Merge "TF-A Aarch32: optimise memcpy4()" into integration
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commit
1313532320
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@ -1,5 +1,5 @@
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/*
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/*
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* Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
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* Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
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*
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*
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* SPDX-License-Identifier: BSD-3-Clause
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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*/
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@ -149,17 +149,16 @@ m_loop4:
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blo m_loop1
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blo m_loop1
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ldr r3, [r1], #4
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ldr r3, [r1], #4
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str r3, [r0], #4
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str r3, [r0], #4
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sub r2, r2, #4
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subs r2, r2, #4
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b m_loop4
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bne m_loop4
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bx lr
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/* copy byte per byte */
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/* copy byte per byte */
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m_loop1:
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m_loop1:
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cmp r2,#0
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beq m_end
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ldrb r3, [r1], #1
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ldrb r3, [r1], #1
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strb r3, [r0], #1
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strb r3, [r0], #1
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subs r2, r2, #1
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subs r2, r2, #1
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bne m_loop1
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bne m_loop1
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m_end:
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bx lr
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bx lr
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endfunc memcpy4
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endfunc memcpy4
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