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| author | liuhongt <hongtao.liu@intel.com> | 2021-08-16 11:16:52 +0800 |
|---|---|---|
| committer | liuhongt <hongtao.liu@intel.com> | 2021-08-16 15:29:36 +0800 |
| commit | faf2b6bc527dff31725dde5538ffff1c92688047 (patch) | |
| tree | af27f429983f35e8fcdd461698df25b44455b890 /gcc/config.gcc | |
| parent | 53d5b59cb3b417ab8293702aacc75a9bbb3ead78 (diff) | |
| download | gcc-faf2b6bc527dff31725dde5538ffff1c92688047.zip gcc-faf2b6bc527dff31725dde5538ffff1c92688047.tar.gz gcc-faf2b6bc527dff31725dde5538ffff1c92688047.tar.bz2 | |
Optimize __builtin_shuffle_vector.
1. Support vpermw/vpermb in ix86_expand_vec_one_operand_perm_avx512.
2. Support 256/128-bits vpermi2b ix86_expand_vec_perm_vpermt2.
3. Add define_insn_and_split to optimize specific vector permutation to opmov{dw,wb,qd}.
gcc/ChangeLog:
PR target/101846
* config/i386/i386-expand.c (ix86_expand_vec_perm_vpermt2):
Support vpermi2b for V32QI/V16QImode.
(ix86_extract_perm_from_pool_constant): New function.
(ix86_expand_vec_one_operand_perm_avx512): Support
vpermw/vpermb under TARGET_AVX512BW/TARGET_AVX512VBMI.
(expand_vec_perm_1): Adjust comments for upper.
* config/i386/i386-protos.h (ix86_extract_perm_from_pool_constant):
New declare.
* config/i386/predicates.md (permvar_truncate_operand): New predicate.
(pshufb_truncv4siv4hi_operand): Ditto.
(pshufb_truncv8hiv8qi_operand): Ditto.
* config/i386/sse.md (*avx512bw_permvar_truncv16siv16hi_1):
New pre_reload define_insn_and_split.
(*avx512f_permvar_truncv8siv8hi_1): Ditto.
(*avx512f_vpermvar_truncv8div8si_1): Ditto.
(*avx512f_permvar_truncv32hiv32qi_1): Ditto.
(*avx512f_permvar_truncv16hiv16qi_1): Ditto.
(*avx512f_permvar_truncv4div4si_1): Ditto.
(*avx512f_pshufb_truncv8hiv8qi_1): Ditto.
(*avx512f_pshufb_truncv4siv4hi_1): Ditto.
(*avx512f_pshufd_truncv2div2si_1): Ditto.
gcc/testsuite/ChangeLog:
PR target/101846
* gcc.target/i386/pr101846-2.c: New test.
* gcc.target/i386/pr101846-3.c: New test.
* gcc.target/i386/pr101846-4.c: New test.
Diffstat (limited to 'gcc/config.gcc')
0 files changed, 0 insertions, 0 deletions