1 // ----------------------------------------------------------------------------- 2 // Tests for the -mrvv-vector-bits flag 3 // ----------------------------------------------------------------------------- 4 5 // RUN: %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gc_zve64x \ 6 // RUN: -mrvv-vector-bits=128 2>&1 | FileCheck --check-prefix=CHECK-128 %s 7 // RUN: %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gc_zve64x \ 8 // RUN: -mrvv-vector-bits=256 2>&1 | FileCheck --check-prefix=CHECK-256 %s 9 // RUN: %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gc_zve64x \ 10 // RUN: -mrvv-vector-bits=512 2>&1 | FileCheck --check-prefix=CHECK-512 %s 11 // RUN: %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gc_zve64x \ 12 // RUN: -mrvv-vector-bits=1024 2>&1 | FileCheck --check-prefix=CHECK-1024 %s 13 // RUN: %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gc_zve64x \ 14 // RUN: -mrvv-vector-bits=2048 2>&1 | FileCheck --check-prefix=CHECK-2048 %s 15 // RUN: %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gc_zve64x \ 16 // RUN: -mrvv-vector-bits=scalable 2>&1 | FileCheck --check-prefix=CHECK-SCALABLE %s 17 18 // RUN: %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gcv_zvl256b \ 19 // RUN: -mrvv-vector-bits=zvl 2>&1 | FileCheck --check-prefix=CHECK-256 %s 20 // RUN: %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gcv_zvl512b \ 21 // RUN: -mrvv-vector-bits=zvl 2>&1 | FileCheck --check-prefix=CHECK-512 %s 22 23 // CHECK-128: "-mvscale-max=2" "-mvscale-min=2" 24 // CHECK-256: "-mvscale-max=4" "-mvscale-min=4" 25 // CHECK-512: "-mvscale-max=8" "-mvscale-min=8" 26 // CHECK-1024: "-mvscale-max=16" "-mvscale-min=16" 27 // CHECK-2048: "-mvscale-max=32" "-mvscale-min=32" 28 29 // CHECK-SCALABLE-NOT: "-mvscale-min= 30 // CHECK-SCALABLE-NOT: "-mvscale-max= 31 32 // Error out if an unsupported value is passed to -mrvv-vector-bits. 33 // ----------------------------------------------------------------------------- 34 // RUN: not %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gc_zve64x \ 35 // RUN: -mrvv-vector-bits=16 2>&1 | FileCheck --check-prefix=CHECK-BAD-VALUE-ERROR %s 36 // RUN: not %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gc_zve64x \ 37 // RUN: -mrvv-vector-bits=A 2>&1 | FileCheck --check-prefix=CHECK-BAD-VALUE-ERROR %s 38 // RUN: not %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gc_zve64x \ 39 // RUN: -mrvv-vector-bits=131072 2>&1 | FileCheck --check-prefix=CHECK-BAD-VALUE-ERROR %s 40 // RUN: not %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gc \ 41 // RUN: -mrvv-vector-bits=zvl 2>&1 | FileCheck --check-prefix=CHECK-BAD-VALUE-ERROR %s 42 // RUN: not %clang -c %s -### --target=riscv64-linux-gnu -march=rv64gcv \ 43 // RUN: -mrvv-vector-bits=64 2>&1 | FileCheck --check-prefix=CHECK-BAD-VALUE-ERROR %s 44 45 // CHECK-BAD-VALUE-ERROR: error: unsupported argument '{{.*}}' to option '-mrvv-vector-bits=' 46 47 // Error if using attribute without -mrvv-vector-bits=<bits> or if using -mrvv-vector-bits=<bits>+ syntax 48 // ----------------------------------------------------------------------------- 49 // RUN: not %clang -c %s -o /dev/null -target riscv64-linux-gnu \ 50 // RUN: -march=rv64gc_zve64x 2>&1 | FileCheck --check-prefix=CHECK-NO-FLAG-ERROR %s 51 // RUN: not %clang -c %s -o /dev/null -target riscv64-linux-gnu \ 52 // RUN: -march=rv64gc_zve64x -mrvv-vector-bits=scalable 2>&1 | FileCheck --check-prefix=CHECK-NO-FLAG-ERROR %s 53 54 typedef __rvv_int32m1_t vint32m1_t; 55 typedef vint32m1_t noflag __attribute__((riscv_rvv_vector_bits(256))); 56 57 // CHECK-NO-FLAG-ERROR: error: 'riscv_rvv_vector_bits' is only supported when '-mrvv-vector-bits=<bits>' is specified with a value of "zvl" or a power 2 in the range [64,65536] 58 59 // Error if attribute vector size != -mrvv-vector-bits 60 // ----------------------------------------------------------------------------- 61 // RUN: not %clang -c %s -o /dev/null -target riscv64-linux-gnu \ 62 // RUN: -march=rv64gc_zve64x -mrvv-vector-bits=128 2>&1 | FileCheck --check-prefix=CHECK-BAD-VECTOR-SIZE-ERROR %s 63 64 typedef vint32_t bad_vector_size __attribute__((riscv_rvv_vector_bits(256))); 65 66 // CHECK-BAD-VECTOR-SIZE-ERROR: error: invalid RVV vector size '256', expected size is '128' based on LMUL of type and '-mrvv-vector-bits' 67