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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| 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/readeflags-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/readeflags-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/readeflags-1.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/readeflags-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/readeflags-1.c new file mode 100644 index 000000000..6b2fa7e8d --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/readeflags-1.c @@ -0,0 +1,40 @@ +/* { dg-do run } */ +/* { dg-options "-O0" } */ + +#include <x86intrin.h> + +#ifdef __x86_64__ +#define EFLAGS_TYPE unsigned long long int +#else +#define EFLAGS_TYPE unsigned int +#endif + +static EFLAGS_TYPE +readeflags_test (unsigned int a, unsigned int b) +{ + unsigned x = (a == b); + return __readeflags (); +} + +int +main () +{ + EFLAGS_TYPE flags; + + flags = readeflags_test (100, 100); + + if ((flags & 1) != 0) /* Read CF */ + abort (); + + flags = readeflags_test (100, 101); + + if ((flags & 1) == 0) /* Read CF */ + abort (); + +#ifdef DEBUG + printf ("PASSED\n"); +#endif + + return 0; +} + |