On Sat, 2023-09-09 at 15:04 +0800, chenglulu wrote: > Hi,RuoYao: > > I think the test example memcpy-vec-3.c submitted in r14-3818 is > implemented incorrectly. > > The 16-byte length in this test example will cause can_move_by_pieces to > return true when with '-mstrict-align', so no vector load instructions > will be generated.
Yes, in this case we cannot use vst because we don't know if b is aligned. Thus a { scan-assembler-not "vst" } guarantees that. Or am I understanding something wrongly here? -- Xi Ruoyao <xry...@xry111.site> School of Aerospace Science and Technology, Xidian University