diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/ieee/mzero3.c | 51 |
2 files changed, 53 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 436926d5b58..970342e558b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,7 @@ 2002-09-20 Hans-Peter Nilsson <hp@bitrange.com> + * gcc.c-torture/execute/ieee/mzero3.c: New test. + * lib/scanasm.exp (scan-assembler-dem, scan-assembler-dem-not): Adjust for c++filt moved to binutils. Remove spurious duplicate setting of cxxfilt. diff --git a/gcc/testsuite/gcc.c-torture/execute/ieee/mzero3.c b/gcc/testsuite/gcc.c-torture/execute/ieee/mzero3.c new file mode 100644 index 00000000000..fdfb8a11813 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/ieee/mzero3.c @@ -0,0 +1,51 @@ +/* Copyright (C) 2002 Free Software Foundation. + by Hans-Peter Nilsson <hp@bitrange.com>, derived from mzero2.c + + In the MMIX port, negdf2 was bogusly expanding -x into 0 - x. */ + +double nzerod = -0.0; +float nzerof = -0.0; +double zerod = 0.0; +float zerof = 0.0; + +void expectd (double, double); +void expectf (float, float); +double negd (double); +float negf (float); + +main () +{ + expectd (negd (zerod), nzerod); + expectf (negf (zerof), nzerof); + expectd (negd (nzerod), zerod); + expectf (negf (nzerof), zerof); + exit (0); +} + +void +expectd (double value, double expected) +{ + if (value != expected + || memcmp ((void *)&value, (void *) &expected, sizeof (double)) != 0) + abort (); +} + +void +expectf (float value, float expected) +{ + if (value != expected + || memcmp ((void *)&value, (void *) &expected, sizeof (float)) != 0) + abort (); +} + +double +negd (double v) +{ + return -v; +} + +float +negf (float v) +{ + return -v; +} |
