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* config/i386/sse.md (VI4SD_AVX2): Removed.
(VI48_AVX2, VI128_128, VI48_128, VI48_256): New mode iterators.
(vashl<mode>3): Use VI12_128 iterator instead of VI124_128.
Add another expander using VI48_128 iterator for
TARGET_AVX2 || TARGET_XOP and another using VI48_256 iterator
for TARGET_AVX2.
(vlshr<mode>3): Likewise. Change register_operand predicate to
nonimmediate_operand on last operand in the VI12_128 expander.
(vashr<mode>3): Use VI128_128 iterator instead of VI124_128.
(vashrv4si3, vashrv8si3): New expanders.
(avx2_ashrvv8si, avx2_ashrvv4si, avx2_<lshift>vv8si,
avx2_<lshift>vv2di): Removed.
(avx2_ashrv<mode>): New insn with VI4_AVX2 iterator.
(avx2_<lshift>v<mode>): Macroize using VI48_AVX2
iterator. Simplify pattern.
* gcc.dg/vshift-1.c: New test.
* gcc.dg/vshift-2.c: New test.
* gcc.target/i386/xop-vshift-1.c: New test.
* gcc.target/i386/xop-vshift-2.c: New test.
* gcc.target/i386/avx2-vshift-1.c: New test.
From-SVN: r180609
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