File: stdarg-6.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (36 lines) | stat: -rw-r--r-- 1,649 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
/* PR tree-optimization/56205 */
/* { dg-do compile } */
/* { dg-options "-O3 -fdump-tree-stdarg" } */

#include <stdarg.h>

int a, b;
char c[128];

static inline void
foo (int x, char const *y, va_list z)
{
  __builtin_printf ("%s %d %s", x ? "" : "foo", ++a, (y && *y) ? "bar" : "");
  if (y && *y)
    __builtin_vprintf (y, z);
}

void
bar (int x, char const *y, ...)
{
  va_list z;
  va_start (z, y);
  if (!x && *c == '\0')
    ++b;
  foo (x, y, z);
  va_end (z);
}

/* { dg-final { scan-tree-dump "bar: 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 "bar: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
/* { dg-final { scan-tree-dump "bar: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
/* { dg-final { scan-tree-dump "bar: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
/* { dg-final { scan-tree-dump "bar: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target aarch64*-*-* } } } */
/* { dg-final { scan-tree-dump "bar: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
/* { dg-final { scan-tree-dump "bar: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
/* { dg-final { scan-tree-dump "bar: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */