187 lines
4.4 KiB
NASM
187 lines
4.4 KiB
NASM
;
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; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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%include "vpx_ports/x86_abi_support.asm"
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;int vp8_block_error_sse2(short *coeff_ptr, short *dcoef_ptr)
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global sym(vp8_block_error_sse2) PRIVATE
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sym(vp8_block_error_sse2):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 2
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push rsi
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push rdi
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; end prologue
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mov rsi, arg(0) ;coeff_ptr
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mov rdi, arg(1) ;dcoef_ptr
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movdqa xmm0, [rsi]
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movdqa xmm1, [rdi]
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movdqa xmm2, [rsi+16]
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movdqa xmm3, [rdi+16]
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psubw xmm0, xmm1
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psubw xmm2, xmm3
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pmaddwd xmm0, xmm0
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pmaddwd xmm2, xmm2
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paddd xmm0, xmm2
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pxor xmm5, xmm5
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movdqa xmm1, xmm0
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punpckldq xmm0, xmm5
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punpckhdq xmm1, xmm5
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paddd xmm0, xmm1
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movdqa xmm1, xmm0
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psrldq xmm0, 8
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paddd xmm0, xmm1
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movq rax, xmm0
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pop rdi
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pop rsi
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; begin epilog
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UNSHADOW_ARGS
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pop rbp
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ret
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;int vp8_mbblock_error_sse2_impl(short *coeff_ptr, short *dcoef_ptr, int dc);
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global sym(vp8_mbblock_error_sse2_impl) PRIVATE
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sym(vp8_mbblock_error_sse2_impl):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 3
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SAVE_XMM 6
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push rsi
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push rdi
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; end prolog
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mov rsi, arg(0) ;coeff_ptr
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pxor xmm6, xmm6
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mov rdi, arg(1) ;dcoef_ptr
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pxor xmm4, xmm4
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movd xmm5, dword ptr arg(2) ;dc
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por xmm5, xmm4
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pcmpeqw xmm5, xmm6
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mov rcx, 16
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.mberror_loop:
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movdqa xmm0, [rsi]
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movdqa xmm1, [rdi]
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movdqa xmm2, [rsi+16]
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movdqa xmm3, [rdi+16]
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psubw xmm2, xmm3
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pmaddwd xmm2, xmm2
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psubw xmm0, xmm1
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pand xmm0, xmm5
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pmaddwd xmm0, xmm0
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add rsi, 32
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add rdi, 32
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sub rcx, 1
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paddd xmm4, xmm2
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paddd xmm4, xmm0
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jnz .mberror_loop
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movdqa xmm0, xmm4
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punpckldq xmm0, xmm6
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punpckhdq xmm4, xmm6
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paddd xmm0, xmm4
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movdqa xmm1, xmm0
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psrldq xmm0, 8
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paddd xmm0, xmm1
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movq rax, xmm0
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pop rdi
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pop rsi
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; begin epilog
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RESTORE_XMM
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UNSHADOW_ARGS
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pop rbp
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ret
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;int vp8_mbuverror_sse2_impl(short *s_ptr, short *d_ptr);
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global sym(vp8_mbuverror_sse2_impl) PRIVATE
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sym(vp8_mbuverror_sse2_impl):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 2
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push rsi
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push rdi
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; end prolog
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mov rsi, arg(0) ;s_ptr
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mov rdi, arg(1) ;d_ptr
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mov rcx, 16
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pxor xmm3, xmm3
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.mbuverror_loop:
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movdqa xmm1, [rsi]
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movdqa xmm2, [rdi]
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psubw xmm1, xmm2
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pmaddwd xmm1, xmm1
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paddd xmm3, xmm1
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add rsi, 16
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add rdi, 16
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dec rcx
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jnz .mbuverror_loop
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pxor xmm0, xmm0
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movdqa xmm1, xmm3
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movdqa xmm2, xmm1
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punpckldq xmm1, xmm0
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punpckhdq xmm2, xmm0
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paddd xmm1, xmm2
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movdqa xmm2, xmm1
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psrldq xmm1, 8
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paddd xmm1, xmm2
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movq rax, xmm1
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pop rdi
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pop rsi
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; begin epilog
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UNSHADOW_ARGS
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pop rbp
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ret
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