On Fri, 2023-11-17 at 10:21 +0800, chenglulu wrote: > Pushed to r14-5545. > > 在 2023/11/16 下午4:44, Jiahao Xu 写道: > > Based on SPEC2017 performance evaluation results, it's better to make them > > equal > > to the cost of unaligned store/load so as to avoid odd alignment peeling. > > > > gcc/ChangeLog: > > > > * config/loongarch/loongarch.cc > > (loongarch_builtin_vectorization_cost): Adjust.
/* snip */ > > + case vector_load: > > + case vector_store: > > case unaligned_load: > > case unaligned_store: > > return 2; It seems penalizing the vectorizing and causes: FAIL: gcc.target/loongarch/vector/lasx/lasx-xvstelm.c -mlasx scan-assembler-times xvstelm.w 8 Maybe we can make unaligned_load and unaligned_store cost 1 too instead of increasing vector_load and vector_store? -- Xi Ruoyao <xry...@xry111.site> School of Aerospace Science and Technology, Xidian University
