62a31161ee
The parameter list given in general register 1 shall be aligned on a quadword boundary. This test currently succeeds or fails depending on the compiler version used and the accidential layout of the function's stack frame. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com>
44 lines
973 B
C
44 lines
973 B
C
#include <stdint.h>
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#include <unistd.h>
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int main(void)
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{
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uint64_t parmlist[] __attribute__((aligned(16))) = {
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0xfedcba9876543210ull,
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0,
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0x7777777777777777ull,
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0,
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};
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uint64_t op1 = 0x0123456789abcdefull;
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uint64_t op2 = 0;
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uint64_t op3 = op1;
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uint64_t cc;
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asm volatile(
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" lghi %%r0,%[flags]\n"
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" la %%r1,%[parmlist]\n"
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" csst %[op1],%[op2],%[op3]\n"
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" ipm %[cc]\n"
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: [op1] "+m" (op1),
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[op2] "+m" (op2),
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[op3] "+r" (op3),
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[cc] "=r" (cc)
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: [flags] "K" (0x0301),
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[parmlist] "m" (parmlist)
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: "r0", "r1", "cc", "memory");
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cc = (cc >> 28) & 3;
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if (cc) {
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write(1, "bad cc\n", 7);
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return 1;
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}
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if (op1 != parmlist[0]) {
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write(1, "bad op1\n", 8);
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return 1;
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}
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if (op2 != parmlist[2]) {
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write(1, "bad op2\n", 8);
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return 1;
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}
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return 0;
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}
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