clang/test/Headers/x86-header-warnings.c

   1 // Fix sign conversion warnings found by fsanitize=implicit-integer-sign-change
   2 // in intrinsic headers.
   3 // Preprocess file to workaround no warnings in system headers.
   4 // RUN: %clang_cc1 %s -triple x86_64-pc-linux-gnu -ffreestanding -E -CC 2>&1 \
   5 // RUN:     | %clang_cc1 -x c - -triple x86_64-pc-linux-gnu -Wsign-conversion -fsyntax-only -verify
   6 // REQUIRES: x86-registered-target
   7
   8 #include <x86intrin.h>
   9
  10 void test0(void) {
  11   // expected-no-diagnostics
  12   _MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_ON);
  13   _MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_OFF);
  14   _MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_MASK);
  15
  16   _MM_SET_EXCEPTION_STATE(_MM_EXCEPT_INVALID);
  17   _MM_SET_EXCEPTION_STATE(_MM_EXCEPT_DENORM);
  18   _MM_SET_EXCEPTION_STATE(_MM_EXCEPT_DIV_ZERO);
  19   _MM_SET_EXCEPTION_STATE(_MM_EXCEPT_OVERFLOW);
  20   _MM_SET_EXCEPTION_STATE(_MM_EXCEPT_UNDERFLOW);
  21   _MM_SET_EXCEPTION_STATE(_MM_EXCEPT_INEXACT);
  22   _MM_SET_EXCEPTION_STATE(_MM_EXCEPT_MASK);
  23
  24   _MM_SET_EXCEPTION_MASK(_MM_MASK_INVALID);
  25   _MM_SET_EXCEPTION_MASK(_MM_MASK_DENORM);
  26   _MM_SET_EXCEPTION_MASK(_MM_MASK_DIV_ZERO);
  27   _MM_SET_EXCEPTION_MASK(_MM_MASK_OVERFLOW);
  28   _MM_SET_EXCEPTION_MASK(_MM_MASK_UNDERFLOW);
  29   _MM_SET_EXCEPTION_MASK(_MM_MASK_INEXACT);
  30   _MM_SET_EXCEPTION_MASK(_MM_MASK_MASK);
  31
  32   _MM_SET_ROUNDING_MODE(_MM_ROUND_NEAREST);
  33   _MM_SET_ROUNDING_MODE(_MM_ROUND_DOWN);
  34   _MM_SET_ROUNDING_MODE(_MM_ROUND_UP);
  35   _MM_SET_ROUNDING_MODE(_MM_ROUND_TOWARD_ZERO);
  36   _MM_SET_ROUNDING_MODE(_MM_ROUND_MASK);
  37
  38   _MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_MASK);
  39   _MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON);
  40   _MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_OFF);
  41 }