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/* Copyright (C) 2004 Free Software Foundation.
Verify that built-in math function conversion into integer rounding
functions is correctly performed by the compiler.
Written by Kaveh ghazi, 2004-04-26. */
/* { dg-do link } */
/* { dg-options "-ffast-math" } */
/* { dg-add-options c99_runtime } */
#include "../builtins-config.h"
/* Macro to do all FP type combinations. The second half tests
narrowing the FP type. */
#define TEST_FP2FIXED(FN1, FN2) \
extern void link_error_##FN1##_##FN2(void); \
extern void link_error_##FN1##f_##FN2##f(void); \
extern void link_error_##FN1##l_##FN2##l(void); \
extern void link_error_##FN1##_l##FN2(void); \
extern void link_error_##FN1##f_l##FN2##f(void); \
extern void link_error_##FN1##l_l##FN2##l(void); \
if ((long)__builtin_##FN1(d) != __builtin_##FN2(d)) \
link_error_##FN1##_##FN2(); \
if ((long)__builtin_##FN1##f(f) != __builtin_##FN2##f(f)) \
link_error_##FN1##f_##FN2##f(); \
if ((long)__builtin_##FN1##l(ld) != __builtin_##FN2##l(ld)) \
link_error_##FN1##l_##FN2##l(); \
if ((long long)__builtin_##FN1(d) != __builtin_l##FN2(d)) \
link_error_##FN1##_l##FN2(); \
if ((long long)__builtin_##FN1##f(f) != __builtin_l##FN2##f(f)) \
link_error_##FN1##f_l##FN2##f(); \
if ((long long)__builtin_##FN1##l(ld) != __builtin_l##FN2##l(ld)) \
link_error_##FN1##l_l##FN2##l(); \
extern void link_error_##FN1##_##FN2##f(void); \
extern void link_error_##FN1##l_##FN2(void); \
extern void link_error_##FN1##l_##FN2##f(void); \
extern void link_error_##FN1##_l##FN2##f(void); \
extern void link_error_##FN1##l_l##FN2(void); \
extern void link_error_##FN1##l_l##FN2##f(void); \
if (sizeof(double) > sizeof(float) \
&& (long)__builtin_##FN1(f) != __builtin_##FN2##f(f)) \
link_error_##FN1##_##FN2##f(); \
if (sizeof(long double) > sizeof(double) \
&& (long)__builtin_##FN1##l(d) != __builtin_##FN2(d)) \
link_error_##FN1##l_##FN2(); \
if (sizeof(long double) > sizeof(float) \
&& (long)__builtin_##FN1##l(f) != __builtin_##FN2##f(f)) \
link_error_##FN1##l_##FN2##f(); \
if (sizeof(double) > sizeof(float) \
&& (long long)__builtin_##FN1(f) != __builtin_l##FN2##f(f)) \
link_error_##FN1##_l##FN2##f(); \
if (sizeof(long double) > sizeof(double) \
&& (long long)__builtin_##FN1##l(d) != __builtin_l##FN2(d)) \
link_error_##FN1##l_l##FN2(); \
if (sizeof(long double) > sizeof(float) \
&& (long long)__builtin_##FN1##l(f) != __builtin_l##FN2##f(f)) \
link_error_##FN1##l_l##FN2##f()
void __attribute__ ((__noinline__)) foo (double d, float f, long double ld)
{
#ifdef __OPTIMIZE__
# ifdef HAVE_C99_RUNTIME
/* The resulting transformation functions are all C99. */
TEST_FP2FIXED (ceil, lceil);
TEST_FP2FIXED (floor, lfloor);
TEST_FP2FIXED (round, lround);
TEST_FP2FIXED (nearbyint, lrint);
TEST_FP2FIXED (rint, lrint);
# endif
#endif
}
int main()
{
foo (1.0, 2.0, 3.0);
return 0;
}
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