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121 lines
2.7 KiB
121 lines
2.7 KiB
13 years ago
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/*
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*
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* Copyright 2012 Samsung Electronics S.LSI Co. LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License")
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* @file csc_linear_to_tiled_crop_neon.s
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* @brief SEC_OMX specific define
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* @author ShinWon Lee (shinwon.lee@samsung.com)
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* @version 1.0
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* @history
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* 2012.02.01 : Create
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*/
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/*
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* Interleave src1, src2 to dst
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*
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* @param dest
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* dst address[out]
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*
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* @param src1
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* src1 address[in]
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*
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* @param src2
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* src2 address[in]
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*
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* @param src_size
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* src_size or src1
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*/
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.arch armv7-a
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.text
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.global csc_interleave_memcpy_neon
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.type csc_interleave_memcpy_neon, %function
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csc_interleave_memcpy_neon:
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.fnstart
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@r0 dest
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@r1 src1
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@r2 src2
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@r3 src_size
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@r4
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@r5
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@r6
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@r7
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@r8 temp1
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@r9 temp2
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@r10 dest_addr
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@r11 src1_addr
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@r12 src2_addr
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@r14 i
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stmfd sp!, {r8-r12,r14} @ backup registers
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mov r10, r0
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mov r11, r1
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mov r12, r2
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mov r14, r3
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cmp r14, #128
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blt LESS_THAN_128
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LOOP_128:
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vld1.8 {q0}, [r11]!
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vld1.8 {q2}, [r11]!
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vld1.8 {q4}, [r11]!
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vld1.8 {q6}, [r11]!
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vld1.8 {q8}, [r11]!
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vld1.8 {q10}, [r11]!
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vld1.8 {q12}, [r11]!
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vld1.8 {q14}, [r11]!
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vld1.8 {q1}, [r12]!
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vld1.8 {q3}, [r12]!
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vld1.8 {q5}, [r12]!
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vld1.8 {q7}, [r12]!
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vld1.8 {q9}, [r12]!
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vld1.8 {q11}, [r12]!
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vld1.8 {q13}, [r12]!
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vld1.8 {q15}, [r12]!
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vst2.8 {q0, q1}, [r10]!
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vst2.8 {q2, q3}, [r10]!
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vst2.8 {q4, q5}, [r10]!
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vst2.8 {q6, q7}, [r10]!
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vst2.8 {q8, q9}, [r10]!
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vst2.8 {q10, q11}, [r10]!
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vst2.8 {q12, q13}, [r10]!
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vst2.8 {q14, q15}, [r10]!
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sub r14, #128
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cmp r14, #128
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bgt LOOP_128
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LESS_THAN_128:
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cmp r14, #0
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beq RESTORE_REG
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LOOP_1:
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ldrb r8, [r11], #1
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ldrb r9, [r12], #1
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strb r8, [r10], #1
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strb r9, [r10], #1
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subs r14, #1
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bne LOOP_1
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RESTORE_REG:
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ldmfd sp!, {r8-r12,r15} @ restore registers
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.fnend
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