diff options
Diffstat (limited to 'sec_mm/sec_omx/sec_codecs/video/mfc_c110/csc/csc_deinterleave_memcpy.s')
| -rw-r--r-- | sec_mm/sec_omx/sec_codecs/video/mfc_c110/csc/csc_deinterleave_memcpy.s | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/sec_mm/sec_omx/sec_codecs/video/mfc_c110/csc/csc_deinterleave_memcpy.s b/sec_mm/sec_omx/sec_codecs/video/mfc_c110/csc/csc_deinterleave_memcpy.s new file mode 100644 index 0000000..dc95bfa --- /dev/null +++ b/sec_mm/sec_omx/sec_codecs/video/mfc_c110/csc/csc_deinterleave_memcpy.s @@ -0,0 +1,128 @@ +/* + * + * Copyright 2011 Samsung Electronics S.LSI Co. LTD + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* + * @file csc_deinterleave_memcpy.s + * @brief SEC_OMX specific define + * @author ShinWon Lee (shinwon.lee@samsung.com) + * @version 1.0 + * @history + * 2011.7.01 : Create + */ + .arch armv7-a + .text + .global csc_deinterleave_memcpy_neon + .type csc_deinterleave_memcpy_neon, %function +csc_deinterleave_memcpy_neon: + .fnstart + + @r0 dest1 + @r1 dest2 + @r2 src + @r3 src_size + @r4 i + @r5 temp1 + @r6 temp2 + @r7 temp3 + + stmfd sp!, {r4-r12,r14} @ backup registers + + mov r4, #0 + cmp r3, #256 + blt LINEAR_SIZE_128 + + bic r5, r3, #0xFF +LINEAR_SIZE_256_LOOP: + pld [r2, #64] + vld2.8 {q0, q1}, [r2]! + pld [r2, #64] + vld2.8 {q2, q3}, [r2]! + pld [r2, #64] + vld2.8 {q4, q5}, [r2]! + pld [r2, #64] + vld2.8 {q6, q7}, [r2]! + pld [r2, #64] + vld2.8 {q8, q9}, [r2]! + pld [r2, #64] + vld2.8 {q10, q11}, [r2]! + vld2.8 {q12, q13}, [r2]! + vld2.8 {q14, q15}, [r2]! + + vst1.8 {q0}, [r0]! + vst1.8 {q2}, [r0]! + vst1.8 {q4}, [r0]! + vst1.8 {q6}, [r0]! + vst1.8 {q8}, [r0]! + vst1.8 {q10}, [r0]! + vst1.8 {q12}, [r0]! + vst1.8 {q14}, [r0]! + + vst1.8 {q1}, [r1]! + vst1.8 {q3}, [r1]! + vst1.8 {q5}, [r1]! + vst1.8 {q7}, [r1]! + vst1.8 {q9}, [r1]! + vst1.8 {q11}, [r1]! + vst1.8 {q13}, [r1]! + vst1.8 {q15}, [r1]! + + add r4, #256 + cmp r4, r5 + blt LINEAR_SIZE_256_LOOP + +LINEAR_SIZE_128: + sub r5, r3, r4 + cmp r5, #64 + blt LINEAR_SIZE_4 + pld [r2, #64] + vld2.8 {q0, q1}, [r2]! + pld [r2, #64] + vld2.8 {q2, q3}, [r2]! + vld2.8 {q4, q5}, [r2]! + vld2.8 {q6, q7}, [r2]! + + vst1.8 {q0}, [r0]! + vst1.8 {q4}, [r0]! + vst1.8 {q2}, [r0]! + vst1.8 {q6}, [r0]! + + vst1.8 {q1}, [r1]! + vst1.8 {q3}, [r1]! + vst1.8 {q5}, [r1]! + vst1.8 {q7}, [r1]! + + add r4, #128 + +LINEAR_SIZE_4: + ldrb r6, [r2], #1 + ldrb r7, [r2], #1 + ldrb r8, [r2], #1 + ldrb r9, [r2], #1 + + strb r6, [r0], #1 + strb r8, [r0], #1 + strb r7, [r1], #1 + strb r9, [r1], #1 + + add r4, #4 + cmp r4, r3 + blt LINEAR_SIZE_4 + +RESTORE_REG: + ldmfd sp!, {r4-r12,r15} @ restore registers + .fnend + |