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feat: Add vqneg[q]_s64 #494

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Jul 31, 2024
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feat: Add vqneg[q]_s64 #494

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12 changes: 10 additions & 2 deletions neon2rvv.h
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Original file line number Diff line number Diff line change
Expand Up @@ -7185,9 +7185,17 @@ FORCE_INLINE int32x4_t vqnegq_s32(int32x4_t a) {
return __riscv_vnclip_wx_i32m1(a_neg, 0, __RISCV_VXRM_RDN, 4);
}

// FORCE_INLINE int64x1_t vqneg_s64(int64x1_t a);
FORCE_INLINE int64x1_t vqneg_s64(int64x1_t a) {
vbool64_t min_mask = __riscv_vmseq_vx_i64m1_b64(a, INT64_MIN, 1);
vint64m1_t a_neg = __riscv_vneg_v_i64m1(a, 1);
return __riscv_vmerge_vxm_i64m1(a_neg, INT64_MAX, min_mask, 1);
}

// FORCE_INLINE int64x2_t vqnegq_s64(int64x2_t a);
FORCE_INLINE int64x2_t vqnegq_s64(int64x2_t a) {
vbool64_t min_mask = __riscv_vmseq_vx_i64m1_b64(a, INT64_MIN, 2);
vint64m1_t a_neg = __riscv_vneg_v_i64m1(a, 2);
return __riscv_vmerge_vxm_i64m1(a_neg, INT64_MAX, min_mask, 2);
}

// FORCE_INLINE int8_t vqnegb_s8(int8_t a);

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76 changes: 73 additions & 3 deletions tests/impl.cpp
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Expand Up @@ -25839,23 +25839,93 @@ result_t test_vqnegq_s16(const NEON2RVV_TEST_IMPL &impl, uint32_t iter) {

result_t test_vqnegq_s32(const NEON2RVV_TEST_IMPL &impl, uint32_t iter) {
#ifdef ENABLE_TEST_ALL
const int32_t *_a = (const int32_t *)impl.test_cases_int_pointer1;
int32_t *_a = (int32_t *)impl.test_cases_int_pointer1;
int32_t _c[4];
for (int i = 0; i < 4; i++) {
_c[i] = saturate_int32(-(int64_t)_a[i]);
}

int32x4_t a = vld1q_s32(_a);
int32x4_t c = vqnegq_s32(a);
CHECK_RESULT(validate_int32(c, _c[0], _c[1], _c[2], _c[3]))

_a[0] = INT32_MAX;
_a[1] = INT32_MIN;
for (int i = 0; i < 4; i++) {
_c[i] = saturate_int32(-(int64_t)_a[i]);
}

a = vld1q_s32(_a);
c = vqnegq_s32(a);
return validate_int32(c, _c[0], _c[1], _c[2], _c[3]);
#else
return TEST_UNIMPL;
#endif // ENABLE_TEST_ALL
}

result_t test_vqneg_s64(const NEON2RVV_TEST_IMPL &impl, uint32_t iter) { return TEST_UNIMPL; }
result_t test_vqneg_s64(const NEON2RVV_TEST_IMPL &impl, uint32_t iter) {
#ifdef ENABLE_TEST_ALL
int64_t *_a = (int64_t *)impl.test_cases_int_pointer1;
int64_t _c[1];
for (int i = 0; i < 1; i++) {
if (_a[i] == INT64_MIN) {
_c[i] = INT64_MAX;
} else {
_c[i] = -_a[i];
}
}
int64x1_t a = vld1_s64(_a);
int64x1_t c = vqneg_s64(a);
CHECK_RESULT(validate_int64(c, _c[0]))

_a[0] = INT64_MAX;
_a[1] = INT64_MIN;
for (int i = 0; i < 1; i++) {
if (_a[i] == INT64_MIN) {
_c[i] = INT64_MAX;
} else {
_c[i] = -_a[i];
}
}
a = vld1_s64(_a);
c = vqneg_s64(a);
return validate_int64(c, _c[0]);
#else
return TEST_UNIMPL;
#endif // ENABLE_TEST_ALL
}

result_t test_vqnegq_s64(const NEON2RVV_TEST_IMPL &impl, uint32_t iter) {
#ifdef ENABLE_TEST_ALL
int64_t *_a = (int64_t *)impl.test_cases_int_pointer1;
int64_t _c[2];
for (int i = 0; i < 2; i++) {
if (_a[i] == INT64_MIN) {
_c[i] = INT64_MAX;
} else {
_c[i] = -_a[i];
}
}
int64x2_t a = vld1q_s64(_a);
int64x2_t c = vqnegq_s64(a);
CHECK_RESULT(validate_int64(c, _c[0], _c[1]))

result_t test_vqnegq_s64(const NEON2RVV_TEST_IMPL &impl, uint32_t iter) { return TEST_UNIMPL; }
_a[0] = INT64_MAX;
_a[1] = INT64_MIN;
for (int i = 0; i < 2; i++) {
if (_a[i] == INT64_MIN) {
_c[i] = INT64_MAX;
} else {
_c[i] = -_a[i];
}
}
a = vld1q_s64(_a);
c = vqnegq_s64(a);
return validate_int64(c, _c[0], _c[1]);
#else
return TEST_UNIMPL;
#endif // ENABLE_TEST_ALL
}

result_t test_vqnegb_s8(const NEON2RVV_TEST_IMPL &impl, uint32_t iter) { return TEST_UNIMPL; }

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4 changes: 2 additions & 2 deletions tests/impl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1338,8 +1338,8 @@
_(vqnegq_s8) \
_(vqnegq_s16) \
_(vqnegq_s32) \
/*_(vqneg_s64) */ \
/*_(vqnegq_s64) */ \
_(vqneg_s64) \
_(vqnegq_s64) \
/*_(vqnegb_s8) */ \
/*_(vqnegh_s16) */ \
/*_(vqnegs_s32) */ \
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