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|
/*
* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/modules/audio_processing/aec/aec_rdft.h"
#include "webrtc/typedefs.h"
static void bitrv2_128_mips(float* a) {
// n is 128
float xr, xi, yr, yi;
xr = a[8];
xi = a[9];
yr = a[16];
yi = a[17];
a[8] = yr;
a[9] = yi;
a[16] = xr;
a[17] = xi;
xr = a[64];
xi = a[65];
yr = a[2];
yi = a[3];
a[64] = yr;
a[65] = yi;
a[2] = xr;
a[3] = xi;
xr = a[72];
xi = a[73];
yr = a[18];
yi = a[19];
a[72] = yr;
a[73] = yi;
a[18] = xr;
a[19] = xi;
xr = a[80];
xi = a[81];
yr = a[10];
yi = a[11];
a[80] = yr;
a[81] = yi;
a[10] = xr;
a[11] = xi;
xr = a[88];
xi = a[89];
yr = a[26];
yi = a[27];
a[88] = yr;
a[89] = yi;
a[26] = xr;
a[27] = xi;
xr = a[74];
xi = a[75];
yr = a[82];
yi = a[83];
a[74] = yr;
a[75] = yi;
a[82] = xr;
a[83] = xi;
xr = a[32];
xi = a[33];
yr = a[4];
yi = a[5];
a[32] = yr;
a[33] = yi;
a[4] = xr;
a[5] = xi;
xr = a[40];
xi = a[41];
yr = a[20];
yi = a[21];
a[40] = yr;
a[41] = yi;
a[20] = xr;
a[21] = xi;
xr = a[48];
xi = a[49];
yr = a[12];
yi = a[13];
a[48] = yr;
a[49] = yi;
a[12] = xr;
a[13] = xi;
xr = a[56];
xi = a[57];
yr = a[28];
yi = a[29];
a[56] = yr;
a[57] = yi;
a[28] = xr;
a[29] = xi;
xr = a[34];
xi = a[35];
yr = a[68];
yi = a[69];
a[34] = yr;
a[35] = yi;
a[68] = xr;
a[69] = xi;
xr = a[42];
xi = a[43];
yr = a[84];
yi = a[85];
a[42] = yr;
a[43] = yi;
a[84] = xr;
a[85] = xi;
xr = a[50];
xi = a[51];
yr = a[76];
yi = a[77];
a[50] = yr;
a[51] = yi;
a[76] = xr;
a[77] = xi;
xr = a[58];
xi = a[59];
yr = a[92];
yi = a[93];
a[58] = yr;
a[59] = yi;
a[92] = xr;
a[93] = xi;
xr = a[44];
xi = a[45];
yr = a[52];
yi = a[53];
a[44] = yr;
a[45] = yi;
a[52] = xr;
a[53] = xi;
xr = a[96];
xi = a[97];
yr = a[6];
yi = a[7];
a[96] = yr;
a[97] = yi;
a[6] = xr;
a[7] = xi;
xr = a[104];
xi = a[105];
yr = a[22];
yi = a[23];
a[104] = yr;
a[105] = yi;
a[22] = xr;
a[23] = xi;
xr = a[112];
xi = a[113];
yr = a[14];
yi = a[15];
a[112] = yr;
a[113] = yi;
a[14] = xr;
a[15] = xi;
xr = a[120];
xi = a[121];
yr = a[30];
yi = a[31];
a[120] = yr;
a[121] = yi;
a[30] = xr;
a[31] = xi;
xr = a[98];
xi = a[99];
yr = a[70];
yi = a[71];
a[98] = yr;
a[99] = yi;
a[70] = xr;
a[71] = xi;
xr = a[106];
xi = a[107];
yr = a[86];
yi = a[87];
a[106] = yr;
a[107] = yi;
a[86] = xr;
a[87] = xi;
xr = a[114];
xi = a[115];
yr = a[78];
yi = a[79];
a[114] = yr;
a[115] = yi;
a[78] = xr;
a[79] = xi;
xr = a[122];
xi = a[123];
yr = a[94];
yi = a[95];
a[122] = yr;
a[123] = yi;
a[94] = xr;
a[95] = xi;
xr = a[100];
xi = a[101];
yr = a[38];
yi = a[39];
a[100] = yr;
a[101] = yi;
a[38] = xr;
a[39] = xi;
xr = a[108];
xi = a[109];
yr = a[54];
yi = a[55];
a[108] = yr;
a[109] = yi;
a[54] = xr;
a[55] = xi;
xr = a[116];
xi = a[117];
yr = a[46];
yi = a[47];
a[116] = yr;
a[117] = yi;
a[46] = xr;
a[47] = xi;
xr = a[124];
xi = a[125];
yr = a[62];
yi = a[63];
a[124] = yr;
a[125] = yi;
a[62] = xr;
a[63] = xi;
xr = a[110];
xi = a[111];
yr = a[118];
yi = a[119];
a[110] = yr;
a[111] = yi;
a[118] = xr;
a[119] = xi;
}
static void cft1st_128_mips(float* a) {
float f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14;
int a_ptr, p1_rdft, p2_rdft, count;
const float* first = rdft_wk3ri_first;
const float* second = rdft_wk3ri_second;
__asm __volatile (
".set push \n\t"
".set noreorder \n\t"
// first 8
"lwc1 %[f0], 0(%[a]) \n\t"
"lwc1 %[f1], 4(%[a]) \n\t"
"lwc1 %[f2], 8(%[a]) \n\t"
"lwc1 %[f3], 12(%[a]) \n\t"
"lwc1 %[f4], 16(%[a]) \n\t"
"lwc1 %[f5], 20(%[a]) \n\t"
"lwc1 %[f6], 24(%[a]) \n\t"
"lwc1 %[f7], 28(%[a]) \n\t"
"add.s %[f8], %[f0], %[f2] \n\t"
"sub.s %[f0], %[f0], %[f2] \n\t"
"add.s %[f2], %[f4], %[f6] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"add.s %[f6], %[f1], %[f3] \n\t"
"sub.s %[f1], %[f1], %[f3] \n\t"
"add.s %[f3], %[f5], %[f7] \n\t"
"sub.s %[f5], %[f5], %[f7] \n\t"
"add.s %[f7], %[f8], %[f2] \n\t"
"sub.s %[f8], %[f8], %[f2] \n\t"
"sub.s %[f2], %[f1], %[f4] \n\t"
"add.s %[f1], %[f1], %[f4] \n\t"
"add.s %[f4], %[f6], %[f3] \n\t"
"sub.s %[f6], %[f6], %[f3] \n\t"
"sub.s %[f3], %[f0], %[f5] \n\t"
"add.s %[f0], %[f0], %[f5] \n\t"
"swc1 %[f7], 0(%[a]) \n\t"
"swc1 %[f8], 16(%[a]) \n\t"
"swc1 %[f2], 28(%[a]) \n\t"
"swc1 %[f1], 12(%[a]) \n\t"
"swc1 %[f4], 4(%[a]) \n\t"
"swc1 %[f6], 20(%[a]) \n\t"
"swc1 %[f3], 8(%[a]) \n\t"
"swc1 %[f0], 24(%[a]) \n\t"
// second 8
"lwc1 %[f0], 32(%[a]) \n\t"
"lwc1 %[f1], 36(%[a]) \n\t"
"lwc1 %[f2], 40(%[a]) \n\t"
"lwc1 %[f3], 44(%[a]) \n\t"
"lwc1 %[f4], 48(%[a]) \n\t"
"lwc1 %[f5], 52(%[a]) \n\t"
"lwc1 %[f6], 56(%[a]) \n\t"
"lwc1 %[f7], 60(%[a]) \n\t"
"add.s %[f8], %[f4], %[f6] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"add.s %[f6], %[f1], %[f3] \n\t"
"sub.s %[f1], %[f1], %[f3] \n\t"
"add.s %[f3], %[f0], %[f2] \n\t"
"sub.s %[f0], %[f0], %[f2] \n\t"
"add.s %[f2], %[f5], %[f7] \n\t"
"sub.s %[f5], %[f5], %[f7] \n\t"
"add.s %[f7], %[f4], %[f1] \n\t"
"sub.s %[f4], %[f4], %[f1] \n\t"
"add.s %[f1], %[f3], %[f8] \n\t"
"sub.s %[f3], %[f3], %[f8] \n\t"
"sub.s %[f8], %[f0], %[f5] \n\t"
"add.s %[f0], %[f0], %[f5] \n\t"
"add.s %[f5], %[f6], %[f2] \n\t"
"sub.s %[f6], %[f2], %[f6] \n\t"
"lwc1 %[f9], 8(%[rdft_w]) \n\t"
"sub.s %[f2], %[f8], %[f7] \n\t"
"add.s %[f8], %[f8], %[f7] \n\t"
"sub.s %[f7], %[f4], %[f0] \n\t"
"add.s %[f4], %[f4], %[f0] \n\t"
// prepare for loop
"addiu %[a_ptr], %[a], 64 \n\t"
"addiu %[p1_rdft], %[rdft_w], 8 \n\t"
"addiu %[p2_rdft], %[rdft_w], 16 \n\t"
"addiu %[count], $zero, 7 \n\t"
// finish second 8
"mul.s %[f2], %[f9], %[f2] \n\t"
"mul.s %[f8], %[f9], %[f8] \n\t"
"mul.s %[f7], %[f9], %[f7] \n\t"
"mul.s %[f4], %[f9], %[f4] \n\t"
"swc1 %[f1], 32(%[a]) \n\t"
"swc1 %[f3], 52(%[a]) \n\t"
"swc1 %[f5], 36(%[a]) \n\t"
"swc1 %[f6], 48(%[a]) \n\t"
"swc1 %[f2], 40(%[a]) \n\t"
"swc1 %[f8], 44(%[a]) \n\t"
"swc1 %[f7], 56(%[a]) \n\t"
"swc1 %[f4], 60(%[a]) \n\t"
// loop
"1: \n\t"
"lwc1 %[f0], 0(%[a_ptr]) \n\t"
"lwc1 %[f1], 4(%[a_ptr]) \n\t"
"lwc1 %[f2], 8(%[a_ptr]) \n\t"
"lwc1 %[f3], 12(%[a_ptr]) \n\t"
"lwc1 %[f4], 16(%[a_ptr]) \n\t"
"lwc1 %[f5], 20(%[a_ptr]) \n\t"
"lwc1 %[f6], 24(%[a_ptr]) \n\t"
"lwc1 %[f7], 28(%[a_ptr]) \n\t"
"add.s %[f8], %[f0], %[f2] \n\t"
"sub.s %[f0], %[f0], %[f2] \n\t"
"add.s %[f2], %[f4], %[f6] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"add.s %[f6], %[f1], %[f3] \n\t"
"sub.s %[f1], %[f1], %[f3] \n\t"
"add.s %[f3], %[f5], %[f7] \n\t"
"sub.s %[f5], %[f5], %[f7] \n\t"
"lwc1 %[f10], 4(%[p1_rdft]) \n\t"
"lwc1 %[f11], 0(%[p2_rdft]) \n\t"
"lwc1 %[f12], 4(%[p2_rdft]) \n\t"
"lwc1 %[f13], 8(%[first]) \n\t"
"lwc1 %[f14], 12(%[first]) \n\t"
"add.s %[f7], %[f8], %[f2] \n\t"
"sub.s %[f8], %[f8], %[f2] \n\t"
"add.s %[f2], %[f6], %[f3] \n\t"
"sub.s %[f6], %[f6], %[f3] \n\t"
"add.s %[f3], %[f0], %[f5] \n\t"
"sub.s %[f0], %[f0], %[f5] \n\t"
"add.s %[f5], %[f1], %[f4] \n\t"
"sub.s %[f1], %[f1], %[f4] \n\t"
"swc1 %[f7], 0(%[a_ptr]) \n\t"
"swc1 %[f2], 4(%[a_ptr]) \n\t"
"mul.s %[f4], %[f9], %[f8] \n\t"
#if defined(MIPS32_R2_LE)
"mul.s %[f8], %[f10], %[f8] \n\t"
"mul.s %[f7], %[f11], %[f0] \n\t"
"mul.s %[f0], %[f12], %[f0] \n\t"
"mul.s %[f2], %[f13], %[f3] \n\t"
"mul.s %[f3], %[f14], %[f3] \n\t"
"nmsub.s %[f4], %[f4], %[f10], %[f6] \n\t"
"madd.s %[f8], %[f8], %[f9], %[f6] \n\t"
"nmsub.s %[f7], %[f7], %[f12], %[f5] \n\t"
"madd.s %[f0], %[f0], %[f11], %[f5] \n\t"
"nmsub.s %[f2], %[f2], %[f14], %[f1] \n\t"
"madd.s %[f3], %[f3], %[f13], %[f1] \n\t"
#else
"mul.s %[f7], %[f10], %[f6] \n\t"
"mul.s %[f6], %[f9], %[f6] \n\t"
"mul.s %[f8], %[f10], %[f8] \n\t"
"mul.s %[f2], %[f11], %[f0] \n\t"
"mul.s %[f11], %[f11], %[f5] \n\t"
"mul.s %[f5], %[f12], %[f5] \n\t"
"mul.s %[f0], %[f12], %[f0] \n\t"
"mul.s %[f12], %[f13], %[f3] \n\t"
"mul.s %[f13], %[f13], %[f1] \n\t"
"mul.s %[f1], %[f14], %[f1] \n\t"
"mul.s %[f3], %[f14], %[f3] \n\t"
"sub.s %[f4], %[f4], %[f7] \n\t"
"add.s %[f8], %[f6], %[f8] \n\t"
"sub.s %[f7], %[f2], %[f5] \n\t"
"add.s %[f0], %[f11], %[f0] \n\t"
"sub.s %[f2], %[f12], %[f1] \n\t"
"add.s %[f3], %[f13], %[f3] \n\t"
#endif
"swc1 %[f4], 16(%[a_ptr]) \n\t"
"swc1 %[f8], 20(%[a_ptr]) \n\t"
"swc1 %[f7], 8(%[a_ptr]) \n\t"
"swc1 %[f0], 12(%[a_ptr]) \n\t"
"swc1 %[f2], 24(%[a_ptr]) \n\t"
"swc1 %[f3], 28(%[a_ptr]) \n\t"
"lwc1 %[f0], 32(%[a_ptr]) \n\t"
"lwc1 %[f1], 36(%[a_ptr]) \n\t"
"lwc1 %[f2], 40(%[a_ptr]) \n\t"
"lwc1 %[f3], 44(%[a_ptr]) \n\t"
"lwc1 %[f4], 48(%[a_ptr]) \n\t"
"lwc1 %[f5], 52(%[a_ptr]) \n\t"
"lwc1 %[f6], 56(%[a_ptr]) \n\t"
"lwc1 %[f7], 60(%[a_ptr]) \n\t"
"add.s %[f8], %[f0], %[f2] \n\t"
"sub.s %[f0], %[f0], %[f2] \n\t"
"add.s %[f2], %[f4], %[f6] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"add.s %[f6], %[f1], %[f3] \n\t"
"sub.s %[f1], %[f1], %[f3] \n\t"
"add.s %[f3], %[f5], %[f7] \n\t"
"sub.s %[f5], %[f5], %[f7] \n\t"
"lwc1 %[f11], 8(%[p2_rdft]) \n\t"
"lwc1 %[f12], 12(%[p2_rdft]) \n\t"
"lwc1 %[f13], 8(%[second]) \n\t"
"lwc1 %[f14], 12(%[second]) \n\t"
"add.s %[f7], %[f8], %[f2] \n\t"
"sub.s %[f8], %[f2], %[f8] \n\t"
"add.s %[f2], %[f6], %[f3] \n\t"
"sub.s %[f6], %[f3], %[f6] \n\t"
"add.s %[f3], %[f0], %[f5] \n\t"
"sub.s %[f0], %[f0], %[f5] \n\t"
"add.s %[f5], %[f1], %[f4] \n\t"
"sub.s %[f1], %[f1], %[f4] \n\t"
"swc1 %[f7], 32(%[a_ptr]) \n\t"
"swc1 %[f2], 36(%[a_ptr]) \n\t"
"mul.s %[f4], %[f10], %[f8] \n\t"
#if defined(MIPS32_R2_LE)
"mul.s %[f10], %[f10], %[f6] \n\t"
"mul.s %[f7], %[f11], %[f0] \n\t"
"mul.s %[f11], %[f11], %[f5] \n\t"
"mul.s %[f2], %[f13], %[f3] \n\t"
"mul.s %[f13], %[f13], %[f1] \n\t"
"madd.s %[f4], %[f4], %[f9], %[f6] \n\t"
"nmsub.s %[f10], %[f10], %[f9], %[f8] \n\t"
"nmsub.s %[f7], %[f7], %[f12], %[f5] \n\t"
"madd.s %[f11], %[f11], %[f12], %[f0] \n\t"
"nmsub.s %[f2], %[f2], %[f14], %[f1] \n\t"
"madd.s %[f13], %[f13], %[f14], %[f3] \n\t"
#else
"mul.s %[f2], %[f9], %[f6] \n\t"
"mul.s %[f10], %[f10], %[f6] \n\t"
"mul.s %[f9], %[f9], %[f8] \n\t"
"mul.s %[f7], %[f11], %[f0] \n\t"
"mul.s %[f8], %[f12], %[f5] \n\t"
"mul.s %[f11], %[f11], %[f5] \n\t"
"mul.s %[f12], %[f12], %[f0] \n\t"
"mul.s %[f5], %[f13], %[f3] \n\t"
"mul.s %[f0], %[f14], %[f1] \n\t"
"mul.s %[f13], %[f13], %[f1] \n\t"
"mul.s %[f14], %[f14], %[f3] \n\t"
"add.s %[f4], %[f4], %[f2] \n\t"
"sub.s %[f10], %[f10], %[f9] \n\t"
"sub.s %[f7], %[f7], %[f8] \n\t"
"add.s %[f11], %[f11], %[f12] \n\t"
"sub.s %[f2], %[f5], %[f0] \n\t"
"add.s %[f13], %[f13], %[f14] \n\t"
#endif
"swc1 %[f4], 48(%[a_ptr]) \n\t"
"swc1 %[f10], 52(%[a_ptr]) \n\t"
"swc1 %[f7], 40(%[a_ptr]) \n\t"
"swc1 %[f11], 44(%[a_ptr]) \n\t"
"swc1 %[f2], 56(%[a_ptr]) \n\t"
"swc1 %[f13], 60(%[a_ptr]) \n\t"
"addiu %[count], %[count], -1 \n\t"
"lwc1 %[f9], 8(%[p1_rdft]) \n\t"
"addiu %[a_ptr], %[a_ptr], 64 \n\t"
"addiu %[p1_rdft], %[p1_rdft], 8 \n\t"
"addiu %[p2_rdft], %[p2_rdft], 16 \n\t"
"addiu %[first], %[first], 8 \n\t"
"bgtz %[count], 1b \n\t"
" addiu %[second], %[second], 8 \n\t"
".set pop \n\t"
: [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), [f3] "=&f" (f3),
[f4] "=&f" (f4), [f5] "=&f" (f5), [f6] "=&f" (f6), [f7] "=&f" (f7),
[f8] "=&f" (f8), [f9] "=&f" (f9), [f10] "=&f" (f10), [f11] "=&f" (f11),
[f12] "=&f" (f12), [f13] "=&f" (f13), [f14] "=&f" (f14),
[a_ptr] "=&r" (a_ptr), [p1_rdft] "=&r" (p1_rdft), [first] "+r" (first),
[p2_rdft] "=&r" (p2_rdft), [count] "=&r" (count), [second] "+r" (second)
: [a] "r" (a), [rdft_w] "r" (rdft_w)
: "memory"
);
}
static void cftmdl_128_mips(float* a) {
float f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14;
int tmp_a, count;
__asm __volatile (
".set push \n\t"
".set noreorder \n\t"
"addiu %[tmp_a], %[a], 0 \n\t"
"addiu %[count], $zero, 4 \n\t"
"1: \n\t"
"addiu %[count], %[count], -1 \n\t"
"lwc1 %[f0], 0(%[tmp_a]) \n\t"
"lwc1 %[f2], 32(%[tmp_a]) \n\t"
"lwc1 %[f4], 64(%[tmp_a]) \n\t"
"lwc1 %[f6], 96(%[tmp_a]) \n\t"
"lwc1 %[f1], 4(%[tmp_a]) \n\t"
"lwc1 %[f3], 36(%[tmp_a]) \n\t"
"lwc1 %[f5], 68(%[tmp_a]) \n\t"
"lwc1 %[f7], 100(%[tmp_a]) \n\t"
"add.s %[f8], %[f0], %[f2] \n\t"
"sub.s %[f0], %[f0], %[f2] \n\t"
"add.s %[f2], %[f4], %[f6] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"add.s %[f6], %[f1], %[f3] \n\t"
"sub.s %[f1], %[f1], %[f3] \n\t"
"add.s %[f3], %[f5], %[f7] \n\t"
"sub.s %[f5], %[f5], %[f7] \n\t"
"add.s %[f7], %[f8], %[f2] \n\t"
"sub.s %[f8], %[f8], %[f2] \n\t"
"add.s %[f2], %[f1], %[f4] \n\t"
"sub.s %[f1], %[f1], %[f4] \n\t"
"add.s %[f4], %[f6], %[f3] \n\t"
"sub.s %[f6], %[f6], %[f3] \n\t"
"sub.s %[f3], %[f0], %[f5] \n\t"
"add.s %[f0], %[f0], %[f5] \n\t"
"swc1 %[f7], 0(%[tmp_a]) \n\t"
"swc1 %[f8], 64(%[tmp_a]) \n\t"
"swc1 %[f2], 36(%[tmp_a]) \n\t"
"swc1 %[f1], 100(%[tmp_a]) \n\t"
"swc1 %[f4], 4(%[tmp_a]) \n\t"
"swc1 %[f6], 68(%[tmp_a]) \n\t"
"swc1 %[f3], 32(%[tmp_a]) \n\t"
"swc1 %[f0], 96(%[tmp_a]) \n\t"
"bgtz %[count], 1b \n\t"
" addiu %[tmp_a], %[tmp_a], 8 \n\t"
".set pop \n\t"
: [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), [f3] "=&f" (f3),
[f4] "=&f" (f4), [f5] "=&f" (f5), [f6] "=&f" (f6), [f7] "=&f" (f7),
[f8] "=&f" (f8), [tmp_a] "=&r" (tmp_a), [count] "=&r" (count)
: [a] "r" (a)
: "memory"
);
f9 = rdft_w[2];
__asm __volatile (
".set push \n\t"
".set noreorder \n\t"
"addiu %[tmp_a], %[a], 128 \n\t"
"addiu %[count], $zero, 4 \n\t"
"1: \n\t"
"addiu %[count], %[count], -1 \n\t"
"lwc1 %[f0], 0(%[tmp_a]) \n\t"
"lwc1 %[f2], 32(%[tmp_a]) \n\t"
"lwc1 %[f5], 68(%[tmp_a]) \n\t"
"lwc1 %[f7], 100(%[tmp_a]) \n\t"
"lwc1 %[f1], 4(%[tmp_a]) \n\t"
"lwc1 %[f3], 36(%[tmp_a]) \n\t"
"lwc1 %[f4], 64(%[tmp_a]) \n\t"
"lwc1 %[f6], 96(%[tmp_a]) \n\t"
"sub.s %[f8], %[f0], %[f2] \n\t"
"add.s %[f0], %[f0], %[f2] \n\t"
"sub.s %[f2], %[f5], %[f7] \n\t"
"add.s %[f5], %[f5], %[f7] \n\t"
"sub.s %[f7], %[f1], %[f3] \n\t"
"add.s %[f1], %[f1], %[f3] \n\t"
"sub.s %[f3], %[f4], %[f6] \n\t"
"add.s %[f4], %[f4], %[f6] \n\t"
"sub.s %[f6], %[f8], %[f2] \n\t"
"add.s %[f8], %[f8], %[f2] \n\t"
"add.s %[f2], %[f5], %[f1] \n\t"
"sub.s %[f5], %[f5], %[f1] \n\t"
"add.s %[f1], %[f3], %[f7] \n\t"
"sub.s %[f3], %[f3], %[f7] \n\t"
"add.s %[f7], %[f0], %[f4] \n\t"
"sub.s %[f0], %[f0], %[f4] \n\t"
"sub.s %[f4], %[f6], %[f1] \n\t"
"add.s %[f6], %[f6], %[f1] \n\t"
"sub.s %[f1], %[f3], %[f8] \n\t"
"add.s %[f3], %[f3], %[f8] \n\t"
"mul.s %[f4], %[f4], %[f9] \n\t"
"mul.s %[f6], %[f6], %[f9] \n\t"
"mul.s %[f1], %[f1], %[f9] \n\t"
"mul.s %[f3], %[f3], %[f9] \n\t"
"swc1 %[f7], 0(%[tmp_a]) \n\t"
"swc1 %[f2], 4(%[tmp_a]) \n\t"
"swc1 %[f5], 64(%[tmp_a]) \n\t"
"swc1 %[f0], 68(%[tmp_a]) \n\t"
"swc1 %[f4], 32(%[tmp_a]) \n\t"
"swc1 %[f6], 36(%[tmp_a]) \n\t"
"swc1 %[f1], 96(%[tmp_a]) \n\t"
"swc1 %[f3], 100(%[tmp_a]) \n\t"
"bgtz %[count], 1b \n\t"
" addiu %[tmp_a], %[tmp_a], 8 \n\t"
".set pop \n\t"
: [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), [f3] "=&f" (f3),
[f4] "=&f" (f4), [f5] "=&f" (f5), [f6] "=&f" (f6), [f7] "=&f" (f7),
[f8] "=&f" (f8), [tmp_a] "=&r" (tmp_a), [count] "=&r" (count)
: [a] "r" (a), [f9] "f" (f9)
: "memory"
);
f10 = rdft_w[3];
f11 = rdft_w[4];
f12 = rdft_w[5];
f13 = rdft_wk3ri_first[2];
f14 = rdft_wk3ri_first[3];
__asm __volatile (
".set push \n\t"
".set noreorder \n\t"
"addiu %[tmp_a], %[a], 256 \n\t"
"addiu %[count], $zero, 4 \n\t"
"1: \n\t"
"addiu %[count], %[count], -1 \n\t"
"lwc1 %[f0], 0(%[tmp_a]) \n\t"
"lwc1 %[f2], 32(%[tmp_a]) \n\t"
"lwc1 %[f4], 64(%[tmp_a]) \n\t"
"lwc1 %[f6], 96(%[tmp_a]) \n\t"
"lwc1 %[f1], 4(%[tmp_a]) \n\t"
"lwc1 %[f3], 36(%[tmp_a]) \n\t"
"lwc1 %[f5], 68(%[tmp_a]) \n\t"
"lwc1 %[f7], 100(%[tmp_a]) \n\t"
"add.s %[f8], %[f0], %[f2] \n\t"
"sub.s %[f0], %[f0], %[f2] \n\t"
"add.s %[f2], %[f4], %[f6] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"add.s %[f6], %[f1], %[f3] \n\t"
"sub.s %[f1], %[f1], %[f3] \n\t"
"add.s %[f3], %[f5], %[f7] \n\t"
"sub.s %[f5], %[f5], %[f7] \n\t"
"sub.s %[f7], %[f8], %[f2] \n\t"
"add.s %[f8], %[f8], %[f2] \n\t"
"add.s %[f2], %[f1], %[f4] \n\t"
"sub.s %[f1], %[f1], %[f4] \n\t"
"sub.s %[f4], %[f6], %[f3] \n\t"
"add.s %[f6], %[f6], %[f3] \n\t"
"sub.s %[f3], %[f0], %[f5] \n\t"
"add.s %[f0], %[f0], %[f5] \n\t"
"swc1 %[f8], 0(%[tmp_a]) \n\t"
"swc1 %[f6], 4(%[tmp_a]) \n\t"
"mul.s %[f5], %[f9], %[f7] \n\t"
#if defined(MIPS32_R2_LE)
"mul.s %[f7], %[f10], %[f7] \n\t"
"mul.s %[f8], %[f11], %[f3] \n\t"
"mul.s %[f3], %[f12], %[f3] \n\t"
"mul.s %[f6], %[f13], %[f0] \n\t"
"mul.s %[f0], %[f14], %[f0] \n\t"
"nmsub.s %[f5], %[f5], %[f10], %[f4] \n\t"
"madd.s %[f7], %[f7], %[f9], %[f4] \n\t"
"nmsub.s %[f8], %[f8], %[f12], %[f2] \n\t"
"madd.s %[f3], %[f3], %[f11], %[f2] \n\t"
"nmsub.s %[f6], %[f6], %[f14], %[f1] \n\t"
"madd.s %[f0], %[f0], %[f13], %[f1] \n\t"
"swc1 %[f5], 64(%[tmp_a]) \n\t"
"swc1 %[f7], 68(%[tmp_a]) \n\t"
#else
"mul.s %[f8], %[f10], %[f4] \n\t"
"mul.s %[f4], %[f9], %[f4] \n\t"
"mul.s %[f7], %[f10], %[f7] \n\t"
"mul.s %[f6], %[f11], %[f3] \n\t"
"mul.s %[f3], %[f12], %[f3] \n\t"
"sub.s %[f5], %[f5], %[f8] \n\t"
"mul.s %[f8], %[f12], %[f2] \n\t"
"mul.s %[f2], %[f11], %[f2] \n\t"
"add.s %[f7], %[f4], %[f7] \n\t"
"mul.s %[f4], %[f13], %[f0] \n\t"
"mul.s %[f0], %[f14], %[f0] \n\t"
"sub.s %[f8], %[f6], %[f8] \n\t"
"mul.s %[f6], %[f14], %[f1] \n\t"
"mul.s %[f1], %[f13], %[f1] \n\t"
"add.s %[f3], %[f2], %[f3] \n\t"
"swc1 %[f5], 64(%[tmp_a]) \n\t"
"swc1 %[f7], 68(%[tmp_a]) \n\t"
"sub.s %[f6], %[f4], %[f6] \n\t"
"add.s %[f0], %[f1], %[f0] \n\t"
#endif
"swc1 %[f8], 32(%[tmp_a]) \n\t"
"swc1 %[f3], 36(%[tmp_a]) \n\t"
"swc1 %[f6], 96(%[tmp_a]) \n\t"
"swc1 %[f0], 100(%[tmp_a]) \n\t"
"bgtz %[count], 1b \n\t"
" addiu %[tmp_a], %[tmp_a], 8 \n\t"
".set pop \n\t"
: [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), [f3] "=&f" (f3),
[f4] "=&f" (f4), [f5] "=&f" (f5), [f6] "=&f" (f6), [f7] "=&f" (f7),
[f8] "=&f" (f8), [tmp_a] "=&r" (tmp_a), [count] "=&r" (count)
: [a] "r" (a), [f9] "f" (f9), [f10] "f" (f10), [f11] "f" (f11),
[f12] "f" (f12), [f13] "f" (f13), [f14] "f" (f14)
: "memory"
);
f11 = rdft_w[6];
f12 = rdft_w[7];
f13 = rdft_wk3ri_second[2];
f14 = rdft_wk3ri_second[3];
__asm __volatile (
".set push \n\t"
".set noreorder \n\t"
"addiu %[tmp_a], %[a], 384 \n\t"
"addiu %[count], $zero, 4 \n\t"
"1: \n\t"
"addiu %[count], %[count], -1 \n\t"
"lwc1 %[f0], 0(%[tmp_a]) \n\t"
"lwc1 %[f1], 4(%[tmp_a]) \n\t"
"lwc1 %[f2], 32(%[tmp_a]) \n\t"
"lwc1 %[f3], 36(%[tmp_a]) \n\t"
"lwc1 %[f4], 64(%[tmp_a]) \n\t"
"lwc1 %[f5], 68(%[tmp_a]) \n\t"
"lwc1 %[f6], 96(%[tmp_a]) \n\t"
"lwc1 %[f7], 100(%[tmp_a]) \n\t"
"add.s %[f8], %[f0], %[f2] \n\t"
"sub.s %[f0], %[f0], %[f2] \n\t"
"add.s %[f2], %[f4], %[f6] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"add.s %[f6], %[f1], %[f3] \n\t"
"sub.s %[f1], %[f1], %[f3] \n\t"
"add.s %[f3], %[f5], %[f7] \n\t"
"sub.s %[f5], %[f5], %[f7] \n\t"
"sub.s %[f7], %[f2], %[f8] \n\t"
"add.s %[f2], %[f2], %[f8] \n\t"
"add.s %[f8], %[f1], %[f4] \n\t"
"sub.s %[f1], %[f1], %[f4] \n\t"
"sub.s %[f4], %[f3], %[f6] \n\t"
"add.s %[f3], %[f3], %[f6] \n\t"
"sub.s %[f6], %[f0], %[f5] \n\t"
"add.s %[f0], %[f0], %[f5] \n\t"
"swc1 %[f2], 0(%[tmp_a]) \n\t"
"swc1 %[f3], 4(%[tmp_a]) \n\t"
"mul.s %[f5], %[f10], %[f7] \n\t"
#if defined(MIPS32_R2_LE)
"mul.s %[f7], %[f9], %[f7] \n\t"
"mul.s %[f2], %[f12], %[f8] \n\t"
"mul.s %[f8], %[f11], %[f8] \n\t"
"mul.s %[f3], %[f14], %[f1] \n\t"
"mul.s %[f1], %[f13], %[f1] \n\t"
"madd.s %[f5], %[f5], %[f9], %[f4] \n\t"
"msub.s %[f7], %[f7], %[f10], %[f4] \n\t"
"msub.s %[f2], %[f2], %[f11], %[f6] \n\t"
"madd.s %[f8], %[f8], %[f12], %[f6] \n\t"
"msub.s %[f3], %[f3], %[f13], %[f0] \n\t"
"madd.s %[f1], %[f1], %[f14], %[f0] \n\t"
"swc1 %[f5], 64(%[tmp_a]) \n\t"
"swc1 %[f7], 68(%[tmp_a]) \n\t"
#else
"mul.s %[f2], %[f9], %[f4] \n\t"
"mul.s %[f4], %[f10], %[f4] \n\t"
"mul.s %[f7], %[f9], %[f7] \n\t"
"mul.s %[f3], %[f11], %[f6] \n\t"
"mul.s %[f6], %[f12], %[f6] \n\t"
"add.s %[f5], %[f5], %[f2] \n\t"
"sub.s %[f7], %[f4], %[f7] \n\t"
"mul.s %[f2], %[f12], %[f8] \n\t"
"mul.s %[f8], %[f11], %[f8] \n\t"
"mul.s %[f4], %[f14], %[f1] \n\t"
"mul.s %[f1], %[f13], %[f1] \n\t"
"sub.s %[f2], %[f3], %[f2] \n\t"
"mul.s %[f3], %[f13], %[f0] \n\t"
"mul.s %[f0], %[f14], %[f0] \n\t"
"add.s %[f8], %[f8], %[f6] \n\t"
"swc1 %[f5], 64(%[tmp_a]) \n\t"
"swc1 %[f7], 68(%[tmp_a]) \n\t"
"sub.s %[f3], %[f3], %[f4] \n\t"
"add.s %[f1], %[f1], %[f0] \n\t"
#endif
"swc1 %[f2], 32(%[tmp_a]) \n\t"
"swc1 %[f8], 36(%[tmp_a]) \n\t"
"swc1 %[f3], 96(%[tmp_a]) \n\t"
"swc1 %[f1], 100(%[tmp_a]) \n\t"
"bgtz %[count], 1b \n\t"
" addiu %[tmp_a], %[tmp_a], 8 \n\t"
".set pop \n\t"
: [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), [f3] "=&f" (f3),
[f4] "=&f" (f4), [f5] "=&f" (f5), [f6] "=&f" (f6), [f7] "=&f" (f7),
[f8] "=&f" (f8), [tmp_a] "=&r" (tmp_a), [count] "=&r" (count)
: [a] "r" (a), [f9] "f" (f9), [f10] "f" (f10), [f11] "f" (f11),
[f12] "f" (f12), [f13] "f" (f13), [f14] "f" (f14)
: "memory"
);
}
static void cftfsub_128_mips(float* a) {
float f0, f1, f2, f3, f4, f5, f6, f7, f8;
int tmp_a, count;
cft1st_128(a);
cftmdl_128(a);
__asm __volatile (
".set push \n\t"
".set noreorder \n\t"
"addiu %[tmp_a], %[a], 0 \n\t"
"addiu %[count], $zero, 16 \n\t"
"1: \n\t"
"addiu %[count], %[count], -1 \n\t"
"lwc1 %[f0], 0(%[tmp_a]) \n\t"
"lwc1 %[f2], 128(%[tmp_a]) \n\t"
"lwc1 %[f4], 256(%[tmp_a]) \n\t"
"lwc1 %[f6], 384(%[tmp_a]) \n\t"
"lwc1 %[f1], 4(%[tmp_a]) \n\t"
"lwc1 %[f3], 132(%[tmp_a]) \n\t"
"lwc1 %[f5], 260(%[tmp_a]) \n\t"
"lwc1 %[f7], 388(%[tmp_a]) \n\t"
"add.s %[f8], %[f0], %[f2] \n\t"
"sub.s %[f0], %[f0], %[f2] \n\t"
"add.s %[f2], %[f4], %[f6] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"add.s %[f6], %[f1], %[f3] \n\t"
"sub.s %[f1], %[f1], %[f3] \n\t"
"add.s %[f3], %[f5], %[f7] \n\t"
"sub.s %[f5], %[f5], %[f7] \n\t"
"add.s %[f7], %[f8], %[f2] \n\t"
"sub.s %[f8], %[f8], %[f2] \n\t"
"add.s %[f2], %[f1], %[f4] \n\t"
"sub.s %[f1], %[f1], %[f4] \n\t"
"add.s %[f4], %[f6], %[f3] \n\t"
"sub.s %[f6], %[f6], %[f3] \n\t"
"sub.s %[f3], %[f0], %[f5] \n\t"
"add.s %[f0], %[f0], %[f5] \n\t"
"swc1 %[f7], 0(%[tmp_a]) \n\t"
"swc1 %[f8], 256(%[tmp_a]) \n\t"
"swc1 %[f2], 132(%[tmp_a]) \n\t"
"swc1 %[f1], 388(%[tmp_a]) \n\t"
"swc1 %[f4], 4(%[tmp_a]) \n\t"
"swc1 %[f6], 260(%[tmp_a]) \n\t"
"swc1 %[f3], 128(%[tmp_a]) \n\t"
"swc1 %[f0], 384(%[tmp_a]) \n\t"
"bgtz %[count], 1b \n\t"
" addiu %[tmp_a], %[tmp_a], 8 \n\t"
".set pop \n\t"
: [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), [f3] "=&f" (f3),
[f4] "=&f" (f4), [f5] "=&f" (f5), [f6] "=&f" (f6), [f7] "=&f" (f7),
[f8] "=&f" (f8), [tmp_a] "=&r" (tmp_a),
[count] "=&r" (count)
: [a] "r" (a)
: "memory"
);
}
static void cftbsub_128_mips(float* a) {
float f0, f1, f2, f3, f4, f5, f6, f7, f8;
int tmp_a, count;
cft1st_128(a);
cftmdl_128(a);
__asm __volatile (
".set push \n\t"
".set noreorder \n\t"
"addiu %[tmp_a], %[a], 0 \n\t"
"addiu %[count], $zero, 16 \n\t"
"1: \n\t"
"addiu %[count], %[count], -1 \n\t"
"lwc1 %[f0], 0(%[tmp_a]) \n\t"
"lwc1 %[f2], 128(%[tmp_a]) \n\t"
"lwc1 %[f4], 256(%[tmp_a]) \n\t"
"lwc1 %[f6], 384(%[tmp_a]) \n\t"
"lwc1 %[f1], 4(%[tmp_a]) \n\t"
"lwc1 %[f3], 132(%[tmp_a]) \n\t"
"lwc1 %[f5], 260(%[tmp_a]) \n\t"
"lwc1 %[f7], 388(%[tmp_a]) \n\t"
"add.s %[f8], %[f0], %[f2] \n\t"
"sub.s %[f0], %[f0], %[f2] \n\t"
"add.s %[f2], %[f4], %[f6] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"add.s %[f6], %[f1], %[f3] \n\t"
"sub.s %[f1], %[f3], %[f1] \n\t"
"add.s %[f3], %[f5], %[f7] \n\t"
"sub.s %[f5], %[f5], %[f7] \n\t"
"add.s %[f7], %[f8], %[f2] \n\t"
"sub.s %[f8], %[f8], %[f2] \n\t"
"sub.s %[f2], %[f1], %[f4] \n\t"
"add.s %[f1], %[f1], %[f4] \n\t"
"add.s %[f4], %[f3], %[f6] \n\t"
"sub.s %[f6], %[f3], %[f6] \n\t"
"sub.s %[f3], %[f0], %[f5] \n\t"
"add.s %[f0], %[f0], %[f5] \n\t"
"neg.s %[f4], %[f4] \n\t"
"swc1 %[f7], 0(%[tmp_a]) \n\t"
"swc1 %[f8], 256(%[tmp_a]) \n\t"
"swc1 %[f2], 132(%[tmp_a]) \n\t"
"swc1 %[f1], 388(%[tmp_a]) \n\t"
"swc1 %[f6], 260(%[tmp_a]) \n\t"
"swc1 %[f3], 128(%[tmp_a]) \n\t"
"swc1 %[f0], 384(%[tmp_a]) \n\t"
"swc1 %[f4], 4(%[tmp_a]) \n\t"
"bgtz %[count], 1b \n\t"
" addiu %[tmp_a], %[tmp_a], 8 \n\t"
".set pop \n\t"
: [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), [f3] "=&f" (f3),
[f4] "=&f" (f4), [f5] "=&f" (f5), [f6] "=&f" (f6), [f7] "=&f" (f7),
[f8] "=&f" (f8), [tmp_a] "=&r" (tmp_a), [count] "=&r" (count)
: [a] "r" (a)
: "memory"
);
}
static void rftfsub_128_mips(float* a) {
const float* c = rdft_w + 32;
const float f0 = 0.5f;
float* a1 = &a[2];
float* a2 = &a[126];
const float* c1 = &c[1];
const float* c2 = &c[31];
float f1, f2, f3 ,f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15;
int count;
__asm __volatile (
".set push \n\t"
".set noreorder \n\t"
"lwc1 %[f6], 0(%[c2]) \n\t"
"lwc1 %[f1], 0(%[a1]) \n\t"
"lwc1 %[f2], 0(%[a2]) \n\t"
"lwc1 %[f3], 4(%[a1]) \n\t"
"lwc1 %[f4], 4(%[a2]) \n\t"
"lwc1 %[f5], 0(%[c1]) \n\t"
"sub.s %[f6], %[f0], %[f6] \n\t"
"sub.s %[f7], %[f1], %[f2] \n\t"
"add.s %[f8], %[f3], %[f4] \n\t"
"addiu %[count], $zero, 15 \n\t"
"mul.s %[f9], %[f6], %[f7] \n\t"
"mul.s %[f6], %[f6], %[f8] \n\t"
#if !defined(MIPS32_R2_LE)
"mul.s %[f8], %[f5], %[f8] \n\t"
"mul.s %[f5], %[f5], %[f7] \n\t"
"sub.s %[f9], %[f9], %[f8] \n\t"
"add.s %[f6], %[f6], %[f5] \n\t"
#else
"nmsub.s %[f9], %[f9], %[f5], %[f8] \n\t"
"madd.s %[f6], %[f6], %[f5], %[f7] \n\t"
#endif
"sub.s %[f1], %[f1], %[f9] \n\t"
"add.s %[f2], %[f2], %[f9] \n\t"
"sub.s %[f3], %[f3], %[f6] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"swc1 %[f1], 0(%[a1]) \n\t"
"swc1 %[f2], 0(%[a2]) \n\t"
"swc1 %[f3], 4(%[a1]) \n\t"
"swc1 %[f4], 4(%[a2]) \n\t"
"addiu %[a1], %[a1], 8 \n\t"
"addiu %[a2], %[a2], -8 \n\t"
"addiu %[c1], %[c1], 4 \n\t"
"addiu %[c2], %[c2], -4 \n\t"
"1: \n\t"
"lwc1 %[f6], 0(%[c2]) \n\t"
"lwc1 %[f1], 0(%[a1]) \n\t"
"lwc1 %[f2], 0(%[a2]) \n\t"
"lwc1 %[f3], 4(%[a1]) \n\t"
"lwc1 %[f4], 4(%[a2]) \n\t"
"lwc1 %[f5], 0(%[c1]) \n\t"
"sub.s %[f6], %[f0], %[f6] \n\t"
"sub.s %[f7], %[f1], %[f2] \n\t"
"add.s %[f8], %[f3], %[f4] \n\t"
"lwc1 %[f10], -4(%[c2]) \n\t"
"lwc1 %[f11], 8(%[a1]) \n\t"
"lwc1 %[f12], -8(%[a2]) \n\t"
"mul.s %[f9], %[f6], %[f7] \n\t"
"mul.s %[f6], %[f6], %[f8] \n\t"
#if !defined(MIPS32_R2_LE)
"mul.s %[f8], %[f5], %[f8] \n\t"
"mul.s %[f5], %[f5], %[f7] \n\t"
"lwc1 %[f13], 12(%[a1]) \n\t"
"lwc1 %[f14], -4(%[a2]) \n\t"
"lwc1 %[f15], 4(%[c1]) \n\t"
"sub.s %[f9], %[f9], %[f8] \n\t"
"add.s %[f6], %[f6], %[f5] \n\t"
#else
"lwc1 %[f13], 12(%[a1]) \n\t"
"lwc1 %[f14], -4(%[a2]) \n\t"
"lwc1 %[f15], 4(%[c1]) \n\t"
"nmsub.s %[f9], %[f9], %[f5], %[f8] \n\t"
"madd.s %[f6], %[f6], %[f5], %[f7] \n\t"
#endif
"sub.s %[f10], %[f0], %[f10] \n\t"
"sub.s %[f5], %[f11], %[f12] \n\t"
"add.s %[f7], %[f13], %[f14] \n\t"
"sub.s %[f1], %[f1], %[f9] \n\t"
"add.s %[f2], %[f2], %[f9] \n\t"
"sub.s %[f3], %[f3], %[f6] \n\t"
"mul.s %[f8], %[f10], %[f5] \n\t"
"mul.s %[f10], %[f10], %[f7] \n\t"
#if !defined(MIPS32_R2_LE)
"mul.s %[f9], %[f15], %[f7] \n\t"
"mul.s %[f15], %[f15], %[f5] \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"swc1 %[f1], 0(%[a1]) \n\t"
"swc1 %[f2], 0(%[a2]) \n\t"
"sub.s %[f8], %[f8], %[f9] \n\t"
"add.s %[f10], %[f10], %[f15] \n\t"
#else
"swc1 %[f1], 0(%[a1]) \n\t"
"swc1 %[f2], 0(%[a2]) \n\t"
"sub.s %[f4], %[f4], %[f6] \n\t"
"nmsub.s %[f8], %[f8], %[f15], %[f7] \n\t"
"madd.s %[f10], %[f10], %[f15], %[f5] \n\t"
#endif
"swc1 %[f3], 4(%[a1]) \n\t"
"swc1 %[f4], 4(%[a2]) \n\t"
"sub.s %[f11], %[f11], %[f8] \n\t"
"add.s %[f12], %[f12], %[f8] \n\t"
"sub.s %[f13], %[f13], %[f10] \n\t"
"sub.s %[f14], %[f14], %[f10] \n\t"
"addiu %[c2], %[c2], -8 \n\t"
"addiu %[c1], %[c1], 8 \n\t"
"swc1 %[f11], 8(%[a1]) \n\t"
"swc1 %[f12], -8(%[a2]) \n\t"
"swc1 %[f13], 12(%[a1]) \n\t"
"swc1 %[f14], -4(%[a2]) \n\t"
"addiu %[a1], %[a1], 16 \n\t"
"addiu %[count], %[count], -1 \n\t"
"bgtz %[count], 1b \n\t"
" addiu %[a2], %[a2], -16 \n\t"
".set pop \n\t"
: [a1] "+r" (a1), [a2] "+r" (a2), [c1] "+r" (c1), [c2] "+r" (c2),
[f1] "=&f" (f1), [f2] "=&f" (f2), [f3] "=&f" (f3), [f4] "=&f" (f4),
[f5] "=&f" (f5), [f6] "=&f" (f6), [f7] "=&f" (f7), [f8] "=&f" (f8),
[f9] "=&f" (f9), [f10] "=&f" (f10), [f11] "=&f" (f11), [f12] "=&f" (f12),
[f13] "=&f" (f13), [f14] "=&f" (f14), [f15] "=&f" (f15),
[count] "=&r" (count)
: [f0] "f" (f0)
: "memory"
);
}
static void rftbsub_128_mips(float* a) {
const float *c = rdft_w + 32;
const float f0 = 0.5f;
float* a1 = &a[2];
float* a2 = &a[126];
const float* c1 = &c[1];
const float* c2 = &c[31];
float f1, f2, f3 ,f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15;
int count;
a[1] = -a[1];
a[65] = -a[65];
__asm __volatile (
".set push \n\t"
".set noreorder \n\t"
"lwc1 %[f6], 0(%[c2]) \n\t"
"lwc1 %[f1], 0(%[a1]) \n\t"
"lwc1 %[f2], 0(%[a2]) \n\t"
"lwc1 %[f3], 4(%[a1]) \n\t"
"lwc1 %[f4], 4(%[a2]) \n\t"
"lwc1 %[f5], 0(%[c1]) \n\t"
"sub.s %[f6], %[f0], %[f6] \n\t"
"sub.s %[f7], %[f1], %[f2] \n\t"
"add.s %[f8], %[f3], %[f4] \n\t"
"addiu %[count], $zero, 15 \n\t"
"mul.s %[f9], %[f6], %[f7] \n\t"
"mul.s %[f6], %[f6], %[f8] \n\t"
#if !defined(MIPS32_R2_LE)
"mul.s %[f8], %[f5], %[f8] \n\t"
"mul.s %[f5], %[f5], %[f7] \n\t"
"add.s %[f9], %[f9], %[f8] \n\t"
"sub.s %[f6], %[f6], %[f5] \n\t"
#else
"madd.s %[f9], %[f9], %[f5], %[f8] \n\t"
"nmsub.s %[f6], %[f6], %[f5], %[f7] \n\t"
#endif
"sub.s %[f1], %[f1], %[f9] \n\t"
"add.s %[f2], %[f2], %[f9] \n\t"
"sub.s %[f3], %[f6], %[f3] \n\t"
"sub.s %[f4], %[f6], %[f4] \n\t"
"swc1 %[f1], 0(%[a1]) \n\t"
"swc1 %[f2], 0(%[a2]) \n\t"
"swc1 %[f3], 4(%[a1]) \n\t"
"swc1 %[f4], 4(%[a2]) \n\t"
"addiu %[a1], %[a1], 8 \n\t"
"addiu %[a2], %[a2], -8 \n\t"
"addiu %[c1], %[c1], 4 \n\t"
"addiu %[c2], %[c2], -4 \n\t"
"1: \n\t"
"lwc1 %[f6], 0(%[c2]) \n\t"
"lwc1 %[f1], 0(%[a1]) \n\t"
"lwc1 %[f2], 0(%[a2]) \n\t"
"lwc1 %[f3], 4(%[a1]) \n\t"
"lwc1 %[f4], 4(%[a2]) \n\t"
"lwc1 %[f5], 0(%[c1]) \n\t"
"sub.s %[f6], %[f0], %[f6] \n\t"
"sub.s %[f7], %[f1], %[f2] \n\t"
"add.s %[f8], %[f3], %[f4] \n\t"
"lwc1 %[f10], -4(%[c2]) \n\t"
"lwc1 %[f11], 8(%[a1]) \n\t"
"lwc1 %[f12], -8(%[a2]) \n\t"
"mul.s %[f9], %[f6], %[f7] \n\t"
"mul.s %[f6], %[f6], %[f8] \n\t"
#if !defined(MIPS32_R2_LE)
"mul.s %[f8], %[f5], %[f8] \n\t"
"mul.s %[f5], %[f5], %[f7] \n\t"
"lwc1 %[f13], 12(%[a1]) \n\t"
"lwc1 %[f14], -4(%[a2]) \n\t"
"lwc1 %[f15], 4(%[c1]) \n\t"
"add.s %[f9], %[f9], %[f8] \n\t"
"sub.s %[f6], %[f6], %[f5] \n\t"
#else
"lwc1 %[f13], 12(%[a1]) \n\t"
"lwc1 %[f14], -4(%[a2]) \n\t"
"lwc1 %[f15], 4(%[c1]) \n\t"
"madd.s %[f9], %[f9], %[f5], %[f8] \n\t"
"nmsub.s %[f6], %[f6], %[f5], %[f7] \n\t"
#endif
"sub.s %[f10], %[f0], %[f10] \n\t"
"sub.s %[f5], %[f11], %[f12] \n\t"
"add.s %[f7], %[f13], %[f14] \n\t"
"sub.s %[f1], %[f1], %[f9] \n\t"
"add.s %[f2], %[f2], %[f9] \n\t"
"sub.s %[f3], %[f6], %[f3] \n\t"
"mul.s %[f8], %[f10], %[f5] \n\t"
"mul.s %[f10], %[f10], %[f7] \n\t"
#if !defined(MIPS32_R2_LE)
"mul.s %[f9], %[f15], %[f7] \n\t"
"mul.s %[f15], %[f15], %[f5] \n\t"
"sub.s %[f4], %[f6], %[f4] \n\t"
"swc1 %[f1], 0(%[a1]) \n\t"
"swc1 %[f2], 0(%[a2]) \n\t"
"add.s %[f8], %[f8], %[f9] \n\t"
"sub.s %[f10], %[f10], %[f15] \n\t"
#else
"swc1 %[f1], 0(%[a1]) \n\t"
"swc1 %[f2], 0(%[a2]) \n\t"
"sub.s %[f4], %[f6], %[f4] \n\t"
"madd.s %[f8], %[f8], %[f15], %[f7] \n\t"
"nmsub.s %[f10], %[f10], %[f15], %[f5] \n\t"
#endif
"swc1 %[f3], 4(%[a1]) \n\t"
"swc1 %[f4], 4(%[a2]) \n\t"
"sub.s %[f11], %[f11], %[f8] \n\t"
"add.s %[f12], %[f12], %[f8] \n\t"
"sub.s %[f13], %[f10], %[f13] \n\t"
"sub.s %[f14], %[f10], %[f14] \n\t"
"addiu %[c2], %[c2], -8 \n\t"
"addiu %[c1], %[c1], 8 \n\t"
"swc1 %[f11], 8(%[a1]) \n\t"
"swc1 %[f12], -8(%[a2]) \n\t"
"swc1 %[f13], 12(%[a1]) \n\t"
"swc1 %[f14], -4(%[a2]) \n\t"
"addiu %[a1], %[a1], 16 \n\t"
"addiu %[count], %[count], -1 \n\t"
"bgtz %[count], 1b \n\t"
" addiu %[a2], %[a2], -16 \n\t"
".set pop \n\t"
: [a1] "+r" (a1), [a2] "+r" (a2), [c1] "+r" (c1), [c2] "+r" (c2),
[f1] "=&f" (f1), [f2] "=&f" (f2), [f3] "=&f" (f3), [f4] "=&f" (f4),
[f5] "=&f" (f5), [f6] "=&f" (f6), [f7] "=&f" (f7), [f8] "=&f" (f8),
[f9] "=&f" (f9), [f10] "=&f" (f10), [f11] "=&f" (f11), [f12] "=&f" (f12),
[f13] "=&f" (f13), [f14] "=&f" (f14), [f15] "=&f" (f15),
[count] "=&r" (count)
: [f0] "f" (f0)
: "memory"
);
}
void aec_rdft_init_mips(void) {
cft1st_128 = cft1st_128_mips;
cftmdl_128 = cftmdl_128_mips;
rftfsub_128 = rftfsub_128_mips;
rftbsub_128 = rftbsub_128_mips;
cftfsub_128 = cftfsub_128_mips;
cftbsub_128 = cftbsub_128_mips;
bitrv2_128 = bitrv2_128_mips;
}
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