mirror of https://git.videolan.org/git/ffmpeg.git
remove redundant loads
Originally committed as revision 7798 to svn://svn.ffmpeg.org/ffmpeg/trunk
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b956373b6f
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173fd724f5
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@ -51,14 +51,14 @@ w57: .long W57
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Compute partial IDCT of single row.
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Compute partial IDCT of single row.
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shift = left-shift amount
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shift = left-shift amount
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a1 = source address
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a1 = source address
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a3 = row[2,0]
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a4 = row[3,1]
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Output in registers v1--v8
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Output in registers v1--v8
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*/
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*/
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.macro idct_row shift
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.macro idct_row shift
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ldr a3, [a1] /* a3 = row[2,0] */
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ldr ip, [pc, #(w42-.-8)] /* ip = W4 | (W2 << 16) */
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ldr ip, [pc, #(w42-.-8)] /* ip = W4 | (W2 << 16) */
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ldr lr, [pc, #(w46-.-8)] /* lr = W4 | (W6 << 16) */
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ldr lr, [pc, #(w46-.-8)] /* lr = W4 | (W6 << 16) */
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ldr a4, [a1, #8] /* a4 = row[3,1] */
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mov a2, #(1<<(\shift-1))
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mov a2, #(1<<(\shift-1))
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smlad v1, a3, ip, a2
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smlad v1, a3, ip, a2
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smlsd v4, a3, ip, a2
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smlsd v4, a3, ip, a2
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@ -248,6 +248,8 @@ idct_row_armv6:
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idct_col_armv6:
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idct_col_armv6:
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stmfd sp!, {a2, lr}
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stmfd sp!, {a2, lr}
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ldr a3, [a1] /* a3 = row[2,0] */
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ldr a4, [a1, #8] /* a4 = row[3,1] */
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idct_row COL_SHIFT
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idct_row COL_SHIFT
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ldr a2, [sp], #4
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ldr a2, [sp], #4
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idct_finish_shift COL_SHIFT
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idct_finish_shift COL_SHIFT
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@ -275,6 +277,8 @@ idct_col_armv6:
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idct_col_put_armv6:
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idct_col_put_armv6:
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stmfd sp!, {a2, a3, lr}
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stmfd sp!, {a2, a3, lr}
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ldr a3, [a1] /* a3 = row[2,0] */
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ldr a4, [a1, #8] /* a4 = row[3,1] */
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idct_row COL_SHIFT
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idct_row COL_SHIFT
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ldmfd sp!, {a2, a3}
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ldmfd sp!, {a2, a3}
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idct_finish_shift_sat COL_SHIFT
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idct_finish_shift_sat COL_SHIFT
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@ -304,6 +308,8 @@ idct_col_put_armv6:
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idct_col_add_armv6:
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idct_col_add_armv6:
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stmfd sp!, {a2, a3, lr}
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stmfd sp!, {a2, a3, lr}
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ldr a3, [a1] /* a3 = row[2,0] */
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ldr a4, [a1, #8] /* a4 = row[3,1] */
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idct_row COL_SHIFT
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idct_row COL_SHIFT
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ldmfd sp!, {a2, a3}
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ldmfd sp!, {a2, a3}
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idct_finish
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idct_finish
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@ -238,6 +238,7 @@ enum CodecID {
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CODEC_ID_DSICINAUDIO,
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CODEC_ID_DSICINAUDIO,
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CODEC_ID_IMC,
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CODEC_ID_IMC,
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CODEC_ID_MUSEPACK7,
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CODEC_ID_MUSEPACK7,
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CODEC_ID_MLP,
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/* subtitle codecs */
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/* subtitle codecs */
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CODEC_ID_DVD_SUBTITLE= 0x17000,
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CODEC_ID_DVD_SUBTITLE= 0x17000,
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