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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [stdarg-5.c] - Rev 12
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/* This test has architecture specific function passing details. */ /* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-stdarg" } */ #include <stdarg.h> extern void foo (int, va_list); extern void bar (int); struct S1 { int i; double d; int j; double e; } s1; struct S2 { double d; long i; } s2; int y; _Complex int ci; _Complex double cd; /* Here va_arg can be executed more than once for one va_start. */ void f1 (int i, ...) { va_list ap; va_start (ap, i); while (i-- > 0) s1 = va_arg (ap, struct S1); va_end (ap); } /* { 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 } } } } */ /* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save all GPR units and 1" "stdarg" { target alpha*-*-linux* } } } */ /* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save all GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */ void f2 (int i, ...) { va_list ap; va_start (ap, i); while (i-- > 0) s2 = va_arg (ap, struct S2); va_end (ap); } /* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save all GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */ /* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save all GPR units and 1" "stdarg" { target alpha*-*-linux* } } } */ /* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save all GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */ /* Here va_arg can be executed at most as many times as va_start. */ void f3 (int i, ...) { va_list ap; int j = i; while (j-- > 0) { va_start (ap, i); s1 = va_arg (ap, struct S1); va_end (ap); bar (s1.i); } } /* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save 0 GPR units and 0 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */ /* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save 32 GPR units and 1" "stdarg" { target alpha*-*-linux* } } } */ /* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save 1 GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */ void f4 (int i, ...) { va_list ap; int j = i; while (j-- > 0) { va_start (ap, i); s2 = va_arg (ap, struct S2); y = va_arg (ap, int); va_end (ap); bar (s2.i); } } /* { dg-final { scan-tree-dump "f4: va_list escapes 0, needs to save 16 GPR units and 16 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */ /* { dg-final { scan-tree-dump "f4: va_list escapes 0, needs to save 24 GPR units and 1" "stdarg" { target alpha*-*-linux* } } } */ /* { dg-final { scan-tree-dump "f4: va_list escapes 0, needs to save 2 GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */ void f5 (int i, ...) { va_list ap; va_start (ap, i); ci = va_arg (ap, _Complex int); ci += va_arg (ap, _Complex int); va_end (ap); bar (__real__ ci + __imag__ ci); } /* { dg-final { scan-tree-dump "f5: va_list escapes 0, needs to save 16 GPR units and 0 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */ /* { dg-final { scan-tree-dump "f5: va_list escapes 0, needs to save 32 GPR units and 1" "stdarg" { target alpha*-*-linux* } } } */ /* { dg-final { scan-tree-dump "f5: va_list escapes 0, needs to save (4|2) GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */ void f6 (int i, ...) { va_list ap; va_start (ap, i); ci = va_arg (ap, _Complex int); cd = va_arg (ap, _Complex double); va_end (ap); bar (__real__ ci + __imag__ cd); } /* { dg-final { scan-tree-dump "f6: va_list escapes 0, needs to save 8 GPR units and 32 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */ /* { dg-final { scan-tree-dump "f6: va_list escapes 0, needs to save 32 GPR units and 3" "stdarg" { target alpha*-*-linux* } } } */ /* { dg-final { scan-tree-dump "f6: va_list escapes 0, needs to save (3|2) GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */ void f7 (int i, ...) { va_list ap; va_start (ap, i); cd = va_arg (ap, _Complex double); cd += va_arg (ap, _Complex double); va_end (ap); bar (__real__ cd + __imag__ cd); } /* { dg-final { scan-tree-dump "f7: va_list escapes 0, needs to save 0 GPR units and 64 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */ /* { dg-final { scan-tree-dump "f7: va_list escapes 0, needs to save 32 GPR units and 2" "stdarg" { target alpha*-*-linux* } } } */ /* { dg-final { scan-tree-dump "f7: va_list escapes 0, needs to save 2 GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */ /* { dg-final { cleanup-tree-dump "stdarg" } } */