gcc/testsuite/c-c++-common/pr41779.c

   1 /* PR41779: Wconversion cannot see through real*integer promotions. */
   2 /* { dg-do compile } */
   3 /* { dg-skip-if "doubles are floats" { "avr-*-*" } } */
   4 /* { dg-options "-std=c99 -Wconversion" { target c } } */
   5 /* { dg-options "-Wconversion" { target c++ } } */
   6 /* { dg-require-effective-target large_double } */
   7
   8 float f1(float x, unsigned short y)
   9 {
  10   return x * y;
  11 }
  12
  13 float f2(float x, short y)
  14 {
  15   return x * y;
  16 }
  17
  18 float f3(float x, char y)
  19 {
  20   return x * y;
  21 }
  22
  23 float f4(float x, unsigned char y)
  24 {
  25   return x * y;
  26 }
  27
  28 float f5(float x, int y)
  29 {
  30   return x * y; /* { dg-warning "conversion" } */
  31 }
  32
  33 double c1(float x, unsigned short y, int z)
  34 {
  35   return z ? x + x : y;
  36 }
  37
  38 double c2(float x, short y, int z)
  39 {
  40   return z ? x + x : y;
  41 }
  42
  43 double c3(float x, char y, int z)
  44 {
  45   return z ? x + x : y;
  46 }
  47
  48 double c4(float x, unsigned char y, int z)
  49 {
  50   return z ? x + x : y;
  51 }
  52
  53 double c5(float x, int y, int z)
  54 {
  55   return z ? x + x : y; /* { dg-warning "conversion" } */
  56 }