31 lines
571 B
C
31 lines
571 B
C
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/*
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* Test the MXDB and MXDBR instructions.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <assert.h>
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#include <stdlib.h>
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int main(void)
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{
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union {
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double d[2];
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long double ld;
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} a;
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double b;
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a.d[0] = 1.2345;
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a.d[1] = 999;
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b = 6.789;
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asm("mxdb %[a],%[b]" : [a] "+f" (a.ld) : [b] "R" (b));
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assert(a.ld > 8.38 && a.ld < 8.39);
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a.d[0] = 1.2345;
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a.d[1] = 999;
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b = 6.789;
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asm("mxdbr %[a],%[b]" : [a] "+f" (a.ld) : [b] "f" (b));
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assert(a.ld > 8.38 && a.ld < 8.39);
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return EXIT_SUCCESS;
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}
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