diff options
Diffstat (limited to 'src/common_audio/signal_processing_library/main/source/webrtc_fft_4ofq14_gcc_android.s')
| -rw-r--r-- | src/common_audio/signal_processing_library/main/source/webrtc_fft_4ofq14_gcc_android.s | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/src/common_audio/signal_processing_library/main/source/webrtc_fft_4ofq14_gcc_android.s b/src/common_audio/signal_processing_library/main/source/webrtc_fft_4ofq14_gcc_android.s new file mode 100644 index 0000000000..c1a893b3e4 --- /dev/null +++ b/src/common_audio/signal_processing_library/main/source/webrtc_fft_4ofq14_gcc_android.s @@ -0,0 +1,227 @@ + .globl FFT_4OFQ14
+
+FFT_4OFQ14:
+ stmdb sp!, {r4 - r11, lr}
+ ldr lr, =s_Q14S_8
+ ldr lr, [lr]
+ cmp r2, lr
+ movgt r0, #1
+ ldmgtia sp!, {r4 - r11, pc}
+ stmdb sp!, {r1, r2}
+ mov r3, #0
+ mov r2, r2
+
+LBL1:
+ add r12, r0, r3, lsl #2
+ add r12, r12, r2, lsr #1
+ ldrsh r5, [r12, #2]
+ ldrsh r4, [r12], +r2
+ ldrsh r9, [r12, #2]
+ ldrsh r8, [r12], +r2
+ ldrsh r7, [r12, #2]
+ ldrsh r6, [r12], +r2
+ ldrsh r11, [r12, #2]
+ ldrsh r10, [r12], +r2
+ add r4, r4, r6
+ add r5, r5, r7
+ sub r6, r4, r6, lsl #1
+ sub r7, r5, r7, lsl #1
+ sub r12, r8, r10
+ sub lr, r9, r11
+ add r10, r8, r10
+ add r11, r9, r11
+ sub r9, r4, r10
+ sub r8, r5, r11
+ add r4, r4, r10
+ add r5, r5, r11
+ sub r10, r6, lr
+ add r11, r7, r12
+ add r6, r6, lr
+ sub r7, r7, r12
+ ldr lr, =t_Q14R_rad8
+ ldrsh lr, [lr]
+ stmdb sp!, {r2}
+ add r12, r6, r7
+ mul r6, r12, lr
+ rsb r12, r12, r7, lsl #1
+ mul r7, r12, lr
+ sub r12, r11, r10
+ mul r10, r12, lr
+ sub r12, r12, r11, lsl #1
+ mul r11, r12, lr
+ ldmia sp!, {r2}
+ stmdb sp!, {r4 - r11}
+ add r4, r0, r3, lsl #2
+ ldrsh r7, [r4, #2]
+ ldrsh r6, [r4], +r2
+ ldrsh r11, [r4, #2]
+ ldrsh r10, [r4], +r2
+ ldrsh r9, [r4, #2]
+ ldrsh r8, [r4], +r2
+ ldrsh lr, [r4, #2]
+ ldrsh r12, [r4], +r2
+ mov r7, r7, asr #3
+ mov r6, r6, asr #3
+ add r6, r6, r8, asr #3
+ add r7, r7, r9, asr #3
+ sub r8, r6, r8, asr #2
+ sub r9, r7, r9, asr #2
+ sub r4, r10, r12
+ sub r5, r11, lr
+ add r10, r10, r12
+ add r11, r11, lr
+ add r6, r6, r10, asr #3
+ add r7, r7, r11, asr #3
+ sub r10, r6, r10, asr #2
+ sub r11, r7, r11, asr #2
+ sub r12, r8, r5, asr #3
+ add lr, r9, r4, asr #3
+ add r8, r8, r5, asr #3
+ sub r9, r9, r4, asr #3
+ ldmia sp!, {r4, r5}
+ add r6, r6, r4, asr #3
+ add r7, r7, r5, asr #3
+ sub r4, r6, r4, asr #2
+ sub r5, r7, r5, asr #2
+ strh r7, [r1, #2]
+ strh r6, [r1], #4
+ ldmia sp!, {r6, r7}
+ add r8, r8, r6, asr #17
+ add r9, r9, r7, asr #17
+ sub r6, r8, r6, asr #16
+ sub r7, r9, r7, asr #16
+ strh r9, [r1, #2]
+ strh r8, [r1], #4
+ ldmia sp!, {r8, r9}
+ add r10, r10, r8, asr #3
+ sub r11, r11, r9, asr #3
+ sub r8, r10, r8, asr #2
+ add r9, r11, r9, asr #2
+ strh r11, [r1, #2]
+ strh r10, [r1], #4
+ ldmia sp!, {r10, r11}
+ add r12, r12, r10, asr #17
+ add lr, lr, r11, asr #17
+ sub r10, r12, r10, asr #16
+ sub r11, lr, r11, asr #16
+ strh lr, [r1, #2]
+ strh r12, [r1], #4
+ strh r5, [r1, #2]
+ strh r4, [r1], #4
+ strh r7, [r1, #2]
+ strh r6, [r1], #4
+ strh r9, [r1, #2]
+ strh r8, [r1], #4
+ strh r11, [r1, #2]
+ strh r10, [r1], #4
+ eor r3, r3, r2, lsr #4
+ tst r3, r2, lsr #4
+ bne LBL1
+
+ eor r3, r3, r2, lsr #5
+ tst r3, r2, lsr #5
+ bne LBL1
+
+ mov r12, r2, lsr #6
+
+LBL2:
+ eor r3, r3, r12
+ tst r3, r12
+ bne LBL1
+
+ movs r12, r12, lsr #1
+ bne LBL2
+
+ ldmia sp!, {r1, r2}
+ mov r3, r2, lsr #3
+ mov r2, #0x20
+ ldr r0, =t_Q14S_8
+ cmp r3, #1
+ beq LBL3
+
+LBL6:
+ mov r3, r3, lsr #2
+ stmdb sp!, {r1, r3}
+ add r12, r2, r2, lsl #1
+ add r1, r1, r12
+ sub r3, r3, #1, 16
+
+LBL5:
+ add r3, r3, r2, lsl #14
+
+LBL4:
+ ldrsh r6, [r0], #2
+ ldrsh r7, [r0], #2
+ ldrsh r8, [r0], #2
+ ldrsh r9, [r0], #2
+ ldrsh r10, [r0], #2
+ ldrsh r11, [r0], #2
+ ldrsh r5, [r1, #2]
+ ldrsh r4, [r1], -r2
+ sub lr, r5, r4
+ mul r12, lr, r11
+ add lr, r10, r11, lsl #1
+ mla r11, r5, r10, r12
+ mla r10, r4, lr, r12
+ ldrsh r5, [r1, #2]
+ ldrsh r4, [r1], -r2
+ sub lr, r5, r4
+ mul r12, lr, r9
+ add lr, r8, r9, lsl #1
+ mla r9, r5, r8, r12
+ mla r8, r4, lr, r12
+ ldrsh r5, [r1, #2]
+ ldrsh r4, [r1], -r2
+ sub lr, r5, r4
+ mul r12, lr, r7
+ add lr, r6, r7, lsl #1
+ mla r7, r5, r6, r12
+ mla r6, r4, lr, r12
+ ldrsh r5, [r1, #2]
+ ldrsh r4, [r1]
+ mov r5, r5, asr #2
+ mov r4, r4, asr #2
+ add r12, r4, r6, asr #16
+ add lr, r5, r7, asr #16
+ sub r4, r4, r6, asr #16
+ sub r5, r5, r7, asr #16
+ add r6, r8, r10
+ add r7, r9, r11
+ sub r8, r8, r10
+ sub r9, r9, r11
+ add r10, r12, r6, asr #16
+ add r11, lr, r7, asr #16
+ strh r11, [r1, #2]
+ strh r10, [r1], +r2
+ add r10, r4, r9, asr #16
+ sub r11, r5, r8, asr #16
+ strh r11, [r1, #2]
+ strh r10, [r1], +r2
+ sub r10, r12, r6, asr #16
+ sub r11, lr, r7, asr #16
+ strh r11, [r1, #2]
+ strh r10, [r1], +r2
+ sub r10, r4, r9, asr #16
+ add r11, r5, r8, asr #16
+ strh r11, [r1, #2]
+ strh r10, [r1], #4
+ subs r3, r3, #1, 16
+ bge LBL4
+ add r12, r2, r2, lsl #1
+ add r1, r1, r12
+ sub r0, r0, r12
+ sub r3, r3, #1
+ movs lr, r3, lsl #16
+ bne LBL5
+ add r0, r0, r12
+ ldmia sp!, {r1, r3}
+ mov r2, r2, lsl #2
+ cmp r3, #2
+ bgt LBL6
+
+LBL3:
+ mov r0, #0
+ ldmia sp!, {r4 - r11, pc}
+ andeq r3, r1, r0, lsr #32
+ andeq r10, r1, r12, ror #31
+ andeq r3, r1, r8, lsr #32
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