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Unified Diff: source/libvpx/vp8/encoder/x86/quantize_sse2.asm

Issue 13042014: Description: (Closed) Base URL: https://src.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: libvpx: Pull from upstream Created 7 years, 9 months ago
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Index: source/libvpx/vp8/encoder/x86/quantize_sse2.asm
===================================================================
--- source/libvpx/vp8/encoder/x86/quantize_sse2.asm (revision 191025)
+++ source/libvpx/vp8/encoder/x86/quantize_sse2.asm (working copy)
@@ -1,386 +0,0 @@
-;
-; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
-;
-; Use of this source code is governed by a BSD-style license and patent
-; grant that can be found in the LICENSE file in the root of the source
-; tree. All contributing project authors may be found in the AUTHORS
-; file in the root of the source tree.
-;
-
-
-%include "vpx_ports/x86_abi_support.asm"
-%include "vp8_asm_enc_offsets.asm"
-
-
-; void vp8_regular_quantize_b_sse2 | arg
-; (BLOCK *b, | 0
-; BLOCKD *d) | 1
-
-global sym(vp8_regular_quantize_b_sse2) PRIVATE
-sym(vp8_regular_quantize_b_sse2):
- push rbp
- mov rbp, rsp
- SAVE_XMM 7
- GET_GOT rbx
-
-%if ABI_IS_32BIT
- push rdi
- push rsi
-%else
- %if LIBVPX_YASM_WIN64
- push rdi
- push rsi
- %endif
-%endif
-
- ALIGN_STACK 16, rax
- %define zrun_zbin_boost 0 ; 8
- %define abs_minus_zbin 8 ; 32
- %define temp_qcoeff 40 ; 32
- %define qcoeff 72 ; 32
- %define stack_size 104
- sub rsp, stack_size
- ; end prolog
-
-%if ABI_IS_32BIT
- mov rdi, arg(0) ; BLOCK *b
- mov rsi, arg(1) ; BLOCKD *d
-%else
- %if LIBVPX_YASM_WIN64
- mov rdi, rcx ; BLOCK *b
- mov rsi, rdx ; BLOCKD *d
- %else
- ;mov rdi, rdi ; BLOCK *b
- ;mov rsi, rsi ; BLOCKD *d
- %endif
-%endif
-
- mov rdx, [rdi + vp8_block_coeff] ; coeff_ptr
- mov rcx, [rdi + vp8_block_zbin] ; zbin_ptr
- movd xmm7, [rdi + vp8_block_zbin_extra] ; zbin_oq_value
-
- ; z
- movdqa xmm0, [rdx]
- movdqa xmm4, [rdx + 16]
- mov rdx, [rdi + vp8_block_round] ; round_ptr
-
- pshuflw xmm7, xmm7, 0
- punpcklwd xmm7, xmm7 ; duplicated zbin_oq_value
-
- movdqa xmm1, xmm0
- movdqa xmm5, xmm4
-
- ; sz
- psraw xmm0, 15
- psraw xmm4, 15
-
- ; (z ^ sz)
- pxor xmm1, xmm0
- pxor xmm5, xmm4
-
- ; x = abs(z)
- psubw xmm1, xmm0
- psubw xmm5, xmm4
-
- movdqa xmm2, [rcx]
- movdqa xmm3, [rcx + 16]
- mov rcx, [rdi + vp8_block_quant] ; quant_ptr
-
- ; *zbin_ptr + zbin_oq_value
- paddw xmm2, xmm7
- paddw xmm3, xmm7
-
- ; x - (*zbin_ptr + zbin_oq_value)
- psubw xmm1, xmm2
- psubw xmm5, xmm3
- movdqa [rsp + abs_minus_zbin], xmm1
- movdqa [rsp + abs_minus_zbin + 16], xmm5
-
- ; add (zbin_ptr + zbin_oq_value) back
- paddw xmm1, xmm2
- paddw xmm5, xmm3
-
- movdqa xmm2, [rdx]
- movdqa xmm6, [rdx + 16]
-
- movdqa xmm3, [rcx]
- movdqa xmm7, [rcx + 16]
-
- ; x + round
- paddw xmm1, xmm2
- paddw xmm5, xmm6
-
- ; y = x * quant_ptr >> 16
- pmulhw xmm3, xmm1
- pmulhw xmm7, xmm5
-
- ; y += x
- paddw xmm1, xmm3
- paddw xmm5, xmm7
-
- movdqa [rsp + temp_qcoeff], xmm1
- movdqa [rsp + temp_qcoeff + 16], xmm5
-
- pxor xmm6, xmm6
- ; zero qcoeff
- movdqa [rsp + qcoeff], xmm6
- movdqa [rsp + qcoeff + 16], xmm6
-
- mov rdx, [rdi + vp8_block_zrun_zbin_boost] ; zbin_boost_ptr
- mov rax, [rdi + vp8_block_quant_shift] ; quant_shift_ptr
- mov [rsp + zrun_zbin_boost], rdx
-
-%macro ZIGZAG_LOOP 1
- ; x
- movsx ecx, WORD PTR[rsp + abs_minus_zbin + %1 * 2]
-
- ; if (x >= zbin)
- sub cx, WORD PTR[rdx] ; x - zbin
- lea rdx, [rdx + 2] ; zbin_boost_ptr++
- jl .rq_zigzag_loop_%1 ; x < zbin
-
- movsx edi, WORD PTR[rsp + temp_qcoeff + %1 * 2]
-
- ; downshift by quant_shift[rc]
- movsx cx, BYTE PTR[rax + %1] ; quant_shift_ptr[rc]
- sar edi, cl ; also sets Z bit
- je .rq_zigzag_loop_%1 ; !y
- mov WORD PTR[rsp + qcoeff + %1 * 2], di ;qcoeff_ptr[rc] = temp_qcoeff[rc]
- mov rdx, [rsp + zrun_zbin_boost] ; reset to b->zrun_zbin_boost
-.rq_zigzag_loop_%1:
-%endmacro
-; in vp8_default_zig_zag1d order: see vp8/common/entropy.c
-ZIGZAG_LOOP 0
-ZIGZAG_LOOP 1
-ZIGZAG_LOOP 4
-ZIGZAG_LOOP 8
-ZIGZAG_LOOP 5
-ZIGZAG_LOOP 2
-ZIGZAG_LOOP 3
-ZIGZAG_LOOP 6
-ZIGZAG_LOOP 9
-ZIGZAG_LOOP 12
-ZIGZAG_LOOP 13
-ZIGZAG_LOOP 10
-ZIGZAG_LOOP 7
-ZIGZAG_LOOP 11
-ZIGZAG_LOOP 14
-ZIGZAG_LOOP 15
-
- movdqa xmm2, [rsp + qcoeff]
- movdqa xmm3, [rsp + qcoeff + 16]
-
- mov rcx, [rsi + vp8_blockd_dequant] ; dequant_ptr
- mov rdi, [rsi + vp8_blockd_dqcoeff] ; dqcoeff_ptr
-
- ; y ^ sz
- pxor xmm2, xmm0
- pxor xmm3, xmm4
- ; x = (y ^ sz) - sz
- psubw xmm2, xmm0
- psubw xmm3, xmm4
-
- ; dequant
- movdqa xmm0, [rcx]
- movdqa xmm1, [rcx + 16]
-
- mov rcx, [rsi + vp8_blockd_qcoeff] ; qcoeff_ptr
-
- pmullw xmm0, xmm2
- pmullw xmm1, xmm3
-
- movdqa [rcx], xmm2 ; store qcoeff
- movdqa [rcx + 16], xmm3
- movdqa [rdi], xmm0 ; store dqcoeff
- movdqa [rdi + 16], xmm1
-
- mov rcx, [rsi + vp8_blockd_eob]
-
- ; select the last value (in zig_zag order) for EOB
- pcmpeqw xmm2, xmm6
- pcmpeqw xmm3, xmm6
- ; !
- pcmpeqw xmm6, xmm6
- pxor xmm2, xmm6
- pxor xmm3, xmm6
- ; mask inv_zig_zag
- pand xmm2, [GLOBAL(inv_zig_zag)]
- pand xmm3, [GLOBAL(inv_zig_zag + 16)]
- ; select the max value
- pmaxsw xmm2, xmm3
- pshufd xmm3, xmm2, 00001110b
- pmaxsw xmm2, xmm3
- pshuflw xmm3, xmm2, 00001110b
- pmaxsw xmm2, xmm3
- pshuflw xmm3, xmm2, 00000001b
- pmaxsw xmm2, xmm3
- movd eax, xmm2
- and eax, 0xff
-
- mov BYTE PTR [rcx], al ; store eob
-
- ; begin epilog
- add rsp, stack_size
- pop rsp
-%if ABI_IS_32BIT
- pop rsi
- pop rdi
-%else
- %if LIBVPX_YASM_WIN64
- pop rsi
- pop rdi
- %endif
-%endif
- RESTORE_GOT
- RESTORE_XMM
- pop rbp
- ret
-
-; void vp8_fast_quantize_b_sse2 | arg
-; (BLOCK *b, | 0
-; BLOCKD *d) | 1
-
-global sym(vp8_fast_quantize_b_sse2) PRIVATE
-sym(vp8_fast_quantize_b_sse2):
- push rbp
- mov rbp, rsp
- GET_GOT rbx
-
-%if ABI_IS_32BIT
- push rdi
- push rsi
-%else
- %if LIBVPX_YASM_WIN64
- push rdi
- push rsi
- %else
- ; these registers are used for passing arguments
- %endif
-%endif
-
- ; end prolog
-
-%if ABI_IS_32BIT
- mov rdi, arg(0) ; BLOCK *b
- mov rsi, arg(1) ; BLOCKD *d
-%else
- %if LIBVPX_YASM_WIN64
- mov rdi, rcx ; BLOCK *b
- mov rsi, rdx ; BLOCKD *d
- %else
- ;mov rdi, rdi ; BLOCK *b
- ;mov rsi, rsi ; BLOCKD *d
- %endif
-%endif
-
- mov rax, [rdi + vp8_block_coeff]
- mov rcx, [rdi + vp8_block_round]
- mov rdx, [rdi + vp8_block_quant_fast]
-
- ; z = coeff
- movdqa xmm0, [rax]
- movdqa xmm4, [rax + 16]
-
- ; dup z so we can save sz
- movdqa xmm1, xmm0
- movdqa xmm5, xmm4
-
- ; sz = z >> 15
- psraw xmm0, 15
- psraw xmm4, 15
-
- ; x = abs(z) = (z ^ sz) - sz
- pxor xmm1, xmm0
- pxor xmm5, xmm4
- psubw xmm1, xmm0
- psubw xmm5, xmm4
-
- ; x += round
- paddw xmm1, [rcx]
- paddw xmm5, [rcx + 16]
-
- mov rax, [rsi + vp8_blockd_qcoeff]
- mov rcx, [rsi + vp8_blockd_dequant]
- mov rdi, [rsi + vp8_blockd_dqcoeff]
-
- ; y = x * quant >> 16
- pmulhw xmm1, [rdx]
- pmulhw xmm5, [rdx + 16]
-
- ; x = (y ^ sz) - sz
- pxor xmm1, xmm0
- pxor xmm5, xmm4
- psubw xmm1, xmm0
- psubw xmm5, xmm4
-
- ; qcoeff = x
- movdqa [rax], xmm1
- movdqa [rax + 16], xmm5
-
- ; x * dequant
- movdqa xmm2, xmm1
- movdqa xmm3, xmm5
- pmullw xmm2, [rcx]
- pmullw xmm3, [rcx + 16]
-
- ; dqcoeff = x * dequant
- movdqa [rdi], xmm2
- movdqa [rdi + 16], xmm3
-
- pxor xmm4, xmm4 ;clear all bits
- pcmpeqw xmm1, xmm4
- pcmpeqw xmm5, xmm4
-
- pcmpeqw xmm4, xmm4 ;set all bits
- pxor xmm1, xmm4
- pxor xmm5, xmm4
-
- pand xmm1, [GLOBAL(inv_zig_zag)]
- pand xmm5, [GLOBAL(inv_zig_zag + 16)]
-
- pmaxsw xmm1, xmm5
-
- mov rcx, [rsi + vp8_blockd_eob]
-
- ; now down to 8
- pshufd xmm5, xmm1, 00001110b
-
- pmaxsw xmm1, xmm5
-
- ; only 4 left
- pshuflw xmm5, xmm1, 00001110b
-
- pmaxsw xmm1, xmm5
-
- ; okay, just 2!
- pshuflw xmm5, xmm1, 00000001b
-
- pmaxsw xmm1, xmm5
-
- movd eax, xmm1
- and eax, 0xff
-
- mov BYTE PTR [rcx], al ; store eob
-
- ; begin epilog
-%if ABI_IS_32BIT
- pop rsi
- pop rdi
-%else
- %if LIBVPX_YASM_WIN64
- pop rsi
- pop rdi
- %endif
-%endif
-
- RESTORE_GOT
- pop rbp
- ret
-
-SECTION_RODATA
-align 16
-inv_zig_zag:
- dw 0x0001, 0x0002, 0x0006, 0x0007
- dw 0x0003, 0x0005, 0x0008, 0x000d
- dw 0x0004, 0x0009, 0x000c, 0x000e
- dw 0x000a, 0x000b, 0x000f, 0x0010
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