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Diffstat (limited to 'media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm/h264bsdFillRow7.s')
| -rw-r--r-- | media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm/h264bsdFillRow7.s | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm/h264bsdFillRow7.s b/media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm/h264bsdFillRow7.s new file mode 100644 index 0000000..5bfac92 --- /dev/null +++ b/media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm/h264bsdFillRow7.s @@ -0,0 +1,180 @@ +; +; Copyright (C) 2009 The Android Open Source Project +; +; 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. +; + + REQUIRE8 + PRESERVE8 + + AREA |.text|, CODE + + EXPORT h264bsdFillRow7 + +; Input / output registers + +ref RN 0 +fill RN 1 +left RN 2 +tmp2 RN 2 +center RN 3 +right RN 4 +tmp1 RN 5 + +; -- NEON registers -- + +qTmp0 QN Q0.U8 +qTmp1 QN Q1.U8 +dTmp0 DN D0.U8 +dTmp1 DN D1.U8 +dTmp2 DN D2.U8 +dTmp3 DN D3.U8 + + +;/*------------------------------------------------------------------------------ +; +; Function: h264bsdFillRow7 +; +; Functional description: +; +; Inputs: +; +; Outputs: +; +; Returns: +; +;------------------------------------------------------------------------------*/ + +h264bsdFillRow7 + PUSH {r4-r6,lr} + CMP left, #0 + LDR right, [sp,#0x10] + BEQ switch_center + LDRB tmp1, [ref,#0] + +loop_left + SUBS left, left, #1 + STRB tmp1, [fill], #1 + BNE loop_left + +switch_center + ASR tmp2,center,#2 + CMP tmp2,#9 + ADDCC pc,pc,tmp2,LSL #2 + B loop_center + B loop_center + B case_1 + B case_2 + B case_3 + B case_4 + B case_5 + B case_6 + B case_7 + B case_8 +;case_8 +; LDR tmp2, [ref], #4 +; SUB center, center, #4 +; STR tmp2, [fill], #4 +;case_7 +; LDR tmp2, [ref], #4 +; SUB center, center, #4 +; STR tmp2, [fill], #4 +;case_6 +; LDR tmp2, [ref], #4 +; SUB center, center, #4 +; STR tmp2, [fill],#4 +;case_5 +; LDR tmp2, [ref], #4 +; SUB center, center, #4 +; STR tmp2, [fill],#4 +;case_4 +; LDR tmp2, [ref],#4 +; SUB center, center, #4 +; STR tmp2, [fill], #4 +;case_3 +; LDR tmp2, [ref],#4 +; SUB center, center, #4 +; STR tmp2, [fill], #4 +;case_2 +; LDR tmp2, [ref],#4 +; SUB center, center, #4 +; STR tmp2, [fill], #4 +;case_1 +; LDR tmp2, [ref],#4 +; SUB center, center, #4 +; STR tmp2, [fill], #4 + +case_8 + VLD1 {qTmp0, qTmp1}, [ref]! + SUB center, center, #32 + VST1 qTmp0, [fill]! + VST1 qTmp1, [fill]! + B loop_center +case_7 + VLD1 {dTmp0,dTmp1,dTmp2}, [ref]! + SUB center, center, #28 + LDR tmp2, [ref], #4 + VST1 {dTmp0,dTmp1,dTmp2}, [fill]! + STR tmp2, [fill],#4 + B loop_center +case_6 + VLD1 {dTmp0,dTmp1,dTmp2}, [ref]! + SUB center, center, #24 + VST1 {dTmp0,dTmp1,dTmp2}, [fill]! + B loop_center +case_5 + VLD1 qTmp0, [ref]! + SUB center, center, #20 + LDR tmp2, [ref], #4 + VST1 qTmp0, [fill]! + STR tmp2, [fill],#4 + B loop_center +case_4 + VLD1 qTmp0, [ref]! + SUB center, center, #16 + VST1 qTmp0, [fill]! + B loop_center +case_3 + VLD1 dTmp0, [ref]! + SUB center, center, #12 + LDR tmp2, [ref], #4 + VST1 dTmp0, [fill]! + STR tmp2, [fill],#4 + B loop_center +case_2 + LDR tmp2, [ref],#4 + SUB center, center, #4 + STR tmp2, [fill], #4 +case_1 + LDR tmp2, [ref],#4 + SUB center, center, #4 + STR tmp2, [fill], #4 + +loop_center + CMP center, #0 + LDRBNE tmp2, [ref], #1 + SUBNE center, center, #1 + STRBNE tmp2, [fill], #1 + BNE loop_center + CMP right,#0 + POPEQ {r4-r6,pc} + LDRB tmp2, [ref,#-1] + +loop_right + STRB tmp2, [fill], #1 + SUBS right, right, #1 + BNE loop_right + + POP {r4-r6,pc} + END + |