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46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/*
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* Test the VECTOR ISOLATE STRING (vistr) instruction
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include "vx.h"
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static inline void vistr(S390Vector *v1, S390Vector *v2,
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const uint8_t m3, const uint8_t m5)
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{
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asm volatile("vistr %[v1], %[v2], %[m3], %[m5]\n"
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: [v1] "=v" (v1->v)
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: [v2] "v" (v2->v)
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, [m3] "i" (m3)
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, [m5] "i" (m5)
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: "cc");
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}
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int main(int argc, char *argv[])
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{
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S390Vector vd = {};
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S390Vector vs16 = {
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.h[0] = 0x1234, .h[1] = 0x0056, .h[2] = 0x7800, .h[3] = 0x0000,
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.h[4] = 0x0078, .h[5] = 0x0000, .h[6] = 0x6543, .h[7] = 0x2100
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};
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S390Vector vs32 = {
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.w[0] = 0x12340000, .w[1] = 0x78654300,
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.w[2] = 0x0, .w[3] = 0x12,
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};
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vistr(&vd, &vs16, 1, 0);
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if (vd.h[0] != 0x1234 || vd.h[1] != 0x0056 || vd.h[2] != 0x7800 ||
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vd.h[3] || vd.h[4] || vd.h[5] || vd.h[6] || vd.h[7]) {
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puts("ERROR: vitrh failed!");
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return 1;
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}
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vistr(&vd, &vs32, 2, 0);
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if (vd.w[0] != 0x12340000 || vd.w[1] != 0x78654300 || vd.w[2] || vd.w[3]) {
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puts("ERROR: vitrf failed!");
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return 1;
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}
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return 0;
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}
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