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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [powerpc/] [ppc64-abi-1.c] - Rev 322
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/* { dg-do run { target { powerpc*-*-* && lp64 } } } */ /* { dg-options "-O2" } */ #include <stdarg.h> #include <signal.h> #include <stdio.h> /* Testcase to check for ABI compliance of parameter passing for the PowerPC64 ABI. Parameter passing of integral and floating point is tested. */ extern void abort (void); typedef struct { unsigned long gprs[8]; double fprs[13]; } reg_parms_t; reg_parms_t gparms; /* Testcase could break on future gcc's, if parameter regs are changed before this asm. */ #ifndef __MACH__ #define save_parms(lparms) \ asm volatile ("ld 11,gparms@got(2)\n\t" \ "std 3,0(11)\n\t" \ "std 4,8(11)\n\t" \ "std 5,16(11)\n\t" \ "std 6,24(11)\n\t" \ "std 7,32(11)\n\t" \ "std 8,40(11)\n\t" \ "std 9,48(11)\n\t" \ "std 10,56(11)\n\t" \ "stfd 1,64(11)\n\t" \ "stfd 2,72(11)\n\t" \ "stfd 3,80(11)\n\t" \ "stfd 4,88(11)\n\t" \ "stfd 5,96(11)\n\t" \ "stfd 6,104(11)\n\t" \ "stfd 7,112(11)\n\t" \ "stfd 8,120(11)\n\t" \ "stfd 9,128(11)\n\t" \ "stfd 10,136(11)\n\t" \ "stfd 11,144(11)\n\t" \ "stfd 12,152(11)\n\t" \ "stfd 13,160(11)\n\t":::"11", "memory"); \ lparms = gparms; #else #define save_parms(lparms) \ asm volatile ("ld r11,gparms@got(r2)\n\t" \ "std r3,0(r11)\n\t" \ "std r4,8(r11)\n\t" \ "std r5,16(r11)\n\t" \ "std r6,24(r11)\n\t" \ "std r7,32(r11)\n\t" \ "std r8,40(r11)\n\t" \ "std r9,48(r11)\n\t" \ "std r10,56(r11)\n\t" \ "stfd f1,64(r11)\n\t" \ "stfd f2,72(r11)\n\t" \ "stfd f3,80(r11)\n\t" \ "stfd f4,88(r11)\n\t" \ "stfd f5,96(r11)\n\t" \ "stfd f6,104(r11)\n\t" \ "stfd f7,112(r11)\n\t" \ "stfd f8,120(r11)\n\t" \ "stfd f9,128(r11)\n\t" \ "stfd f10,136(r11)\n\t" \ "stfd f11,144(r11)\n\t" \ "stfd f12,152(r11)\n\t" \ "stfd f13,160(r11)\n\t":::"r11", "memory"); \ lparms = gparms; #endif /* Stackframe structure relevant for parameter passing. */ typedef union { double d; unsigned long l; unsigned int i[2]; } parm_t; typedef struct sf { struct sf *backchain; long a1; long a2; long a3; long a4; long a5; parm_t slot[100]; } stack_frame_t; /* Paramter passing. s : gpr 3 l : gpr 4 d : fpr 1 */ void __attribute__ ((noinline)) fcld (char *s, long l, double d) { reg_parms_t lparms; save_parms (lparms); if (s != (char *) lparms.gprs[0]) abort (); if (l != lparms.gprs[1]) abort (); if (d != lparms.fprs[0]) abort (); } /* Paramter passing. s : gpr 3 l : gpr 4 d : fpr 2 i : gpr 5 */ void __attribute__ ((noinline)) fcldi (char *s, long l, double d, signed int i) { reg_parms_t lparms; save_parms (lparms); if (s != (char *) lparms.gprs[0]) abort (); if (l != lparms.gprs[1]) abort (); if (d != lparms.fprs[0]) abort (); if ((signed long) i != lparms.gprs[3]) abort (); } /* Paramter passing. s : gpr 3 l : gpr 4 d : fpr 2 i : gpr 5 */ void __attribute__ ((noinline)) fcldu (char *s, long l, float d, unsigned int i) { reg_parms_t lparms; save_parms (lparms); if (s != (char *) lparms.gprs[0]) abort (); if (l != lparms.gprs[1]) abort (); if ((double) d != lparms.fprs[0]) abort (); if ((unsigned long) i != lparms.gprs[3]) abort (); } /* Paramter passing. s : gpr 3 l : slot 1 d : slot 2 */ void __attribute__ ((noinline)) fceld (char *s, ...) { stack_frame_t *sp; reg_parms_t lparms; va_list arg; double d; long l; save_parms (lparms); va_start (arg, s); if (s != (char *) lparms.gprs[0]) abort (); l = va_arg (arg, long); d = va_arg (arg, double); /* Go back one frame. */ sp = __builtin_frame_address (0); sp = sp->backchain; if (sp->slot[1].l != l) abort (); if (sp->slot[2].d != d) abort (); } /* Paramter passing. s : gpr 3 i : gpr 4 j : gpr 5 d : slot 3 l : slot 4 */ void __attribute__ ((noinline)) fciiedl (char *s, int i, int j, ...) { stack_frame_t *sp; reg_parms_t lparms; va_list arg; double d; long l; save_parms (lparms); va_start (arg, j); if (s != (char *) lparms.gprs[0]) abort (); if ((long) i != lparms.gprs[1]) abort (); if ((long) j != lparms.gprs[2]) abort (); d = va_arg (arg, double); l = va_arg (arg, long); sp = __builtin_frame_address (0); sp = sp->backchain; if (sp->slot[3].d != d) abort (); if (sp->slot[4].l != l) abort (); } /* Parameter Register Offset in parameter save area c r3 0-7 (not stored in parameter save area) ff f1 8-15 (not stored) d r5 16-23 (not stored) ld f2 24-31 (not stored) f r7 32-39 (not stored) s r8,r9 40-55 (not stored) gg f3 56-63 (not stored) t (none) 64-79 (stored in parameter save area) e (none) 80-87 (stored) hh f4 88-95 (stored) */ typedef struct { int a; double dd; } sparm; typedef union { int i[2]; long l; double d; } double_t; /* Example from ABI documentation with slight changes. Paramter passing. c : gpr 3 ff : fpr 1 d : gpr 5 ld : fpr 2 f : gpr 7 s : gpr 8 - 9 gg : fpr 3 t : save area offset 64 - 79 e : save area offset 80 - 88 hh : fpr 4 */ void __attribute__ ((noinline)) fididisdsid (int c, double ff, int d, double ld, int f, sparm s, double gg, sparm t, int e, double hh) { stack_frame_t *sp; reg_parms_t lparms; double_t dx, dy; save_parms (lparms); /* Parm 0: int. */ if ((long) c != lparms.gprs[0]) abort (); /* Parm 1: double. */ if (ff != lparms.fprs[0]) abort (); /* Parm 2: int. */ if ((long) d != lparms.gprs[2]) abort (); /* Parm 3: double. */ if (ld != lparms.fprs[1]) abort (); /* Parm 4: int. */ if ((long) f != lparms.gprs[4]) abort (); /* Parm 5: struct sparm. */ dx.l = lparms.gprs[5]; dy.l = lparms.gprs[6]; if (s.a != dx.i[0]) abort (); if (s.dd != dy.d) abort (); /* Parm 6: double. */ if (gg != lparms.fprs[2]) abort (); sp = __builtin_frame_address (0); sp = sp->backchain; /* Parm 7: struct sparm. */ dx.l = sp->slot[8].l; dy.l = sp->slot[9].l; if (t.a != dx.i[0]) abort (); if (t.dd != dy.d) abort (); /* Parm 8: int. */ if (e != sp->slot[10].l) abort (); /* Parm 9: double. */ if (hh != lparms.fprs[3]) abort (); } int main () { char *s = "ii"; fcld (s, 1, 1.0); fcldi (s, 1, 1.0, -2); fcldu (s, 1, 1.0, 2); fceld (s, 1, 1.0); fciiedl (s, 1, 2, 1.0, 3); fididisdsid (1, 1.0, 2, 2.0, -1, (sparm) { 3, 3.0}, 4.0, (sparm) { 5, 5.0}, 6, 7.0); return 0; }