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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.dg/cdce2.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.dg/cdce2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/cdce2.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/cdce2.c b/gcc-4.9/gcc/testsuite/gcc.dg/cdce2.c new file mode 100644 index 000000000..a461ce7ac --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/cdce2.c @@ -0,0 +1,55 @@ +/* { dg-do run } */ +/* { dg-skip-if "doubles are floats" { "avr-*-*" } { "*" } { "" } } */ +/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details -lm" } */ +/* { dg-final { scan-tree-dump "cdce2.c:16: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/ +/* { dg-final { cleanup-tree-dump "cdce" } } */ + +#include <stdlib.h> +#include <math.h> +#include <errno.h> +int total_err_count = 0; +double foo_opt (double y) __attribute__((noinline)); +double foo_opt (double y) +{ + double yy = 0; + errno = 0; + yy = log (y); + return 0; +} + +double foo (double y) __attribute__((noinline)); +double foo (double y) +{ + double yy = 0; + errno = 0; + yy = log (y); + return yy; +} + +int test (double (*fp) (double y)) +{ + int i,x; + for (i = -100; i < 100; i++) + { + fp (i); + if (errno) + total_err_count ++; + } + + return total_err_count; +} + +int main () +{ + int en1, en2; + double yy; + total_err_count = 0; + en1 = test (foo_opt); + total_err_count = 0; + en2 = test (foo); + + if (en1 != en2) + abort(); + + return 0; +} |