57f6bcc4b0
Previously the assembly sources had mixed indentation consisting of both spaces and tabs, making it quite hard to read unless the right tab size was used in the editor. Tabs have been interpreted as 4 spaces in most cases, matching the surrounding code.
156 lines
3.8 KiB
ArmAsm
156 lines
3.8 KiB
ArmAsm
/*!
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* \copy
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* Copyright (c) 2013, Cisco Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifdef HAVE_NEON
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.text
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#include "arm_arch_common_macro.S"
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WELS_ASM_FUNC_BEGIN ExpandPictureLuma_neon
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stmdb sp!, {r4-r8}
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//Save the dst
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mov r7, r0
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mov r8, r3
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add r4, r7, r2
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sub r4, #1
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//For the left and right expand
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_expand_picture_luma_loop2:
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sub r5, r7, #32
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add r6, r4, #1
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vld1.8 {d0[], d1[]}, [r7], r1
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vld1.8 {d2[], d3[]}, [r4], r1
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vst1.8 {q0}, [r5]!
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vst1.8 {q0}, [r5]
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vst1.8 {q1}, [r6]!
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vst1.8 {q1}, [r6]
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subs r8, #1
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bne _expand_picture_luma_loop2
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//for the top and bottom expand
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add r2, #64
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sub r0, #32
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mla r4, r1, r3, r0
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sub r4, r1
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_expand_picture_luma_loop0:
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mov r5, #32
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mls r5, r5, r1, r0
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add r6, r4, r1
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vld1.8 {q0}, [r0]!
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vld1.8 {q1}, [r4]!
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mov r8, #32
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_expand_picture_luma_loop1:
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vst1.8 {q0}, [r5], r1
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vst1.8 {q1}, [r6], r1
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subs r8, #1
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bne _expand_picture_luma_loop1
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subs r2, #16
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bne _expand_picture_luma_loop0
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//vldreq.32 d0, [r0]
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ldmia sp!, {r4-r8}
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WELS_ASM_FUNC_END
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WELS_ASM_FUNC_BEGIN ExpandPictureChroma_neon
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stmdb sp!, {r4-r9}
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//Save the dst
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mov r7, r0
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mov r8, r3
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add r4, r7, r2
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sub r4, #1
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//For the left and right expand
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_expand_picture_chroma_loop2:
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sub r5, r7, #16
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add r6, r4, #1
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vld1.8 {d0[], d1[]}, [r7], r1
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vld1.8 {d2[], d3[]}, [r4], r1
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vst1.8 {q0}, [r5]
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vst1.8 {q1}, [r6]
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subs r8, #1
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bne _expand_picture_chroma_loop2
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//for the top and bottom expand
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add r2, #32
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mov r9, r2
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bic r2, #15
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sub r0, #16
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mla r4, r1, r3, r0
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sub r4, r1
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_expand_picture_chroma_loop0:
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mov r5, #16
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mls r5, r5, r1, r0
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add r6, r4, r1
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vld1.8 {q0}, [r0]!
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vld1.8 {q1}, [r4]!
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mov r8, #16
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_expand_picture_chroma_loop1:
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vst1.8 {q0}, [r5], r1
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vst1.8 {q1}, [r6], r1
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subs r8, #1
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bne _expand_picture_chroma_loop1
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subs r2, #16
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bne _expand_picture_chroma_loop0
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//vldreq.32 d0, [r0]
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and r9, #15
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cmp r9, #8
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bne _expand_picture_chroma_end
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mov r5, #16
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mls r5, r5, r1, r0
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add r6, r4, r1
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vld1.8 {d0}, [r0]!
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vld1.8 {d2}, [r4]!
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mov r8, #16
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_expand_picture_chroma_loop3:
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vst1.8 {d0}, [r5], r1
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vst1.8 {d2}, [r6], r1
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subs r8, #1
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bne _expand_picture_chroma_loop3
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_expand_picture_chroma_end:
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ldmia sp!, {r4-r9}
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WELS_ASM_FUNC_END
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#endif
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