aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/c-c++-common/Wconversion-real.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/Wconversion-real.c')
-rw-r--r--gcc-4.9/gcc/testsuite/c-c++-common/Wconversion-real.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/Wconversion-real.c b/gcc-4.9/gcc/testsuite/c-c++-common/Wconversion-real.c
new file mode 100644
index 000000000..464aab055
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/Wconversion-real.c
@@ -0,0 +1,85 @@
+/* Test for diagnostics for Wconversion for floating-point. */
+
+/* { dg-do compile } */
+/* { dg-skip-if "doubles are floats" { "avr-*-*" } { "*" } { "" } } */
+/* { dg-options "-std=c99 -Wconversion" { target c } } */
+/* { dg-options "-Wconversion" { target c++ } } */
+/* { dg-require-effective-target large_double } */
+
+float vfloat;
+double vdouble;
+long double vlongdouble;
+
+void ffloat (float f);
+void fdouble (double d);
+void flongdouble (long double ld);
+
+void h (void)
+{
+ float f = 0;
+ double d = 0;
+ long double ld = 0;
+
+ ffloat (3.1); /* { dg-warning "conversion" } */
+ vfloat = 3.1; /* { dg-warning "conversion" } */
+ ffloat (3.1L); /* { dg-warning "conversion" } */
+ vfloat = 3.1L; /* { dg-warning "conversion" } */
+ fdouble (3.1L); /* { dg-warning "conversion" "" { target large_long_double } } */
+ vdouble = 3.1L; /* { dg-warning "conversion" "" { target large_long_double } } */
+ ffloat (vdouble); /* { dg-warning "conversion" } */
+ vfloat = vdouble; /* { dg-warning "conversion" } */
+ ffloat (vlongdouble); /* { dg-warning "conversion" } */
+ vfloat = vlongdouble; /* { dg-warning "conversion" } */
+ fdouble (vlongdouble); /* { dg-warning "conversion" "" { target large_long_double } } */
+ vdouble = vlongdouble; /* { dg-warning "conversion" "" { target large_long_double } } */
+
+
+ ffloat ((float) 3.1);
+ vfloat = (float) 3.1;
+ ffloat ((float) 3.1L);
+ vfloat = (float) 3.1L;
+ fdouble ((double) 3.1L);
+ vdouble = (double) 3.1L;
+ ffloat ((float) vdouble);
+ vfloat = (float) vdouble;
+ ffloat ((float) vlongdouble);
+ vfloat = (float) vlongdouble;
+ fdouble ((double) vlongdouble);
+ vdouble = (double) vlongdouble;
+
+
+ ffloat (3.0);
+ vfloat = 3.0;
+ ffloat (3.1f);
+ vfloat = 3.1f;
+ ffloat (0.25L);
+ vfloat = 0.25L;
+
+
+ fdouble (3.0);
+ vdouble = 3.0;
+ fdouble (3.1f);
+ vdouble = 3.1f;
+ fdouble (0.25L);
+ vdouble = 0.25L;
+
+ flongdouble (3.0);
+ vlongdouble = 3.0;
+ flongdouble (3.1f);
+ vlongdouble = 3.1f;
+ flongdouble (0.25L);
+ vlongdouble = 0.25L;
+
+ ffloat (f);
+ vfloat = f;
+ fdouble (f);
+ vdouble = f;
+ fdouble (d);
+ vdouble = d;
+ flongdouble (f);
+ vlongdouble = f;
+ flongdouble (d);
+ vlongdouble = d;
+ flongdouble (ld);
+ vlongdouble = ld;
+}