[Bug tree-optimization/111970] [14 regression] SLP for non-IFN gathers result in RISC-V test failure on gather since r14-4745-gbeab5b95c58145

[pan2.li at intel dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111970

--- Comment #8 from Li Pan <pan2.li at intel dot com> ---
Still fail in upstream.

../__RISC-V_INSTALL___RV64/bin/riscv64-unknown-elf-gcc -march=rv64imafdcv
-mabi=lp64d \
  -ftree-vectorize -O3 --param riscv-autovec-preference=fixed-vlmax \
  --param riscv-autovec-lmul=dynamic --param vect-epilogues-nomask=0 \
  -ffast-math -lm
gcc/testsuite/gcc.target/riscv/rvv/autovec/gather-scatter/gather_load_run-12.c
\
  -o test.elf

../build-qemu/qemu-riscv64 -cpu rv64,v=true,vlen=128,elen=64,vext_spec=v1.0
test.elf
assertion "dest_int32_t_int8_t[i * 2] == (src_int32_t_int8_t
[index_int32_t_int8_t[i * 2]] + 1)"
  failed: file
"gcc/testsuite/gcc.target/riscv/rvv/autovec/gather-scatter/gather_load_run-12.c",
line 45, function: main

../__RISC-V_INSTALL___RV64/bin/riscv64-unknown-elf-gcc --version
riscv64-unknown-elf-gcc (GCC) 14.0.0 20231021 (experimental)
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