⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 dsputil_arm_s.s

📁 ffmpeg源码分析
💻 S
📖 第 1 页 / 共 2 页
字号:
        ldrne pc, [r5]1:        ldmia r1, {r4-r5}        add r1, r1, r26:      ldmia r1, {r6-r7}        add r1, r1, r2        pld [r1]        RND_AVG32 r8, r9, r4, r5, r6, r7, r12        ldmia r1, {r4-r5}        add r1, r1, r2        stmia r0, {r8-r9}        add r0, r0, r2        pld [r1]        RND_AVG32 r8, r9, r6, r7, r4, r5, r12        subs r3, r3, #1        stmia r0, {r8-r9}        add r0, r0, r2        bne 6b        ldmfd sp!, {r4-r11,pc}        .align 82:        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r66:      ldmia r1, {r7-r9}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 1, r7, r8, r9        RND_AVG32 r10, r11, r4, r5, r7, r8, r12        stmia r0, {r10-r11}        add r0, r0, r2        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r6        subs r3, r3, #1        RND_AVG32 r10, r11, r7, r8, r4, r5, r12        stmia r0, {r10-r11}        add r0, r0, r2        bne 6b        ldmfd sp!, {r4-r11,pc}        .align 83:        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r66:      ldmia r1, {r7-r9}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 2, r7, r8, r9        RND_AVG32 r10, r11, r4, r5, r7, r8, r12        stmia r0, {r10-r11}        add r0, r0, r2        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r6        subs r3, r3, #1        RND_AVG32 r10, r11, r7, r8, r4, r5, r12        stmia r0, {r10-r11}        add r0, r0, r2        bne 6b        ldmfd sp!, {r4-r11,pc}        .align 84:        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r66:      ldmia r1, {r7-r9}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 3, r7, r8, r9        RND_AVG32 r10, r11, r4, r5, r7, r8, r12        stmia r0, {r10-r11}        add r0, r0, r2        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r6        subs r3, r3, #1        RND_AVG32 r10, r11, r7, r8, r4, r5, r12        stmia r0, {r10-r11}        add r0, r0, r2        bne 6b        ldmfd sp!, {r4-r11,pc}        .align 85:        .word 0xFEFEFEFE        .word 2b        .word 3b        .word 4b        .align 8        .global put_no_rnd_pixels8_y2_armput_no_rnd_pixels8_y2_arm:        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)        @ block = word aligned, pixles = unaligned        pld [r1]        stmfd sp!, {r4-r11,lr} @ R14 is also called LR        adr r5, 5f        ands r4, r1, #3        mov r3, r3, lsr #1        ldr r12, [r5]        add r5, r5, r4, lsl #2        bic r1, r1, #3        ldrne pc, [r5]1:        ldmia r1, {r4-r5}        add r1, r1, r26:      ldmia r1, {r6-r7}        add r1, r1, r2        pld [r1]        NO_RND_AVG32 r8, r9, r4, r5, r6, r7, r12        ldmia r1, {r4-r5}        add r1, r1, r2        stmia r0, {r8-r9}        add r0, r0, r2        pld [r1]        NO_RND_AVG32 r8, r9, r6, r7, r4, r5, r12        subs r3, r3, #1        stmia r0, {r8-r9}        add r0, r0, r2        bne 6b        ldmfd sp!, {r4-r11,pc}        .align 82:        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r66:      ldmia r1, {r7-r9}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 1, r7, r8, r9        NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12        stmia r0, {r10-r11}        add r0, r0, r2        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r6        subs r3, r3, #1        NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12        stmia r0, {r10-r11}        add r0, r0, r2        bne 6b        ldmfd sp!, {r4-r11,pc}        .align 83:        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r66:      ldmia r1, {r7-r9}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 2, r7, r8, r9        NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12        stmia r0, {r10-r11}        add r0, r0, r2        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r6        subs r3, r3, #1        NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12        stmia r0, {r10-r11}        add r0, r0, r2        bne 6b        ldmfd sp!, {r4-r11,pc}        .align 84:        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r66:      ldmia r1, {r7-r9}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 3, r7, r8, r9        NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12        stmia r0, {r10-r11}        add r0, r0, r2        ldmia r1, {r4-r6}        add r1, r1, r2        pld [r1]        ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r6        subs r3, r3, #1        NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12        stmia r0, {r10-r11}        add r0, r0, r2        bne 6b        ldmfd sp!, {r4-r11,pc}        .align 85:        .word 0xFEFEFEFE        .word 2b        .word 3b        .word 4b@ ----------------------------------------------------------------.macro  RND_XY2_IT align, rnd        @ l1=  (a & 0x03030303) + (b & 0x03030303) ?(+ 0x02020202)        @ h1= ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2).if \align == 0        ldmia r1, {r6-r8}.elseif \align == 3        ldmia r1, {r5-r7}.else        ldmia r1, {r8-r10}.endif        add r1, r1, r2        pld [r1].if \align == 0        ADJ_ALIGN_DOUBLEWORD_D 1, r4, r5, r6, r7, r8.elseif \align == 1        ADJ_ALIGN_DOUBLEWORD_D 1, r4, r5, r8, r9, r10        ADJ_ALIGN_DOUBLEWORD_D 2, r6, r7, r8, r9, r10.elseif \align == 2        ADJ_ALIGN_DOUBLEWORD_D 2, r4, r5, r8, r9, r10        ADJ_ALIGN_DOUBLEWORD_D 3, r6, r7, r8, r9, r10.elseif \align == 3        ADJ_ALIGN_DOUBLEWORD_D 3, r4, r5, r5, r6, r7.endif        ldr r14, [r12, #0]      @ 0x03030303        tst r3, #1        and r8, r4, r14        and r9, r5, r14        and r10, r6, r14        and r11, r7, r14.if \rnd == 1        ldreq r14, [r12, #16]   @ 0x02020202.else        ldreq r14, [r12, #28]   @ 0x01010101.endif        add r8, r8, r10        add r9, r9, r11        addeq r8, r8, r14        addeq r9, r9, r14        ldr r14, [r12, #20]     @ 0xFCFCFCFC >> 2        and r4, r14, r4, lsr #2        and r5, r14, r5, lsr #2        and r6, r14, r6, lsr #2        and r7, r14, r7, lsr #2        add r10, r4, r6        add r11, r5, r7.endm.macro RND_XY2_EXPAND align, rnd        RND_XY2_IT \align, \rnd6:      stmfd sp!, {r8-r11}        RND_XY2_IT \align, \rnd        ldmfd sp!, {r4-r7}        add r4, r4, r8        add r5, r5, r9        add r6, r6, r10        add r7, r7, r11        ldr r14, [r12, #24]     @ 0x0F0F0F0F        and r4, r14, r4, lsr #2        and r5, r14, r5, lsr #2        add r4, r4, r6        add r5, r5, r7        subs r3, r3, #1        stmia r0, {r4-r5}        add r0, r0, r2        bne 6b        ldmfd sp!, {r4-r11,pc}.endm        .align 8        .global put_pixels8_xy2_armput_pixels8_xy2_arm:        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)        @ block = word aligned, pixles = unaligned        pld [r1]        stmfd sp!, {r4-r11,lr} @ R14 is also called LR        adrl r12, 5f        ands r4, r1, #3        add r5, r12, r4, lsl #2        bic r1, r1, #3        ldrne pc, [r5]1:        RND_XY2_EXPAND 0, 1        .align 82:        RND_XY2_EXPAND 1, 1        .align 83:        RND_XY2_EXPAND 2, 1        .align 84:        RND_XY2_EXPAND 3, 15:        .word 0x03030303        .word 2b        .word 3b        .word 4b        .word 0x02020202        .word 0xFCFCFCFC >> 2        .word 0x0F0F0F0F        .word 0x01010101        .align 8        .global put_no_rnd_pixels8_xy2_armput_no_rnd_pixels8_xy2_arm:        @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)        @ block = word aligned, pixles = unaligned        pld [r1]        stmfd sp!, {r4-r11,lr} @ R14 is also called LR        adrl r12, 5f        ands r4, r1, #3        add r5, r12, r4, lsl #2        bic r1, r1, #3        ldrne pc, [r5]1:        RND_XY2_EXPAND 0, 0        .align 82:        RND_XY2_EXPAND 1, 0        .align 83:        RND_XY2_EXPAND 2, 0        .align 84:        RND_XY2_EXPAND 3, 05:        .word 0x03030303        .word 2b        .word 3b        .word 4b        .word 0x02020202        .word 0xFCFCFCFC >> 2        .word 0x0F0F0F0F        .word 0x01010101

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -