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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [cdce2.c] - Rev 307
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/* { dg-do run } */ /* { dg-skip-if "doubles are floats" { "avr-*-*" } { "*" } { "" } } */ /* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details -lm" } */ /* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details" { target *-*-netware* } } */ /* { dg-final { scan-tree-dump "cdce2.c:17: 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; }
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