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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/signbit-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/signbit-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/signbit-1.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/signbit-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/signbit-1.c new file mode 100644 index 000000000..3f31f5e2d --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/signbit-1.c @@ -0,0 +1,29 @@ +/* PR optimization/8746 */ +/* { dg-do run } */ +/* { dg-require-effective-target ia32 } */ +/* { dg-options "-O1 -mtune=i586" } */ + +extern void abort (void); + +unsigned char r0; + +int foo(int x) +{ + unsigned char r = x&0xf0; + + if (!(r&0x80)) + { + r0 = r; + return 0; + } + else + return 1; +} + +int main(void) +{ + if (foo(0x80) != 1) + abort(); + + return 0; +} |