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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/alpha/980217-1.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/alpha/980217-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/alpha/980217-1.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/alpha/980217-1.c b/gcc-4.9/gcc/testsuite/gcc.target/alpha/980217-1.c new file mode 100644 index 000000000..e4ecf69fd --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/alpha/980217-1.c @@ -0,0 +1,39 @@ +/* Test float on alpha. */ + +/* { dg-do run } */ +/* { dg-options "-mieee -O2" } */ + +extern void abort(void); +extern int printf(const char *, ...); + +typedef int int32_t __attribute__ ((__mode__ ( __SI__ ))) ; +typedef union +{ + float value; + int32_t word; +} ieee_float_shape_type; + +int isinff(float x) +{ + int32_t ix,t; + ieee_float_shape_type gf_u; + gf_u.value = x; + ix = gf_u.word; + printf ("%x\n", ix); + t = ix & 0x7fffffff; + t ^= 0x7f800000; + t |= -t; + return ~(t >> 31) & (1 - ((ix & 0x80000000) >> 30)); +} + +main () +{ + float x = 1.0 / 0.0; + int i = isinff (x); + + if (i == 0) + abort (); + + printf ("%d\n", i); + return 0; +} |