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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [torture/] [builtin-integral-1.c] - Rev 149
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/* Copyright (C) 2004 Free Software Foundation. Verify that integral FP expressions are optimized. Written by Kaveh Ghazi, 2004-03-16. */ /* { dg-do link } */ /* We need -ffinite-math-only so that we can fold "foo != foo", where foo is a floating point expression. We need -fno-math-errno so that various math functions are marked const/pure and can be folded. */ /* { dg-options "-ffinite-math-only -fno-math-errno" } */ extern int link_failure (int); /* Test that the various FP truncation builtins detect integral arguments. */ #define CHECK_FN(MATHFN) \ if (__builtin_##MATHFN(i1) != i1) link_failure (__LINE__); \ if (__builtin_##MATHFN##f(i1) != i1) link_failure (__LINE__); \ if (__builtin_##MATHFN##l(i1) != i1) link_failure (__LINE__); #define CHECK_FN_RET(MATHFN, RET) \ if (__builtin_##MATHFN(i1) != (RET)(double)i1) link_failure (__LINE__); \ if (__builtin_##MATHFN##f(i1) != (RET)(float)i1) link_failure (__LINE__); \ if (__builtin_##MATHFN##l(i1) != (RET)(long double)i1) link_failure (__LINE__); /* Check that various other integral expressions are detected. */ #define CHECK_EXPR(EXPR,NAME) \ if (__builtin_ceill(EXPR) != (EXPR)) link_failure (__LINE__); \ if (__builtin_lroundl(EXPR) != (long)(long double)(EXPR)) link_failure (__LINE__); void __attribute__ ((__noinline__)) test (int i1, int i2) { CHECK_FN(ceil); CHECK_FN(floor); CHECK_FN(nearbyint); CHECK_FN(rint); CHECK_FN(round); CHECK_FN(trunc); CHECK_FN_RET(lround, long); CHECK_FN_RET(llround, long long); CHECK_FN_RET(lrint, long); CHECK_FN_RET(llrint, long long); CHECK_FN_RET(lceil, long); CHECK_FN_RET(llceil, long long); CHECK_FN_RET(lfloor, long); CHECK_FN_RET(llfloor, long long); CHECK_EXPR (5.0, REAL_CST); CHECK_EXPR (5.0F, REAL_CSTf); CHECK_EXPR (5.0L, REAL_CSTl); CHECK_EXPR ((double)i1, FLOAT_EXPR); CHECK_EXPR ((float)i1, FLOAT_EXPRf); CHECK_EXPR ((long double)i1, FLOAT_EXPRl); CHECK_EXPR (__builtin_fabs(i1), ABS_EXPR); CHECK_EXPR (__builtin_fabsf(i1), ABS_EXPRf); CHECK_EXPR (__builtin_fabsl(i1), ABS_EXPRl); CHECK_EXPR (((void)i1,(double)i2), COMPOUND_EXPR); CHECK_EXPR ((double)i1+i2, PLUS_EXPR); CHECK_EXPR ((double)i1-i2, MINUS_EXPR); CHECK_EXPR ((double)i1*i2, MULT_EXPR); } int main (void) { test (1, 2); return 0; }
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