299 lines
18 KiB
C
299 lines
18 KiB
C
/* First dg-final line after each function is for architectures that use
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a struct {...} va_list[1] with separate GPR and FPR counters in the
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structure. Second dg-final line is for architectures that use void *
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or char * va_list. */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-stdarg" } */
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#include <stdarg.h>
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extern void foo (int, va_list);
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extern void bar (int);
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long x;
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double d;
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va_list gap;
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va_list *pap;
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void
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f1 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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va_end (ap);
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}
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/* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save 0 GPR units and 0 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
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/* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save 0 GPR units and 0 FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save 0 GPR units and 0 FPR units" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save 0 GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save 0 GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save 0 GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save 0 GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f2 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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bar (d);
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x = va_arg (ap, long);
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bar (x);
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va_end (ap);
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}
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/* Assume the counters can be number of registers or bytes on 32-bit
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architecture or bytes on 64-bit architecture. */
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/* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save \[148\] GPR units and 0 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
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/* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save \[148\] GPR units and 0 FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save 8 GPR units and 1" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save 1 GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save \[148\] GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save \[148\] GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save \[148\] GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f3 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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d = va_arg (ap, double);
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va_end (ap);
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}
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/* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save 0 GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
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/* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save 0 GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { powerpc*-*-linux* && { powerpc_fprs && ilp32 } } } } } */
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/* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save 0 GPR units and 1 FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save 8 GPR units and 2" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save \[1-9\]\[0-9\]* GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save \[1-9\]\[0-9\]* GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save \[1-9\]\[0-9\]* GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f4 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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x = va_arg (ap, double);
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foo (i, ap);
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va_end (ap);
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}
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/* { 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-*-* } && lp64 } } } } */
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/* { 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 } } } } */
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/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f4: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f5 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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va_copy (gap, ap);
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bar (i);
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va_end (ap);
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va_end (gap);
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}
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/* { 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-*-* } && lp64 } } } } */
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/* { 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 } } } } */
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/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f5: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f6 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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bar (d);
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va_arg (ap, long);
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va_arg (ap, long);
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x = va_arg (ap, long);
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bar (x);
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va_end (ap);
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}
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/* { dg-final { scan-tree-dump "f6: va_list escapes 0, needs to save (3|12|24) GPR units and 0 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
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/* { dg-final { scan-tree-dump "f6: va_list escapes 0, needs to save (3|12|24) GPR units and 0 FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f6: va_list escapes 0, needs to save 24 GPR units and 1" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f6: va_list escapes 0, needs to save 3 GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f6: va_list escapes 0, needs to save (3|12|24) GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f6: va_list escapes 0, needs to save (3|12|24) GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f6: va_list escapes 0, needs to save (3|12|24) GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f7 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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pap = ≈
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bar (6);
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va_end (ap);
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}
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/* { 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-*-* } && lp64 } } } } */
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/* { 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 } } } } */
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/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f7: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f8 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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pap = ≈
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bar (d);
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x = va_arg (ap, long);
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bar (x);
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va_end (ap);
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}
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/* { 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-*-* } && lp64 } } } } */
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/* { 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 } } } } */
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/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f8: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f9 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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__asm __volatile ("" : "=r" (pap) : "0" (&ap));
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bar (6);
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va_end (ap);
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}
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/* { dg-final { scan-tree-dump "f9: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
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/* { dg-final { scan-tree-dump "f9: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f9: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f9: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f9: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f9: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f9: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f10 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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__asm __volatile ("" : "=r" (pap) : "0" (&ap));
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bar (d);
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x = va_arg (ap, long);
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bar (x);
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va_end (ap);
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}
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/* { 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-*-* } && lp64 } } } } */
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/* { 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 } } } } */
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/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f10: va_list escapes 1, needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f11 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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bar (d);
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x = va_arg (ap, long);
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x += va_arg (ap, long);
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x += va_arg (ap, long);
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bar (x);
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va_end (ap);
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}
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/* { dg-final { scan-tree-dump "f11: va_list escapes 0, needs to save (3|12|24) GPR units and 0 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
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/* { dg-final { scan-tree-dump "f11: va_list escapes 0, needs to save (3|12|24) GPR units and 0 FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f11: va_list escapes 0, needs to save 24 GPR units and 1" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f11: va_list escapes 0, needs to save 3 GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f11: va_list escapes 0, needs to save (3|12|24) GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f11: va_list escapes 0, needs to save (3|12|24) GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f11: va_list escapes 0, needs to save (3|12|24) GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f12 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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bar (d);
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va_arg (ap, double);
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va_arg (ap, double);
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x = va_arg (ap, double);
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bar (x);
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va_end (ap);
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}
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/* { dg-final { scan-tree-dump "f12: va_list escapes 0, needs to save 0 GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
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/* { dg-final { scan-tree-dump "f12: va_list escapes 0, needs to save 0 GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { powerpc*-*-linux* && { powerpc_fprs && ilp32 } } } } } */
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/* { dg-final { scan-tree-dump "f12: va_list escapes 0, needs to save 24 GPR units and 2" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f12: va_list escapes 0, needs to save 0 GPR units and 3 FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f12: va_list escapes 0, needs to save \[1-9]\[0-9\]* GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f12: va_list escapes 0, needs to save \[1-9]\[0-9\]* GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f12: va_list escapes 0, needs to save \[1-9]\[0-9\]* GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f13 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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bar (d);
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x = va_arg (ap, double);
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x += va_arg (ap, double);
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x += va_arg (ap, double);
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bar (x);
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va_end (ap);
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}
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/* { dg-final { scan-tree-dump "f13: va_list escapes 0, needs to save 0 GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
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/* { dg-final { scan-tree-dump "f13: va_list escapes 0, needs to save 0 GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { powerpc*-*-linux* && { powerpc_fprs && ilp32 } } } } } */
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/* { dg-final { scan-tree-dump "f13: va_list escapes 0, needs to save 24 GPR units and 2" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f13: va_list escapes 0, needs to save 0 GPR units and 3 FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f13: va_list escapes 0, needs to save \[1-9]\[0-9\]* GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f13: va_list escapes 0, needs to save \[1-9]\[0-9\]* GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f13: va_list escapes 0, needs to save \[1-9]\[0-9\]* GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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void
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f14 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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bar (d);
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x = va_arg (ap, double);
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x += va_arg (ap, long);
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x += va_arg (ap, double);
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bar (x);
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va_end (ap);
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}
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/* { dg-final { scan-tree-dump "f14: va_list escapes 0, needs to save \[148\] GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
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/* { dg-final { scan-tree-dump "f14: va_list escapes 0, needs to save \[148\] GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { powerpc*-*-linux* && { powerpc_fprs && ilp32 } } } } } */
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/* { dg-final { scan-tree-dump "f14: va_list escapes 0, needs to save 24 GPR units and 3" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f14: va_list escapes 0, needs to save 1 GPR units and 2 FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f14: va_list escapes 0, needs to save \[1-9]\[0-9\]* GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump "f14: va_list escapes 0, needs to save \[1-9]\[0-9\]* GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump "f14: va_list escapes 0, needs to save \[1-9]\[0-9\]* GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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inline void __attribute__((always_inline))
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f15_1 (va_list ap)
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{
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x = va_arg (ap, double);
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x += va_arg (ap, long);
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x += va_arg (ap, double);
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}
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void
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f15 (int i, ...)
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{
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va_list ap;
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va_start (ap, i);
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f15_1 (ap);
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va_end (ap);
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}
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/* { dg-final { scan-tree-dump "f15: va_list escapes 0, needs to save \[148\] GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
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/* { dg-final { scan-tree-dump "f15: va_list escapes 0, needs to save \[148\] GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { powerpc*-*-linux* && { powerpc_fprs && ilp32 } } } } } */
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/* { dg-final { scan-tree-dump "f15: va_list escapes 1, needs to save all GPR units and all FPR units" "stdarg" { target alpha*-*-linux* } } } */
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/* { dg-final { scan-tree-dump "f15: va_list escapes 0, needs to save 1 GPR units and 2 FPR units" "stdarg" { target s390*-*-linux* } } } */
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/* { dg-final { scan-tree-dump-not "f15: va_list escapes 0, needs to save 0 GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */
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/* { dg-final { scan-tree-dump-not "f15: va_list escapes 0, needs to save 0 GPR units" "stdarg" { target ia64-*-* } } } */
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/* { dg-final { scan-tree-dump-not "f15: va_list escapes 0, needs to save 0 GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */
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/* { dg-final { cleanup-tree-dump "stdarg" } } */
|