1 /* Copyright (C) 2004 Free Software Foundation.
3 Verify that built-in math function conversion into integer rounding
4 functions is correctly performed by the compiler.
6 Written by Kaveh ghazi, 2004-04-26. */
9 /* { dg-options "-ffast-math" } */
10 /* { dg-options "-ffast-math -mmacosx-version-min=10.3" { target powerpc-*-darwin* } } */
11 /* { dg-options "-ffast-math -std=c99" { target *-*-solaris2* } } */
13 #include "../builtins-config.h"
15 /* Macro to do all FP type combinations. The second half tests
16 narrowing the FP type. */
17 #define TEST_FP2FIXED(FN1, FN2) \
18 extern void link_error_##FN1##_##FN2(void); \
19 extern void link_error_##FN1##f_##FN2##f(void); \
20 extern void link_error_##FN1##l_##FN2##l(void); \
21 extern void link_error_##FN1##_l##FN2(void); \
22 extern void link_error_##FN1##f_l##FN2##f(void); \
23 extern void link_error_##FN1##l_l##FN2##l(void); \
24 if ((long)__builtin_##FN1(d) != __builtin_##FN2(d)) \
25 link_error_##FN1##_##FN2(); \
26 if ((long)__builtin_##FN1##f(f) != __builtin_##FN2##f(f)) \
27 link_error_##FN1##f_##FN2##f(); \
28 if ((long)__builtin_##FN1##l(ld) != __builtin_##FN2##l(ld)) \
29 link_error_##FN1##l_##FN2##l(); \
30 if ((long long)__builtin_##FN1(d) != __builtin_l##FN2(d)) \
31 link_error_##FN1##_l##FN2(); \
32 if ((long long)__builtin_##FN1##f(f) != __builtin_l##FN2##f(f)) \
33 link_error_##FN1##f_l##FN2##f(); \
34 if ((long long)__builtin_##FN1##l(ld) != __builtin_l##FN2##l(ld)) \
35 link_error_##FN1##l_l##FN2##l(); \
36 extern void link_error_##FN1##_##FN2##f(void); \
37 extern void link_error_##FN1##l_##FN2(void); \
38 extern void link_error_##FN1##l_##FN2##f(void); \
39 extern void link_error_##FN1##_l##FN2##f(void); \
40 extern void link_error_##FN1##l_l##FN2(void); \
41 extern void link_error_##FN1##l_l##FN2##f(void); \
42 if (sizeof(double) > sizeof(float) \
43 && (long)__builtin_##FN1(f) != __builtin_##FN2##f(f)) \
44 link_error_##FN1##_##FN2##f(); \
45 if (sizeof(long double) > sizeof(double) \
46 && (long)__builtin_##FN1##l(d) != __builtin_##FN2(d)) \
47 link_error_##FN1##l_##FN2(); \
48 if (sizeof(long double) > sizeof(float) \
49 && (long)__builtin_##FN1##l(f) != __builtin_##FN2##f(f)) \
50 link_error_##FN1##l_##FN2##f(); \
51 if (sizeof(double) > sizeof(float) \
52 && (long long)__builtin_##FN1(f) != __builtin_l##FN2##f(f)) \
53 link_error_##FN1##_l##FN2##f(); \
54 if (sizeof(long double) > sizeof(double) \
55 && (long long)__builtin_##FN1##l(d) != __builtin_l##FN2(d)) \
56 link_error_##FN1##l_l##FN2(); \
57 if (sizeof(long double) > sizeof(float) \
58 && (long long)__builtin_##FN1##l(f) != __builtin_l##FN2##f(f)) \
59 link_error_##FN1##l_l##FN2##f()
61 void __attribute__ ((__noinline__)) foo (double d, float f, long double ld)
64 # ifdef HAVE_C99_RUNTIME
65 /* The resulting transformation functions are all C99. */
66 TEST_FP2FIXED (ceil, lceil);
67 TEST_FP2FIXED (floor, lfloor);
68 TEST_FP2FIXED (round, lround);
69 TEST_FP2FIXED (nearbyint, lrint);
70 TEST_FP2FIXED (rint, lrint);