1.ffe2046f999e3p+511, -0x1.ffe2046f999e3p+511, -0x1.ffe2046f999e3p+511, -0x1.ffe2046f999e3p+511,
+    -0x1.94d2a9003ee18p+510, -0x1.94d2a9003ee18p+510, -0x1.94d2a9003ee18p+510, -0x1.94d2a9003ee18p+510,
+    },
+    {
+    -0x1.aca659d27cd86p+511, -0x1.aca659d27cd86p+511, -0x1.aca659d27cd86p+511, -0x1.aca659d27cd86p+511,
+    -0x1.d845b16b0a3acp+509, -0x1.d845b16b0a3acp+509, -0x1.d845b16b0a3acp+509, -0x1.d845b16b0a3acp+509,
+    -0x1.abc817a0dd1b8p+512, -0x1.abc817a0dd1b8p+512, -0x1.abc817a0dd1b8p+512, -0x1.abc817a0dd1b8p+512,
+    -0x1.110bbfa92004cp+512, -0x1.110bbfa92004cp+512, -0x1.110bbfa92004cp+512, -0x1.110bbfa92004cp+512,
+    },
+  },
+  {
+    { -0x1.57ae2ad22098cp+511 },
+    {
+    -0x1.062a35a13cec0p+509, -0x1.062a35a13cec0p+509, -0x1.062a35a13cec0p+509, -0x1.062a35a13cec0p+509,
+    -0x1.e5739808c344dp+511, -0x1.e5739808c344dp+511, -0x1.e5739808c344dp+511, -0x1.e5739808c344dp+511,
+    0x1.96d5c3ca79e38p+508, 0x1.96d5c3ca79e38p+508, 0x1.96d5c3ca79e38p+508, 0x1.96d5c3ca79e38p+508,
+    -0x1.08eb6307cef78p+509, -0x1.08eb6307cef78p+509, -0x1.08eb6307cef78p+509, -0x1.08eb6307cef78p+509,
+    },
+    {
+    0x1.16239d69d15dcp+511, 0x1.16239d69d15dcp+511, 0x1.16239d69d15dcp+511, 0x1.16239d69d15dcp+511,
+    -0x1.1b8ada6d45582p+510, -0x1.1b8ada6d45582p+510, -0x1.1b8ada6d45582p+510, -0x1.1b8ada6d45582p+510,
+    0x1.8a88e34b6fd53p+511, 0x1.8a88e34b6fd53p+511, 0x1.8a88e34b6fd53p+511, 0x1.8a88e34b6fd53p+511,
+    0x1.157352102cdaep+511, 0x1.157352102cdaep+511, 0x1.157352102cdaep+511, 0x1.157352102cdaep+511,
+    },
+  },
+};
 
 _Float16 TEST_BINOP_DATA(_Float16, rdiv)[][4][N] =
 {
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f16.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f16.c
new file mode 100644 (file)
index 0000000..4428e43
--- /dev/null
@@ -0,0 +1,19 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-require-effective-target riscv_v_ok } */
+/* { dg-require-effective-target riscv_zvfh_ok } */
+/* { dg-add-options "riscv_v" } */
+/* { dg-add-options "riscv_zvfh" } */
+/* { dg-additional-options "--param=fpr2vr-cost=0" } */
+
+#include "vf_binop.h"
+#include "vf_binop_data.h"
+
+#define T    _Float16
+#define NAME sub
+
+DEF_VF_BINOP_CASE_0_WRAP (T, -, NAME)
+
+#define TEST_DATA                        TEST_BINOP_DATA_WRAP(T, NAME)
+#define TEST_RUN(T, NAME, out, in, f, n) RUN_VF_BINOP_CASE_0_WRAP(T, NAME, out, in, f, n)
+
+#include "vf_binop_run.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f32.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f32.c
new file mode 100644 (file)
index 0000000..bcfdcc2
--- /dev/null
@@ -0,0 +1,15 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "--param=fpr2vr-cost=0" } */
+
+#include "vf_binop.h"
+#include "vf_binop_data.h"
+
+#define T    float
+#define NAME sub
+
+DEF_VF_BINOP_CASE_0_WRAP (T, -, NAME)
+
+#define TEST_DATA                        TEST_BINOP_DATA_WRAP(T, NAME)
+#define TEST_RUN(T, NAME, out, in, f, n) RUN_VF_BINOP_CASE_0_WRAP(T, NAME, out, in, f, n)
+
+#include "vf_binop_run.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f64.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vf_vfsub-run-1-f64.c
new file mode 100644 (file)
index 0000000..fee8ecf
--- /dev/null
@@ -0,0 +1,15 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "--param=fpr2vr-cost=0" } */
+
+#include "vf_binop.h"
+#include "vf_binop_data.h"
+
+#define T    double
+#define NAME sub
+
+DEF_VF_BINOP_CASE_0_WRAP (T, -, NAME)
+
+#define TEST_DATA                        TEST_BINOP_DATA_WRAP(T, NAME)
+#define TEST_RUN(T, NAME, out, in, f, n) RUN_VF_BINOP_CASE_0_WRAP(T, NAME, out, in, f, n)
+
+#include "vf_binop_run.h"