diff options
Diffstat (limited to 'hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_bitreversal2.S')
| -rw-r--r-- | hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_bitreversal2.S | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_bitreversal2.S b/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_bitreversal2.S deleted file mode 100644 index cde264c..0000000 --- a/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_bitreversal2.S +++ /dev/null @@ -1,216 +0,0 @@ -;/* ----------------------------------------------------------------------
-; * Project: CMSIS DSP Library
-; * Title: arm_bitreversal2.S
-; * Description: arm_bitreversal_32 function done in assembly for maximum speed.
-; * Called after doing an fft to reorder the output.
-; * The function is loop unrolled by 2. arm_bitreversal_16 as well.
-; *
-; * $Date: 27. January 2017
-; * $Revision: V.1.5.1
-; *
-; * Target Processor: Cortex-M cores
-; * -------------------------------------------------------------------- */
-;/*
-; * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
-; *
-; * SPDX-License-Identifier: Apache-2.0
-; *
-; * 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
-; *
-; * 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.
-; */
-
-#if defined ( __CC_ARM ) /* Keil */
- #define CODESECT AREA ||.text||, CODE, READONLY, ALIGN=2
- #define LABEL
-#elif defined ( __IASMARM__ ) /* IAR */
- #define CODESECT SECTION `.text`:CODE
- #define PROC
- #define LABEL
- #define ENDP
- #define EXPORT PUBLIC
-#elif defined ( __CSMC__ ) /* Cosmic */
- #define CODESECT switch .text
- #define THUMB
- #define EXPORT xdef
- #define PROC :
- #define LABEL :
- #define ENDP
- #define arm_bitreversal_32 _arm_bitreversal_32
-#elif defined ( __TI_ARM__ ) /* TI ARM */
- #define THUMB .thumb
- #define CODESECT .text
- #define EXPORT .global
- #define PROC : .asmfunc
- #define LABEL :
- #define ENDP .endasmfunc
- #define END
-#elif defined ( __GNUC__ ) /* GCC */
- #define THUMB .thumb
- #define CODESECT .section .text
- #define EXPORT .global
- #define PROC :
- #define LABEL :
- #define ENDP
- #define END
-
- .syntax unified
-#endif
-
- CODESECT
- THUMB
-
-;/*
-;* @brief In-place bit reversal function.
-;* @param[in, out] *pSrc points to the in-place buffer of unknown 32-bit data type.
-;* @param[in] bitRevLen bit reversal table length
-;* @param[in] *pBitRevTab points to bit reversal table.
-;* @return none.
-;*/
- EXPORT arm_bitreversal_32
- EXPORT arm_bitreversal_16
-
-#if defined ( __CC_ARM ) /* Keil */
-#elif defined ( __IASMARM__ ) /* IAR */
-#elif defined ( __CSMC__ ) /* Cosmic */
-#elif defined ( __TI_ARM__ ) /* TI ARM */
-#elif defined ( __GNUC__ ) /* GCC */
- .type arm_bitreversal_16, %function
- .type arm_bitreversal_32, %function
-#endif
-
-#if defined(ARM_MATH_CM0) || defined(ARM_MATH_CM0PLUS) || defined(ARM_MATH_ARMV8MBL)
-
-arm_bitreversal_32 PROC
- ADDS r3,r1,#1
- PUSH {r4-r6}
- ADDS r1,r2,#0
- LSRS r3,r3,#1
-arm_bitreversal_32_0 LABEL
- LDRH r2,[r1,#2]
- LDRH r6,[r1,#0]
- ADD r2,r0,r2
- ADD r6,r0,r6
- LDR r5,[r2,#0]
- LDR r4,[r6,#0]
- STR r5,[r6,#0]
- STR r4,[r2,#0]
- LDR r5,[r2,#4]
- LDR r4,[r6,#4]
- STR r5,[r6,#4]
- STR r4,[r2,#4]
- ADDS r1,r1,#4
- SUBS r3,r3,#1
- BNE arm_bitreversal_32_0
- POP {r4-r6}
- BX lr
- ENDP
-
-arm_bitreversal_16 PROC
- ADDS r3,r1,#1
- PUSH {r4-r6}
- ADDS r1,r2,#0
- LSRS r3,r3,#1
-arm_bitreversal_16_0 LABEL
- LDRH r2,[r1,#2]
- LDRH r6,[r1,#0]
- LSRS r2,r2,#1
- LSRS r6,r6,#1
- ADD r2,r0,r2
- ADD r6,r0,r6
- LDR r5,[r2,#0]
- LDR r4,[r6,#0]
- STR r5,[r6,#0]
- STR r4,[r2,#0]
- ADDS r1,r1,#4
- SUBS r3,r3,#1
- BNE arm_bitreversal_16_0
- POP {r4-r6}
- BX lr
- ENDP
-
-#else
-
-arm_bitreversal_32 PROC
- ADDS r3,r1,#1
- CMP r3,#1
- IT LS
- BXLS lr
- PUSH {r4-r9}
- ADDS r1,r2,#2
- LSRS r3,r3,#2
-arm_bitreversal_32_0 LABEL ;/* loop unrolled by 2 */
- LDRH r8,[r1,#4]
- LDRH r9,[r1,#2]
- LDRH r2,[r1,#0]
- LDRH r12,[r1,#-2]
- ADD r8,r0,r8
- ADD r9,r0,r9
- ADD r2,r0,r2
- ADD r12,r0,r12
- LDR r7,[r9,#0]
- LDR r6,[r8,#0]
- LDR r5,[r2,#0]
- LDR r4,[r12,#0]
- STR r6,[r9,#0]
- STR r7,[r8,#0]
- STR r5,[r12,#0]
- STR r4,[r2,#0]
- LDR r7,[r9,#4]
- LDR r6,[r8,#4]
- LDR r5,[r2,#4]
- LDR r4,[r12,#4]
- STR r6,[r9,#4]
- STR r7,[r8,#4]
- STR r5,[r12,#4]
- STR r4,[r2,#4]
- ADDS r1,r1,#8
- SUBS r3,r3,#1
- BNE arm_bitreversal_32_0
- POP {r4-r9}
- BX lr
- ENDP
-
-arm_bitreversal_16 PROC
- ADDS r3,r1,#1
- CMP r3,#1
- IT LS
- BXLS lr
- PUSH {r4-r9}
- ADDS r1,r2,#2
- LSRS r3,r3,#2
-arm_bitreversal_16_0 LABEL ;/* loop unrolled by 2 */
- LDRH r8,[r1,#4]
- LDRH r9,[r1,#2]
- LDRH r2,[r1,#0]
- LDRH r12,[r1,#-2]
- ADD r8,r0,r8,LSR #1
- ADD r9,r0,r9,LSR #1
- ADD r2,r0,r2,LSR #1
- ADD r12,r0,r12,LSR #1
- LDR r7,[r9,#0]
- LDR r6,[r8,#0]
- LDR r5,[r2,#0]
- LDR r4,[r12,#0]
- STR r6,[r9,#0]
- STR r7,[r8,#0]
- STR r5,[r12,#0]
- STR r4,[r2,#0]
- ADDS r1,r1,#8
- SUBS r3,r3,#1
- BNE arm_bitreversal_16_0
- POP {r4-r9}
- BX lr
- ENDP
-
-#endif
-
- END
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