diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/torture/calleesave-sse.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/torture/calleesave-sse.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/calleesave-sse.c b/gcc/testsuite/gcc.dg/torture/calleesave-sse.c new file mode 100644 index 000000000..292791c72 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/calleesave-sse.c @@ -0,0 +1,43 @@ +/* { dg-do run } */ +/* { dg-options "-fno-omit-frame-pointer" } */ + +#define alloca __builtin_alloca +extern void abort (void); + +__attribute__ ((noinline)) static double +bar (double a, double b, double c, double d, char *h) +{ + *h = 0; + return a * b + b + c; +} + +__attribute__ ((noinline)) static int +boo (double a, double b, double c, double d) +{ + return c * b + a + b; +} + +__attribute__ ((noinline)) static double +foo (double a, double b, double c, double d) +{ + int aa = boo (b, c, d, a); + return bar (a, b, c, d, (char *) alloca (aa)) + + bar (d, c, b, a, (char *) alloca (aa)); +} + +int main () +{ + double a = 2.0, b = 3.0, c = 4.0, d = 5.0; + double r1, r2; + int aa; + + aa = boo (b, c, d, a); + r1 = bar (a, b, c, d, (char *) alloca (aa)) + + bar (d, c, b, a, (char *) alloca (aa)); + r2 = foo (a, b, c, d); + + if (r1 != r2) + abort (); + return 0; +} + |