1/* { dg-do run { target { powerpc_fprs && { ilp32 && dfprt } } } } */ 2/* { dg-options "-std=gnu99 -O2 -fno-strict-aliasing" } */ 3 4/* Testcase to check for ABI compliance of parameter passing 5 for the PowerPC ELF ABI for decimal float values. */ 6 7extern void abort (void); 8int failcnt = 0; 9 10/* Support compiling the test to report individual failures; default is 11 to abort as soon as a check fails. */ 12#ifdef DBG 13#include <stdio.h> 14#define FAILURE { printf ("failed at line %d\n", __LINE__); failcnt++; } 15#else 16#define FAILURE abort (); 17#endif 18 19typedef struct 20{ 21 int pad; 22 _Decimal32 d; 23} d32parm_t; 24 25typedef struct 26{ 27 unsigned int gprs[8]; 28 double fprs[8]; 29} reg_parms_t; 30 31reg_parms_t gparms; 32 33typedef struct sf 34{ 35 struct sf *backchain; 36 int a1; 37 unsigned int slot[200]; 38} stack_frame_t; 39 40/* Wrapper to save the GPRs and FPRs and then jump to the real function. */ 41#define WRAPPER(NAME) \ 42__asm__ ("\t.globl\t" #NAME "_asm\n\t" \ 43 ".text\n\t" \ 44 ".type " #NAME "_asm, @function\n" \ 45 #NAME "_asm:\n\t" \ 46 "lis 11,gparms@ha\n\t" \ 47 "la 11,gparms@l(11)\n\t" \ 48 "st 3,0(11)\n\t" \ 49 "st 4,4(11)\n\t" \ 50 "st 5,8(11)\n\t" \ 51 "st 6,12(11)\n\t" \ 52 "st 7,16(11)\n\t" \ 53 "st 8,20(11)\n\t" \ 54 "st 9,24(11)\n\t" \ 55 "st 10,28(11)\n\t" \ 56 "stfd 1,32(11)\n\t" \ 57 "stfd 2,40(11)\n\t" \ 58 "stfd 3,48(11)\n\t" \ 59 "stfd 4,56(11)\n\t" \ 60 "stfd 5,64(11)\n\t" \ 61 "stfd 6,72(11)\n\t" \ 62 "stfd 7,80(11)\n\t" \ 63 "stfd 8,88(11)\n\t" \ 64 "b " #NAME "\n\t" \ 65 ".size " #NAME ",.-" #NAME "\n") 66 67/* Fill up floating point registers with double arguments, forcing 68 decimal float arguments into the parameter save area. */ 69extern void func0_asm (double, double, double, double, double, 70 double, double, double, _Decimal64, _Decimal128); 71 72WRAPPER(func0); 73 74void __attribute__ ((noinline)) 75func0 (double a1, double a2, double a3, double a4, double a5, 76 double a6, double a7, double a8, _Decimal64 a9, _Decimal128 a10) 77{ 78 stack_frame_t *sp; 79 80 sp = __builtin_frame_address (0); 81 sp = sp->backchain; 82 83 if (a1 != gparms.fprs[0]) FAILURE 84 if (a2 != gparms.fprs[1]) FAILURE 85 if (a3 != gparms.fprs[2]) FAILURE 86 if (a4 != gparms.fprs[3]) FAILURE 87 if (a5 != gparms.fprs[4]) FAILURE 88 if (a6 != gparms.fprs[5]) FAILURE 89 if (a7 != gparms.fprs[6]) FAILURE 90 if (a8 != gparms.fprs[7]) FAILURE 91 if (a9 != *(_Decimal64 *)&sp->slot[0]) FAILURE 92 if (a10 != *(_Decimal128 *)&sp->slot[2]) FAILURE 93} 94 95/* Alternate 64-bit and 128-bit decimal float arguments, checking that 96 _Decimal128 is always passed in even/odd register pairs. */ 97extern void func1_asm (_Decimal64, _Decimal128, _Decimal64, _Decimal128, 98 _Decimal64, _Decimal128, _Decimal64, _Decimal128); 99 100WRAPPER(func1); 101 102void __attribute__ ((noinline)) 103func1 (_Decimal64 a1, _Decimal128 a2, _Decimal64 a3, _Decimal128 a4, 104 _Decimal64 a5, _Decimal128 a6, _Decimal64 a7, _Decimal128 a8) 105{ 106 stack_frame_t *sp; 107 108 sp = __builtin_frame_address (0); 109 sp = sp->backchain; 110 111 if (a1 != *(_Decimal64 *)&gparms.fprs[0]) FAILURE /* f1 */ 112 if (a2 != *(_Decimal128 *)&gparms.fprs[1]) FAILURE /* f2 & f3 */ 113 if (a3 != *(_Decimal64 *)&gparms.fprs[3]) FAILURE /* f4 */ 114 if (a4 != *(_Decimal128 *)&gparms.fprs[5]) FAILURE /* f6 & f7 */ 115 if (a5 != *(_Decimal64 *)&gparms.fprs[7]) FAILURE /* f8 */ 116 if (a6 != *(_Decimal128 *)&sp->slot[0]) FAILURE 117 if (a7 != *(_Decimal64 *)&sp->slot[4]) FAILURE 118 if (a8 != *(_Decimal128 *)&sp->slot[6]) FAILURE 119} 120 121extern void func2_asm (_Decimal128, _Decimal64, _Decimal128, _Decimal64, 122 _Decimal128, _Decimal64, _Decimal128, _Decimal64); 123 124WRAPPER(func2); 125 126void __attribute__ ((noinline)) 127func2 (_Decimal128 a1, _Decimal64 a2, _Decimal128 a3, _Decimal64 a4, 128 _Decimal128 a5, _Decimal64 a6, _Decimal128 a7, _Decimal64 a8) 129{ 130 stack_frame_t *sp; 131 132 sp = __builtin_frame_address (0); 133 sp = sp->backchain; 134 135 if (a1 != *(_Decimal128 *)&gparms.fprs[1]) FAILURE /* f2 & f3 */ 136 if (a2 != *(_Decimal64 *)&gparms.fprs[3]) FAILURE /* f4 */ 137 if (a3 != *(_Decimal128 *)&gparms.fprs[5]) FAILURE /* f6 & f7 */ 138 if (a4 != *(_Decimal64 *)&gparms.fprs[7]) FAILURE /* f8 */ 139 if (a5 != *(_Decimal128 *)&sp->slot[0]) FAILURE 140 if (a6 != *(_Decimal64 *)&sp->slot[4]) FAILURE 141 if (a7 != *(_Decimal128 *)&sp->slot[6]) FAILURE 142 if (a8 != *(_Decimal64 *)&sp->slot[10]) FAILURE 143} 144 145extern void func3_asm (_Decimal64, _Decimal128, _Decimal64, _Decimal128, 146 _Decimal64); 147 148WRAPPER(func3); 149 150void __attribute__ ((noinline)) 151func3 (_Decimal64 a1, _Decimal128 a2, _Decimal64 a3, _Decimal128 a4, 152 _Decimal64 a5) 153{ 154 stack_frame_t *sp; 155 156 sp = __builtin_frame_address (0); 157 sp = sp->backchain; 158 159 if (a1 != *(_Decimal64 *)&gparms.fprs[0]) FAILURE /* f1 */ 160 if (a2 != *(_Decimal128 *)&gparms.fprs[1]) FAILURE /* f2 & f3 */ 161 if (a3 != *(_Decimal64 *)&gparms.fprs[3]) FAILURE /* f4 */ 162 if (a4 != *(_Decimal128 *)&gparms.fprs[5]) FAILURE /* f6 & f7 */ 163 if (a5 != *(_Decimal128 *)&sp->slot[0]) FAILURE 164} 165 166extern void func4_asm (_Decimal32, _Decimal32, _Decimal32, _Decimal32, 167 _Decimal32, _Decimal32, _Decimal32, _Decimal32, 168 _Decimal32, _Decimal32, _Decimal32, _Decimal32, 169 _Decimal32, _Decimal32, _Decimal32, _Decimal32); 170 171WRAPPER(func4); 172 173void __attribute__ ((noinline)) 174func4 (_Decimal32 a1, _Decimal32 a2, _Decimal32 a3, _Decimal32 a4, 175 _Decimal32 a5, _Decimal32 a6, _Decimal32 a7, _Decimal32 a8, 176 _Decimal32 a9, _Decimal32 a10, _Decimal32 a11, _Decimal32 a12, 177 _Decimal32 a13, _Decimal32 a14, _Decimal32 a15, _Decimal32 a16) 178{ 179 stack_frame_t *sp; 180 181 sp = __builtin_frame_address (0); 182 sp = sp->backchain; 183 184 /* _Decimal32 is passed in the lower half of an FPR, or in parameter slot. */ 185 if (a1 != ((d32parm_t *)&gparms.fprs[0])->d) FAILURE /* f1 */ 186 if (a2 != ((d32parm_t *)&gparms.fprs[1])->d) FAILURE /* f2 */ 187 if (a3 != ((d32parm_t *)&gparms.fprs[2])->d) FAILURE /* f3 */ 188 if (a4 != ((d32parm_t *)&gparms.fprs[3])->d) FAILURE /* f4 */ 189 if (a5 != ((d32parm_t *)&gparms.fprs[4])->d) FAILURE /* f5 */ 190 if (a6 != ((d32parm_t *)&gparms.fprs[5])->d) FAILURE /* f6 */ 191 if (a7 != ((d32parm_t *)&gparms.fprs[6])->d) FAILURE /* f7 */ 192 if (a8 != ((d32parm_t *)&gparms.fprs[7])->d) FAILURE /* f8 */ 193 if (a9 != *(_Decimal32 *)&sp->slot[0]) FAILURE 194 if (a10 != *(_Decimal32 *)&sp->slot[1]) FAILURE 195 if (a11 != *(_Decimal32 *)&sp->slot[2]) FAILURE 196 if (a12 != *(_Decimal32 *)&sp->slot[3]) FAILURE 197 if (a13 != *(_Decimal32 *)&sp->slot[4]) FAILURE 198 if (a14 != *(_Decimal32 *)&sp->slot[5]) FAILURE 199 if (a15 != *(_Decimal32 *)&sp->slot[6]) FAILURE 200 if (a16 != *(_Decimal32 *)&sp->slot[7]) FAILURE 201} 202 203extern void func5_asm (_Decimal32, _Decimal64, _Decimal128, 204 _Decimal32, _Decimal64, _Decimal128, 205 _Decimal32, _Decimal64, _Decimal128, 206 _Decimal32, _Decimal64, _Decimal128); 207 208WRAPPER(func5); 209 210void __attribute__ ((noinline)) 211func5 (_Decimal32 a1, _Decimal64 a2, _Decimal128 a3, 212 _Decimal32 a4, _Decimal64 a5, _Decimal128 a6, 213 _Decimal32 a7, _Decimal64 a8, _Decimal128 a9, 214 _Decimal32 a10, _Decimal64 a11, _Decimal128 a12) 215{ 216 stack_frame_t *sp; 217 218 sp = __builtin_frame_address (0); 219 sp = sp->backchain; 220 221 if (a1 != ((d32parm_t *)&gparms.fprs[0])->d) FAILURE /* f1 */ 222 if (a2 != *(_Decimal64 *)&gparms.fprs[1]) FAILURE /* f2 */ 223 if (a3 != *(_Decimal128 *)&gparms.fprs[3]) FAILURE /* f4 & f5 */ 224 if (a4 != ((d32parm_t *)&gparms.fprs[5])->d) FAILURE /* f6 */ 225 if (a5 != *(_Decimal64 *)&gparms.fprs[6]) FAILURE /* f7 */ 226 227 if (a6 != *(_Decimal128 *)&sp->slot[0]) FAILURE 228 if (a7 != *(_Decimal32 *)&sp->slot[4]) FAILURE 229 if (a8 != *(_Decimal64 *)&sp->slot[6]) FAILURE 230 if (a9 != *(_Decimal128 *)&sp->slot[8]) FAILURE 231 if (a10 != *(_Decimal32 *)&sp->slot[12]) FAILURE 232 if (a11 != *(_Decimal64 *)&sp->slot[14]) FAILURE 233 if (a12 != *(_Decimal128 *)&sp->slot[16]) FAILURE 234} 235 236int 237main () 238{ 239 func0_asm (1., 2., 3., 4., 5., 6., 7., 8., 9.dd, 10.dl); 240 func1_asm (1.dd, 2.dl, 3.dd, 4.dl, 5.dd, 6.dl, 7.dd, 8.dl); 241 func2_asm (1.dl, 2.dd, 3.dl, 4.dd, 5.dl, 6.dd, 7.dl, 8.dd); 242 func3_asm (1.dd, 2.dl, 3.dd, 4.dl, 5.dl); 243 func4_asm (501.2df, 502.2df, 503.2df, 504.2df, 505.2df, 506.2df, 507.2df, 244 508.2df, 509.2df, 510.2df, 511.2df, 512.2df, 513.2df, 514.2df, 245 515.2df, 516.2df); 246 func5_asm (601.2df, 602.2dd, 603.2dl, 604.2df, 605.2dd, 606.2dl, 247 607.2df, 608.2dd, 609.2dl, 610.2df, 611.2dd, 612.2dl); 248 249 if (failcnt != 0) 250 abort (); 251 252 return 0; 253} 254