| /* { dg-do run { target { powerpc_fprs && { ilp32 && dfprt } } } } */ |
| /* { dg-options "-std=gnu99 -O2 -fno-strict-aliasing" } */ |
| |
| /* Testcase to check for ABI compliance of parameter passing |
| for the PowerPC ELF ABI for decimal float values. */ |
| |
| extern void abort (void); |
| int failcnt = 0; |
| |
| /* Support compiling the test to report individual failures; default is |
| to abort as soon as a check fails. */ |
| #ifdef DBG |
| #include <stdio.h> |
| #define FAILURE { printf ("failed at line %d\n", __LINE__); failcnt++; } |
| #else |
| #define FAILURE abort (); |
| #endif |
| |
| typedef struct |
| { |
| int pad; |
| _Decimal32 d; |
| } d32parm_t; |
| |
| typedef struct |
| { |
| unsigned int gprs[8]; |
| double fprs[8]; |
| } reg_parms_t; |
| |
| reg_parms_t gparms; |
| |
| typedef struct sf |
| { |
| struct sf *backchain; |
| int a1; |
| unsigned int slot[200]; |
| } stack_frame_t; |
| |
| /* Wrapper to save the GPRs and FPRs and then jump to the real function. */ |
| #define WRAPPER(NAME) \ |
| __asm__ ("\t.globl\t" #NAME "_asm\n\t" \ |
| ".text\n\t" \ |
| ".type " #NAME "_asm, @function\n" \ |
| #NAME "_asm:\n\t" \ |
| "lis 11,gparms@ha\n\t" \ |
| "la 11,gparms@l(11)\n\t" \ |
| "stw 3,0(11)\n\t" \ |
| "stw 4,4(11)\n\t" \ |
| "stw 5,8(11)\n\t" \ |
| "stw 6,12(11)\n\t" \ |
| "stw 7,16(11)\n\t" \ |
| "stw 8,20(11)\n\t" \ |
| "stw 9,24(11)\n\t" \ |
| "stw 10,28(11)\n\t" \ |
| "stfd 1,32(11)\n\t" \ |
| "stfd 2,40(11)\n\t" \ |
| "stfd 3,48(11)\n\t" \ |
| "stfd 4,56(11)\n\t" \ |
| "stfd 5,64(11)\n\t" \ |
| "stfd 6,72(11)\n\t" \ |
| "stfd 7,80(11)\n\t" \ |
| "stfd 8,88(11)\n\t" \ |
| "b " #NAME "\n\t" \ |
| ".size " #NAME ",.-" #NAME "\n") |
| |
| /* Fill up floating point registers with double arguments, forcing |
| decimal float arguments into the parameter save area. */ |
| extern void func0_asm (double, double, double, double, double, |
| double, double, double, _Decimal64, _Decimal128); |
| |
| WRAPPER(func0); |
| |
| void __attribute__ ((noinline)) |
| func0 (double a1, double a2, double a3, double a4, double a5, |
| double a6, double a7, double a8, _Decimal64 a9, _Decimal128 a10) |
| { |
| stack_frame_t *sp; |
| |
| sp = __builtin_frame_address (0); |
| sp = sp->backchain; |
| |
| if (a1 != gparms.fprs[0]) FAILURE |
| if (a2 != gparms.fprs[1]) FAILURE |
| if (a3 != gparms.fprs[2]) FAILURE |
| if (a4 != gparms.fprs[3]) FAILURE |
| if (a5 != gparms.fprs[4]) FAILURE |
| if (a6 != gparms.fprs[5]) FAILURE |
| if (a7 != gparms.fprs[6]) FAILURE |
| if (a8 != gparms.fprs[7]) FAILURE |
| if (a9 != *(_Decimal64 *)&sp->slot[0]) FAILURE |
| if (a10 != *(_Decimal128 *)&sp->slot[2]) FAILURE |
| } |
| |
| /* Alternate 64-bit and 128-bit decimal float arguments, checking that |
| _Decimal128 is always passed in even/odd register pairs. */ |
| extern void func1_asm (_Decimal64, _Decimal128, _Decimal64, _Decimal128, |
| _Decimal64, _Decimal128, _Decimal64, _Decimal128); |
| |
| WRAPPER(func1); |
| |
| void __attribute__ ((noinline)) |
| func1 (_Decimal64 a1, _Decimal128 a2, _Decimal64 a3, _Decimal128 a4, |
| _Decimal64 a5, _Decimal128 a6, _Decimal64 a7, _Decimal128 a8) |
| { |
| stack_frame_t *sp; |
| |
| sp = __builtin_frame_address (0); |
| sp = sp->backchain; |
| |
| if (a1 != *(_Decimal64 *)&gparms.fprs[0]) FAILURE /* f1 */ |
| if (a2 != *(_Decimal128 *)&gparms.fprs[1]) FAILURE /* f2 & f3 */ |
| if (a3 != *(_Decimal64 *)&gparms.fprs[3]) FAILURE /* f4 */ |
| if (a4 != *(_Decimal128 *)&gparms.fprs[5]) FAILURE /* f6 & f7 */ |
| if (a5 != *(_Decimal64 *)&gparms.fprs[7]) FAILURE /* f8 */ |
| if (a6 != *(_Decimal128 *)&sp->slot[0]) FAILURE |
| if (a7 != *(_Decimal64 *)&sp->slot[4]) FAILURE |
| if (a8 != *(_Decimal128 *)&sp->slot[6]) FAILURE |
| } |
| |
| extern void func2_asm (_Decimal128, _Decimal64, _Decimal128, _Decimal64, |
| _Decimal128, _Decimal64, _Decimal128, _Decimal64); |
| |
| WRAPPER(func2); |
| |
| void __attribute__ ((noinline)) |
| func2 (_Decimal128 a1, _Decimal64 a2, _Decimal128 a3, _Decimal64 a4, |
| _Decimal128 a5, _Decimal64 a6, _Decimal128 a7, _Decimal64 a8) |
| { |
| stack_frame_t *sp; |
| |
| sp = __builtin_frame_address (0); |
| sp = sp->backchain; |
| |
| if (a1 != *(_Decimal128 *)&gparms.fprs[1]) FAILURE /* f2 & f3 */ |
| if (a2 != *(_Decimal64 *)&gparms.fprs[3]) FAILURE /* f4 */ |
| if (a3 != *(_Decimal128 *)&gparms.fprs[5]) FAILURE /* f6 & f7 */ |
| if (a4 != *(_Decimal64 *)&gparms.fprs[7]) FAILURE /* f8 */ |
| if (a5 != *(_Decimal128 *)&sp->slot[0]) FAILURE |
| if (a6 != *(_Decimal64 *)&sp->slot[4]) FAILURE |
| if (a7 != *(_Decimal128 *)&sp->slot[6]) FAILURE |
| if (a8 != *(_Decimal64 *)&sp->slot[10]) FAILURE |
| } |
| |
| extern void func3_asm (_Decimal64, _Decimal128, _Decimal64, _Decimal128, |
| _Decimal64); |
| |
| WRAPPER(func3); |
| |
| void __attribute__ ((noinline)) |
| func3 (_Decimal64 a1, _Decimal128 a2, _Decimal64 a3, _Decimal128 a4, |
| _Decimal64 a5) |
| { |
| stack_frame_t *sp; |
| |
| sp = __builtin_frame_address (0); |
| sp = sp->backchain; |
| |
| if (a1 != *(_Decimal64 *)&gparms.fprs[0]) FAILURE /* f1 */ |
| if (a2 != *(_Decimal128 *)&gparms.fprs[1]) FAILURE /* f2 & f3 */ |
| if (a3 != *(_Decimal64 *)&gparms.fprs[3]) FAILURE /* f4 */ |
| if (a4 != *(_Decimal128 *)&gparms.fprs[5]) FAILURE /* f6 & f7 */ |
| if (a5 != *(_Decimal128 *)&sp->slot[0]) FAILURE |
| } |
| |
| extern void func4_asm (_Decimal32, _Decimal32, _Decimal32, _Decimal32, |
| _Decimal32, _Decimal32, _Decimal32, _Decimal32, |
| _Decimal32, _Decimal32, _Decimal32, _Decimal32, |
| _Decimal32, _Decimal32, _Decimal32, _Decimal32); |
| |
| WRAPPER(func4); |
| |
| void __attribute__ ((noinline)) |
| func4 (_Decimal32 a1, _Decimal32 a2, _Decimal32 a3, _Decimal32 a4, |
| _Decimal32 a5, _Decimal32 a6, _Decimal32 a7, _Decimal32 a8, |
| _Decimal32 a9, _Decimal32 a10, _Decimal32 a11, _Decimal32 a12, |
| _Decimal32 a13, _Decimal32 a14, _Decimal32 a15, _Decimal32 a16) |
| { |
| stack_frame_t *sp; |
| |
| sp = __builtin_frame_address (0); |
| sp = sp->backchain; |
| |
| /* _Decimal32 is passed in the lower half of an FPR, or in parameter slot. */ |
| if (a1 != ((d32parm_t *)&gparms.fprs[0])->d) FAILURE /* f1 */ |
| if (a2 != ((d32parm_t *)&gparms.fprs[1])->d) FAILURE /* f2 */ |
| if (a3 != ((d32parm_t *)&gparms.fprs[2])->d) FAILURE /* f3 */ |
| if (a4 != ((d32parm_t *)&gparms.fprs[3])->d) FAILURE /* f4 */ |
| if (a5 != ((d32parm_t *)&gparms.fprs[4])->d) FAILURE /* f5 */ |
| if (a6 != ((d32parm_t *)&gparms.fprs[5])->d) FAILURE /* f6 */ |
| if (a7 != ((d32parm_t *)&gparms.fprs[6])->d) FAILURE /* f7 */ |
| if (a8 != ((d32parm_t *)&gparms.fprs[7])->d) FAILURE /* f8 */ |
| if (a9 != *(_Decimal32 *)&sp->slot[0]) FAILURE |
| if (a10 != *(_Decimal32 *)&sp->slot[1]) FAILURE |
| if (a11 != *(_Decimal32 *)&sp->slot[2]) FAILURE |
| if (a12 != *(_Decimal32 *)&sp->slot[3]) FAILURE |
| if (a13 != *(_Decimal32 *)&sp->slot[4]) FAILURE |
| if (a14 != *(_Decimal32 *)&sp->slot[5]) FAILURE |
| if (a15 != *(_Decimal32 *)&sp->slot[6]) FAILURE |
| if (a16 != *(_Decimal32 *)&sp->slot[7]) FAILURE |
| } |
| |
| extern void func5_asm (_Decimal32, _Decimal64, _Decimal128, |
| _Decimal32, _Decimal64, _Decimal128, |
| _Decimal32, _Decimal64, _Decimal128, |
| _Decimal32, _Decimal64, _Decimal128); |
| |
| WRAPPER(func5); |
| |
| void __attribute__ ((noinline)) |
| func5 (_Decimal32 a1, _Decimal64 a2, _Decimal128 a3, |
| _Decimal32 a4, _Decimal64 a5, _Decimal128 a6, |
| _Decimal32 a7, _Decimal64 a8, _Decimal128 a9, |
| _Decimal32 a10, _Decimal64 a11, _Decimal128 a12) |
| { |
| stack_frame_t *sp; |
| |
| sp = __builtin_frame_address (0); |
| sp = sp->backchain; |
| |
| if (a1 != ((d32parm_t *)&gparms.fprs[0])->d) FAILURE /* f1 */ |
| if (a2 != *(_Decimal64 *)&gparms.fprs[1]) FAILURE /* f2 */ |
| if (a3 != *(_Decimal128 *)&gparms.fprs[3]) FAILURE /* f4 & f5 */ |
| if (a4 != ((d32parm_t *)&gparms.fprs[5])->d) FAILURE /* f6 */ |
| if (a5 != *(_Decimal64 *)&gparms.fprs[6]) FAILURE /* f7 */ |
| |
| if (a6 != *(_Decimal128 *)&sp->slot[0]) FAILURE |
| if (a7 != *(_Decimal32 *)&sp->slot[4]) FAILURE |
| if (a8 != *(_Decimal64 *)&sp->slot[6]) FAILURE |
| if (a9 != *(_Decimal128 *)&sp->slot[8]) FAILURE |
| if (a10 != *(_Decimal32 *)&sp->slot[12]) FAILURE |
| if (a11 != *(_Decimal64 *)&sp->slot[14]) FAILURE |
| if (a12 != *(_Decimal128 *)&sp->slot[16]) FAILURE |
| } |
| |
| int |
| main () |
| { |
| func0_asm (1., 2., 3., 4., 5., 6., 7., 8., 9.dd, 10.dl); |
| func1_asm (1.dd, 2.dl, 3.dd, 4.dl, 5.dd, 6.dl, 7.dd, 8.dl); |
| func2_asm (1.dl, 2.dd, 3.dl, 4.dd, 5.dl, 6.dd, 7.dl, 8.dd); |
| func3_asm (1.dd, 2.dl, 3.dd, 4.dl, 5.dl); |
| func4_asm (501.2df, 502.2df, 503.2df, 504.2df, 505.2df, 506.2df, 507.2df, |
| 508.2df, 509.2df, 510.2df, 511.2df, 512.2df, 513.2df, 514.2df, |
| 515.2df, 516.2df); |
| func5_asm (601.2df, 602.2dd, 603.2dl, 604.2df, 605.2dd, 606.2dl, |
| 607.2df, 608.2dd, 609.2dl, 610.2df, 611.2dd, 612.2dl); |
| |
| if (failcnt != 0) |
| abort (); |
| |
| return 0; |
| } |
