Viewing file:  stdarg-3.c (14.26 KB) -rw-r--r--
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/* First dg-final line after each function is for architectures that use
a struct {...} va_list[1] with separate GPR and FPR counters in the
structure. Second dg-final line is for architectures that use void *
or char * va_list. */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-stdarg" } */
#include <stdarg.h>
extern void foo (int, va_list);
extern void bar (int);
long x;
va_list gap;
/* If va_list is not local variable, it escapes the function. */
void
f1 (int i, ...)
{
va_start (gap, i);
x = va_arg (gap, long);
va_end (gap);
}
/* { dg-final { scan-tree-dump "f1: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f1: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f1: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f1: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f1: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f1: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f1: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f1: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
void
f2 (int i, ...)
{
va_start (gap, i);
bar (i);
va_end (gap);
}
/* { dg-final { scan-tree-dump "f2: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f2: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f2: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f2: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f2: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f2: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f2: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f2: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
/* tree-stdarg.c only handles va_list variables, not arrays of them or
va_list fields embedded in structures. */
void
f3 (int i, ...)
{
va_list aps[10];
va_start (aps[4], i);
x = va_arg (aps[4], long);
va_end (aps[4]);
}
/* { dg-final { scan-tree-dump "f3: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f3: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f3: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f3: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f3: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f3: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f3: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f3: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
void
f4 (int i, ...)
{
va_list aps[10];
va_start (aps[4], i);
bar (i);
va_end (aps[4]);
}
/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
void
f5 (int i, ...)
{
va_list aps[10];
va_start (aps[4], i);
foo (i, aps[4]);
va_end (aps[4]);
}
/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
struct A { int i; va_list g; va_list h[2]; };
void
f6 (int i, ...)
{
struct A a;
va_start (a.g, i);
x = va_arg (a.g, long);
va_end (a.g);
}
/* { dg-final { scan-tree-dump "f6: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f6: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f6: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f6: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f6: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f6: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f6: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f6: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
void
f7 (int i, ...)
{
struct A a;
va_start (a.g, i);
bar (i);
va_end (a.g);
}
/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
void
f8 (int i, ...)
{
struct A a;
va_start (a.g, i);
foo (i, a.g);
va_end (a.g);
}
/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
void
f10 (int i, ...)
{
struct A a;
va_start (a.h[1], i);
x = va_arg (a.h[1], long);
va_end (a.h[1]);
}
/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
void
f11 (int i, ...)
{
struct A a;
va_start (a.h[1], i);
bar (i);
va_end (a.h[1]);
}
/* { dg-final { scan-tree-dump "f11: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f11: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f11: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f11: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f11: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f11: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f11: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f11: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
void
f12 (int i, ...)
{
struct A a;
va_start (a.h[1], i);
foo (i, a.h[1]);
va_end (a.h[1]);
}
/* { dg-final { scan-tree-dump "f12: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } } } */
/* { dg-final { scan-tree-dump "f12: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "f12: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f12: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "f12: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "f12: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "f12: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "f12: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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