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Diffstat (limited to 'media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/comm/src/omxVCCOMM_Copy8x8_s.s')
| -rwxr-xr-x | media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/comm/src/omxVCCOMM_Copy8x8_s.s | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/comm/src/omxVCCOMM_Copy8x8_s.s b/media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/comm/src/omxVCCOMM_Copy8x8_s.s new file mode 100755 index 0000000..db9e5ef --- /dev/null +++ b/media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/comm/src/omxVCCOMM_Copy8x8_s.s @@ -0,0 +1,70 @@ + ;/** + ; * Function: omxVCCOMM_Copy8x8 + ; * + ; * Description: + ; * Copies the reference 8x8 block to the current block. + ; * Parameters: + ; * [in] pSrc - pointer to the reference block in the source frame; must be aligned on an 8-byte boundary. + ; * [in] step - distance between the starts of consecutive lines in the reference frame, in bytes; + ; * must be a multiple of 8 and must be larger than or equal to 8. + ; * [out] pDst - pointer to the destination block; must be aligned on an 8-byte boundary. + ; * Return Value: + ; * OMX_Sts_NoErr - no error + ; * OMX_Sts_BadArgErr - bad arguments; returned under any of the following conditions: + ; * - one or more of the following pointers is NULL: pSrc, pDst + ; * - one or more of the following pointers is not aligned on an 8-byte boundary: pSrc, pDst + ; * - step <8 or step is not a multiple of 8. + ; */ + + INCLUDE omxtypes_s.h + + + M_VARIANTS CortexA8 + + IF CortexA8 + + + ;//Input Arguments +pSrc RN 0 +pDst RN 1 +step RN 2 + +;//Local Variables +Count RN 3 +Return RN 0 +;// Neon Registers + +X0 DN D0.S8 +X1 DN D1.S8 +X2 DN D2.S8 +X3 DN D3.S8 + M_START omxVCCOMM_Copy8x8 + + + + VLD1 {X0},[pSrc],step ;// Load 8 bytes from 8 byte aligned pSrc, pSrc=pSrc+step after load + VLD1 {X1},[pSrc],step + VLD1 {X2},[pSrc],step + VLD1 {X3},[pSrc],step + + VST1 {X0,X1},[pDst]! ;// Store 16 bytes to 8 byte aligned pDst + VST1 {X2,X3},[pDst]! + + VLD1 {X0},[pSrc],step + VLD1 {X1},[pSrc],step + VLD1 {X2},[pSrc],step + VLD1 {X3},[pSrc],step + + VST1 {X0,X1},[pDst]! + VST1 {X2,X3},[pDst]! + + MOV Return,#OMX_Sts_NoErr + + M_END + ENDIF + + + + + END +
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