58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
#include <stdio.h>
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#include <arm_neon.h>
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int fail_count = 0;
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void dump_and_check(unsigned long long v, unsigned long long expected)
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{
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printf("%016llx\n", v);
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fail_count += (v != expected);
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}
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static const uint8x8_t v00FF8 = { 0,0,0,0, 0xff,0xff,0xff,0xff }; // wrong
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static const uint8x8_t vFF008 = { 0xff,0xff,0xff,0xff, 0,0,0,0 };
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void test1()
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{
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uint8x8_t v = v00FF8;
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dump_and_check(*(unsigned long long *)&v, 0xffffffff00000000ULL);
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}
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void test2()
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{
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static const uint64_t local_Mask2 = { 0xffffffff00000000ULL };
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uint8x8_t v00FF8 = vcreate_u8(local_Mask2); //{ 0,0,0,0,0xff,0xff,0xff,0xff };
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dump_and_check(*(unsigned long long *)&v00FF8, 0xffffffff00000000ULL);
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}
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void test3()
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{
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static const uint32_t vFF_ = { 0xFFFFFFFF };
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static const uint32_t v00_ = { 0x00000000 };
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static uint32x2_t v00FF_;
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v00FF_ = vset_lane_u32( vFF_, v00FF_, 1);
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v00FF_ = vset_lane_u32( v00_, v00FF_, 0);
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uint8x8_t v00FF8 = (uint8x8_t)v00FF_;
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dump_and_check(*(unsigned long long *)&v00FF8, 0xffffffff00000000ULL);
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}
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void test4()
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{
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uint8x8_t mask_high = vcreate_u8(0xFFFFFFFF00000000ULL);
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uint8x8_t mask_low = vcreate_u8(0x00000000FFFFFFFFULL);
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uint8x8_t va = vdup_n_u8 ('a');
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uint8x8_t vb = vdup_n_u8 ('b');
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uint8x8_t in = vorr_u8(vand_u8 (va, mask_low), vand_u8 (vb, mask_high));
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dump_and_check(*(unsigned long long *)&in, 0x6262626261616161ULL);
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}
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int main()
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{
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test1();
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test2();
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test3();
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test4();
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printf("fail_count = %d\n", fail_count);
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return (fail_count == 0)? 0 : 1;
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}
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