summaryrefslogtreecommitdiffstats
path: root/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/Radix4FFT_v5.s
diff options
context:
space:
mode:
Diffstat (limited to 'media/libstagefright/codecs/aacenc/src/asm/ARMV5E/Radix4FFT_v5.s')
-rw-r--r--media/libstagefright/codecs/aacenc/src/asm/ARMV5E/Radix4FFT_v5.s336
1 files changed, 168 insertions, 168 deletions
diff --git a/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/Radix4FFT_v5.s b/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/Radix4FFT_v5.s
index db8e5d8..bc069b4 100644
--- a/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/Radix4FFT_v5.s
+++ b/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/Radix4FFT_v5.s
@@ -1,169 +1,169 @@
-@/*
-@ ** Copyright 2003-2010, VisualOn, Inc.
-@ **
-@ ** 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.
-@ */
-
-@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
-@ File: Radix4FFT_v5.s
-@
-@ Content: Radix4FFT armv5 assemble
-@
-@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
- .section .text
- .global Radix4FFT
-
-Radix4FFT:
- stmdb sp!, {r4 - r11, lr}
- sub sp, sp, #32
-
- mov r1, r1, asr #2
- cmp r1, #0
- beq Radix4FFT_END
-
-Radix4FFT_LOOP1:
- mov r14, r0 @ xptr = buf@
- mov r10, r1 @ i = num@
- mov r9, r2, lsl #3 @ step = 2*bgn@
- cmp r10, #0
- str r0, [sp]
- str r1, [sp, #4]
- str r2, [sp, #8]
- str r3, [sp, #12]
- beq Radix4FFT_LOOP1_END
-
-Radix4FFT_LOOP2:
- mov r12, r3 @ csptr = twidTab@
- mov r11, r2 @ j = bgn
- cmp r11, #0
- str r10, [sp, #16]
- beq Radix4FFT_LOOP2_END
-
-Radix4FFT_LOOP3:
- str r11, [sp, #20]
-
- ldrd r0, [r14, #0] @ r0 = xptr[0]@ r1 = xptr[1]@
- add r14, r14, r9 @ xptr += step@
-
- ldrd r10, [r14, #0] @ r2 = xptr[0]@ r3 = xptr[1]@
- ldr r8, [r12], #4 @ cosxsinx = csptr[0]@
-
- smulwt r4, r10, r8 @ L_mpy_wx(cosx, t0)
- smulwt r3, r11, r8 @ L_mpy_wx(cosx, t1)
-
- smlawb r2, r11, r8, r4 @ r2 = L_mpy_wx(cosx, t0) + L_mpy_wx(sinx, t1)@
- smulwb r5, r10, r8 @ L_mpy_wx(sinx, t0)
-
- mov r10, r0, asr #2 @ t0 = r0 >> 2@
- mov r11, r1, asr #2 @ t1 = r1 >> 2@
-
- sub r3, r3, r5 @ r3 = L_mpy_wx(cosx, t1) - L_mpy_wx(sinx, t0)@
- add r14, r14, r9 @ xptr += step@
-
- sub r0, r10, r2 @ r0 = t0 - r2@
- sub r1, r11, r3 @ r1 = t1 - r3@
-
- add r2, r10, r2 @ r2 = t0 + r2@
- add r3, r11, r3 @ r3 = t1 + r3@
-
- str r2, [sp, #24]
- str r3, [sp, #28]
-
- ldrd r10, [r14, #0] @ r4 = xptr[0]@ r5 = xptr[1]@
- ldr r8, [r12], #4 @ cosxsinx = csptr[1]@
-
- smulwt r6, r10, r8 @ L_mpy_wx(cosx, t0)
- smulwt r5, r11, r8 @ L_mpy_wx(cosx, t1)
-
- smlawb r4, r11, r8, r6 @ r4 = L_mpy_wx(cosx, t0) + L_mpy_wx(sinx, t1)@
- smulwb r7, r10, r8 @ L_mpy_wx(sinx, t0)
-
- add r14, r14, r9 @ xptr += step@
- sub r5, r5, r7 @ r5 = L_mpy_wx(cosx, t1) - L_mpy_wx(sinx, t0)@
-
- ldrd r10, [r14] @ r6 = xptr[0]@ r7 = xptr[1]@
- ldr r8, [r12], #4 @ cosxsinx = csptr[1]@
-
- smulwt r2, r10, r8 @ L_mpy_wx(cosx, t0)
- smulwt r7, r11, r8 @ L_mpy_wx(cosx, t1)
-
- smlawb r6, r11, r8, r2 @ r4 = L_mpy_wx(cosx, t0) + L_mpy_wx(sinx, t1)@
- smulwb r3, r10, r8 @ L_mpy_wx(sinx, t0)
-
- mov r10, r4 @ t0 = r4@
- mov r11, r5 @ t1 = r5@
-
- sub r7, r7, r3 @ r5 = L_mpy_wx(cosx, t1) - L_mpy_wx(sinx, t0)@
-
-
- add r4, r10, r6 @ r4 = t0 + r6@
- sub r5, r7, r11 @ r5 = r7 - t1@
-
- sub r6, r10, r6 @ r6 = t0 - r6@
- add r7, r7, r11 @ r7 = r7 + t1@
-
- ldr r2, [sp, #24]
- ldr r3, [sp, #28]
-
- add r10, r0, r5 @ xptr[0] = r0 + r5@
- add r11, r1, r6 @ xptr[0] = r1 + r6
-
- strd r10, [r14]
- sub r14, r14, r9 @ xptr -= step@
-
- sub r10, r2, r4 @ xptr[0] = r2 - r4@
- sub r11, r3, r7 @ xptr[1] = r3 - r7@
-
- strd r10, [r14]
- sub r14, r14, r9 @ xptr -= step@
-
- sub r10, r0, r5 @ xptr[0] = r0 - r5@
- sub r11, r1, r6 @ xptr[0] = r1 - r6
-
- strd r10, [r14]
- sub r14, r14, r9 @ xptr -= step@
-
- add r10, r2, r4 @ xptr[0] = r2 - r4@
- add r11, r3, r7 @ xptr[1] = r3 - r7@
-
- strd r10, [r14]
- add r14, r14, #8 @ xptr += 2@
-
- ldr r11, [sp, #20]
- subs r11, r11, #1
- bne Radix4FFT_LOOP3
-
-Radix4FFT_LOOP2_END:
- ldr r10, [sp, #16]
- ldr r3, [sp, #12]
- ldr r2, [sp, #8]
- rsb r8, r9, r9, lsl #2
- sub r10, r10, #1
- add r14, r14, r8
- cmp r10, #0
- bhi Radix4FFT_LOOP2
-
-Radix4FFT_LOOP1_END:
- ldr r0, [sp]
- ldr r1, [sp, #4]
- add r3, r3, r8, asr #1
- mov r2, r2, lsl #2
- movs r1, r1, asr #2
- bne Radix4FFT_LOOP1
-
-Radix4FFT_END:
- add sp, sp, #32
- ldmia sp!, {r4 - r11, pc}
-
- @ENDP @ |Radix4FFT|
+@/*
+@ ** Copyright 2003-2010, VisualOn, Inc.
+@ **
+@ ** 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.
+@ */
+
+@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+@ File: Radix4FFT_v5.s
+@
+@ Content: Radix4FFT armv5 assemble
+@
+@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+ .section .text
+ .global Radix4FFT
+
+Radix4FFT:
+ stmdb sp!, {r4 - r11, lr}
+ sub sp, sp, #32
+
+ mov r1, r1, asr #2
+ cmp r1, #0
+ beq Radix4FFT_END
+
+Radix4FFT_LOOP1:
+ mov r14, r0 @ xptr = buf@
+ mov r10, r1 @ i = num@
+ mov r9, r2, lsl #3 @ step = 2*bgn@
+ cmp r10, #0
+ str r0, [sp]
+ str r1, [sp, #4]
+ str r2, [sp, #8]
+ str r3, [sp, #12]
+ beq Radix4FFT_LOOP1_END
+
+Radix4FFT_LOOP2:
+ mov r12, r3 @ csptr = twidTab@
+ mov r11, r2 @ j = bgn
+ cmp r11, #0
+ str r10, [sp, #16]
+ beq Radix4FFT_LOOP2_END
+
+Radix4FFT_LOOP3:
+ str r11, [sp, #20]
+
+ ldrd r0, [r14, #0] @ r0 = xptr[0]@ r1 = xptr[1]@
+ add r14, r14, r9 @ xptr += step@
+
+ ldrd r10, [r14, #0] @ r2 = xptr[0]@ r3 = xptr[1]@
+ ldr r8, [r12], #4 @ cosxsinx = csptr[0]@
+
+ smulwt r4, r10, r8 @ L_mpy_wx(cosx, t0)
+ smulwt r3, r11, r8 @ L_mpy_wx(cosx, t1)
+
+ smlawb r2, r11, r8, r4 @ r2 = L_mpy_wx(cosx, t0) + L_mpy_wx(sinx, t1)@
+ smulwb r5, r10, r8 @ L_mpy_wx(sinx, t0)
+
+ mov r10, r0, asr #2 @ t0 = r0 >> 2@
+ mov r11, r1, asr #2 @ t1 = r1 >> 2@
+
+ sub r3, r3, r5 @ r3 = L_mpy_wx(cosx, t1) - L_mpy_wx(sinx, t0)@
+ add r14, r14, r9 @ xptr += step@
+
+ sub r0, r10, r2 @ r0 = t0 - r2@
+ sub r1, r11, r3 @ r1 = t1 - r3@
+
+ add r2, r10, r2 @ r2 = t0 + r2@
+ add r3, r11, r3 @ r3 = t1 + r3@
+
+ str r2, [sp, #24]
+ str r3, [sp, #28]
+
+ ldrd r10, [r14, #0] @ r4 = xptr[0]@ r5 = xptr[1]@
+ ldr r8, [r12], #4 @ cosxsinx = csptr[1]@
+
+ smulwt r6, r10, r8 @ L_mpy_wx(cosx, t0)
+ smulwt r5, r11, r8 @ L_mpy_wx(cosx, t1)
+
+ smlawb r4, r11, r8, r6 @ r4 = L_mpy_wx(cosx, t0) + L_mpy_wx(sinx, t1)@
+ smulwb r7, r10, r8 @ L_mpy_wx(sinx, t0)
+
+ add r14, r14, r9 @ xptr += step@
+ sub r5, r5, r7 @ r5 = L_mpy_wx(cosx, t1) - L_mpy_wx(sinx, t0)@
+
+ ldrd r10, [r14] @ r6 = xptr[0]@ r7 = xptr[1]@
+ ldr r8, [r12], #4 @ cosxsinx = csptr[1]@
+
+ smulwt r2, r10, r8 @ L_mpy_wx(cosx, t0)
+ smulwt r7, r11, r8 @ L_mpy_wx(cosx, t1)
+
+ smlawb r6, r11, r8, r2 @ r4 = L_mpy_wx(cosx, t0) + L_mpy_wx(sinx, t1)@
+ smulwb r3, r10, r8 @ L_mpy_wx(sinx, t0)
+
+ mov r10, r4 @ t0 = r4@
+ mov r11, r5 @ t1 = r5@
+
+ sub r7, r7, r3 @ r5 = L_mpy_wx(cosx, t1) - L_mpy_wx(sinx, t0)@
+
+
+ add r4, r10, r6 @ r4 = t0 + r6@
+ sub r5, r7, r11 @ r5 = r7 - t1@
+
+ sub r6, r10, r6 @ r6 = t0 - r6@
+ add r7, r7, r11 @ r7 = r7 + t1@
+
+ ldr r2, [sp, #24]
+ ldr r3, [sp, #28]
+
+ add r10, r0, r5 @ xptr[0] = r0 + r5@
+ add r11, r1, r6 @ xptr[0] = r1 + r6
+
+ strd r10, [r14]
+ sub r14, r14, r9 @ xptr -= step@
+
+ sub r10, r2, r4 @ xptr[0] = r2 - r4@
+ sub r11, r3, r7 @ xptr[1] = r3 - r7@
+
+ strd r10, [r14]
+ sub r14, r14, r9 @ xptr -= step@
+
+ sub r10, r0, r5 @ xptr[0] = r0 - r5@
+ sub r11, r1, r6 @ xptr[0] = r1 - r6
+
+ strd r10, [r14]
+ sub r14, r14, r9 @ xptr -= step@
+
+ add r10, r2, r4 @ xptr[0] = r2 - r4@
+ add r11, r3, r7 @ xptr[1] = r3 - r7@
+
+ strd r10, [r14]
+ add r14, r14, #8 @ xptr += 2@
+
+ ldr r11, [sp, #20]
+ subs r11, r11, #1
+ bne Radix4FFT_LOOP3
+
+Radix4FFT_LOOP2_END:
+ ldr r10, [sp, #16]
+ ldr r3, [sp, #12]
+ ldr r2, [sp, #8]
+ rsb r8, r9, r9, lsl #2
+ sub r10, r10, #1
+ add r14, r14, r8
+ cmp r10, #0
+ bhi Radix4FFT_LOOP2
+
+Radix4FFT_LOOP1_END:
+ ldr r0, [sp]
+ ldr r1, [sp, #4]
+ add r3, r3, r8, asr #1
+ mov r2, r2, lsl #2
+ movs r1, r1, asr #2
+ bne Radix4FFT_LOOP1
+
+Radix4FFT_END:
+ add sp, sp, #32
+ ldmia sp!, {r4 - r11, pc}
+
+ @ENDP @ |Radix4FFT|
.end \ No newline at end of file
generated by cgit v1.1 at 2024-05-17 02:39:18 +0000