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