initial commit

2026-07-18 20:34:55 +02:00
commit 59ad004c96
474 changed files with 226635 additions and 0 deletions
@@ -0,0 +1,329 @@
+#include <assert.h>
+#include <string.h>
+
+struct A
+{
+	char	a, b;
+	int		c;
+	long	d;
+};
+
+struct B
+{
+	char	a[3], b;
+	int		c;
+	long	d;
+};
+
+__noinline void ssplit1(char t)
+{
+	A 	x;
+	x.a = 12;
+	x.b = 43;
+	x.c = 100;
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a++;
+	}
+	assert(x.c == t * 10 + 100);
+	assert(x.a == 22);
+}
+
+__noinline void ssplit2(char t)
+{
+	A 	x, y;
+	x.a = 12;
+	x.b = 43;
+	x.c = 100;
+	y.a = 12;
+	char * q = &y.a;
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a++;
+	}
+	assert(x.c == t * 10 + 100);
+	assert(x.a == 22);
+	assert(*q == 12);
+}
+
+
+__noinline void nossplit1(char t)
+{
+	A 	x, y;
+	x.a = 12;
+	x.b = 43;
+	x.c = 100;
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a++;
+	}
+	y = x;
+	assert(y.c == t * 10 + 100);
+	assert(y.a == 22);
+}
+
+__noinline void nossplit2(char t)
+{
+	A 	x, y;
+	x.a = 12;
+	x.b = 43;
+	x.c = 100;
+	y = x;
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a++;
+	}
+	assert(x.c == t * 10 + 100);
+	assert(x.a == 22);
+}
+
+__noinline void nossplit3(char t)
+{
+	A 	x;
+	x.a = 12;
+	x.b = 43;
+	x.c = 100;
+	char * q = &x.a;
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a++;
+	}
+	assert(x.c == t * 10 + 100);
+	assert(*q == 22);
+}
+
+__noinline void nossplit4(char t)
+{
+	A 	x = {12, 43, 100};
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a++;
+	}
+	assert(x.c == t * 10 + 100);
+	assert(x.a == 22);
+}
+
+__noinline void asplit1(char t)
+{
+	int 	x[4];
+	x[0] = 12;
+	x[1] = 43;
+	x[2] = 100;
+	for(int i=0; i<10; i++)
+	{
+		x[2] += t;
+		x[0]++;
+	}
+	assert(x[2] == t * 10 + 100);
+	assert(x[0] == 22);
+}
+
+__noinline void asplit2(char t)
+{
+	int 	x[4], y[4];
+	x[0] = 12;
+	x[1] = 43;
+	x[2] = 100;
+	y[0] = 12;
+	int * q = &y[0];
+	for(int i=0; i<10; i++)
+	{
+		x[2] += t;
+		x[0]++;
+	}
+	assert(x[2] == t * 10 + 100);
+	assert(x[0] == 22);
+	assert(*q == 12);
+}
+
+
+__noinline void noasplit1(char t)
+{
+	int 	x[4], y[4];
+	x[0] = 12;
+	x[1] = 43;
+	x[2] = 100;
+	for(int i=0; i<10; i++)
+	{
+		x[2] += t;
+		x[0]++;
+	}
+	memcpy(y, x, sizeof(y));
+	assert(y[2] == t * 10 + 100);
+	assert(y[0] == 22);
+}
+
+__noinline void noasplit2(char t)
+{
+	int 	x[4], y[4];
+	x[0] = 12;
+	x[1] = 43;
+	x[2] = 100;
+	memcpy(y, x, sizeof(y));
+	for(int i=0; i<10; i++)
+	{
+		x[2] += t;
+		x[0]++;
+	}
+	assert(x[2] == t * 10 + 100);
+	assert(x[0] == 22);
+}
+
+__noinline void noasplit3(char t)
+{
+	int 	x[4];
+	x[0] = 12;
+	x[1] = 43;
+	x[2] = 100;
+	int * q = &x[0];
+	for(int i=0; i<10; i++)
+	{
+		x[2] += t;
+		x[0]++;
+	}
+	assert(x[2] == t * 10 + 100);
+	assert(*q == 22);
+}
+
+__noinline void noasplit4(char t)
+{
+	int 	x[4] = {12, 43, 100};
+	for(int i=0; i<10; i++)
+	{
+		x[2] += t;
+		x[0]++;
+	}
+	assert(x[2] == t * 10 + 100);
+	assert(x[0] == 22);
+}
+
+
+__noinline void sasplit1(char t)
+{
+	B 	x;
+	x.a[1] = 12;
+	x.b = 43;
+	x.c = 100;
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a[1]++;
+	}
+	assert(x.c == t * 10 + 100);
+	assert(x.a[1] == 22);
+}
+
+__noinline void sasplit2(char t)
+{
+	B 	x, y;
+	x.a[1] = 12;
+	x.b = 43;
+	x.c = 100;
+	y.a[1] = 12;
+	char * q = &y.a[1];
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a[1]++;
+	}
+	assert(x.c == t * 10 + 100);
+	assert(x.a[1] == 22);
+	assert(*q == 12);
+}
+
+
+__noinline void nosasplit1(char t)
+{
+	B 	x, y;
+	x.a[1] = 12;
+	x.b = 43;
+	x.c = 100;
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a[1]++;
+	}
+	y = x;
+	assert(y.c == t * 10 + 100);
+	assert(y.a[1] == 22);
+}
+
+__noinline void nosasplit2(char t)
+{
+	B 	x, y;
+	x.a[1] = 12;
+	x.b = 43;
+	x.c = 100;
+	y = x;
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a[1]++;
+	}
+	assert(x.c == t * 10 + 100);
+	assert(x.a[1] == 22);
+}
+
+__noinline void nosasplit3(char t)
+{
+	B 	x;
+	x.a[1] = 12;
+	x.b = 43;
+	x.c = 100;
+	char * q = &x.a[1];
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a[1]++;
+	}
+	assert(x.c == t * 10 + 100);
+	assert(*q == 22);
+}
+
+__noinline void nosasplit4(char t)
+{
+	B 	x = {{4, 12, 7}, 43, 100};
+	for(int i=0; i<10; i++)
+	{
+		x.c += t;
+		x.a[1]++;
+	}
+	assert(x.c == t * 10 + 100);
+	assert(x.a[1] == 22);
+}
+
+
+int main(void)
+{
+	ssplit1(11); ssplit1(33);
+	ssplit2(11); ssplit2(33);
+
+	nossplit1(11); nossplit1(33);
+	nossplit2(11); nossplit2(33);
+	nossplit3(11); nossplit3(33);
+	nossplit4(11); nossplit4(33);
+
+	asplit1(11); asplit1(33);
+	asplit2(11); asplit2(33);
+
+	noasplit1(11); noasplit1(33);
+	noasplit2(11); noasplit2(33);
+	noasplit3(11); noasplit3(33);
+	noasplit4(11); noasplit4(33);
+
+	sasplit1(11); sasplit1(33);
+	sasplit2(11); sasplit2(33);
+
+	nosasplit1(11); nosasplit1(33);
+	nosasplit2(11); nosasplit2(33);
+	nosasplit3(11); nosasplit3(33);
+	nosasplit4(11); nosasplit4(33);
+
+	return 0;
+}