re PR tree-optimization/91201 (SIMD not generated for horizontal sum of bytes in array)
PR tree-optimization/91201 * config/i386/sse.md (reduc_plus_scal_v16qi): New expander. (REDUC_PLUS_MODE): Add V32QImode for TARGET_AVX and V64QImode for TARGET_AVX512F. (reduc_plus_scal_<mode>): Improve formatting by introducing a temporary. * gcc.target/i386/sse2-pr91201.c: New test. * gcc.target/i386/avx2-pr91201.c: New test. * gcc.target/i386/avx512bw-pr91201.c: New test. From-SVN: r273927
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gcc/testsuite/gcc.target/i386/avx2-pr91201.c
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gcc/testsuite/gcc.target/i386/sse2-pr91201.c
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