diff options
Diffstat (limited to 'vp8/encoder/x86/sad_sse2.asm')
-rw-r--r-- | vp8/encoder/x86/sad_sse2.asm | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/vp8/encoder/x86/sad_sse2.asm b/vp8/encoder/x86/sad_sse2.asm index 04ee72f72..1011c9553 100644 --- a/vp8/encoder/x86/sad_sse2.asm +++ b/vp8/encoder/x86/sad_sse2.asm @@ -328,3 +328,83 @@ x16x8sad_wmt_early_exit: UNSHADOW_ARGS pop rbp ret + +;void vp8_copy32xn_sse2( +; unsigned char *src_ptr, +; int src_stride, +; unsigned char *dst_ptr, +; int dst_stride, +; int height); +global sym(vp8_copy32xn_sse2) +sym(vp8_copy32xn_sse2): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 5 + SAVE_XMM 7 + push rsi + push rdi + ; end prolog + + mov rsi, arg(0) ;src_ptr + mov rdi, arg(2) ;dst_ptr + + movsxd rax, dword ptr arg(1) ;src_stride + movsxd rdx, dword ptr arg(3) ;dst_stride + movsxd rcx, dword ptr arg(4) ;height + +block_copy_sse2_loopx4: + movdqu xmm0, XMMWORD PTR [rsi] + movdqu xmm1, XMMWORD PTR [rsi + 16] + movdqu xmm2, XMMWORD PTR [rsi + rax] + movdqu xmm3, XMMWORD PTR [rsi + rax + 16] + + lea rsi, [rsi+rax*2] + + movdqu xmm4, XMMWORD PTR [rsi] + movdqu xmm5, XMMWORD PTR [rsi + 16] + movdqu xmm6, XMMWORD PTR [rsi + rax] + movdqu xmm7, XMMWORD PTR [rsi + rax + 16] + + lea rsi, [rsi+rax*2] + + movdqa XMMWORD PTR [rdi], xmm0 + movdqa XMMWORD PTR [rdi + 16], xmm1 + movdqa XMMWORD PTR [rdi + rdx], xmm2 + movdqa XMMWORD PTR [rdi + rdx + 16], xmm3 + + lea rdi, [rdi+rdx*2] + + movdqa XMMWORD PTR [rdi], xmm4 + movdqa XMMWORD PTR [rdi + 16], xmm5 + movdqa XMMWORD PTR [rdi + rdx], xmm6 + movdqa XMMWORD PTR [rdi + rdx + 16], xmm7 + + lea rdi, [rdi+rdx*2] + + sub rcx, 4 + cmp rcx, 4 + jge block_copy_sse2_loopx4 + + cmp rcx, 0 + je copy_is_done + +block_copy_sse2_loop: + movdqu xmm0, XMMWORD PTR [rsi] + movdqu xmm1, XMMWORD PTR [rsi + 16] + lea rsi, [rsi+rax] + + movdqa XMMWORD PTR [rdi], xmm0 + movdqa XMMWORD PTR [rdi + 16], xmm1 + lea rdi, [rdi+rdx] + + sub rcx, 1 + jne block_copy_sse2_loop + +copy_is_done: + ; begin epilog + pop rdi + pop rsi + RESTORE_XMM + UNSHADOW_ARGS + pop rbp + ret |