clang/test/Sema/aarch64-sve-explicit-casts-fixed-size.c

   1 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -mvscale-min=1 -mvscale-max=1 -flax-vector-conversions=none -fallow-half-arguments-and-returns -ffreestanding -fsyntax-only -verify %s
   2 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -mvscale-min=2 -mvscale-max=2 -flax-vector-conversions=none -fallow-half-arguments-and-returns -ffreestanding -fsyntax-only -verify %s
   3 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -mvscale-min=4 -mvscale-max=4 -flax-vector-conversions=none -fallow-half-arguments-and-returns -ffreestanding -fsyntax-only -verify %s
   4 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -mvscale-min=8 -mvscale-max=8 -flax-vector-conversions=none -fallow-half-arguments-and-returns -ffreestanding -fsyntax-only -verify %s
   5 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -mvscale-min=16 -mvscale-max=16 -flax-vector-conversions=none -fallow-half-arguments-and-returns -ffreestanding -fsyntax-only -verify %s
   6
   7 // expected-no-diagnostics
   8
   9 // REQUIRES: aarch64-registered-target || arm-registered-target
  10
  11 #include <arm_sve.h>
  12
  13 #define N __ARM_FEATURE_SVE_BITS
  14 #define FIXED_ATTR __attribute__((arm_sve_vector_bits(N)))
  15
  16 typedef svfloat32_t fixed_float32_t FIXED_ATTR;
  17 typedef svfloat64_t fixed_float64_t FIXED_ATTR;
  18 typedef svint32_t fixed_int32_t FIXED_ATTR;
  19 typedef svint64_t fixed_int64_t FIXED_ATTR;
  20
  21 // SVE VLSTs can be cast to SVE VLATs, regardless of lane size.
  22 // NOTE: the list below is NOT exhaustive for all SVE types.
  23
  24 #define CAST(from, to) \
  25     void from##_to_##to(from a, to b) { \
  26         b = (to) a; \
  27     }
  28
  29 #define TESTCASE(ty1, ty2) \
  30     CAST(ty1, ty2) \
  31     CAST(ty2, ty1)
  32
  33 TESTCASE(fixed_float32_t, svfloat32_t)
  34 TESTCASE(fixed_float32_t, svfloat64_t)
  35 TESTCASE(fixed_float32_t, svint32_t)
  36 TESTCASE(fixed_float32_t, svint64_t)
  37
  38 TESTCASE(fixed_float64_t, svfloat32_t)
  39 TESTCASE(fixed_float64_t, svfloat64_t)
  40 TESTCASE(fixed_float64_t, svint32_t)
  41 TESTCASE(fixed_float64_t, svint64_t)
  42
  43 TESTCASE(fixed_int32_t, svfloat32_t)
  44 TESTCASE(fixed_int32_t, svfloat64_t)
  45 TESTCASE(fixed_int32_t, svint32_t)
  46 TESTCASE(fixed_int32_t, svint64_t)
  47
  48 TESTCASE(fixed_int64_t, svfloat32_t)
  49 TESTCASE(fixed_int64_t, svfloat64_t)
  50 TESTCASE(fixed_int64_t, svint32_t)
  51 TESTCASE(fixed_int64_t, svint64_t)