43 lines
959 B
C
43 lines
959 B
C
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/* Test that using a character splat to set up a shift-right logical
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for a doubleword vector works correctly after gimple folding. */
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/* { dg-do run { target { p8vector_hw } } } */
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/* { dg-options "-O2 -mpower8-vector" } */
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#include <altivec.h>
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typedef __vector unsigned long long vui64_t;
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static inline vui64_t
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vec_srdi (vui64_t vra, const unsigned int shb)
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{
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vui64_t rshift;
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vui64_t result;
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/* Note legitimate use of wrong-type splat due to expectation that only
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lower 6-bits are read. */
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rshift = (vui64_t) vec_splat_s8 (shb);
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/* Vector Shift Right [Logical] Doublewords based on the lower 6-bits
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of corresponding element of rshift. */
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result = vec_vsrd (vra, rshift);
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return result;
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}
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__attribute__ ((noinline)) vui64_t
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test_srdi_4 (vui64_t a)
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{
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return vec_srdi (a, 4);
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}
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int
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main ()
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{
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vui64_t x = {1992357, 1025};
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x = test_srdi_4 (x);
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if (x[0] != 124522 || x[1] != 64)
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__builtin_abort ();
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return 0;
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}
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