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ARM: use rX register names in simple_idct_armv6.S
Originally committed as revision 16567 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård
parent
90993b3848
commit
3b16c71984
@ -52,158 +52,158 @@ w57: .long W57
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/*
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Compute partial IDCT of single row.
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shift = left-shift amount
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a1 = source address
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a3 = row[2,0] <= 2 cycles
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a4 = row[3,1]
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r0 = source address
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r2 = row[2,0] <= 2 cycles
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r3 = row[3,1]
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ip = w42 <= 2 cycles
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Output in registers v1--v8
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Output in registers r4--r11
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*/
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.macro idct_row shift
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ldr lr, [pc, #(w46-.-8)] /* lr = W4 | (W6 << 16) */
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mov a2, #(1<<(\shift-1))
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smlad v1, a3, ip, a2
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smlsd v4, a3, ip, a2
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mov r1, #(1<<(\shift-1))
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smlad r4, r2, ip, r1
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smlsd r7, r2, ip, r1
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ldr ip, [pc, #(w13-.-8)] /* ip = W1 | (W3 << 16) */
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ldr v7, [pc, #(w57-.-8)] /* v7 = W5 | (W7 << 16) */
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smlad v2, a3, lr, a2
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smlsd v3, a3, lr, a2
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ldr r10,[pc, #(w57-.-8)] /* r10 = W5 | (W7 << 16) */
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smlad r5, r2, lr, r1
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smlsd r6, r2, lr, r1
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smuad v5, a4, ip /* v5 = B0 = W1*row[1] + W3*row[3] */
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smusdx fp, a4, v7 /* fp = B3 = W7*row[1] - W5*row[3] */
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ldr lr, [a1, #12] /* lr = row[7,5] */
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pkhtb a3, ip, v7, asr #16 /* a4 = W7 | (W3 << 16) */
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pkhbt a2, ip, v7, lsl #16 /* a2 = W1 | (W5 << 16) */
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smusdx v6, a3, a4 /* v6 = -B1 = W7*row[3] - W3*row[1] */
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smlad v5, lr, v7, v5 /* B0 += W5*row[5] + W7*row[7] */
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smusdx v7, a4, a2 /* v7 = B2 = W5*row[1] - W1*row[3] */
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smuad r8, r3, ip /* r8 = B0 = W1*row[1] + W3*row[3] */
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smusdx r11,r3, r10 /* r11 = B3 = W7*row[1] - W5*row[3] */
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ldr lr, [r0, #12] /* lr = row[7,5] */
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pkhtb r2, ip, r10,asr #16 /* r3 = W7 | (W3 << 16) */
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pkhbt r1, ip, r10,lsl #16 /* r1 = W1 | (W5 << 16) */
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smusdx r9, r2, r3 /* r9 = -B1 = W7*row[3] - W3*row[1] */
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smlad r8, lr, r10,r8 /* B0 += W5*row[5] + W7*row[7] */
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smusdx r10,r3, r1 /* r10 = B2 = W5*row[1] - W1*row[3] */
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ldr a4, [pc, #(w42n-.-8)] /* a4 = -W4 | (-W2 << 16) */
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smlad v7, lr, a3, v7 /* B2 += W7*row[5] + W3*row[7] */
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ldr a3, [a1, #4] /* a3 = row[6,4] */
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smlsdx fp, lr, ip, fp /* B3 += W3*row[5] - W1*row[7] */
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ldr r3, [pc, #(w42n-.-8)] /* r3 = -W4 | (-W2 << 16) */
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smlad r10,lr, r2, r10 /* B2 += W7*row[5] + W3*row[7] */
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ldr r2, [r0, #4] /* r2 = row[6,4] */
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smlsdx r11,lr, ip, r11 /* B3 += W3*row[5] - W1*row[7] */
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ldr ip, [pc, #(w46-.-8)] /* ip = W4 | (W6 << 16) */
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smlad v6, lr, a2, v6 /* B1 -= W1*row[5] + W5*row[7] */
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smlad r9, lr, r1, r9 /* B1 -= W1*row[5] + W5*row[7] */
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smlad v2, a3, a4, v2 /* A1 += -W4*row[4] - W2*row[6] */
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smlsd v3, a3, a4, v3 /* A2 += -W4*row[4] + W2*row[6] */
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smlad v1, a3, ip, v1 /* A0 += W4*row[4] + W6*row[6] */
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smlsd v4, a3, ip, v4 /* A3 += W4*row[4] - W6*row[6] */
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smlad r5, r2, r3, r5 /* A1 += -W4*row[4] - W2*row[6] */
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smlsd r6, r2, r3, r6 /* A2 += -W4*row[4] + W2*row[6] */
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smlad r4, r2, ip, r4 /* A0 += W4*row[4] + W6*row[6] */
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smlsd r7, r2, ip, r7 /* A3 += W4*row[4] - W6*row[6] */
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.endm
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/*
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Compute partial IDCT of half row.
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shift = left-shift amount
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a3 = row[2,0]
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a4 = row[3,1]
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r2 = row[2,0]
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r3 = row[3,1]
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ip = w42
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Output in registers v1--v8
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Output in registers r4--r11
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*/
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.macro idct_row4 shift
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ldr lr, [pc, #(w46-.-8)] /* lr = W4 | (W6 << 16) */
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ldr v7, [pc, #(w57-.-8)] /* v7 = W5 | (W7 << 16) */
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mov a2, #(1<<(\shift-1))
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smlad v1, a3, ip, a2
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smlsd v4, a3, ip, a2
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ldr r10,[pc, #(w57-.-8)] /* r10 = W5 | (W7 << 16) */
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mov r1, #(1<<(\shift-1))
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smlad r4, r2, ip, r1
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smlsd r7, r2, ip, r1
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ldr ip, [pc, #(w13-.-8)] /* ip = W1 | (W3 << 16) */
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smlad v2, a3, lr, a2
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smlsd v3, a3, lr, a2
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smusdx fp, a4, v7 /* fp = B3 = W7*row[1] - W5*row[3] */
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smuad v5, a4, ip /* v5 = B0 = W1*row[1] + W3*row[3] */
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pkhtb a3, ip, v7, asr #16 /* a4 = W7 | (W3 << 16) */
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pkhbt a2, ip, v7, lsl #16 /* a2 = W1 | (W5 << 16) */
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smusdx v6, a3, a4 /* v6 = -B1 = W7*row[3] - W3*row[1] */
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smusdx v7, a4, a2 /* v7 = B2 = W5*row[1] - W1*row[3] */
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smlad r5, r2, lr, r1
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smlsd r6, r2, lr, r1
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smusdx r11,r3, r10 /* r11 = B3 = W7*row[1] - W5*row[3] */
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smuad r8, r3, ip /* r8 = B0 = W1*row[1] + W3*row[3] */
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pkhtb r2, ip, r10,asr #16 /* r3 = W7 | (W3 << 16) */
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pkhbt r1, ip, r10,lsl #16 /* r1 = W1 | (W5 << 16) */
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smusdx r9, r2, r3 /* r9 = -B1 = W7*row[3] - W3*row[1] */
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smusdx r10,r3, r1 /* r10 = B2 = W5*row[1] - W1*row[3] */
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.endm
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/*
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Compute final part of IDCT single row without shift.
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Input in registers v1--v8
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Output in registers ip, v1--v3, lr, v5--v7
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Input in registers r4--r11
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Output in registers ip, r4--r6, lr, r8--r10
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*/
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.macro idct_finish
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add ip, v1, v5 /* a2 = A0 + B0 */
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sub lr, v1, v5 /* a3 = A0 - B0 */
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sub v1, v2, v6 /* a3 = A1 + B1 */
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add v5, v2, v6 /* a3 = A1 - B1 */
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add v2, v3, v7 /* a2 = A2 + B2 */
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sub v6, v3, v7 /* a2 = A2 - B2 */
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add v3, v4, fp /* a3 = A3 + B3 */
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sub v7, v4, fp /* a3 = A3 - B3 */
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add ip, r4, r8 /* r1 = A0 + B0 */
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sub lr, r4, r8 /* r2 = A0 - B0 */
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sub r4, r5, r9 /* r2 = A1 + B1 */
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add r8, r5, r9 /* r2 = A1 - B1 */
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add r5, r6, r10 /* r1 = A2 + B2 */
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sub r9, r6, r10 /* r1 = A2 - B2 */
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add r6, r7, r11 /* r2 = A3 + B3 */
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sub r10,r7, r11 /* r2 = A3 - B3 */
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.endm
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/*
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Compute final part of IDCT single row.
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shift = right-shift amount
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Input/output in registers v1--v8
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Input/output in registers r4--r11
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*/
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.macro idct_finish_shift shift
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add a4, v1, v5 /* a4 = A0 + B0 */
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sub a3, v1, v5 /* a3 = A0 - B0 */
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mov v1, a4, asr #\shift
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mov v5, a3, asr #\shift
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add r3, r4, r8 /* r3 = A0 + B0 */
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sub r2, r4, r8 /* r2 = A0 - B0 */
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mov r4, r3, asr #\shift
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mov r8, r2, asr #\shift
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sub a4, v2, v6 /* a4 = A1 + B1 */
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add a3, v2, v6 /* a3 = A1 - B1 */
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mov v2, a4, asr #\shift
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mov v6, a3, asr #\shift
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sub r3, r5, r9 /* r3 = A1 + B1 */
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add r2, r5, r9 /* r2 = A1 - B1 */
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mov r5, r3, asr #\shift
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mov r9, r2, asr #\shift
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add a4, v3, v7 /* a4 = A2 + B2 */
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sub a3, v3, v7 /* a3 = A2 - B2 */
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mov v3, a4, asr #\shift
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mov v7, a3, asr #\shift
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add r3, r6, r10 /* r3 = A2 + B2 */
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sub r2, r6, r10 /* r2 = A2 - B2 */
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mov r6, r3, asr #\shift
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mov r10,r2, asr #\shift
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add a4, v4, fp /* a4 = A3 + B3 */
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sub a3, v4, fp /* a3 = A3 - B3 */
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mov v4, a4, asr #\shift
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mov fp, a3, asr #\shift
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add r3, r7, r11 /* r3 = A3 + B3 */
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sub r2, r7, r11 /* r2 = A3 - B3 */
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mov r7, r3, asr #\shift
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mov r11,r2, asr #\shift
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.endm
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/*
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Compute final part of IDCT single row, saturating results at 8 bits.
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shift = right-shift amount
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Input/output in registers v1--v8
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Input/output in registers r4--r11
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*/
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.macro idct_finish_shift_sat shift
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add a4, v1, v5 /* a4 = A0 + B0 */
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sub ip, v1, v5 /* ip = A0 - B0 */
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usat v1, #8, a4, asr #\shift
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usat v5, #8, ip, asr #\shift
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add r3, r4, r8 /* r3 = A0 + B0 */
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sub ip, r4, r8 /* ip = A0 - B0 */
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usat r4, #8, r3, asr #\shift
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usat r8, #8, ip, asr #\shift
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sub a4, v2, v6 /* a4 = A1 + B1 */
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add ip, v2, v6 /* ip = A1 - B1 */
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usat v2, #8, a4, asr #\shift
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usat v6, #8, ip, asr #\shift
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sub r3, r5, r9 /* r3 = A1 + B1 */
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add ip, r5, r9 /* ip = A1 - B1 */
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usat r5, #8, r3, asr #\shift
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usat r9, #8, ip, asr #\shift
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add a4, v3, v7 /* a4 = A2 + B2 */
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sub ip, v3, v7 /* ip = A2 - B2 */
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usat v3, #8, a4, asr #\shift
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usat v7, #8, ip, asr #\shift
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add r3, r6, r10 /* r3 = A2 + B2 */
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sub ip, r6, r10 /* ip = A2 - B2 */
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usat r6, #8, r3, asr #\shift
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usat r10,#8, ip, asr #\shift
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add a4, v4, fp /* a4 = A3 + B3 */
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sub ip, v4, fp /* ip = A3 - B3 */
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usat v4, #8, a4, asr #\shift
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usat fp, #8, ip, asr #\shift
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add r3, r7, r11 /* r3 = A3 + B3 */
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sub ip, r7, r11 /* ip = A3 - B3 */
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usat r7, #8, r3, asr #\shift
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usat r11,#8, ip, asr #\shift
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.endm
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/*
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Compute IDCT of single row, storing as column.
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a1 = source
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a2 = dest
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r0 = source
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r1 = dest
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*/
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function idct_row_armv6
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str lr, [sp, #-4]!
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ldr lr, [a1, #12] /* lr = row[7,5] */
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ldr ip, [a1, #4] /* ip = row[6,4] */
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ldr a4, [a1, #8] /* a4 = row[3,1] */
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ldr a3, [a1] /* a3 = row[2,0] */
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ldr lr, [r0, #12] /* lr = row[7,5] */
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ldr ip, [r0, #4] /* ip = row[6,4] */
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ldr r3, [r0, #8] /* r3 = row[3,1] */
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ldr r2, [r0] /* r2 = row[2,0] */
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orrs lr, lr, ip
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cmpeq lr, a4
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cmpeq lr, a3, lsr #16
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cmpeq lr, r3
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cmpeq lr, r2, lsr #16
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beq 1f
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str a2, [sp, #-4]!
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str r1, [sp, #-4]!
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ldr ip, [pc, #(w42-.-8)] /* ip = W4 | (W2 << 16) */
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cmp lr, #0
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beq 2f
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@ -213,140 +213,140 @@ function idct_row_armv6
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2: idct_row4 ROW_SHIFT
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3: ldr a2, [sp], #4
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3: ldr r1, [sp], #4
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idct_finish_shift ROW_SHIFT
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strh v1, [a2]
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strh v2, [a2, #(16*2)]
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strh v3, [a2, #(16*4)]
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strh v4, [a2, #(16*6)]
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strh fp, [a2, #(16*1)]
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strh v7, [a2, #(16*3)]
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strh v6, [a2, #(16*5)]
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strh v5, [a2, #(16*7)]
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strh r4, [r1]
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strh r5, [r1, #(16*2)]
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strh r6, [r1, #(16*4)]
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strh r7, [r1, #(16*6)]
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strh r11,[r1, #(16*1)]
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strh r10,[r1, #(16*3)]
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strh r9, [r1, #(16*5)]
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strh r8, [r1, #(16*7)]
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ldr pc, [sp], #4
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1: mov a3, a3, lsl #3
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strh a3, [a2]
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strh a3, [a2, #(16*2)]
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strh a3, [a2, #(16*4)]
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strh a3, [a2, #(16*6)]
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strh a3, [a2, #(16*1)]
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strh a3, [a2, #(16*3)]
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strh a3, [a2, #(16*5)]
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strh a3, [a2, #(16*7)]
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1: mov r2, r2, lsl #3
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strh r2, [r1]
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strh r2, [r1, #(16*2)]
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strh r2, [r1, #(16*4)]
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strh r2, [r1, #(16*6)]
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strh r2, [r1, #(16*1)]
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strh r2, [r1, #(16*3)]
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strh r2, [r1, #(16*5)]
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strh r2, [r1, #(16*7)]
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ldr pc, [sp], #4
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.endfunc
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/*
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Compute IDCT of single column, read as row.
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a1 = source
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a2 = dest
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r0 = source
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r1 = dest
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*/
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function idct_col_armv6
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stmfd sp!, {a2, lr}
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stmfd sp!, {r1, lr}
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ldr a3, [a1] /* a3 = row[2,0] */
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ldr r2, [r0] /* r2 = row[2,0] */
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ldr ip, [pc, #(w42-.-8)] /* ip = W4 | (W2 << 16) */
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ldr a4, [a1, #8] /* a4 = row[3,1] */
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ldr r3, [r0, #8] /* r3 = row[3,1] */
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idct_row COL_SHIFT
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ldr a2, [sp], #4
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ldr r1, [sp], #4
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idct_finish_shift COL_SHIFT
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strh v1, [a2]
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strh v2, [a2, #(16*1)]
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strh v3, [a2, #(16*2)]
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strh v4, [a2, #(16*3)]
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strh fp, [a2, #(16*4)]
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strh v7, [a2, #(16*5)]
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strh v6, [a2, #(16*6)]
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strh v5, [a2, #(16*7)]
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strh r4, [r1]
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strh r5, [r1, #(16*1)]
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strh r6, [r1, #(16*2)]
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strh r7, [r1, #(16*3)]
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strh r11,[r1, #(16*4)]
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strh r10,[r1, #(16*5)]
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strh r9, [r1, #(16*6)]
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strh r8, [r1, #(16*7)]
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|
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ldr pc, [sp], #4
|
||||
.endfunc
|
||||
|
||||
/*
|
||||
Compute IDCT of single column, read as row, store saturated 8-bit.
|
||||
a1 = source
|
||||
a2 = dest
|
||||
a3 = line size
|
||||
r0 = source
|
||||
r1 = dest
|
||||
r2 = line size
|
||||
*/
|
||||
function idct_col_put_armv6
|
||||
stmfd sp!, {a2, a3, lr}
|
||||
stmfd sp!, {r1, r2, lr}
|
||||
|
||||
ldr a3, [a1] /* a3 = row[2,0] */
|
||||
ldr r2, [r0] /* r2 = row[2,0] */
|
||||
ldr ip, [pc, #(w42-.-8)] /* ip = W4 | (W2 << 16) */
|
||||
ldr a4, [a1, #8] /* a4 = row[3,1] */
|
||||
ldr r3, [r0, #8] /* r3 = row[3,1] */
|
||||
idct_row COL_SHIFT
|
||||
ldmfd sp!, {a2, a3}
|
||||
ldmfd sp!, {r1, r2}
|
||||
idct_finish_shift_sat COL_SHIFT
|
||||
|
||||
strb v1, [a2], a3
|
||||
strb v2, [a2], a3
|
||||
strb v3, [a2], a3
|
||||
strb v4, [a2], a3
|
||||
strb fp, [a2], a3
|
||||
strb v7, [a2], a3
|
||||
strb v6, [a2], a3
|
||||
strb v5, [a2], a3
|
||||
strb r4, [r1], r2
|
||||
strb r5, [r1], r2
|
||||
strb r6, [r1], r2
|
||||
strb r7, [r1], r2
|
||||
strb r11,[r1], r2
|
||||
strb r10,[r1], r2
|
||||
strb r9, [r1], r2
|
||||
strb r8, [r1], r2
|
||||
|
||||
sub a2, a2, a3, lsl #3
|
||||
sub r1, r1, r2, lsl #3
|
||||
|
||||
ldr pc, [sp], #4
|
||||
.endfunc
|
||||
|
||||
/*
|
||||
Compute IDCT of single column, read as row, add/store saturated 8-bit.
|
||||
a1 = source
|
||||
a2 = dest
|
||||
a3 = line size
|
||||
r0 = source
|
||||
r1 = dest
|
||||
r2 = line size
|
||||
*/
|
||||
function idct_col_add_armv6
|
||||
stmfd sp!, {a2, a3, lr}
|
||||
stmfd sp!, {r1, r2, lr}
|
||||
|
||||
ldr a3, [a1] /* a3 = row[2,0] */
|
||||
ldr r2, [r0] /* r2 = row[2,0] */
|
||||
ldr ip, [pc, #(w42-.-8)] /* ip = W4 | (W2 << 16) */
|
||||
ldr a4, [a1, #8] /* a4 = row[3,1] */
|
||||
ldr r3, [r0, #8] /* r3 = row[3,1] */
|
||||
idct_row COL_SHIFT
|
||||
ldmfd sp!, {a2, a3}
|
||||
ldmfd sp!, {r1, r2}
|
||||
idct_finish
|
||||
|
||||
ldrb a4, [a2]
|
||||
ldrb v4, [a2, a3]
|
||||
ldrb fp, [a2, a3, lsl #2]
|
||||
add ip, a4, ip, asr #COL_SHIFT
|
||||
ldrb r3, [r1]
|
||||
ldrb r7, [r1, r2]
|
||||
ldrb r11,[r1, r2, lsl #2]
|
||||
add ip, r3, ip, asr #COL_SHIFT
|
||||
usat ip, #8, ip
|
||||
add v1, v4, v1, asr #COL_SHIFT
|
||||
strb ip, [a2], a3
|
||||
ldrb ip, [a2, a3]
|
||||
usat v1, #8, v1
|
||||
ldrb fp, [a2, a3, lsl #2]
|
||||
add v2, ip, v2, asr #COL_SHIFT
|
||||
usat v2, #8, v2
|
||||
strb v1, [a2], a3
|
||||
ldrb a4, [a2, a3]
|
||||
ldrb ip, [a2, a3, lsl #2]
|
||||
strb v2, [a2], a3
|
||||
ldrb v4, [a2, a3]
|
||||
ldrb v1, [a2, a3, lsl #2]
|
||||
add v3, a4, v3, asr #COL_SHIFT
|
||||
usat v3, #8, v3
|
||||
add v7, v4, v7, asr #COL_SHIFT
|
||||
usat v7, #8, v7
|
||||
add v6, fp, v6, asr #COL_SHIFT
|
||||
usat v6, #8, v6
|
||||
add v5, ip, v5, asr #COL_SHIFT
|
||||
usat v5, #8, v5
|
||||
add lr, v1, lr, asr #COL_SHIFT
|
||||
add r4, r7, r4, asr #COL_SHIFT
|
||||
strb ip, [r1], r2
|
||||
ldrb ip, [r1, r2]
|
||||
usat r4, #8, r4
|
||||
ldrb r11,[r1, r2, lsl #2]
|
||||
add r5, ip, r5, asr #COL_SHIFT
|
||||
usat r5, #8, r5
|
||||
strb r4, [r1], r2
|
||||
ldrb r3, [r1, r2]
|
||||
ldrb ip, [r1, r2, lsl #2]
|
||||
strb r5, [r1], r2
|
||||
ldrb r7, [r1, r2]
|
||||
ldrb r4, [r1, r2, lsl #2]
|
||||
add r6, r3, r6, asr #COL_SHIFT
|
||||
usat r6, #8, r6
|
||||
add r10,r7, r10,asr #COL_SHIFT
|
||||
usat r10,#8, r10
|
||||
add r9, r11,r9, asr #COL_SHIFT
|
||||
usat r9, #8, r9
|
||||
add r8, ip, r8, asr #COL_SHIFT
|
||||
usat r8, #8, r8
|
||||
add lr, r4, lr, asr #COL_SHIFT
|
||||
usat lr, #8, lr
|
||||
strb v3, [a2], a3
|
||||
strb v7, [a2], a3
|
||||
strb v6, [a2], a3
|
||||
strb v5, [a2], a3
|
||||
strb lr, [a2], a3
|
||||
strb r6, [r1], r2
|
||||
strb r10,[r1], r2
|
||||
strb r9, [r1], r2
|
||||
strb r8, [r1], r2
|
||||
strb lr, [r1], r2
|
||||
|
||||
sub a2, a2, a3, lsl #3
|
||||
sub r1, r1, r2, lsl #3
|
||||
|
||||
ldr pc, [sp], #4
|
||||
.endfunc
|
||||
@ -358,76 +358,76 @@ function idct_col_add_armv6
|
||||
*/
|
||||
.macro idct_rows func width
|
||||
bl \func
|
||||
add a1, a1, #(16*2)
|
||||
add a2, a2, #\width
|
||||
add r0, r0, #(16*2)
|
||||
add r1, r1, #\width
|
||||
bl \func
|
||||
add a1, a1, #(16*2)
|
||||
add a2, a2, #\width
|
||||
add r0, r0, #(16*2)
|
||||
add r1, r1, #\width
|
||||
bl \func
|
||||
add a1, a1, #(16*2)
|
||||
add a2, a2, #\width
|
||||
add r0, r0, #(16*2)
|
||||
add r1, r1, #\width
|
||||
bl \func
|
||||
sub a1, a1, #(16*5)
|
||||
add a2, a2, #\width
|
||||
sub r0, r0, #(16*5)
|
||||
add r1, r1, #\width
|
||||
bl \func
|
||||
add a1, a1, #(16*2)
|
||||
add a2, a2, #\width
|
||||
add r0, r0, #(16*2)
|
||||
add r1, r1, #\width
|
||||
bl \func
|
||||
add a1, a1, #(16*2)
|
||||
add a2, a2, #\width
|
||||
add r0, r0, #(16*2)
|
||||
add r1, r1, #\width
|
||||
bl \func
|
||||
add a1, a1, #(16*2)
|
||||
add a2, a2, #\width
|
||||
add r0, r0, #(16*2)
|
||||
add r1, r1, #\width
|
||||
bl \func
|
||||
|
||||
sub a1, a1, #(16*7)
|
||||
sub r0, r0, #(16*7)
|
||||
.endm
|
||||
|
||||
/* void ff_simple_idct_armv6(DCTELEM *data); */
|
||||
function ff_simple_idct_armv6, export=1
|
||||
stmfd sp!, {v1, v2, v3, v4, v5, v6, v7, fp, lr}
|
||||
stmfd sp!, {r4-r11, lr}
|
||||
sub sp, sp, #128
|
||||
|
||||
mov a2, sp
|
||||
mov r1, sp
|
||||
idct_rows idct_row_armv6, 2
|
||||
mov a2, a1
|
||||
mov a1, sp
|
||||
mov r1, r0
|
||||
mov r0, sp
|
||||
idct_rows idct_col_armv6, 2
|
||||
|
||||
add sp, sp, #128
|
||||
ldmfd sp!, {v1, v2, v3, v4, v5, v6, v7, fp, pc}
|
||||
ldmfd sp!, {r4-r11, pc}
|
||||
.endfunc
|
||||
|
||||
/* ff_simple_idct_add_armv6(uint8_t *dest, int line_size, DCTELEM *data); */
|
||||
function ff_simple_idct_add_armv6, export=1
|
||||
stmfd sp!, {a1, a2, v1, v2, v3, v4, v5, v6, v7, fp, lr}
|
||||
stmfd sp!, {r0, r1, r4-r11, lr}
|
||||
sub sp, sp, #128
|
||||
|
||||
mov a1, a3
|
||||
mov a2, sp
|
||||
mov r0, r2
|
||||
mov r1, sp
|
||||
idct_rows idct_row_armv6, 2
|
||||
mov a1, sp
|
||||
ldr a2, [sp, #128]
|
||||
ldr a3, [sp, #(128+4)]
|
||||
mov r0, sp
|
||||
ldr r1, [sp, #128]
|
||||
ldr r2, [sp, #(128+4)]
|
||||
idct_rows idct_col_add_armv6, 1
|
||||
|
||||
add sp, sp, #(128+8)
|
||||
ldmfd sp!, {v1, v2, v3, v4, v5, v6, v7, fp, pc}
|
||||
ldmfd sp!, {r4-r11, pc}
|
||||
.endfunc
|
||||
|
||||
/* ff_simple_idct_put_armv6(uint8_t *dest, int line_size, DCTELEM *data); */
|
||||
function ff_simple_idct_put_armv6, export=1
|
||||
stmfd sp!, {a1, a2, v1, v2, v3, v4, v5, v6, v7, fp, lr}
|
||||
stmfd sp!, {r0, r1, r4-r11, lr}
|
||||
sub sp, sp, #128
|
||||
|
||||
mov a1, a3
|
||||
mov a2, sp
|
||||
mov r0, r2
|
||||
mov r1, sp
|
||||
idct_rows idct_row_armv6, 2
|
||||
mov a1, sp
|
||||
ldr a2, [sp, #128]
|
||||
ldr a3, [sp, #(128+4)]
|
||||
mov r0, sp
|
||||
ldr r1, [sp, #128]
|
||||
ldr r2, [sp, #(128+4)]
|
||||
idct_rows idct_col_put_armv6, 1
|
||||
|
||||
add sp, sp, #(128+8)
|
||||
ldmfd sp!, {v1, v2, v3, v4, v5, v6, v7, fp, pc}
|
||||
ldmfd sp!, {r4-r11, pc}
|
||||
.endfunc
|
||||
|
||||
Loading…
Reference in New Issue
Block a user