85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
/* { dg-do run { target { powerpc64*-*-* } } } */
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/* { dg-require-effective-target powerpc_p8vector_ok } */
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/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
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/* { dg-options "-mcpu=power8 -O3" } */
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/* Test that the vec_adde builtin works as expected. */
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#include "altivec.h"
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#define N 4096
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void abort ();
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#define define_test_functions(STYPE, NAMESUFFIX) \
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\
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STYPE result_##NAMESUFFIX[N]; \
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STYPE addend1_##NAMESUFFIX[N]; \
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STYPE addend2_##NAMESUFFIX[N]; \
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STYPE carry_##NAMESUFFIX[N]; \
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STYPE expected_##NAMESUFFIX[N]; \
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\
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__attribute__((noinline)) void vector_tests_##NAMESUFFIX () \
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{ \
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vector STYPE v1, v2, v3, tmp; \
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int i; \
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for (i = 0; i < N; i+=16/sizeof (STYPE)) \
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{ \
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/* result=addend1+addend2+(carry & 0x1). */ \
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v1 = (vector STYPE) { addend1_##NAMESUFFIX[i] }; \
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v2 = (vector STYPE) { addend2_##NAMESUFFIX[i] }; \
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v3 = (vector STYPE) { carry_##NAMESUFFIX[i] }; \
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\
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tmp = vec_adde (v1, v2, v3); \
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result_##NAMESUFFIX[i] = tmp[0]; \
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} \
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} \
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\
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__attribute__((noinline)) void init_##NAMESUFFIX () \
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{ \
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int i; \
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for (i = 0; i < N; ++i) \
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{ \
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result_##NAMESUFFIX[i] = 0; \
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addend1_##NAMESUFFIX[i] = 1; \
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addend2_##NAMESUFFIX[i] = 2; \
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carry_##NAMESUFFIX[i] = (i%12); \
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expected_##NAMESUFFIX[i] = addend1_##NAMESUFFIX[i] + \
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addend2_##NAMESUFFIX[i] + \
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(carry_##NAMESUFFIX[i] & 0x1); \
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} \
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} \
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\
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__attribute__((noinline)) void verify_results_##NAMESUFFIX () \
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{ \
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int i; \
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for (i = 0; i < N; ++i) \
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{ \
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if (result_##NAMESUFFIX[i] != expected_##NAMESUFFIX[i]) \
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abort (); \
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} \
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}
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#define execute_test_functions(STYPE, NAMESUFFIX) \
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{ \
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init_##NAMESUFFIX (); \
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vector_tests_##NAMESUFFIX (); \
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verify_results_##NAMESUFFIX (); \
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}
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define_test_functions (signed __int128, si128);
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define_test_functions (unsigned __int128, ui128);
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int main ()
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{
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execute_test_functions (signed __int128, si128);
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execute_test_functions (unsigned __int128, ui128);
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return 0;
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}
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