ffmpeg | branch: master | Rémi Denis-Courmont <r...@remlab.net> | Sat May 25 16:43:17 2024 +0300| [a11122f9c63bdb66e3f8bc7e2cd380cdc9c9a51c] | committer: Rémi Denis-Courmont
lavc/vp8dsp: save one R-V GPR This saves one instruction and frees up A5, which will be repurposed in later changes. Unfortunately, we need to add quite a lot of alternative code for this. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a11122f9c63bdb66e3f8bc7e2cd380cdc9c9a51c --- libavcodec/riscv/vp8dsp_rvv.S | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) diff --git a/libavcodec/riscv/vp8dsp_rvv.S b/libavcodec/riscv/vp8dsp_rvv.S index dc48197cf1..3b2d8600d6 100644 --- a/libavcodec/riscv/vp8dsp_rvv.S +++ b/libavcodec/riscv/vp8dsp_rvv.S @@ -201,24 +201,33 @@ endconst .macro epel_load dst len size type from_mem regtype .ifc \type,v - mv a5, a3 + sub t6, a2, a3 + add a7, a2, a3 .else - li a5, 1 + addi t6, a2, -1 + addi a7, a2, 1 .endif - sub t6, a2, a5 - add a7, a2, a5 .if \from_mem vle8.v v24, (a2) vle8.v v22, (t6) vle8.v v26, (a7) - add a7, a7, a5 +.ifc \type,v + add a7, a7, a3 +.else + addi a7, a7, 1 +.endif vle8.v v28, (a7) vwmulu.vx v16, v24, \regtype\()2 vwmulu.vx v20, v26, \regtype\()3 .ifc \size,6 - sub t6, t6, a5 - add a7, a7, a5 +.ifc \type,v + sub t6, t6, a3 + add a7, a7, a3 +.else + addi t6, t6, -1 + addi a7, a7, 1 +.endif vle8.v v24, (t6) vle8.v v26, (a7) vwmaccu.vx v16, \regtype\()0, v24 _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
