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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c new file mode 100644 index 000000000..ad6312b37 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c @@ -0,0 +1,29 @@ +/* Test long double on x86 and x86-64. */ + +/* { dg-do run } */ +/* { dg-options -O2 } */ + +extern void abort (void); + +__inline int +__signbitl0 (long double __x) +{ + union { long double __l; int __i[3]; } __u = { __l: __x }; + + return (__u.__i[2] & 0x8000) != 0; +} + +void +foo (long double x, long double y) +{ + long double z = x / y; + if (__signbitl0 (x) && __signbitl0 (z)) + abort (); +} + +int main() +{ + if (sizeof (long double) > sizeof (double)) + foo (-0.0, -1.0); + return 0; +} |