32 lines
734 B
C
32 lines
734 B
C
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/*
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* Test the LOAD ADDRESS EXTENDED instruction.
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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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unsigned long long ar = -1, b2 = 100000, r, x2 = 500;
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/*
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* Hardcode the register number, since clang does not allow using %rN in
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* place of %aN.
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*/
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register unsigned long long r2 __asm__("2");
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int tmp;
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asm("ear %[tmp],%%a2\n"
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"lae %%r2,42(%[x2],%[b2])\n"
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"ear %[ar],%%a2\n"
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"sar %%a2,%[tmp]"
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: [tmp] "=&r" (tmp), "=&r" (r2), [ar] "+r" (ar)
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: [b2] "r" (b2), [x2] "r" (x2)
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: "memory");
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r = r2;
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assert(ar == 0xffffffff00000000ULL);
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assert(r == 100542);
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return EXIT_SUCCESS;
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}
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