Viewing file:  ldist-19.c (1 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do compile } */
/* { dg-options "-O3 -fno-ipa-icf -fdump-tree-ldist-details" } */
struct Foo
{
char a;
};
struct Foo x[256];
static void __attribute__((noinline,noclone))
foo()
{
int i;
for (i = 0; i < 256; ++i)
x[i] = (struct Foo){};
}
static void __attribute__((noinline,noclone))
bar()
{
int i;
for (i = 0; i < 256; ++i)
x[i].a = 1;
}
static void __attribute__((noinline,noclone))
foobar(unsigned char c)
{
int i;
for (i = 0; i < 256; ++i)
x[i].a = c;
}
static void __attribute__((noinline,noclone))
foobar2(char c)
{
int i;
for (i = 0; i < 256; ++i)
x[i].a = c;
}
struct Baz
{
short a;
};
struct Baz y[256];
static void __attribute__((noinline,noclone))
baz()
{
int i;
for (i = 0; i < 256; ++i)
y[i].a = -1;
}
int main()
{
volatile int x;
foo();
bar();
foobar(x);
foobar2(x);
baz();
return 0;
}
/* { dg-final { scan-tree-dump-times "generated memset zero" 1 "ldist" } } */
/* { dg-final { scan-tree-dump-times "generated memset" 5 "ldist" } } */
|
