diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c')
-rw-r--r-- | gcc/testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c b/gcc/testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c new file mode 100644 index 000000000..14908dba6 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c @@ -0,0 +1,253 @@ +/* { 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" \ + "st 3,0(11)\n\t" \ + "st 4,4(11)\n\t" \ + "st 5,8(11)\n\t" \ + "st 6,12(11)\n\t" \ + "st 7,16(11)\n\t" \ + "st 8,20(11)\n\t" \ + "st 9,24(11)\n\t" \ + "st 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; +} |