clang/test/SemaCXX/riscv-rvv-explicit-casts-fixed-size.cpp

   1 // RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=1 -mvscale-max=1 -flax-vector-conversions=none -ffreestanding -fsyntax-only -verify %s
   2 // RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=2 -mvscale-max=2 -flax-vector-conversions=none -ffreestanding -fsyntax-only -verify %s
   3 // RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=4 -mvscale-max=4 -flax-vector-conversions=none -ffreestanding -fsyntax-only -verify %s
   4 // RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=8 -mvscale-max=8 -flax-vector-conversions=none -ffreestanding -fsyntax-only -verify %s
   5 // RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=16 -mvscale-max=16 -flax-vector-conversions=none -ffreestanding -fsyntax-only -verify %s
   6
   7 // REQUIRES: riscv-registered-target
   8
   9 // expected-no-diagnostics
  10
  11 #define FIXED_ATTR __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)))
  12
  13 typedef __rvv_int8m1_t vint8m1_t;
  14 typedef __rvv_uint8m1_t vuint8m1_t;
  15 typedef __rvv_int16m1_t vint16m1_t;
  16 typedef __rvv_uint16m1_t vuint16m1_t;
  17 typedef __rvv_int32m1_t vint32m1_t;
  18 typedef __rvv_uint32m1_t vuint32m1_t;
  19 typedef __rvv_int64m1_t vint64m1_t;
  20 typedef __rvv_uint64m1_t vuint64m1_t;
  21 typedef __rvv_float32m1_t vfloat32m1_t;
  22 typedef __rvv_float64m1_t vfloat64m1_t;
  23
  24 typedef vfloat32m1_t fixed_float32m1_t FIXED_ATTR;
  25 typedef vfloat64m1_t fixed_float64m1_t FIXED_ATTR;
  26 typedef vint32m1_t fixed_int32m1_t FIXED_ATTR;
  27 typedef vint64m1_t fixed_int64m1_t FIXED_ATTR;
  28
  29 // RVV VLS types can be cast to RVV VLA types, regardless of lane size.
  30 // NOTE: the list below is NOT exhaustive for all RVV types.
  31
  32 #define CAST(from, to) \
  33     void from##_to_##to(from a, to b) { \
  34         b = (to) a; \
  35     }
  36
  37 #define TESTCASE(ty1, ty2) \
  38     CAST(ty1, ty2) \
  39     CAST(ty2, ty1)
  40
  41 TESTCASE(fixed_float32m1_t, vfloat32m1_t)
  42 TESTCASE(fixed_float32m1_t, vfloat64m1_t)
  43 TESTCASE(fixed_float32m1_t, vint32m1_t)
  44 TESTCASE(fixed_float32m1_t, vint64m1_t)
  45
  46 TESTCASE(fixed_float64m1_t, vfloat32m1_t)
  47 TESTCASE(fixed_float64m1_t, vfloat64m1_t)
  48 TESTCASE(fixed_float64m1_t, vint32m1_t)
  49 TESTCASE(fixed_float64m1_t, vint64m1_t)
  50
  51 TESTCASE(fixed_int32m1_t, vfloat32m1_t)
  52 TESTCASE(fixed_int32m1_t, vfloat64m1_t)
  53 TESTCASE(fixed_int32m1_t, vint32m1_t)
  54 TESTCASE(fixed_int32m1_t, vint64m1_t)
  55
  56 TESTCASE(fixed_int64m1_t, vfloat32m1_t)
  57 TESTCASE(fixed_int64m1_t, vfloat64m1_t)
  58 TESTCASE(fixed_int64m1_t, vint32m1_t)
  59 TESTCASE(fixed_int64m1_t, vint64m1_t)