diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/ieee/compare-fp-3.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/ieee/compare-fp-3.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/ieee/compare-fp-3.c b/gcc/testsuite/gcc.c-torture/execute/ieee/compare-fp-3.c new file mode 100644 index 000000000..03e6ff2c5 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/ieee/compare-fp-3.c @@ -0,0 +1,97 @@ +/* Copyright (C) 2004 Free Software Foundation. + + Test for composite comparison always true/false optimization. + + Written by Paolo Bonzini, 26th May 2004. */ + +extern void link_error0 (); +extern void link_error1 (); + +void +test1 (float x, float y) +{ + if ((x==y) && (x!=y)) + link_error0(); +} + +void +test2 (float x, float y) +{ + if ((x<y) && (x>y)) + link_error0(); +} + +void +test3 (float x, float y) +{ + if ((x<y) && (y<x)) + link_error0(); +} + +void +test4 (float x, float y) +{ + if ((x==y) || (x!=y)) + { + } + else + link_error1 (); +} + +void +test5 (float x, float y) +{ + if (__builtin_isunordered (x, y) || (x>=y) || (x<y)) + { + } + else + link_error1 (); +} + +void +test6 (float x, float y) +{ + if (__builtin_isunordered (y, x) || (x<=y) || (y<x)) + { + } + else + link_error1 (); +} + +void +test7 (float x, float y) +{ + if (__builtin_isunordered (x, y) || !__builtin_isunordered (x, y)) + { + } + else + link_error1 (); +} + +void +all_tests (float x, float y) +{ + test1 (x, y); + test2 (x, y); + test3 (x, y); + test4 (x, y); + test5 (x, y); + test6 (x, y); + test7 (x, y); +} + +int +main () +{ + all_tests (0, 0); + all_tests (1, 2); + all_tests (4, 3); + + return 0; +} + +#ifndef __OPTIMIZE__ +void link_error0() {} +void link_error1() {} +#endif /* ! __OPTIMIZE__ */ + |