Fix for invalid read of data below stack pointer
eliminate [sp, <negativeconstant> ] references by growing stack appropriately
larger and adjusting all sp-based offsets.
Bug:117660045
Test: vendor
Change-Id: I927a98c3da2dd331bd9205712404941fae5c3f81
(cherry picked from commit de3801a089)
This commit is contained in:
Rajat Kumar
Ray Essick
parent
c9062c1c4d
commit
5e84510dff
4 changed files with 397 additions and 409 deletions
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@ -28,8 +28,6 @@ ixheaacd_covariance_matrix_calc_2_armv7:
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AUTO_CORR_LOOP:
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STR r0 , [sp, #-4]!
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STR r1 , [sp, #-4]!
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LDR r1 , [sp], #4
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@ -4,19 +4,18 @@
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ixheaacd_complex_fft_p2_asm:
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STMFD sp!, {r0-r12, lr}
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SUB sp, sp, #0x28
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LDR r0, [sp, #0x2c]
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@LDR r12,[sp,#0x5c+4]
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SUB sp, sp, #0x44
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LDR r0, [sp, #0x48]
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EOR r0, r0, r0, ASR #31
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CLZ r0, r0
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SUB r12, r0, #16 @dig_rev_shift = norm32(npoints) + 1 -16@
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SUB r0, r0, #1
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RSB r0, r0, #0x1e
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AND r1, r0, #1
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STR r1, [sp, #0x14]
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STR r1, [sp, #0x30]
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MOV r1, r0, ASR #1
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LDR r0, [sp, #0x2c] @npoints
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STR r1, [sp, #-4]!
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LDR r0, [sp, #0x48] @npoints
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STR r1, [sp, #0x18]
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MOV lr, r0, LSL #1 @(npoints >>1) * 4
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MOV r0, #0
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@ -33,7 +32,7 @@ FIRST_STAGE_R4:
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BIC r7, r4, #0x00FF0000
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MOV r7, r7, LSR #8
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ORR r4, r7, r6, LSL #8
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LDR r5, [sp, #0x18]
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LDR r5, [sp, #0x30]
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MOV r10, r4, LSR r12
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CMP r5, #0
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ADDNE r10, r10, #1
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@ -70,24 +69,24 @@ FIRST_STAGE_R4:
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STMIA r3!, {r4-r11}
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BLT FIRST_STAGE_R4
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LDR r1, [sp], #4
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LDR r0, [sp, #0x2c]
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LDR r1, [sp, #0x18]
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LDR r0, [sp, #0x48]
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MOV r12, #0x40 @nodespacing = 64@
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STR r12, [sp, #0x1c]
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LDR r12, [sp, #0x2c]
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STR r12, [sp, #0x38]
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LDR r12, [sp, #0x48]
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SUB r3, r3, r0, LSL #3
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SUBS r1, r1, #1
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STR r3, [sp, #0x34]
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STR r3, [sp, #0x50]
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MOV r4, r12, ASR #4
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MOV r0, #4
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STR r4, [sp, #0x18]
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STR r1, [sp, #0x20]
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STR r4, [sp, #0x34]
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STR r1, [sp, #0x3c]
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BLE RADIX2
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OUTER_LOOP:
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LDR r1, [sp, #0x28]
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LDR r12, [sp, #0x34] @WORD32 *data = ptr_y@
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STR r1, [sp, #0x10]
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LDR r1, [sp, #0x18]
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LDR r1, [sp, #0x44]
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LDR r12, [sp, #0x50] @WORD32 *data = ptr_y@
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STR r1, [sp, #0x2c]
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LDR r1, [sp, #0x34]
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MOV r0, r0, LSL #3 @(del<<1) * 4
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LOOP_TRIVIAL_TWIDDLE:
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@ -141,11 +140,11 @@ LOOP_TRIVIAL_TWIDDLE:
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BNE LOOP_TRIVIAL_TWIDDLE
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MOV r0, r0, ASR #3
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LDR r4, [sp, #0x1c]
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LDR r3, [sp, #0x34]
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LDR r4, [sp, #0x38]
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LDR r3, [sp, #0x50]
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MUL r1, r0, r4
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ADD r12, r3, #8
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STR r1, [sp, #0x24]
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STR r1, [sp, #0x40]
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MOV r3, r1, ASR #2
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ADD r3, r3, r1, ASR #3
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SUB r3, r3, r1, ASR #4
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@ -153,25 +152,25 @@ LOOP_TRIVIAL_TWIDDLE:
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SUB r3, r3, r1, ASR #6
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ADD r3, r3, r1, ASR #7
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SUB r3, r3, r1, ASR #8
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STR r3, [sp, #-4]!
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STR r3, [sp, #0x18]
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SECOND_LOOP:
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LDR r3, [sp, #0x10+4]
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LDR r14, [sp, #0x18+4]
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LDR r3, [sp, #0x2c]
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LDR r14, [sp, #0x34]
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MOV r0, r0, LSL #3 @(del<<1) * 4
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LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
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LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
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LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
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LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
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LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
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LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
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LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
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LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
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LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
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STR r4, [sp, #8+4]
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STR r1, [sp, #-4]
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STR r2, [sp, #-8]
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STR r5, [sp, #-12]
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STR r6, [sp, #-16]
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STR r7, [sp, #-20]
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STR r8, [sp, #-24]
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STR r4, [sp, #0x24]
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STR r1, [sp, #0x14]
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STR r2, [sp, #0x10]
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STR r5, [sp, #0x0c]
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STR r6, [sp, #0x08]
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STR r7, [sp, #0x04]
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STR r8, [sp]
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RADIX4_BFLY:
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@ -180,8 +179,8 @@ RADIX4_BFLY:
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LDRD r10, [r12, r0] @r10=x3r, r11=x3i
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SUBS r14, r14, #1
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LDR r1, [sp, #-4]
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LDR r2, [sp, #-8]
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LDR r1, [sp, #0x14]
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LDR r2, [sp, #0x10]
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SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
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LSR r3, r3, #31
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@ -198,8 +197,8 @@ RADIX4_BFLY:
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ADD r7, r7, r6
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SUB r6, r4, r5 @
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LDR r1, [sp, #-12]
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LDR r2, [sp, #-16]
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LDR r1, [sp, #0x0c]
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LDR r2, [sp, #0x08]
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SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
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LSR r3, r3, #31
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@ -216,8 +215,8 @@ RADIX4_BFLY:
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ADD r9, r9, r8
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SUB r8, r4, r5 @
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LDR r1, [sp, #-20]
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LDR r2, [sp, #-24]
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LDR r1, [sp, #0x04]
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LDR r2, [sp]
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SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
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LSR r3, r3, #31
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@ -237,7 +236,7 @@ RADIX4_BFLY:
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@SUB r12,r12,r0,lsl #1
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@LDRD r4,[r12] @r4=x0r, r5=x0i
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LDR r4, [r12, -r0, lsl #1]! @
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LDR r5, [r12, #4]
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LDR r5, [r12, #0x04]
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ADD r4, r8, r4 @x0r = x0r + x2r@
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@ -271,45 +270,45 @@ RADIX4_BFLY:
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BNE RADIX4_BFLY
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MOV r0, r0, ASR #3
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LDR r1, [sp, #0x2c+4]
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LDR r4, [sp, #8+4]
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LDR r1, [sp, #0x48]
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LDR r4, [sp, #0x24]
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SUB r1, r12, r1, LSL #3
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LDR r6, [sp, #0x1c+4]
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LDR r6, [sp, #0x38]
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ADD r12, r1, #8
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LDR r7, [sp, #0]
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LDR r7, [sp, #0x18]
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ADD r4, r4, r6
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CMP r4, r7
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BLE SECOND_LOOP
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SECOND_LOOP_2:
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LDR r3, [sp, #0x10+4]
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LDR r14, [sp, #0x18+4]
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LDR r3, [sp, #0x2c]
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LDR r14, [sp, #0x34]
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MOV r0, r0, LSL #3 @(del<<1) * 4
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LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
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LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
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LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
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LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
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LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
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LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
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SUB r3, r3, #2048 @ 512 *4
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LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
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LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
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LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
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STR r4, [sp, #8+4]
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STR r4, [sp, #0x24]
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STR r1, [sp, #-4]
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STR r2, [sp, #-8]
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STR r5, [sp, #-12]
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STR r6, [sp, #-16]
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STR r7, [sp, #-20]
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STR r8, [sp, #-24]
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STR r1, [sp, #0x14]
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STR r2, [sp, #0x10]
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STR r5, [sp, #0x0c]
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STR r6, [sp, #0x08]
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STR r7, [sp, #0x04]
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STR r8, [sp]
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RADIX4_BFLY_2:
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LDRD r6, [r12, r0]! @r6=x1r, r7=x1i
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LDRD r8, [r12, r0]! @r8=x2r, r9=x2i
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LDRD r10, [r12, r0] @r10=x3r, r11=x3i
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SUBS r14, r14, #1
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LDR r1, [sp, #-4]
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LDR r2, [sp, #-8]
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LDR r1, [sp, #0x14]
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LDR r2, [sp, #0x10]
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SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
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LSR r3, r3, #31
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@ -326,8 +325,8 @@ RADIX4_BFLY_2:
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ADD r7, r7, r6
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SUB r6, r4, r5 @
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LDR r1, [sp, #-12]
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LDR r2, [sp, #-16]
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LDR r1, [sp, #0x0c]
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LDR r2, [sp, #0x08]
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SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
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LSR r3, r3, #31
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@ -344,8 +343,8 @@ RADIX4_BFLY_2:
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ADD r9, r9, r8
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SUB r8, r4, r5 @
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LDR r1, [sp, #-20]
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LDR r2, [sp, #-24]
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LDR r1, [sp, #0x04]
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LDR r2, [sp]
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SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
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LSR r3, r3, #31
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@ -365,7 +364,7 @@ RADIX4_BFLY_2:
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@SUB r12,r12,r0,lsl #1
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@LDRD r4,[r12] @r4=x0r, r5=x0i
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LDR r4, [r12, -r0, lsl #1]! @
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LDR r5, [r12, #4]
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LDR r5, [r12, #0x04]
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ADD r4, r8, r4 @x0r = x0r + x2r@
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@ -399,39 +398,39 @@ RADIX4_BFLY_2:
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BNE RADIX4_BFLY_2
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MOV r0, r0, ASR #3
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LDR r1, [sp, #0x2c+4]
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LDR r4, [sp, #8+4]
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LDR r1, [sp, #0x48]
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LDR r4, [sp, #0x24]
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SUB r1, r12, r1, LSL #3
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LDR r6, [sp, #0x1c+4]
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LDR r6, [sp, #0x38]
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ADD r12, r1, #8
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LDR r7, [sp, #0x24+4]
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LDR r7, [sp, #0x40]
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ADD r4, r4, r6
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CMP r4, r7, ASR #1
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BLE SECOND_LOOP_2
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LDR r7, [sp, #0]
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LDR r7, [sp, #0x18]
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CMP r4, r7, LSL #1
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BGT SECOND_LOOP_4
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SECOND_LOOP_3:
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LDR r3, [sp, #0x10+4]
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LDR r14, [sp, #0x18+4]
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LDR r3, [sp, #0x2c]
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LDR r14, [sp, #0x34]
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MOV r0, r0, LSL #3 @(del<<1) * 4
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LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
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LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
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LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
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SUB r3, r3, #2048 @ 512 *4
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LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
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LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
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LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
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LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
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LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
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LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
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STR r4, [sp, #8+4]
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STR r1, [sp, #-4]
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STR r2, [sp, #-8]
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STR r5, [sp, #-12]
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STR r6, [sp, #-16]
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STR r7, [sp, #-20]
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STR r8, [sp, #-24]
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STR r4, [sp, #0x24]
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STR r1, [sp, #0x14]
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STR r2, [sp, #0x10]
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STR r5, [sp, #0x0c]
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STR r6, [sp, #0x08]
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STR r7, [sp, #0x04]
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STR r8, [sp]
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RADIX4_BFLY_3:
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@ -440,8 +439,8 @@ RADIX4_BFLY_3:
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LDRD r10, [r12, r0] @r10=x3r, r11=x3i
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SUBS r14, r14, #1
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LDR r1, [sp, #-4]
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LDR r2, [sp, #-8]
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LDR r1, [sp, #0x14]
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LDR r2, [sp, #0x10]
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SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
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LSR r3, r3, #31
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@ -458,8 +457,8 @@ RADIX4_BFLY_3:
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ADD r7, r7, r6
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SUB r6, r4, r5 @
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LDR r1, [sp, #-12]
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LDR r2, [sp, #-16]
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LDR r1, [sp, #0x0c]
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LDR r2, [sp, #0x08]
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SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
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LSR r3, r3, #31
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@ -476,8 +475,8 @@ RADIX4_BFLY_3:
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ADD r8, r9, r8
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SUB r9, r5, r4 @
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LDR r1, [sp, #-20]
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LDR r2, [sp, #-24]
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LDR r1, [sp, #0x04]
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LDR r2, [sp]
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|
||||
SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -497,7 +496,7 @@ RADIX4_BFLY_3:
|
|||
@SUB r12,r12,r0,lsl #1
|
||||
@LDRD r4,[r12] @r4=x0r, r5=x0i
|
||||
LDR r4, [r12, -r0, lsl #1]! @
|
||||
LDR r5, [r12, #4]
|
||||
LDR r5, [r12, #0x04]
|
||||
|
||||
|
||||
ADD r4, r8, r4 @x0r = x0r + x2r@
|
||||
|
|
@ -531,38 +530,38 @@ RADIX4_BFLY_3:
|
|||
BNE RADIX4_BFLY_3
|
||||
MOV r0, r0, ASR #3
|
||||
|
||||
LDR r1, [sp, #0x2c+4]
|
||||
LDR r4, [sp, #8+4]
|
||||
LDR r1, [sp, #0x48]
|
||||
LDR r4, [sp, #0x24]
|
||||
SUB r1, r12, r1, LSL #3
|
||||
LDR r6, [sp, #0x1c+4]
|
||||
LDR r6, [sp, #0x38]
|
||||
ADD r12, r1, #8
|
||||
LDR r7, [sp, #0]
|
||||
LDR r7, [sp, #0x18]
|
||||
ADD r4, r4, r6
|
||||
CMP r4, r7, LSL #1
|
||||
BLE SECOND_LOOP_3
|
||||
|
||||
SECOND_LOOP_4:
|
||||
LDR r3, [sp, #0x10+4]
|
||||
LDR r14, [sp, #0x18+4]
|
||||
LDR r3, [sp, #0x2c]
|
||||
LDR r14, [sp, #0x34]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
|
||||
LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
|
||||
LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
|
||||
SUB r3, r3, #2048 @ 512 *4
|
||||
LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
|
||||
LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
SUB r3, r3, #2048 @ 512 *4
|
||||
LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
|
||||
LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
|
||||
|
||||
STR r4, [sp, #8+4]
|
||||
STR r1, [sp, #-4]
|
||||
STR r2, [sp, #-8]
|
||||
STR r5, [sp, #-12]
|
||||
STR r6, [sp, #-16]
|
||||
STR r7, [sp, #-20]
|
||||
STR r8, [sp, #-24]
|
||||
STR r4, [sp, #0x24]
|
||||
STR r1, [sp, #0x14]
|
||||
STR r2, [sp, #0x10]
|
||||
STR r5, [sp, #0x0c]
|
||||
STR r6, [sp, #0x08]
|
||||
STR r7, [sp, #0x04]
|
||||
STR r8, [sp]
|
||||
|
||||
RADIX4_BFLY_4:
|
||||
LDRD r6, [r12, r0]! @r6=x1r, r7=x1i
|
||||
|
|
@ -570,8 +569,8 @@ RADIX4_BFLY_4:
|
|||
LDRD r10, [r12, r0] @r10=x3r, r11=x3i
|
||||
SUBS r14, r14, #1
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [sp, #-8]
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r2, [sp, #0x10]
|
||||
|
||||
SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -588,8 +587,8 @@ RADIX4_BFLY_4:
|
|||
ADD r7, r7, r6
|
||||
SUB r6, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-12]
|
||||
LDR r2, [sp, #-16]
|
||||
LDR r1, [sp, #0x0c]
|
||||
LDR r2, [sp, #0x08]
|
||||
|
||||
SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -606,8 +605,8 @@ RADIX4_BFLY_4:
|
|||
ADD r8, r9, r8
|
||||
SUB r9, r5, r4 @
|
||||
|
||||
LDR r1, [sp, #-20]
|
||||
LDR r2, [sp, #-24]
|
||||
LDR r1, [sp, #0x04]
|
||||
LDR r2, [sp]
|
||||
|
||||
SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -627,7 +626,7 @@ RADIX4_BFLY_4:
|
|||
@SUB r12,r12,r0,lsl #1
|
||||
@LDRD r4,[r12] @r4=x0r, r5=x0i
|
||||
LDR r4, [r12, -r0, lsl #1]! @
|
||||
LDR r5, [r12, #4]
|
||||
LDR r5, [r12, #0x04]
|
||||
|
||||
|
||||
ADD r4, r8, r4 @x0r = x0r + x2r@
|
||||
|
|
@ -661,48 +660,46 @@ RADIX4_BFLY_4:
|
|||
BNE RADIX4_BFLY_4
|
||||
MOV r0, r0, ASR #3
|
||||
|
||||
LDR r1, [sp, #0x2c+4]
|
||||
LDR r4, [sp, #8+4]
|
||||
LDR r1, [sp, #0x48]
|
||||
LDR r4, [sp, #0x24]
|
||||
SUB r1, r12, r1, LSL #3
|
||||
LDR r6, [sp, #0x1c+4]
|
||||
LDR r6, [sp, #0x38]
|
||||
ADD r12, r1, #8
|
||||
LDR r7, [sp, #0x24+4]
|
||||
LDR r7, [sp, #0x40]
|
||||
ADD r4, r4, r6
|
||||
CMP r4, r7
|
||||
BLT SECOND_LOOP_4
|
||||
ADD sp, sp, #4
|
||||
|
||||
LDR r1, [sp, #0x1c]
|
||||
LDR r1, [sp, #0x38]
|
||||
MOV r0, r0, LSL #2
|
||||
MOV r1, r1, ASR #2
|
||||
STR r1, [sp, #0x1c]
|
||||
LDR r1, [sp, #0x18]
|
||||
STR r1, [sp, #0x38]
|
||||
LDR r1, [sp, #0x34]
|
||||
MOV r1, r1, ASR #2
|
||||
STR r1, [sp, #0x18]
|
||||
LDR r1, [sp, #0x20]
|
||||
STR r1, [sp, #0x34]
|
||||
LDR r1, [sp, #0x3c]
|
||||
SUBS r1, r1, #1
|
||||
STR r1, [sp, #0x20]
|
||||
STR r1, [sp, #0x3c]
|
||||
BGT OUTER_LOOP
|
||||
|
||||
RADIX2:
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r1, [sp, #0x30]
|
||||
CMP r1, #0
|
||||
BEQ EXIT
|
||||
LDR r12, [sp, #0x1c]
|
||||
LDR r1, [sp, #0x28]
|
||||
LDR r12, [sp, #0x38]
|
||||
LDR r1, [sp, #0x44]
|
||||
CMP r12, #0
|
||||
LDRNE r12, [sp, #0x1c]
|
||||
MOVEQ r4, #1
|
||||
MOVNE r4, r12, LSL #1
|
||||
MOVS r3, r0
|
||||
BEQ EXIT
|
||||
|
||||
MOV r3, r3, ASR #1
|
||||
LDR r5, [sp, #0x34]
|
||||
LDR r5, [sp, #0x50]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
STR r1, [sp, #-4]
|
||||
STR r1, [sp, #0x18]
|
||||
RADIX2_BFLY:
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDRD r6, [r5] @r6 = x0r
|
||||
ADD r5, r5, r0
|
||||
LDRD r8, [r5] @r8 = x1r
|
||||
|
|
@ -719,10 +716,10 @@ RADIX2_BFLY:
|
|||
ORR r10, r1, r10, LSL#1
|
||||
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [r1, #4]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDR r2, [r1, #0x04]
|
||||
ADD r1, r1, r4, LSL #3
|
||||
STR r1, [sp, #-4]
|
||||
STR r1, [sp, #0x18]
|
||||
|
||||
SMULL r1, r8, r8, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r1, r1, #31
|
||||
|
|
@ -750,11 +747,11 @@ RADIX2_BFLY:
|
|||
|
||||
BNE RADIX2_BFLY
|
||||
|
||||
LDR r1, [sp, #0x28]
|
||||
LDR r1, [sp, #0x44]
|
||||
MOV r3, r0, ASR #4
|
||||
STR r1, [sp, #-4]
|
||||
STR r1, [sp, #0x18]
|
||||
RADIX2_BFLY_2:
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDRD r6, [r5] @r6 = x0r
|
||||
ADD r5, r5, r0
|
||||
LDRD r8, [r5] @r8 = x1r
|
||||
|
|
@ -772,10 +769,10 @@ RADIX2_BFLY_2:
|
|||
ORR r10, r1, r10, LSL#1
|
||||
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [r1, #4]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDR r2, [r1, #0x04]
|
||||
ADD r1, r1, r4, LSL #3
|
||||
STR r1, [sp, #-4]
|
||||
STR r1, [sp, #0x18]
|
||||
|
||||
SMULL r1, r8, r8, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r1, r1, #31
|
||||
|
|
@ -804,6 +801,6 @@ RADIX2_BFLY_2:
|
|||
BNE RADIX2_BFLY_2
|
||||
|
||||
EXIT:
|
||||
ADD sp, sp, #0x38
|
||||
ADD sp, sp, #0x54
|
||||
LDMFD sp!, {r4-r12, pc}
|
||||
|
||||
|
|
|
|||
|
|
@ -4,19 +4,18 @@
|
|||
|
||||
ixheaacd_complex_ifft_p2_asm:
|
||||
STMFD sp!, {r0-r12, lr}
|
||||
SUB sp, sp, #0x28
|
||||
LDR r0, [sp, #0x2c]
|
||||
@LDR r12,[sp,#0x5c+4]
|
||||
SUB sp, sp, #0x44
|
||||
LDR r0, [sp, #0x48]
|
||||
EOR r0, r0, r0, ASR #31
|
||||
CLZ r0, r0
|
||||
SUB r12, r0, #16 @dig_rev_shift = norm32(npoints) + 1 -16@
|
||||
SUB r0, r0, #1
|
||||
RSB r0, r0, #0x1e
|
||||
AND r1, r0, #1
|
||||
STR r1, [sp, #0x14]
|
||||
STR r1, [sp, #0x30]
|
||||
MOV r1, r0, ASR #1
|
||||
LDR r0, [sp, #0x2c] @npoints
|
||||
STR r1, [sp, #-4]!
|
||||
LDR r0, [sp, #0x48] @npoints
|
||||
STR r1, [sp, #0x18]
|
||||
MOV lr, r0, LSL #1 @(npoints >>1) * 4
|
||||
MOV r0, #0
|
||||
|
||||
|
|
@ -33,7 +32,7 @@ FIRST_STAGE_R4:
|
|||
BIC r7, r4, #0x00FF0000
|
||||
MOV r7, r7, LSR #8
|
||||
ORR r4, r7, r6, LSL #8
|
||||
LDR r5, [sp, #0x18]
|
||||
LDR r5, [sp, #0x30]
|
||||
MOV r10, r4, LSR r12
|
||||
CMP r5, #0
|
||||
ADDNE r10, r10, #1
|
||||
|
|
@ -70,24 +69,24 @@ FIRST_STAGE_R4:
|
|||
|
||||
STMIA r3!, {r4-r11}
|
||||
BLT FIRST_STAGE_R4
|
||||
LDR r1, [sp], #4
|
||||
LDR r0, [sp, #0x2c]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDR r0, [sp, #0x48]
|
||||
MOV r12, #0x40 @nodespacing = 64@
|
||||
STR r12, [sp, #0x1c]
|
||||
LDR r12, [sp, #0x2c]
|
||||
STR r12, [sp, #0x38]
|
||||
LDR r12, [sp, #0x48]
|
||||
SUB r3, r3, r0, LSL #3
|
||||
SUBS r1, r1, #1
|
||||
STR r3, [sp, #0x34]
|
||||
STR r3, [sp, #0x50]
|
||||
MOV r4, r12, ASR #4
|
||||
MOV r0, #4
|
||||
STR r4, [sp, #0x18]
|
||||
STR r1, [sp, #0x20]
|
||||
STR r4, [sp, #0x34]
|
||||
STR r1, [sp, #0x3c]
|
||||
BLE RADIX2
|
||||
OUTER_LOOP:
|
||||
LDR r1, [sp, #0x28]
|
||||
LDR r12, [sp, #0x34] @WORD32 *data = ptr_y@
|
||||
STR r1, [sp, #0x10]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDR r1, [sp, #0x44]
|
||||
LDR r12, [sp, #0x50] @WORD32 *data = ptr_y@
|
||||
STR r1, [sp, #0x2c]
|
||||
LDR r1, [sp, #0x34]
|
||||
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
LOOP_TRIVIAL_TWIDDLE:
|
||||
|
|
@ -141,11 +140,11 @@ LOOP_TRIVIAL_TWIDDLE:
|
|||
BNE LOOP_TRIVIAL_TWIDDLE
|
||||
|
||||
MOV r0, r0, ASR #3
|
||||
LDR r4, [sp, #0x1c]
|
||||
LDR r3, [sp, #0x34]
|
||||
LDR r4, [sp, #0x38]
|
||||
LDR r3, [sp, #0x50]
|
||||
MUL r1, r0, r4
|
||||
ADD r12, r3, #8
|
||||
STR r1, [sp, #0x24]
|
||||
STR r1, [sp, #0x40]
|
||||
MOV r3, r1, ASR #2
|
||||
ADD r3, r3, r1, ASR #3
|
||||
SUB r3, r3, r1, ASR #4
|
||||
|
|
@ -153,25 +152,25 @@ LOOP_TRIVIAL_TWIDDLE:
|
|||
SUB r3, r3, r1, ASR #6
|
||||
ADD r3, r3, r1, ASR #7
|
||||
SUB r3, r3, r1, ASR #8
|
||||
STR r3, [sp, #-4]!
|
||||
STR r3, [sp, #0x18]
|
||||
SECOND_LOOP:
|
||||
LDR r3, [sp, #0x10+4]
|
||||
LDR r14, [sp, #0x18+4]
|
||||
LDR r3, [sp, #0x2c]
|
||||
LDR r14, [sp, #0x34]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
|
||||
LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
|
||||
LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
|
||||
LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
|
||||
STR r4, [sp, #8+4]
|
||||
STR r1, [sp, #-4]
|
||||
STR r2, [sp, #-8]
|
||||
STR r5, [sp, #-12]
|
||||
STR r6, [sp, #-16]
|
||||
STR r7, [sp, #-20]
|
||||
STR r8, [sp, #-24]
|
||||
STR r4, [sp, #0x24]
|
||||
STR r1, [sp, #0x14]
|
||||
STR r2, [sp, #0x10]
|
||||
STR r5, [sp, #0x0c]
|
||||
STR r6, [sp, #0x08]
|
||||
STR r7, [sp, #0x04]
|
||||
STR r8, [sp]
|
||||
|
||||
RADIX4_BFLY:
|
||||
|
||||
|
|
@ -180,8 +179,8 @@ RADIX4_BFLY:
|
|||
LDRD r10, [r12, r0] @r10=x3r, r11=x3i
|
||||
SUBS r14, r14, #1
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [sp, #-8]
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r2, [sp, #0x10]
|
||||
|
||||
SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -198,8 +197,8 @@ RADIX4_BFLY:
|
|||
SUB r7, r7, r6
|
||||
ADD r6, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-12]
|
||||
LDR r2, [sp, #-16]
|
||||
LDR r1, [sp, #0x0c]
|
||||
LDR r2, [sp, #0x08]
|
||||
|
||||
SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -216,8 +215,8 @@ RADIX4_BFLY:
|
|||
SUB r9, r9, r8
|
||||
ADD r8, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-20]
|
||||
LDR r2, [sp, #-24]
|
||||
LDR r1, [sp, #0x04]
|
||||
LDR r2, [sp]
|
||||
|
||||
SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -237,7 +236,7 @@ RADIX4_BFLY:
|
|||
@SUB r12,r12,r0,lsl #1
|
||||
@LDRD r4,[r12] @r4=x0r, r5=x0i
|
||||
LDR r4, [r12, -r0, lsl #1]! @
|
||||
LDR r5, [r12, #4]
|
||||
LDR r5, [r12, #0x04]
|
||||
|
||||
|
||||
ADD r4, r8, r4 @x0r = x0r + x2r@
|
||||
|
|
@ -271,45 +270,45 @@ RADIX4_BFLY:
|
|||
BNE RADIX4_BFLY
|
||||
MOV r0, r0, ASR #3
|
||||
|
||||
LDR r1, [sp, #0x2c+4]
|
||||
LDR r4, [sp, #8+4]
|
||||
LDR r1, [sp, #0x48]
|
||||
LDR r4, [sp, #0x24]
|
||||
SUB r1, r12, r1, LSL #3
|
||||
LDR r6, [sp, #0x1c+4]
|
||||
LDR r6, [sp, #0x38]
|
||||
ADD r12, r1, #8
|
||||
LDR r7, [sp, #0]
|
||||
LDR r7, [sp, #0x18]
|
||||
ADD r4, r4, r6
|
||||
CMP r4, r7
|
||||
BLE SECOND_LOOP
|
||||
|
||||
SECOND_LOOP_2:
|
||||
LDR r3, [sp, #0x10+4]
|
||||
LDR r14, [sp, #0x18+4]
|
||||
LDR r3, [sp, #0x2c]
|
||||
LDR r14, [sp, #0x34]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
|
||||
LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
|
||||
LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
|
||||
LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
SUB r3, r3, #2048 @ 512 *4
|
||||
LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
|
||||
LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
|
||||
STR r4, [sp, #8+4]
|
||||
STR r4, [sp, #0x24]
|
||||
|
||||
STR r1, [sp, #-4]
|
||||
STR r2, [sp, #-8]
|
||||
STR r5, [sp, #-12]
|
||||
STR r6, [sp, #-16]
|
||||
STR r7, [sp, #-20]
|
||||
STR r8, [sp, #-24]
|
||||
STR r1, [sp, #0x14]
|
||||
STR r2, [sp, #0x10]
|
||||
STR r5, [sp, #0x0c]
|
||||
STR r6, [sp, #0x08]
|
||||
STR r7, [sp, #0x04]
|
||||
STR r8, [sp]
|
||||
|
||||
RADIX4_BFLY_2:
|
||||
LDRD r6, [r12, r0]! @r6=x1r, r7=x1i
|
||||
LDRD r8, [r12, r0]! @r8=x2r, r9=x2i
|
||||
LDRD r10, [r12, r0] @r10=x3r, r11=x3i
|
||||
SUBS r14, r14, #1
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [sp, #-8]
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r2, [sp, #0x10]
|
||||
|
||||
SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -326,8 +325,8 @@ RADIX4_BFLY_2:
|
|||
SUB r7, r7, r6
|
||||
ADD r6, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-12]
|
||||
LDR r2, [sp, #-16]
|
||||
LDR r1, [sp, #0x0c]
|
||||
LDR r2, [sp, #0x08]
|
||||
|
||||
SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -344,8 +343,8 @@ RADIX4_BFLY_2:
|
|||
SUB r9, r9, r8
|
||||
ADD r8, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-20]
|
||||
LDR r2, [sp, #-24]
|
||||
LDR r1, [sp, #0x04]
|
||||
LDR r2, [sp]
|
||||
|
||||
SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -365,7 +364,7 @@ RADIX4_BFLY_2:
|
|||
@SUB r12,r12,r0,lsl #1
|
||||
@LDRD r4,[r12] @r4=x0r, r5=x0i
|
||||
LDR r4, [r12, -r0, lsl #1]! @
|
||||
LDR r5, [r12, #4]
|
||||
LDR r5, [r12, #0x04]
|
||||
|
||||
|
||||
ADD r4, r8, r4 @x0r = x0r + x2r@
|
||||
|
|
@ -399,39 +398,39 @@ RADIX4_BFLY_2:
|
|||
BNE RADIX4_BFLY_2
|
||||
MOV r0, r0, ASR #3
|
||||
|
||||
LDR r1, [sp, #0x2c+4]
|
||||
LDR r4, [sp, #8+4]
|
||||
LDR r1, [sp, #0x48]
|
||||
LDR r4, [sp, #0x24]
|
||||
SUB r1, r12, r1, LSL #3
|
||||
LDR r6, [sp, #0x1c+4]
|
||||
LDR r6, [sp, #0x38]
|
||||
ADD r12, r1, #8
|
||||
LDR r7, [sp, #0x24+4]
|
||||
LDR r7, [sp, #0x40]
|
||||
ADD r4, r4, r6
|
||||
CMP r4, r7, ASR #1
|
||||
BLE SECOND_LOOP_2
|
||||
LDR r7, [sp, #0]
|
||||
LDR r7, [sp, #0x18]
|
||||
CMP r4, r7, LSL #1
|
||||
BGT SECOND_LOOP_4
|
||||
|
||||
SECOND_LOOP_3:
|
||||
LDR r3, [sp, #0x10+4]
|
||||
LDR r14, [sp, #0x18+4]
|
||||
LDR r3, [sp, #0x2c]
|
||||
LDR r14, [sp, #0x34]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
|
||||
LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
|
||||
LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
|
||||
SUB r3, r3, #2048 @ 512 *4
|
||||
LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
|
||||
LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
|
||||
LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
|
||||
STR r4, [sp, #8+4]
|
||||
STR r1, [sp, #-4]
|
||||
STR r2, [sp, #-8]
|
||||
STR r5, [sp, #-12]
|
||||
STR r6, [sp, #-16]
|
||||
STR r7, [sp, #-20]
|
||||
STR r8, [sp, #-24]
|
||||
STR r4, [sp, #0x24]
|
||||
STR r1, [sp, #0x14]
|
||||
STR r2, [sp, #0x10]
|
||||
STR r5, [sp, #0x0c]
|
||||
STR r6, [sp, #0x08]
|
||||
STR r7, [sp, #0x04]
|
||||
STR r8, [sp]
|
||||
|
||||
|
||||
RADIX4_BFLY_3:
|
||||
|
|
@ -440,8 +439,8 @@ RADIX4_BFLY_3:
|
|||
LDRD r10, [r12, r0] @r10=x3r, r11=x3i
|
||||
SUBS r14, r14, #1
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [sp, #-8]
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r2, [sp, #0x10]
|
||||
|
||||
SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -458,8 +457,8 @@ RADIX4_BFLY_3:
|
|||
SUB r7, r7, r6
|
||||
ADD r6, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-12]
|
||||
LDR r2, [sp, #-16]
|
||||
LDR r1, [sp, #0x0c]
|
||||
LDR r2, [sp, #0x08]
|
||||
|
||||
SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -476,8 +475,8 @@ RADIX4_BFLY_3:
|
|||
SUB r8, r8, r9
|
||||
ADD r9, r5, r4 @
|
||||
|
||||
LDR r1, [sp, #-20]
|
||||
LDR r2, [sp, #-24]
|
||||
LDR r1, [sp, #0x04]
|
||||
LDR r2, [sp]
|
||||
|
||||
SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -497,7 +496,7 @@ RADIX4_BFLY_3:
|
|||
@SUB r12,r12,r0,lsl #1
|
||||
@LDRD r4,[r12] @r4=x0r, r5=x0i
|
||||
LDR r4, [r12, -r0, lsl #1]! @
|
||||
LDR r5, [r12, #4]
|
||||
LDR r5, [r12, #0x04]
|
||||
|
||||
|
||||
ADD r4, r8, r4 @x0r = x0r + x2r@
|
||||
|
|
@ -531,38 +530,38 @@ RADIX4_BFLY_3:
|
|||
BNE RADIX4_BFLY_3
|
||||
MOV r0, r0, ASR #3
|
||||
|
||||
LDR r1, [sp, #0x2c+4]
|
||||
LDR r4, [sp, #8+4]
|
||||
LDR r1, [sp, #0x48]
|
||||
LDR r4, [sp, #0x24]
|
||||
SUB r1, r12, r1, LSL #3
|
||||
LDR r6, [sp, #0x1c+4]
|
||||
LDR r6, [sp, #0x38]
|
||||
ADD r12, r1, #8
|
||||
LDR r7, [sp, #0]
|
||||
LDR r7, [sp, #0x18]
|
||||
ADD r4, r4, r6
|
||||
CMP r4, r7, LSL #1
|
||||
BLE SECOND_LOOP_3
|
||||
|
||||
SECOND_LOOP_4:
|
||||
LDR r3, [sp, #0x10+4]
|
||||
LDR r14, [sp, #0x18+4]
|
||||
LDR r3, [sp, #0x2c]
|
||||
LDR r14, [sp, #0x34]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
|
||||
LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
|
||||
LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
|
||||
SUB r3, r3, #2048 @ 512 *4
|
||||
LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
|
||||
LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
SUB r3, r3, #2048 @ 512 *4
|
||||
LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
|
||||
LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
|
||||
|
||||
STR r4, [sp, #8+4]
|
||||
STR r1, [sp, #-4]
|
||||
STR r2, [sp, #-8]
|
||||
STR r5, [sp, #-12]
|
||||
STR r6, [sp, #-16]
|
||||
STR r7, [sp, #-20]
|
||||
STR r8, [sp, #-24]
|
||||
STR r4, [sp, #0x24]
|
||||
STR r1, [sp, #0x14]
|
||||
STR r2, [sp, #0x10]
|
||||
STR r5, [sp, #0x0c]
|
||||
STR r6, [sp, #0x08]
|
||||
STR r7, [sp, #0x04]
|
||||
STR r8, [sp]
|
||||
|
||||
RADIX4_BFLY_4:
|
||||
LDRD r6, [r12, r0]! @r6=x1r, r7=x1i
|
||||
|
|
@ -570,8 +569,8 @@ RADIX4_BFLY_4:
|
|||
LDRD r10, [r12, r0] @r10=x3r, r11=x3i
|
||||
SUBS r14, r14, #1
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [sp, #-8]
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r2, [sp, #0x10]
|
||||
|
||||
SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -588,8 +587,8 @@ RADIX4_BFLY_4:
|
|||
SUB r7, r7, r6
|
||||
ADD r6, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-12]
|
||||
LDR r2, [sp, #-16]
|
||||
LDR r1, [sp, #0x0c]
|
||||
LDR r2, [sp, #0x08]
|
||||
|
||||
SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -606,8 +605,8 @@ RADIX4_BFLY_4:
|
|||
SUB r8, r8, r9
|
||||
ADD r9, r5, r4 @
|
||||
|
||||
LDR r1, [sp, #-20]
|
||||
LDR r2, [sp, #-24]
|
||||
LDR r1, [sp, #0x04]
|
||||
LDR r2, [sp]
|
||||
|
||||
SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -628,7 +627,7 @@ RADIX4_BFLY_4:
|
|||
@SUB r12,r12,r0,lsl #1
|
||||
@LDRD r4,[r12] @r4=x0r, r5=x0i
|
||||
LDR r4, [r12, -r0, lsl #1]! @
|
||||
LDR r5, [r12, #4]
|
||||
LDR r5, [r12, #0x04]
|
||||
|
||||
|
||||
ADD r4, r8, r4 @x0r = x0r + x2r@
|
||||
|
|
@ -662,48 +661,46 @@ RADIX4_BFLY_4:
|
|||
BNE RADIX4_BFLY_4
|
||||
MOV r0, r0, ASR #3
|
||||
|
||||
LDR r1, [sp, #0x2c+4]
|
||||
LDR r4, [sp, #8+4]
|
||||
LDR r1, [sp, #0x48]
|
||||
LDR r4, [sp, #0x24]
|
||||
SUB r1, r12, r1, LSL #3
|
||||
LDR r6, [sp, #0x1c+4]
|
||||
LDR r6, [sp, #0x38]
|
||||
ADD r12, r1, #8
|
||||
LDR r7, [sp, #0x24+4]
|
||||
LDR r7, [sp, #0x40]
|
||||
ADD r4, r4, r6
|
||||
CMP r4, r7
|
||||
BLT SECOND_LOOP_4
|
||||
ADD sp, sp, #4
|
||||
|
||||
LDR r1, [sp, #0x1c]
|
||||
LDR r1, [sp, #0x38]
|
||||
MOV r0, r0, LSL #2
|
||||
MOV r1, r1, ASR #2
|
||||
STR r1, [sp, #0x1c]
|
||||
LDR r1, [sp, #0x18]
|
||||
STR r1, [sp, #0x38]
|
||||
LDR r1, [sp, #0x34]
|
||||
MOV r1, r1, ASR #2
|
||||
STR r1, [sp, #0x18]
|
||||
LDR r1, [sp, #0x20]
|
||||
STR r1, [sp, #0x34]
|
||||
LDR r1, [sp, #0x3c]
|
||||
SUBS r1, r1, #1
|
||||
STR r1, [sp, #0x20]
|
||||
STR r1, [sp, #0x3c]
|
||||
BGT OUTER_LOOP
|
||||
|
||||
RADIX2:
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r1, [sp, #0x30]
|
||||
CMP r1, #0
|
||||
BEQ EXIT
|
||||
LDR r12, [sp, #0x1c]
|
||||
LDR r1, [sp, #0x28]
|
||||
LDR r12, [sp, #0x38]
|
||||
LDR r1, [sp, #0x44]
|
||||
CMP r12, #0
|
||||
LDRNE r12, [sp, #0x1c]
|
||||
MOVEQ r4, #1
|
||||
MOVNE r4, r12, LSL #1
|
||||
MOVS r3, r0
|
||||
BEQ EXIT
|
||||
|
||||
MOV r3, r3, ASR #1
|
||||
LDR r5, [sp, #0x34]
|
||||
LDR r5, [sp, #0x50]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
STR r1, [sp, #-4]
|
||||
STR r1, [sp, #0x18]
|
||||
RADIX2_BFLY:
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDRD r6, [r5] @r6 = x0r
|
||||
ADD r5, r5, r0
|
||||
LDRD r8, [r5] @r8 = x1r
|
||||
|
|
@ -720,10 +717,10 @@ RADIX2_BFLY:
|
|||
ORR r10, r1, r10, LSL#1
|
||||
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [r1, #4]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDR r2, [r1, #0x04]
|
||||
ADD r1, r1, r4, LSL #3
|
||||
STR r1, [sp, #-4]
|
||||
STR r1, [sp, #0x18]
|
||||
|
||||
SMULL r1, r8, r8, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r1, r1, #31
|
||||
|
|
@ -750,11 +747,11 @@ RADIX2_BFLY:
|
|||
|
||||
BNE RADIX2_BFLY
|
||||
|
||||
LDR r1, [sp, #0x28]
|
||||
LDR r1, [sp, #0x44]
|
||||
MOV r3, r0, ASR #4
|
||||
STR r1, [sp, #-4]
|
||||
STR r1, [sp, #0x18]
|
||||
RADIX2_BFLY_2:
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDRD r6, [r5] @r6 = x0r
|
||||
ADD r5, r5, r0
|
||||
LDRD r8, [r5] @r8 = x1r
|
||||
|
|
@ -772,10 +769,10 @@ RADIX2_BFLY_2:
|
|||
ORR r10, r1, r10, LSL#1
|
||||
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [r1, #4]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDR r2, [r1, #0x04]
|
||||
ADD r1, r1, r4, LSL #3
|
||||
STR r1, [sp, #-4]
|
||||
STR r1, [sp, #0x18]
|
||||
|
||||
SMULL r1, r8, r8, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r1, r1, #31
|
||||
|
|
@ -804,6 +801,6 @@ RADIX2_BFLY_2:
|
|||
BNE RADIX2_BFLY_2
|
||||
|
||||
EXIT:
|
||||
ADD sp, sp, #0x38
|
||||
ADD sp, sp, #0x54
|
||||
LDMFD sp!, {r4-r12, pc}
|
||||
|
||||
|
|
|
|||
|
|
@ -6,20 +6,18 @@ ixheaacd_mps_complex_fft_64_asm:
|
|||
@LDR r4,[sp]
|
||||
STMFD sp!, {r0-r12, lr}
|
||||
LDR r4, [sp, #0x38]
|
||||
SUB sp, sp, #0x28
|
||||
@ LDR r4,[sp,#0x30]
|
||||
LDR r0, [sp, #0x2c]
|
||||
@LDR r12,[sp,#0x5c+4]
|
||||
SUB sp, sp, #0x44
|
||||
LDR r0, [sp, #0x48]
|
||||
EOR r0, r0, r0, ASR #31
|
||||
CLZ r0, r0
|
||||
SUB r12, r0, #16 @dig_rev_shift = norm32(npoints) + 1 -16@
|
||||
SUB r0, r0, #1
|
||||
RSB r0, r0, #0x1e
|
||||
AND r1, r0, #1
|
||||
STR r1, [sp, #0x14]
|
||||
STR r1, [sp, #0x30]
|
||||
MOV r1, r0, ASR #1
|
||||
LDR r0, [sp, #0x2c] @npoints
|
||||
STR r1, [sp, #-4]!
|
||||
LDR r0, [sp, #0x48] @npoints
|
||||
STR r1, [sp, #0x18]
|
||||
MOV lr, r0, LSL #1 @(npoints >>1) * 4
|
||||
MOV r0, #0
|
||||
MOV r12, r4
|
||||
|
|
@ -58,24 +56,24 @@ FIRST_STAGE_R4:
|
|||
|
||||
STMIA r3!, {r4-r11}
|
||||
BLT FIRST_STAGE_R4
|
||||
LDR r1, [sp], #4
|
||||
LDR r0, [sp, #0x2c]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDR r0, [sp, #0x48]
|
||||
MOV r12, #0x40 @nodespacing = 64@
|
||||
STR r12, [sp, #0x1c]
|
||||
LDR r12, [sp, #0x2c]
|
||||
STR r12, [sp, #0x38]
|
||||
LDR r12, [sp, #0x48]
|
||||
SUB r3, r3, r0, LSL #3
|
||||
SUBS r1, r1, #1
|
||||
STR r3, [sp, #0x34]
|
||||
STR r3, [sp, #0x50]
|
||||
MOV r4, r12, ASR #4
|
||||
MOV r0, #4
|
||||
STR r4, [sp, #0x18]
|
||||
STR r1, [sp, #0x20]
|
||||
STR r4, [sp, #0x34]
|
||||
STR r1, [sp, #0x3c]
|
||||
BLE EXIT
|
||||
OUTER_LOOP:
|
||||
LDR r1, [sp, #0x28]
|
||||
LDR r12, [sp, #0x34] @WORD32 *data = ptr_y@
|
||||
STR r1, [sp, #0x10]
|
||||
LDR r1, [sp, #0x18]
|
||||
LDR r1, [sp, #0x44]
|
||||
LDR r12, [sp, #0x50] @WORD32 *data = ptr_y@
|
||||
STR r1, [sp, #0x2c]
|
||||
LDR r1, [sp, #0x34]
|
||||
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
LOOP_TRIVIAL_TWIDDLE:
|
||||
|
|
@ -129,11 +127,11 @@ LOOP_TRIVIAL_TWIDDLE:
|
|||
BNE LOOP_TRIVIAL_TWIDDLE
|
||||
|
||||
MOV r0, r0, ASR #3
|
||||
LDR r4, [sp, #0x1c]
|
||||
LDR r3, [sp, #0x34]
|
||||
LDR r4, [sp, #0x38]
|
||||
LDR r3, [sp, #0x50]
|
||||
MUL r1, r0, r4
|
||||
ADD r12, r3, #8
|
||||
STR r1, [sp, #0x24]
|
||||
STR r1, [sp, #0x40]
|
||||
MOV r3, r1, ASR #2
|
||||
ADD r3, r3, r1, ASR #3
|
||||
SUB r3, r3, r1, ASR #4
|
||||
|
|
@ -141,25 +139,25 @@ LOOP_TRIVIAL_TWIDDLE:
|
|||
SUB r3, r3, r1, ASR #6
|
||||
ADD r3, r3, r1, ASR #7
|
||||
SUB r3, r3, r1, ASR #8
|
||||
STR r3, [sp, #-4]!
|
||||
STR r3, [sp, #0x18]
|
||||
SECOND_LOOP:
|
||||
LDR r3, [sp, #0x10+4]
|
||||
LDR r14, [sp, #0x18+4]
|
||||
LDR r3, [sp, #0x2c]
|
||||
LDR r14, [sp, #0x34]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
|
||||
LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
|
||||
LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
|
||||
LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
|
||||
STR r4, [sp, #8+4]
|
||||
STR r1, [sp, #-4]
|
||||
STR r2, [sp, #-8]
|
||||
STR r5, [sp, #-12]
|
||||
STR r6, [sp, #-16]
|
||||
STR r7, [sp, #-20]
|
||||
STR r8, [sp, #-24]
|
||||
STR r4, [sp, #0x24]
|
||||
STR r1, [sp, #0x14]
|
||||
STR r2, [sp, #0x10]
|
||||
STR r5, [sp, #0x0c]
|
||||
STR r6, [sp, #0x08]
|
||||
STR r7, [sp, #0x04]
|
||||
STR r8, [sp]
|
||||
|
||||
RADIX4_BFLY:
|
||||
|
||||
|
|
@ -168,8 +166,8 @@ RADIX4_BFLY:
|
|||
LDRD r10, [r12, r0] @r10=x3r, r11=x3i
|
||||
SUBS r14, r14, #1
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [sp, #-8]
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r2, [sp, #0x10]
|
||||
|
||||
SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -186,8 +184,8 @@ RADIX4_BFLY:
|
|||
ADD r7, r7, r6
|
||||
SUB r6, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-12]
|
||||
LDR r2, [sp, #-16]
|
||||
LDR r1, [sp, #0x0c]
|
||||
LDR r2, [sp, #0x08]
|
||||
|
||||
SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -204,8 +202,8 @@ RADIX4_BFLY:
|
|||
ADD r9, r9, r8
|
||||
SUB r8, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-20]
|
||||
LDR r2, [sp, #-24]
|
||||
LDR r1, [sp, #0x04]
|
||||
LDR r2, [sp]
|
||||
|
||||
SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -225,7 +223,7 @@ RADIX4_BFLY:
|
|||
@SUB r12,r12,r0,lsl #1
|
||||
@LDRD r4,[r12] @r4=x0r, r5=x0i
|
||||
LDR r4, [r12, -r0, lsl #1]! @
|
||||
LDR r5, [r12, #4]
|
||||
LDR r5, [r12, #0x04]
|
||||
|
||||
|
||||
ADD r4, r8, r4 @x0r = x0r + x2r@
|
||||
|
|
@ -259,45 +257,45 @@ RADIX4_BFLY:
|
|||
BNE RADIX4_BFLY
|
||||
MOV r0, r0, ASR #3
|
||||
|
||||
LDR r1, [sp, #0x2c+4]
|
||||
LDR r4, [sp, #8+4]
|
||||
LDR r1, [sp, #0x48]
|
||||
LDR r4, [sp, #0x24]
|
||||
SUB r1, r12, r1, LSL #3
|
||||
LDR r6, [sp, #0x1c+4]
|
||||
LDR r6, [sp, #0x38]
|
||||
ADD r12, r1, #8
|
||||
LDR r7, [sp, #0]
|
||||
LDR r7, [sp, #0x18]
|
||||
ADD r4, r4, r6
|
||||
CMP r4, r7
|
||||
BLE SECOND_LOOP
|
||||
|
||||
SECOND_LOOP_2:
|
||||
LDR r3, [sp, #0x10+4]
|
||||
LDR r14, [sp, #0x18+4]
|
||||
LDR r3, [sp, #0x2c]
|
||||
LDR r14, [sp, #0x34]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
|
||||
LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
|
||||
LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
|
||||
LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
SUB r3, r3, #2048 @ 512 *4
|
||||
LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
|
||||
LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
|
||||
STR r4, [sp, #8+4]
|
||||
STR r4, [sp, #0x24]
|
||||
|
||||
STR r1, [sp, #-4]
|
||||
STR r2, [sp, #-8]
|
||||
STR r5, [sp, #-12]
|
||||
STR r6, [sp, #-16]
|
||||
STR r7, [sp, #-20]
|
||||
STR r8, [sp, #-24]
|
||||
STR r1, [sp, #0x14]
|
||||
STR r2, [sp, #0x10]
|
||||
STR r5, [sp, #0x0c]
|
||||
STR r6, [sp, #0x08]
|
||||
STR r7, [sp, #0x04]
|
||||
STR r8, [sp]
|
||||
|
||||
RADIX4_BFLY_2:
|
||||
LDRD r6, [r12, r0]! @r6=x1r, r7=x1i
|
||||
LDRD r8, [r12, r0]! @r8=x2r, r9=x2i
|
||||
LDRD r10, [r12, r0] @r10=x3r, r11=x3i
|
||||
SUBS r14, r14, #1
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [sp, #-8]
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r2, [sp, #0x10]
|
||||
|
||||
SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -314,8 +312,8 @@ RADIX4_BFLY_2:
|
|||
ADD r7, r7, r6
|
||||
SUB r6, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-12]
|
||||
LDR r2, [sp, #-16]
|
||||
LDR r1, [sp, #0x0c]
|
||||
LDR r2, [sp, #0x08]
|
||||
|
||||
SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -332,8 +330,8 @@ RADIX4_BFLY_2:
|
|||
ADD r9, r9, r8
|
||||
SUB r8, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-20]
|
||||
LDR r2, [sp, #-24]
|
||||
LDR r1, [sp, #0x04]
|
||||
LDR r2, [sp]
|
||||
|
||||
SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -353,7 +351,7 @@ RADIX4_BFLY_2:
|
|||
@SUB r12,r12,r0,lsl #1
|
||||
@LDRD r4,[r12] @r4=x0r, r5=x0i
|
||||
LDR r4, [r12, -r0, lsl #1]! @
|
||||
LDR r5, [r12, #4]
|
||||
LDR r5, [r12, #0x04]
|
||||
|
||||
|
||||
ADD r4, r8, r4 @x0r = x0r + x2r@
|
||||
|
|
@ -387,39 +385,39 @@ RADIX4_BFLY_2:
|
|||
BNE RADIX4_BFLY_2
|
||||
MOV r0, r0, ASR #3
|
||||
|
||||
LDR r1, [sp, #0x2c+4]
|
||||
LDR r4, [sp, #8+4]
|
||||
LDR r1, [sp, #0x48]
|
||||
LDR r4, [sp, #0x24]
|
||||
SUB r1, r12, r1, LSL #3
|
||||
LDR r6, [sp, #0x1c+4]
|
||||
LDR r6, [sp, #0x38]
|
||||
ADD r12, r1, #8
|
||||
LDR r7, [sp, #0x24+4]
|
||||
LDR r7, [sp, #0x40]
|
||||
ADD r4, r4, r6
|
||||
CMP r4, r7, ASR #1
|
||||
BLE SECOND_LOOP_2
|
||||
LDR r7, [sp, #0]
|
||||
LDR r7, [sp, #0x18]
|
||||
CMP r4, r7, LSL #1
|
||||
BGT SECOND_LOOP_4
|
||||
|
||||
SECOND_LOOP_3:
|
||||
LDR r3, [sp, #0x10+4]
|
||||
LDR r14, [sp, #0x18+4]
|
||||
LDR r3, [sp, #0x2c]
|
||||
LDR r14, [sp, #0x34]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
|
||||
LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
|
||||
LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
|
||||
SUB r3, r3, #2048 @ 512 *4
|
||||
LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
|
||||
LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
|
||||
LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
|
||||
STR r4, [sp, #8+4]
|
||||
STR r1, [sp, #-4]
|
||||
STR r2, [sp, #-8]
|
||||
STR r5, [sp, #-12]
|
||||
STR r6, [sp, #-16]
|
||||
STR r7, [sp, #-20]
|
||||
STR r8, [sp, #-24]
|
||||
STR r4, [sp, #0x24]
|
||||
STR r1, [sp, #0x14]
|
||||
STR r2, [sp, #0x10]
|
||||
STR r5, [sp, #0x0c]
|
||||
STR r6, [sp, #0x08]
|
||||
STR r7, [sp, #0x04]
|
||||
STR r8, [sp]
|
||||
|
||||
|
||||
RADIX4_BFLY_3:
|
||||
|
|
@ -428,8 +426,8 @@ RADIX4_BFLY_3:
|
|||
LDRD r10, [r12, r0] @r10=x3r, r11=x3i
|
||||
SUBS r14, r14, #1
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [sp, #-8]
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r2, [sp, #0x10]
|
||||
|
||||
SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -446,8 +444,8 @@ RADIX4_BFLY_3:
|
|||
ADD r7, r7, r6
|
||||
SUB r6, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-12]
|
||||
LDR r2, [sp, #-16]
|
||||
LDR r1, [sp, #0x0c]
|
||||
LDR r2, [sp, #0x08]
|
||||
|
||||
SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -464,8 +462,8 @@ RADIX4_BFLY_3:
|
|||
ADD r8, r9, r8
|
||||
SUB r9, r5, r4 @
|
||||
|
||||
LDR r1, [sp, #-20]
|
||||
LDR r2, [sp, #-24]
|
||||
LDR r1, [sp, #0x04]
|
||||
LDR r2, [sp]
|
||||
|
||||
SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -485,7 +483,7 @@ RADIX4_BFLY_3:
|
|||
@SUB r12,r12,r0,lsl #1
|
||||
@LDRD r4,[r12] @r4=x0r, r5=x0i
|
||||
LDR r4, [r12, -r0, lsl #1]! @
|
||||
LDR r5, [r12, #4]
|
||||
LDR r5, [r12, #0x04]
|
||||
|
||||
|
||||
ADD r4, r8, r4 @x0r = x0r + x2r@
|
||||
|
|
@ -519,38 +517,38 @@ RADIX4_BFLY_3:
|
|||
BNE RADIX4_BFLY_3
|
||||
MOV r0, r0, ASR #3
|
||||
|
||||
LDR r1, [sp, #0x2c+4]
|
||||
LDR r4, [sp, #8+4]
|
||||
LDR r1, [sp, #0x48]
|
||||
LDR r4, [sp, #0x24]
|
||||
SUB r1, r12, r1, LSL #3
|
||||
LDR r6, [sp, #0x1c+4]
|
||||
LDR r6, [sp, #0x38]
|
||||
ADD r12, r1, #8
|
||||
LDR r7, [sp, #0]
|
||||
LDR r7, [sp, #0x18]
|
||||
ADD r4, r4, r6
|
||||
CMP r4, r7, LSL #1
|
||||
BLE SECOND_LOOP_3
|
||||
|
||||
SECOND_LOOP_4:
|
||||
LDR r3, [sp, #0x10+4]
|
||||
LDR r14, [sp, #0x18+4]
|
||||
LDR r3, [sp, #0x2c]
|
||||
LDR r14, [sp, #0x34]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
|
||||
LDR r1, [r3, r4, LSL #3]! @ w1h = *(twiddles + 2*j)@
|
||||
LDR r2, [r3, #4] @w1l = *(twiddles + 2*j + 1)@
|
||||
LDR r2, [r3, #0x04] @w1l = *(twiddles + 2*j + 1)@
|
||||
SUB r3, r3, #2048 @ 512 *4
|
||||
LDR r5, [r3, r4, LSL #3]! @w2h = *(twiddles + 2*(j<<1))@
|
||||
LDR r6, [r3, #4] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
LDR r6, [r3, #0x04] @w2l = *(twiddles + 2*(j<<1) + 1)@
|
||||
SUB r3, r3, #2048 @ 512 *4
|
||||
LDR r7, [r3, r4, LSL #3]! @w3h = *(twiddles + 2*j + 2*(j<<1))@
|
||||
LDR r8, [r3, #4] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
LDR r8, [r3, #0x04] @w3l = *(twiddles + 2*j + 2*(j<<1) + 1)@
|
||||
|
||||
|
||||
STR r4, [sp, #8+4]
|
||||
STR r1, [sp, #-4]
|
||||
STR r2, [sp, #-8]
|
||||
STR r5, [sp, #-12]
|
||||
STR r6, [sp, #-16]
|
||||
STR r7, [sp, #-20]
|
||||
STR r8, [sp, #-24]
|
||||
STR r4, [sp, #0x24]
|
||||
STR r1, [sp, #0x14]
|
||||
STR r2, [sp, #0x10]
|
||||
STR r5, [sp, #0x0c]
|
||||
STR r6, [sp, #0x08]
|
||||
STR r7, [sp, #0x04]
|
||||
STR r8, [sp]
|
||||
|
||||
RADIX4_BFLY_4:
|
||||
LDRD r6, [r12, r0]! @r6=x1r, r7=x1i
|
||||
|
|
@ -558,8 +556,8 @@ RADIX4_BFLY_4:
|
|||
LDRD r10, [r12, r0] @r10=x3r, r11=x3i
|
||||
SUBS r14, r14, #1
|
||||
|
||||
LDR r1, [sp, #-4]
|
||||
LDR r2, [sp, #-8]
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r2, [sp, #0x10]
|
||||
|
||||
SMULL r3, r4, r6, r2 @ixheaacd_mult32(x1r,w1l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -576,8 +574,8 @@ RADIX4_BFLY_4:
|
|||
ADD r7, r7, r6
|
||||
SUB r6, r4, r5 @
|
||||
|
||||
LDR r1, [sp, #-12]
|
||||
LDR r2, [sp, #-16]
|
||||
LDR r1, [sp, #0x0c]
|
||||
LDR r2, [sp, #0x08]
|
||||
|
||||
SMULL r3, r4, r8, r2 @ixheaacd_mult32(x2r,w2l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -594,8 +592,8 @@ RADIX4_BFLY_4:
|
|||
ADD r8, r9, r8
|
||||
SUB r9, r5, r4 @
|
||||
|
||||
LDR r1, [sp, #-20]
|
||||
LDR r2, [sp, #-24]
|
||||
LDR r1, [sp, #0x04]
|
||||
LDR r2, [sp]
|
||||
|
||||
SMULL r3, r4, r10, r2 @ixheaacd_mult32(x3r,w3l)
|
||||
LSR r3, r3, #31
|
||||
|
|
@ -615,7 +613,7 @@ RADIX4_BFLY_4:
|
|||
@SUB r12,r12,r0,lsl #1
|
||||
@LDRD r4,[r12] @r4=x0r, r5=x0i
|
||||
LDR r4, [r12, -r0, lsl #1]! @
|
||||
LDR r5, [r12, #4]
|
||||
LDR r5, [r12, #0x04]
|
||||
|
||||
|
||||
ADD r4, r8, r4 @x0r = x0r + x2r@
|
||||
|
|
@ -648,47 +646,45 @@ RADIX4_BFLY_4:
|
|||
BNE RADIX4_BFLY_4
|
||||
MOV r0, r0, ASR #3
|
||||
|
||||
LDR r1, [sp, #0x2c+4]
|
||||
LDR r4, [sp, #8+4]
|
||||
LDR r1, [sp, #0x48]
|
||||
LDR r4, [sp, #0x24]
|
||||
SUB r1, r12, r1, LSL #3
|
||||
LDR r6, [sp, #0x1c+4]
|
||||
LDR r6, [sp, #0x38]
|
||||
ADD r12, r1, #8
|
||||
LDR r7, [sp, #0x24+4]
|
||||
LDR r7, [sp, #0x40]
|
||||
ADD r4, r4, r6
|
||||
CMP r4, r7
|
||||
BLT SECOND_LOOP_4
|
||||
ADD sp, sp, #4
|
||||
|
||||
LDR r1, [sp, #0x1c]
|
||||
LDR r1, [sp, #0x38]
|
||||
MOV r0, r0, LSL #2
|
||||
MOV r1, r1, ASR #2
|
||||
STR r1, [sp, #0x1c]
|
||||
LDR r1, [sp, #0x18]
|
||||
STR r1, [sp, #0x38]
|
||||
LDR r1, [sp, #0x34]
|
||||
MOV r1, r1, ASR #2
|
||||
STR r1, [sp, #0x18]
|
||||
LDR r1, [sp, #0x20]
|
||||
STR r1, [sp, #0x34]
|
||||
LDR r1, [sp, #0x3c]
|
||||
SUBS r1, r1, #1
|
||||
STR r1, [sp, #0x20]
|
||||
STR r1, [sp, #0x3c]
|
||||
BGT OUTER_LOOP
|
||||
|
||||
LDR r1, [sp, #0x14]
|
||||
LDR r1, [sp, #0x30]
|
||||
CMP r1, #0
|
||||
BEQ EXIT
|
||||
LDR r12, [sp, #0x1c]
|
||||
LDR r1, [sp, #0x28]
|
||||
LDR r12, [sp, #0x38]
|
||||
LDR r1, [sp, #0x44]
|
||||
CMP r12, #0
|
||||
LDRNE r12, [sp, #0x1c]
|
||||
MOVEQ r4, #1
|
||||
MOVNE r4, r12, LSL #1
|
||||
MOVS r3, r0
|
||||
BEQ EXIT
|
||||
|
||||
MOV r3, r3, ASR #1
|
||||
LDR r5, [sp, #0x34]
|
||||
LDR r5, [sp, #0x50]
|
||||
MOV r0, r0, LSL #3 @(del<<1) * 4
|
||||
STR r1, [sp, #-4]
|
||||
STR r1, [sp, #0x18]
|
||||
|
||||
EXIT:
|
||||
ADD sp, sp, #0x38
|
||||
ADD sp, sp, #0x54
|
||||
LDMFD sp!, {r4-r12, pc}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue