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authorHongyu Wang <hongyu.wang@intel.com>2021-07-01 13:17:32 +0800
committerliuhongt <hongtao.liu@intel.com>2021-09-23 17:05:02 +0800
commit60698a19c77aef8c96d14238975e12fad653e7fb (patch)
tree03554bebd20e7ef196af0681af3c9ff9ea27166f /gcc/tree-vect-data-refs.c
parentfccd8855ed4ed9d1cc0e55fc1758b3288468657e (diff)
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AVX512FP16: Add fix(uns)?_truncmn2 for HF scalar and vector modes
NB: 64bit/32bit vectorize for HFmode is not supported for now, will adjust this patch when V2HF/V4HF operations supported. gcc/ChangeLog: * config/i386/i386.md (fix<fixunssuffix>_trunchf<mode>2): New expander. (fixuns_trunchfhi2): Likewise. (*fixuns_trunchfsi2zext): New define_insn. * config/i386/sse.md (ssePHmodelower): New mode_attr. (fix<fixunssuffix>_trunc<ssePHmodelower><mode>2): New expander for same element vector fix_truncate. (fix<fixunssuffix>_trunc<ssePHmodelower><mode>2): Likewise for V4HF to V4SI/V4DI fix_truncate. (fix<fixunssuffix>_truncv2hfv2di2): Likeise for V2HF to V2DI fix_truncate. gcc/testsuite/ChangeLog: * gcc.target/i386/avx512fp16-trunchf.c: New test. * gcc.target/i386/avx512fp16-truncvnhf.c: Ditto.
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