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691 |
jeremybenn |
/* { dg-do run { target { powerpc_fprs && { ilp32 && dfprt } } } } */
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/* { dg-options "-std=gnu99 -O2 -fno-strict-aliasing" } */
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/* Testcase to check for ABI compliance of parameter passing
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for the PowerPC ELF ABI for decimal float values. */
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extern void abort (void);
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int failcnt = 0;
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/* Support compiling the test to report individual failures; default is
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to abort as soon as a check fails. */
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#ifdef DBG
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#include <stdio.h>
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#define FAILURE { printf ("failed at line %d\n", __LINE__); failcnt++; }
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#else
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#define FAILURE abort ();
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#endif
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typedef struct
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{
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int pad;
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_Decimal32 d;
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} d32parm_t;
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typedef struct
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{
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unsigned int gprs[8];
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double fprs[8];
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} reg_parms_t;
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reg_parms_t gparms;
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typedef struct sf
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{
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struct sf *backchain;
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int a1;
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unsigned int slot[200];
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} stack_frame_t;
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/* Wrapper to save the GPRs and FPRs and then jump to the real function. */
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#define WRAPPER(NAME) \
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__asm__ ("\t.globl\t" #NAME "_asm\n\t" \
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".text\n\t" \
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".type " #NAME "_asm, @function\n" \
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#NAME "_asm:\n\t" \
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"lis 11,gparms@ha\n\t" \
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"la 11,gparms@l(11)\n\t" \
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"st 3,0(11)\n\t" \
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"st 4,4(11)\n\t" \
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"st 5,8(11)\n\t" \
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"st 6,12(11)\n\t" \
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"st 7,16(11)\n\t" \
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"st 8,20(11)\n\t" \
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"st 9,24(11)\n\t" \
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"st 10,28(11)\n\t" \
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"stfd 1,32(11)\n\t" \
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"stfd 2,40(11)\n\t" \
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"stfd 3,48(11)\n\t" \
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"stfd 4,56(11)\n\t" \
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"stfd 5,64(11)\n\t" \
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"stfd 6,72(11)\n\t" \
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"stfd 7,80(11)\n\t" \
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"stfd 8,88(11)\n\t" \
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"b " #NAME "\n\t" \
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".size " #NAME ",.-" #NAME "\n")
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/* Fill up floating point registers with double arguments, forcing
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decimal float arguments into the parameter save area. */
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extern void func0_asm (double, double, double, double, double,
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double, double, double, _Decimal64, _Decimal128);
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WRAPPER(func0);
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void __attribute__ ((noinline))
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func0 (double a1, double a2, double a3, double a4, double a5,
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double a6, double a7, double a8, _Decimal64 a9, _Decimal128 a10)
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{
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stack_frame_t *sp;
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sp = __builtin_frame_address (0);
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sp = sp->backchain;
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if (a1 != gparms.fprs[0]) FAILURE
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if (a2 != gparms.fprs[1]) FAILURE
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if (a3 != gparms.fprs[2]) FAILURE
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if (a4 != gparms.fprs[3]) FAILURE
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if (a5 != gparms.fprs[4]) FAILURE
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if (a6 != gparms.fprs[5]) FAILURE
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if (a7 != gparms.fprs[6]) FAILURE
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if (a8 != gparms.fprs[7]) FAILURE
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if (a9 != *(_Decimal64 *)&sp->slot[0]) FAILURE
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if (a10 != *(_Decimal128 *)&sp->slot[2]) FAILURE
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}
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/* Alternate 64-bit and 128-bit decimal float arguments, checking that
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_Decimal128 is always passed in even/odd register pairs. */
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extern void func1_asm (_Decimal64, _Decimal128, _Decimal64, _Decimal128,
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_Decimal64, _Decimal128, _Decimal64, _Decimal128);
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WRAPPER(func1);
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void __attribute__ ((noinline))
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func1 (_Decimal64 a1, _Decimal128 a2, _Decimal64 a3, _Decimal128 a4,
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_Decimal64 a5, _Decimal128 a6, _Decimal64 a7, _Decimal128 a8)
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{
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stack_frame_t *sp;
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sp = __builtin_frame_address (0);
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sp = sp->backchain;
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if (a1 != *(_Decimal64 *)&gparms.fprs[0]) FAILURE /* f1 */
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if (a2 != *(_Decimal128 *)&gparms.fprs[1]) FAILURE /* f2 & f3 */
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if (a3 != *(_Decimal64 *)&gparms.fprs[3]) FAILURE /* f4 */
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if (a4 != *(_Decimal128 *)&gparms.fprs[5]) FAILURE /* f6 & f7 */
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if (a5 != *(_Decimal64 *)&gparms.fprs[7]) FAILURE /* f8 */
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if (a6 != *(_Decimal128 *)&sp->slot[0]) FAILURE
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if (a7 != *(_Decimal64 *)&sp->slot[4]) FAILURE
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if (a8 != *(_Decimal128 *)&sp->slot[6]) FAILURE
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}
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extern void func2_asm (_Decimal128, _Decimal64, _Decimal128, _Decimal64,
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_Decimal128, _Decimal64, _Decimal128, _Decimal64);
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WRAPPER(func2);
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void __attribute__ ((noinline))
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func2 (_Decimal128 a1, _Decimal64 a2, _Decimal128 a3, _Decimal64 a4,
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_Decimal128 a5, _Decimal64 a6, _Decimal128 a7, _Decimal64 a8)
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{
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stack_frame_t *sp;
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sp = __builtin_frame_address (0);
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sp = sp->backchain;
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if (a1 != *(_Decimal128 *)&gparms.fprs[1]) FAILURE /* f2 & f3 */
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if (a2 != *(_Decimal64 *)&gparms.fprs[3]) FAILURE /* f4 */
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if (a3 != *(_Decimal128 *)&gparms.fprs[5]) FAILURE /* f6 & f7 */
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if (a4 != *(_Decimal64 *)&gparms.fprs[7]) FAILURE /* f8 */
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if (a5 != *(_Decimal128 *)&sp->slot[0]) FAILURE
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if (a6 != *(_Decimal64 *)&sp->slot[4]) FAILURE
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if (a7 != *(_Decimal128 *)&sp->slot[6]) FAILURE
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if (a8 != *(_Decimal64 *)&sp->slot[10]) FAILURE
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}
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extern void func3_asm (_Decimal64, _Decimal128, _Decimal64, _Decimal128,
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_Decimal64);
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WRAPPER(func3);
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void __attribute__ ((noinline))
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func3 (_Decimal64 a1, _Decimal128 a2, _Decimal64 a3, _Decimal128 a4,
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_Decimal64 a5)
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{
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stack_frame_t *sp;
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sp = __builtin_frame_address (0);
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sp = sp->backchain;
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if (a1 != *(_Decimal64 *)&gparms.fprs[0]) FAILURE /* f1 */
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if (a2 != *(_Decimal128 *)&gparms.fprs[1]) FAILURE /* f2 & f3 */
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if (a3 != *(_Decimal64 *)&gparms.fprs[3]) FAILURE /* f4 */
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if (a4 != *(_Decimal128 *)&gparms.fprs[5]) FAILURE /* f6 & f7 */
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if (a5 != *(_Decimal128 *)&sp->slot[0]) FAILURE
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}
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extern void func4_asm (_Decimal32, _Decimal32, _Decimal32, _Decimal32,
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_Decimal32, _Decimal32, _Decimal32, _Decimal32,
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_Decimal32, _Decimal32, _Decimal32, _Decimal32,
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_Decimal32, _Decimal32, _Decimal32, _Decimal32);
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WRAPPER(func4);
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void __attribute__ ((noinline))
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func4 (_Decimal32 a1, _Decimal32 a2, _Decimal32 a3, _Decimal32 a4,
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_Decimal32 a5, _Decimal32 a6, _Decimal32 a7, _Decimal32 a8,
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_Decimal32 a9, _Decimal32 a10, _Decimal32 a11, _Decimal32 a12,
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_Decimal32 a13, _Decimal32 a14, _Decimal32 a15, _Decimal32 a16)
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{
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stack_frame_t *sp;
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sp = __builtin_frame_address (0);
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sp = sp->backchain;
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/* _Decimal32 is passed in the lower half of an FPR, or in parameter slot. */
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if (a1 != ((d32parm_t *)&gparms.fprs[0])->d) FAILURE /* f1 */
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if (a2 != ((d32parm_t *)&gparms.fprs[1])->d) FAILURE /* f2 */
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if (a3 != ((d32parm_t *)&gparms.fprs[2])->d) FAILURE /* f3 */
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if (a4 != ((d32parm_t *)&gparms.fprs[3])->d) FAILURE /* f4 */
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if (a5 != ((d32parm_t *)&gparms.fprs[4])->d) FAILURE /* f5 */
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if (a6 != ((d32parm_t *)&gparms.fprs[5])->d) FAILURE /* f6 */
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if (a7 != ((d32parm_t *)&gparms.fprs[6])->d) FAILURE /* f7 */
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if (a8 != ((d32parm_t *)&gparms.fprs[7])->d) FAILURE /* f8 */
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if (a9 != *(_Decimal32 *)&sp->slot[0]) FAILURE
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if (a10 != *(_Decimal32 *)&sp->slot[1]) FAILURE
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if (a11 != *(_Decimal32 *)&sp->slot[2]) FAILURE
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if (a12 != *(_Decimal32 *)&sp->slot[3]) FAILURE
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if (a13 != *(_Decimal32 *)&sp->slot[4]) FAILURE
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if (a14 != *(_Decimal32 *)&sp->slot[5]) FAILURE
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if (a15 != *(_Decimal32 *)&sp->slot[6]) FAILURE
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if (a16 != *(_Decimal32 *)&sp->slot[7]) FAILURE
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}
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extern void func5_asm (_Decimal32, _Decimal64, _Decimal128,
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_Decimal32, _Decimal64, _Decimal128,
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_Decimal32, _Decimal64, _Decimal128,
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_Decimal32, _Decimal64, _Decimal128);
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WRAPPER(func5);
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void __attribute__ ((noinline))
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func5 (_Decimal32 a1, _Decimal64 a2, _Decimal128 a3,
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_Decimal32 a4, _Decimal64 a5, _Decimal128 a6,
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_Decimal32 a7, _Decimal64 a8, _Decimal128 a9,
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_Decimal32 a10, _Decimal64 a11, _Decimal128 a12)
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{
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stack_frame_t *sp;
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sp = __builtin_frame_address (0);
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sp = sp->backchain;
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if (a1 != ((d32parm_t *)&gparms.fprs[0])->d) FAILURE /* f1 */
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if (a2 != *(_Decimal64 *)&gparms.fprs[1]) FAILURE /* f2 */
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if (a3 != *(_Decimal128 *)&gparms.fprs[3]) FAILURE /* f4 & f5 */
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if (a4 != ((d32parm_t *)&gparms.fprs[5])->d) FAILURE /* f6 */
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if (a5 != *(_Decimal64 *)&gparms.fprs[6]) FAILURE /* f7 */
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if (a6 != *(_Decimal128 *)&sp->slot[0]) FAILURE
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if (a7 != *(_Decimal32 *)&sp->slot[4]) FAILURE
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if (a8 != *(_Decimal64 *)&sp->slot[6]) FAILURE
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if (a9 != *(_Decimal128 *)&sp->slot[8]) FAILURE
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if (a10 != *(_Decimal32 *)&sp->slot[12]) FAILURE
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if (a11 != *(_Decimal64 *)&sp->slot[14]) FAILURE
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if (a12 != *(_Decimal128 *)&sp->slot[16]) FAILURE
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}
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int
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main ()
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{
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func0_asm (1., 2., 3., 4., 5., 6., 7., 8., 9.dd, 10.dl);
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func1_asm (1.dd, 2.dl, 3.dd, 4.dl, 5.dd, 6.dl, 7.dd, 8.dl);
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func2_asm (1.dl, 2.dd, 3.dl, 4.dd, 5.dl, 6.dd, 7.dl, 8.dd);
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func3_asm (1.dd, 2.dl, 3.dd, 4.dl, 5.dl);
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func4_asm (501.2df, 502.2df, 503.2df, 504.2df, 505.2df, 506.2df, 507.2df,
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508.2df, 509.2df, 510.2df, 511.2df, 512.2df, 513.2df, 514.2df,
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515.2df, 516.2df);
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func5_asm (601.2df, 602.2dd, 603.2dl, 604.2df, 605.2dd, 606.2dl,
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607.2df, 608.2dd, 609.2dl, 610.2df, 611.2dd, 612.2dl);
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if (failcnt != 0)
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abort ();
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return 0;
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}
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