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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [pr47893.c] - Rev 801
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/* PR middle-end/47893 */ /* { dg-do run } */ /* { dg-options "-O2" } */ /* { dg-options "-O2 -mtune=atom -fno-omit-frame-pointer -fno-strict-aliasing" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */ /* { dg-skip-if "Too much RAM needed" { "avr-*-*" } { "*" } { "" } } */ extern void abort (void); struct S { unsigned s1:4, s2:2, s3:2, s4:2, s5:2, s6:1, s7:1, s8:1, s9:1, s10:1; int s11:16; unsigned s12:4; int s13:16; unsigned s14:2; int s15:16; unsigned s16:4; int s17:16; unsigned s18:2; }; struct T { unsigned t[3]; }; struct U { unsigned u1, u2; }; struct V; struct W { char w1[24]; struct V *w2; unsigned w3; char w4[28912]; unsigned int w5; char w6[60]; }; struct X { unsigned int x[2]; }; struct V { int v1; struct X v2[3]; char v3[28]; }; struct Y { void *y1; char y2[3076]; struct T y3[32]; char y4[1052]; }; volatile struct S v1 = { .s15 = -1, .s16 = 15, .s17 = -1, .s18 = 3 }; __attribute__ ((noinline, noclone)) int fn1 (int x) { int r; __asm__ volatile ("" : "=r" (r) : "0" (1), "r" (x) : "memory"); return r; } volatile int cnt; __attribute__ ((noinline, noclone)) #ifdef __i386__ __attribute__ ((regparm (2))) #endif struct S fn2 (struct Y *x, const struct X *y) { if (++cnt > 1) abort (); __asm__ volatile ("" : : "r" (x), "r" (y) : "memory"); return v1; } __attribute__ ((noinline, noclone)) void fn3 (void *x, unsigned y, const struct S *z, unsigned w) { __asm__ volatile ("" : : "r" (x), "r" (y), "r" (z), "r" (w) : "memory"); } volatile struct U v2; __attribute__ ((noinline, noclone)) struct U fn4 (void *x, unsigned y) { __asm__ volatile ("" : : "r" (x), "r" (y) : "memory"); return v2; } __attribute__ ((noinline, noclone)) struct S fn5 (void *x) { __asm__ volatile ("" : : "r" (x) : "memory"); return v1; } volatile struct T v3; __attribute__ ((noinline, noclone)) struct T fn6 (void *x) { __asm__ volatile ("" : : "r" (x) : "memory"); return v3; } __attribute__ ((noinline, noclone)) struct T fn7 (void *x, unsigned y, unsigned z) { __asm__ volatile ("" : : "r" (x), "r" (y), "r" (z) : "memory"); return v3; } static void fn8 (struct Y *x, const struct V *y) { void *a = x->y1; struct S b[4]; unsigned i, c; c = fn1 (y->v1); for (i = 0; i < c; i++) b[i] = fn2 (x, &y->v2[i]); fn3 (a, y->v1, b, c); } static inline void fn9 (void *x, struct S y __attribute__((unused))) { fn4 (x, 8); } static void fn10 (struct Y *x) { void *a = x->y1; struct T b __attribute__((unused)) = fn6 (a); fn9 (a, fn5 (a)); } __attribute__((noinline, noclone)) int fn11 (unsigned int x, void *y, const struct W *z, unsigned int w, const char *v, const char *u) { struct Y a, *t; unsigned i; t = &a; __builtin_memset (t, 0, sizeof *t); t->y1 = y; if (x == 0) { if (z->w3 & 1) fn10 (t); for (i = 0; i < w; i++) { if (v[i] == 0) t->y3[i] = fn7 (y, 0, u[i]); else return 0; } } else for (i = 0; i < w; i++) t->y3[i] = fn7 (y, v[i], u[i]); for (i = 0; i < z->w5; i++) fn8 (t, &z->w2[i]); return 0; } volatile int i; const char *volatile p = ""; int main () { struct V v = { .v1 = 0 }; struct W w = { .w5 = 1, .w2 = &v }; fn11 (i + 1, (void *) p, &w, i, (const char *) p, (const char *) p); if (cnt != 1) abort (); return 0; }
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