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Merge "tweak vp8_regular_quantize_b_sse2"

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Johann 2011-04-04 08:56:25 -07:00 committed by Code Review
commit 610dd90288
1 changed files with 42 additions and 52 deletions
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94
vp8/encoder/x86/quantize_sse2.asm
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@ -22,35 +22,36 @@ sym(vp8_regular_quantize_b_sse2):
mov rbp, rsp
SAVE_XMM
GET_GOT rbx
push rsi
%if ABI_IS_32BIT
push rdi
push rsi
%else
%ifidn __OUTPUT_FORMAT__,x64
push rdi
push rsi
%endif
%endif
ALIGN_STACK 16, rax
%define BLOCKD_d 0 ; 8
%define zrun_zbin_boost 8 ; 8
%define abs_minus_zbin 16 ; 32
%define temp_qcoeff 48 ; 32
%define qcoeff 80 ; 32
%define stack_size 112
%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)
mov rdi, arg(0) ; BLOCK *b
mov rsi, arg(1) ; BLOCKD *d
%else
%ifidn __OUTPUT_FORMAT__,x64
mov rdi, rcx ; BLOCK *b
mov [rsp + BLOCKD_d], rdx
mov rsi, rdx ; BLOCKD *d
%else
;mov rdi, rdi ; BLOCK *b
mov [rsp + BLOCKD_d], rsi
;mov rsi, rsi ; BLOCKD *d
%endif
%endif
@ -125,59 +126,52 @@ sym(vp8_regular_quantize_b_sse2):
movdqa [rsp + qcoeff], xmm6
movdqa [rsp + qcoeff + 16], xmm6
mov rsi, [rdi + vp8_block_zrun_zbin_boost] ; zbin_boost_ptr
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], rsi
mov [rsp + zrun_zbin_boost], rdx
%macro ZIGZAG_LOOP 1
movsx edx, WORD PTR[GLOBAL(zig_zag + (%1 * 2))] ; rc
; x
movsx ecx, WORD PTR[rsp + abs_minus_zbin + rdx *2]
movsx ecx, WORD PTR[rsp + abs_minus_zbin + %1 * 2]
; if (x >= zbin)
sub cx, WORD PTR[rsi] ; x - zbin
lea rsi, [rsi + 2] ; zbin_boost_ptr++
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 + rdx *2]
movsx edi, WORD PTR[rsp + temp_qcoeff + %1 * 2]
; downshift by quant_shift[rdx]
movsx ecx, WORD PTR[rax + rdx*2] ; quant_shift_ptr[rc]
; downshift by quant_shift[rc]
movsx ecx, WORD PTR[rax + %1 * 2] ; quant_shift_ptr[rc]
sar edi, cl ; also sets Z bit
je rq_zigzag_loop_%1 ; !y
mov WORD PTR[rsp + qcoeff + rdx*2], di ;qcoeff_ptr[rc] = temp_qcoeff[rc]
mov rsi, [rsp + zrun_zbin_boost] ; reset to b->zrun_zbin_boost
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
ZIGZAG_LOOP 0
ZIGZAG_LOOP 1
ZIGZAG_LOOP 2
ZIGZAG_LOOP 3
ZIGZAG_LOOP 4
ZIGZAG_LOOP 5
ZIGZAG_LOOP 6
ZIGZAG_LOOP 7
ZIGZAG_LOOP 8
ZIGZAG_LOOP 9
ZIGZAG_LOOP 10
ZIGZAG_LOOP 11
; 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]
%if ABI_IS_32BIT
mov rdi, arg(1)
%else
mov rdi, [rsp + BLOCKD_d]
%endif
mov rcx, [rdi + vp8_blockd_dequant] ; dequant_ptr
mov rsi, [rdi + vp8_blockd_dqcoeff] ; dqcoeff_ptr
mov rcx, [rsi + vp8_blockd_dequant] ; dequant_ptr
mov rdi, [rsi + vp8_blockd_dqcoeff] ; dqcoeff_ptr
; y ^ sz
pxor xmm2, xmm0
@ -190,15 +184,15 @@ ZIGZAG_LOOP 15
movdqa xmm0, [rcx]
movdqa xmm1, [rcx + 16]
mov rcx, [rdi + vp8_blockd_qcoeff] ; qcoeff_ptr
mov rcx, [rsi + vp8_blockd_qcoeff] ; qcoeff_ptr
pmullw xmm0, xmm2
pmullw xmm1, xmm3
movdqa [rcx], xmm2 ; store qcoeff
movdqa [rcx + 16], xmm3
movdqa [rsi], xmm0 ; store dqcoeff
movdqa [rsi + 16], xmm1
movdqa [rdi], xmm0 ; store dqcoeff
movdqa [rdi + 16], xmm1
; select the last value (in zig_zag order) for EOB
pcmpeqw xmm2, xmm6
@ -220,19 +214,20 @@ ZIGZAG_LOOP 15
pmaxsw xmm2, xmm3
movd eax, xmm2
and eax, 0xff
mov [rdi + vp8_blockd_eob], eax
mov [rsi + vp8_blockd_eob], eax
; begin epilog
add rsp, stack_size
pop rsp
%if ABI_IS_32BIT
pop rsi
pop rdi
%else
%ifidn __OUTPUT_FORMAT__,x64
pop rsi
pop rdi
%endif
%endif
pop rsi
RESTORE_GOT
RESTORE_XMM
pop rbp
@ -347,11 +342,6 @@ sym(vp8_fast_quantize_b_impl_sse2):
SECTION_RODATA
align 16
zig_zag:
dw 0x0000, 0x0001, 0x0004, 0x0008
dw 0x0005, 0x0002, 0x0003, 0x0006
dw 0x0009, 0x000c, 0x000d, 0x000a
dw 0x0007, 0x000b, 0x000e, 0x000f
inv_zig_zag:
dw 0x0001, 0x0002, 0x0006, 0x0007
dw 0x0003, 0x0005, 0x0008, 0x000d