[clang] 6b24bdb - [RISCV] Remove some vsetvli intrinsics under Zve32*.

[Craig Topper via cfe-commits]

Author: Craig Topper
Date: 2022-10-09T20:40:38-07:00
New Revision: 6b24bdb4a5ecc2f27bfe6aa992e6686bc40c995a

URL: https://github.com/llvm/llvm-project/commit/6b24bdb4a5ecc2f27bfe6aa992e6686bc40c995a
DIFF: https://github.com/llvm/llvm-project/commit/6b24bdb4a5ecc2f27bfe6aa992e6686bc40c995a.diff

LOG: [RISCV] Remove some vsetvli intrinsics under Zve32*.

Zve32* does not support SEW=64. Or any LMUL smaller than 32/SEW.

Reviewed By: eopXD

Differential Revision: https://reviews.llvm.org/D135519

Added: 
    

Modified: 
    clang/include/clang/Basic/riscv_vector.td

Removed: 
    


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diff  --git a/clang/include/clang/Basic/riscv_vector.td b/clang/include/clang/Basic/riscv_vector.td
index 3d0a434846fca..90e18df0403e0 100644
--- a/clang/include/clang/Basic/riscv_vector.td
+++ b/clang/include/clang/Basic/riscv_vector.td
@@ -1620,7 +1620,6 @@ def vread_vwrite_csr: RVVHeader;
 // and LMUL.
 let HeaderCode =
 [{
-#define vsetvl_e8mf8(avl) __builtin_rvv_vsetvli((size_t)(avl), 0, 5)
 #define vsetvl_e8mf4(avl) __builtin_rvv_vsetvli((size_t)(avl), 0, 6)
 #define vsetvl_e8mf2(avl) __builtin_rvv_vsetvli((size_t)(avl), 0, 7)
 #define vsetvl_e8m1(avl) __builtin_rvv_vsetvli((size_t)(avl), 0, 0)
@@ -1628,25 +1627,28 @@ let HeaderCode =
 #define vsetvl_e8m4(avl) __builtin_rvv_vsetvli((size_t)(avl), 0, 2)
 #define vsetvl_e8m8(avl) __builtin_rvv_vsetvli((size_t)(avl), 0, 3)
 
-#define vsetvl_e16mf4(avl) __builtin_rvv_vsetvli((size_t)(avl), 1, 6)
 #define vsetvl_e16mf2(avl) __builtin_rvv_vsetvli((size_t)(avl), 1, 7)
 #define vsetvl_e16m1(avl) __builtin_rvv_vsetvli((size_t)(avl), 1, 0)
 #define vsetvl_e16m2(avl) __builtin_rvv_vsetvli((size_t)(avl), 1, 1)
 #define vsetvl_e16m4(avl) __builtin_rvv_vsetvli((size_t)(avl), 1, 2)
 #define vsetvl_e16m8(avl) __builtin_rvv_vsetvli((size_t)(avl), 1, 3)
 
-#define vsetvl_e32mf2(avl) __builtin_rvv_vsetvli((size_t)(avl), 2, 7)
 #define vsetvl_e32m1(avl) __builtin_rvv_vsetvli((size_t)(avl), 2, 0)
 #define vsetvl_e32m2(avl) __builtin_rvv_vsetvli((size_t)(avl), 2, 1)
 #define vsetvl_e32m4(avl) __builtin_rvv_vsetvli((size_t)(avl), 2, 2)
 #define vsetvl_e32m8(avl) __builtin_rvv_vsetvli((size_t)(avl), 2, 3)
 
+#if __riscv_v_elen >= 64
+#define vsetvl_e8mf8(avl) __builtin_rvv_vsetvli((size_t)(avl), 0, 5)
+#define vsetvl_e16mf4(avl) __builtin_rvv_vsetvli((size_t)(avl), 1, 6)
+#define vsetvl_e32mf2(avl) __builtin_rvv_vsetvli((size_t)(avl), 2, 7)
+
 #define vsetvl_e64m1(avl) __builtin_rvv_vsetvli((size_t)(avl), 3, 0)
 #define vsetvl_e64m2(avl) __builtin_rvv_vsetvli((size_t)(avl), 3, 1)
 #define vsetvl_e64m4(avl) __builtin_rvv_vsetvli((size_t)(avl), 3, 2)
 #define vsetvl_e64m8(avl) __builtin_rvv_vsetvli((size_t)(avl), 3, 3)
+#endif
 
-#define vsetvlmax_e8mf8() __builtin_rvv_vsetvlimax(0, 5)
 #define vsetvlmax_e8mf4() __builtin_rvv_vsetvlimax(0, 6)
 #define vsetvlmax_e8mf2() __builtin_rvv_vsetvlimax(0, 7)
 #define vsetvlmax_e8m1() __builtin_rvv_vsetvlimax(0, 0)
@@ -1654,23 +1656,28 @@ let HeaderCode =
 #define vsetvlmax_e8m4() __builtin_rvv_vsetvlimax(0, 2)
 #define vsetvlmax_e8m8() __builtin_rvv_vsetvlimax(0, 3)
 
-#define vsetvlmax_e16mf4() __builtin_rvv_vsetvlimax(1, 6)
 #define vsetvlmax_e16mf2() __builtin_rvv_vsetvlimax(1, 7)
 #define vsetvlmax_e16m1() __builtin_rvv_vsetvlimax(1, 0)
 #define vsetvlmax_e16m2() __builtin_rvv_vsetvlimax(1, 1)
 #define vsetvlmax_e16m4() __builtin_rvv_vsetvlimax(1, 2)
 #define vsetvlmax_e16m8() __builtin_rvv_vsetvlimax(1, 3)
 
-#define vsetvlmax_e32mf2() __builtin_rvv_vsetvlimax(2, 7)
 #define vsetvlmax_e32m1() __builtin_rvv_vsetvlimax(2, 0)
 #define vsetvlmax_e32m2() __builtin_rvv_vsetvlimax(2, 1)
 #define vsetvlmax_e32m4() __builtin_rvv_vsetvlimax(2, 2)
 #define vsetvlmax_e32m8() __builtin_rvv_vsetvlimax(2, 3)
 
+#if __riscv_v_elen >= 64
+#define vsetvlmax_e8mf8() __builtin_rvv_vsetvlimax(0, 5)
+#define vsetvlmax_e16mf4() __builtin_rvv_vsetvlimax(1, 6)
+#define vsetvlmax_e32mf2() __builtin_rvv_vsetvlimax(2, 7)
+
 #define vsetvlmax_e64m1() __builtin_rvv_vsetvlimax(3, 0)
 #define vsetvlmax_e64m2() __builtin_rvv_vsetvlimax(3, 1)
 #define vsetvlmax_e64m4() __builtin_rvv_vsetvlimax(3, 2)
 #define vsetvlmax_e64m8() __builtin_rvv_vsetvlimax(3, 3)
+#endif
+
 }] in
 def vsetvl_macro: RVVHeader;