39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
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#include <stdint.h>
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#define Fi3(S, ASM) uint64_t S(uint64_t a, uint64_t b, uint64_t c) \
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{ \
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uint64_t res = 0; \
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asm ( \
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"lg %%r2, %[a]\n" \
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"lg %%r3, %[b]\n" \
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"lg %%r0, %[c]\n" \
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"ltgr %%r0, %%r0\n" \
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ASM \
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"stg %%r0, %[res] " \
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: [res] "=m" (res) \
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: [a] "m" (a), \
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[b] "m" (b), \
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[c] "m" (c) \
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: "r0", "r2", \
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"r3", "r4" \
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); \
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return res; \
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}
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Fi3 (_selre, ".insn rrf, 0xB9F00000, %%r0, %%r3, %%r2, 8\n")
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Fi3 (_selgrz, ".insn rrf, 0xB9E30000, %%r0, %%r3, %%r2, 8\n")
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Fi3 (_selfhrnz, ".insn rrf, 0xB9C00000, %%r0, %%r3, %%r2, 7\n")
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int main(int argc, char *argv[])
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{
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uint64_t a = ~0, b = ~0, c = ~0;
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a = _selre(0x066600000066ull, 0x066600000006ull, a);
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b = _selgrz(0xF00D00000005ull, 0xF00D00000055ull, b);
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c = _selfhrnz(0x043200000044ull, 0x065400000004ull, c);
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return (int) (
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(0xFFFFFFFF00000066ull != a) ||
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(0x0000F00D00000005ull != b) ||
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(0x00000654FFFFFFFFull != c));
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}
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