armv7: Optimize fixed point FFT using NE10 library

Uses NEON optimized fixed point FFT routines in NE10 library.

Signed-off-by: Timothy B. Terriberry <tterribe@xiph.org>

15 files changed, 587 insertions, 114 deletions

diff --git a/celt/arm/arm_celt_map.c b/celt/arm/arm_celt_map.c
index 4c2d28ce..b5bd44dc 100644
--- a/celt/arm/arm_celt_map.c
+++ b/celt/arm/arm_celt_map.c
@@ -52,23 +52,26 @@ void (*const CELT_PITCH_XCORR_IMPL[OPUS_ARCHMASK+1])(const opus_val16 *,
   celt_pitch_xcorr_c,              /* Media */
   celt_pitch_xcorr_float_neon      /* Neon */
 };
+#  endif
+# endif /* FIXED_POINT */
 
-#   if defined(HAVE_ARM_NE10)
-#    if defined(CUSTOM_MODES)
+# if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
+#  if defined(HAVE_ARM_NE10)
+#   if defined(CUSTOM_MODES)
 int (*const OPUS_FFT_ALLOC_ARCH_IMPL[OPUS_ARCHMASK+1])(kiss_fft_state *st) = {
    opus_fft_alloc_arch_c,        /* ARMv4 */
    opus_fft_alloc_arch_c,        /* EDSP */
    opus_fft_alloc_arch_c,        /* Media */
-   opus_fft_alloc_arm_float_neon /* Neon with NE10 library support */
+   opus_fft_alloc_arm_neon       /* Neon with NE10 library support */
 };
 
 void (*const OPUS_FFT_FREE_ARCH_IMPL[OPUS_ARCHMASK+1])(kiss_fft_state *st) = {
    opus_fft_free_arch_c,         /* ARMv4 */
    opus_fft_free_arch_c,         /* EDSP */
    opus_fft_free_arch_c,         /* Media */
-   opus_fft_free_arm_float_neon  /* Neon with NE10 */
+   opus_fft_free_arm_neon        /* Neon with NE10 */
 };
-#    endif /* CUSTOM_MODES */
+#   endif /* CUSTOM_MODES */
 
 void (*const OPUS_FFT[OPUS_ARCHMASK+1])(const kiss_fft_state *cfg,
                                         const kiss_fft_cpx *fin,
@@ -76,7 +79,7 @@ void (*const OPUS_FFT[OPUS_ARCHMASK+1])(const kiss_fft_state *cfg,
    opus_fft_c,                   /* ARMv4 */
    opus_fft_c,                   /* EDSP */
    opus_fft_c,                   /* Media */
-   opus_fft_float_neon           /* Neon with NE10 */
+   opus_fft_neon                 /* Neon with NE10 */
 };
 
 void (*const OPUS_IFFT[OPUS_ARCHMASK+1])(const kiss_fft_state *cfg,
@@ -85,9 +88,10 @@ void (*const OPUS_IFFT[OPUS_ARCHMASK+1])(const kiss_fft_state *cfg,
    opus_ifft_c,                   /* ARMv4 */
    opus_ifft_c,                   /* EDSP */
    opus_ifft_c,                   /* Media */
-   opus_ifft_float_neon           /* Neon with NE10 */
+   opus_ifft_neon                 /* Neon with NE10 */
 };
 
+#   if !defined(FIXED_POINT)
 void (*const CLT_MDCT_FORWARD_IMPL[OPUS_ARCHMASK+1])(const mdct_lookup *l,
                                                      kiss_fft_scalar *in,
                                                      kiss_fft_scalar * OPUS_RESTRICT out,
@@ -112,8 +116,8 @@ void (*const CLT_MDCT_BACKWARD_IMPL[OPUS_ARCHMASK+1])(const mdct_lookup *l,
    clt_mdct_backward_float_neon   /* Neon with NE10 */
 };
 
-#   endif /* HAVE_ARM_NE10 */
-#  endif /* OPUS_ARM_MAY_HAVE_NEON_INTR */
-# endif /* FIXED_POINT */
+#   endif /* !FIXED_POINT */
+#  endif /* HAVE_ARM_NE10 */
+# endif /* OPUS_ARM_MAY_HAVE_NEON_INTR */
 
 #endif /* OPUS_HAVE_RTCD */
diff --git a/celt/arm/celt_ne10_fft.c b/celt/arm/celt_ne10_fft.c
index 2ba8c559..42d96a71 100644
--- a/celt/arm/celt_ne10_fft.c
+++ b/celt/arm/celt_ne10_fft.c
@@ -43,15 +43,31 @@
 #include "stack_alloc.h"
 
 #if !defined(FIXED_POINT)
-# if defined(CUSTOM_MODES)
+# define NE10_FFT_ALLOC_C2C_TYPE_NEON ne10_fft_alloc_c2c_float32_neon
+# define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_float32_t
+# define NE10_FFT_STATE_TYPE_T ne10_fft_state_float32_t
+# define NE10_FFT_DESTROY_C2C_TYPE ne10_fft_destroy_c2c_float32
+# define NE10_FFT_CPX_TYPE_T ne10_fft_cpx_float32_t
+# define NE10_FFT_C2C_1D_TYPE_NEON ne10_fft_c2c_1d_float32_neon
+#else
+# define NE10_FFT_ALLOC_C2C_TYPE_NEON(nfft) ne10_fft_alloc_c2c_int32_neon(nfft)
+# define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_int32_t
+# define NE10_FFT_STATE_TYPE_T ne10_fft_state_int32_t
+# define NE10_FFT_DESTROY_C2C_TYPE ne10_fft_destroy_c2c_int32
+# define NE10_FFT_DESTROY_C2C_TYPE ne10_fft_destroy_c2c_int32
+# define NE10_FFT_CPX_TYPE_T ne10_fft_cpx_int32_t
+# define NE10_FFT_C2C_1D_TYPE_NEON ne10_fft_c2c_1d_int32_neon
+#endif
+
+#if defined(CUSTOM_MODES)
 
 /* nfft lengths in NE10 that support scaled fft */
-#define NE10_FFTSCALED_SUPPORT_MAX 4
+# define NE10_FFTSCALED_SUPPORT_MAX 4
 static const int ne10_fft_scaled_support[NE10_FFTSCALED_SUPPORT_MAX] = {
    480, 240, 120, 60
 };
 
-int opus_fft_alloc_arm_float_neon(kiss_fft_state *st)
+int opus_fft_alloc_arm_neon(kiss_fft_state *st)
 {
    int i;
    size_t memneeded = sizeof(struct arch_fft_state);
@@ -71,7 +87,7 @@ int opus_fft_alloc_arm_float_neon(kiss_fft_state *st)
    }
    else {
       st->arch_fft->is_supported = 1;
-      st->arch_fft->priv = (void *)ne10_fft_alloc_c2c_float32_neon(st->nfft);
+      st->arch_fft->priv = (void *)NE10_FFT_ALLOC_C2C_TYPE_NEON(st->nfft);
       if (st->arch_fft->priv == NULL) {
          return -1;
       }
@@ -79,69 +95,80 @@ int opus_fft_alloc_arm_float_neon(kiss_fft_state *st)
    return 0;
 }
 
-void opus_fft_free_arm_float_neon(kiss_fft_state *st)
+void opus_fft_free_arm_neon(kiss_fft_state *st)
 {
-   ne10_fft_cfg_float32_t cfg;
+   NE10_FFT_CFG_TYPE_T cfg;
 
    if (!st->arch_fft)
       return;
 
-   cfg = (ne10_fft_cfg_float32_t)st->arch_fft->priv;
+   cfg = (NE10_FFT_CFG_TYPE_T)st->arch_fft->priv;
    if (cfg)
-      ne10_fft_destroy_c2c_float32(cfg);
+      NE10_FFT_DESTROY_C2C_TYPE(cfg);
    opus_free(st->arch_fft);
 }
-# endif
+#endif
 
-void opus_fft_float_neon(const kiss_fft_state *st,
-                         const kiss_fft_cpx *fin,
-                         kiss_fft_cpx *fout)
+void opus_fft_neon(const kiss_fft_state *st,
+                   const kiss_fft_cpx *fin,
+                   kiss_fft_cpx *fout)
 {
-   ne10_fft_state_float32_t state;
-   ne10_fft_cfg_float32_t cfg = &state;
-   VARDECL(ne10_fft_cpx_float32_t, buffer);
+   NE10_FFT_STATE_TYPE_T state;
+   NE10_FFT_CFG_TYPE_T cfg = &state;
+   VARDECL(NE10_FFT_CPX_TYPE_T, buffer);
    SAVE_STACK;
-   ALLOC(buffer, st->nfft, ne10_fft_cpx_float32_t);
+   ALLOC(buffer, st->nfft, NE10_FFT_CPX_TYPE_T);
 
    if (!st->arch_fft->is_supported) {
       /* This nfft length (scaled fft) not supported in NE10 */
       opus_fft_c(st, fin, fout);
    }
    else {
-      memcpy((void *)cfg, st->arch_fft->priv, sizeof(ne10_fft_state_float32_t));
-      state.buffer = (ne10_fft_cpx_float32_t *)&buffer[0];
+      memcpy((void *)cfg, st->arch_fft->priv, sizeof(NE10_FFT_STATE_TYPE_T));
+      state.buffer = (NE10_FFT_CPX_TYPE_T *)&buffer[0];
+#if !defined(FIXED_POINT)
       state.is_forward_scaled = 1;
 
-      ne10_fft_c2c_1d_float32_neon((ne10_fft_cpx_float32_t *)fout,
-                                   (ne10_fft_cpx_float32_t *)fin,
-                                   cfg, 0);
+      NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout,
+                                (NE10_FFT_CPX_TYPE_T *)fin,
+                                cfg, 0);
+#else
+      NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout,
+                                (NE10_FFT_CPX_TYPE_T *)fin,
+                                cfg, 0, 1);
+#endif
    }
    RESTORE_STACK;
 }
 
-void opus_ifft_float_neon(const kiss_fft_state *st,
-                          const kiss_fft_cpx *fin,
-                          kiss_fft_cpx *fout)
+void opus_ifft_neon(const kiss_fft_state *st,
+                    const kiss_fft_cpx *fin,
+                    kiss_fft_cpx *fout)
 {
-   ne10_fft_state_float32_t state;
-   ne10_fft_cfg_float32_t cfg = &state;
-   VARDECL(ne10_fft_cpx_float32_t, buffer);
+   NE10_FFT_STATE_TYPE_T state;
+   NE10_FFT_CFG_TYPE_T cfg = &state;
+   VARDECL(NE10_FFT_CPX_TYPE_T, buffer);
    SAVE_STACK;
-   ALLOC(buffer, st->nfft, ne10_fft_cpx_float32_t);
+   ALLOC(buffer, st->nfft, NE10_FFT_CPX_TYPE_T);
 
    if (!st->arch_fft->is_supported) {
       /* This nfft length (scaled fft) not supported in NE10 */
       opus_ifft_c(st, fin, fout);
    }
    else {
-      memcpy((void *)cfg, st->arch_fft->priv, sizeof(ne10_fft_state_float32_t));
-      state.buffer = (ne10_fft_cpx_float32_t *)&buffer[0];
+      memcpy((void *)cfg, st->arch_fft->priv, sizeof(NE10_FFT_STATE_TYPE_T));
+      state.buffer = (NE10_FFT_CPX_TYPE_T *)&buffer[0];
+#if !defined(FIXED_POINT)
       state.is_backward_scaled = 0;
 
-      ne10_fft_c2c_1d_float32_neon((ne10_fft_cpx_float32_t *)fout,
-                                   (ne10_fft_cpx_float32_t *)fin,
-                                   cfg, 1);
+      NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout,
+                                (NE10_FFT_CPX_TYPE_T *)fin,
+                                cfg, 1);
+#else
+      NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout,
+                                (NE10_FFT_CPX_TYPE_T *)fin,
+                                cfg, 1, 0);
+#endif
    }
    RESTORE_STACK;
 }
-#endif /* !defined(FIXED_POINT) */
diff --git a/celt/arm/fft_arm.h b/celt/arm/fft_arm.h
index e57b0aa6..0cb55d8e 100644
--- a/celt/arm/fft_arm.h
+++ b/celt/arm/fft_arm.h
@@ -37,38 +37,36 @@
 #include "config.h"
 #include "kiss_fft.h"
 
-#if !defined(FIXED_POINT)
 #if defined(HAVE_ARM_NE10)
 
-int opus_fft_alloc_arm_float_neon(kiss_fft_state *st);
-void opus_fft_free_arm_float_neon(kiss_fft_state *st);
+int opus_fft_alloc_arm_neon(kiss_fft_state *st);
+void opus_fft_free_arm_neon(kiss_fft_state *st);
 
-void opus_fft_float_neon(const kiss_fft_state *st,
-                         const kiss_fft_cpx *fin,
-                         kiss_fft_cpx *fout);
+void opus_fft_neon(const kiss_fft_state *st,
+                   const kiss_fft_cpx *fin,
+                   kiss_fft_cpx *fout);
 
-void opus_ifft_float_neon(const kiss_fft_state *st,
-                         const kiss_fft_cpx *fin,
-                         kiss_fft_cpx *fout);
+void opus_ifft_neon(const kiss_fft_state *st,
+                    const kiss_fft_cpx *fin,
+                    kiss_fft_cpx *fout);
 
 #if !defined(OPUS_HAVE_RTCD)
 #define OVERRIDE_OPUS_FFT (1)
 
 #define opus_fft_alloc_arch(_st, arch) \
-   ((void)(arch), opus_fft_alloc_arm_float_neon(_st))
+   ((void)(arch), opus_fft_alloc_arm_neon(_st))
 
 #define opus_fft_free_arch(_st, arch) \
-   ((void)(arch), opus_fft_free_arm_float_neon(_st))
+   ((void)(arch), opus_fft_free_arm_neon(_st))
 
 #define opus_fft(_st, _fin, _fout, arch) \
-   ((void)(arch), opus_fft_float_neon(_st, _fin, _fout))
+   ((void)(arch), opus_fft_neon(_st, _fin, _fout))
 
 #define opus_ifft(_st, _fin, _fout, arch) \
-   ((void)(arch), opus_ifft_float_neon(_st, _fin, _fout))
+   ((void)(arch), opus_ifft_neon(_st, _fin, _fout))
 
 #endif /* OPUS_HAVE_RTCD */
 
 #endif /* HAVE_ARM_NE10 */
-#endif /* FIXED_POINT */
 
 #endif
diff --git a/celt/dump_modes/dump_modes_arch.h b/celt/dump_modes/dump_modes_arch.h
index 1436926e..cc0d4be1 100644
--- a/celt/dump_modes/dump_modes_arch.h
+++ b/celt/dump_modes/dump_modes_arch.h
@@ -32,7 +32,11 @@ void dump_modes_arch_init();
 void dump_mode_arch(CELTMode *mode);
 void dump_modes_arch_finalize();
 
+#if !defined(FIXED_POINT)
 #define ARM_NE10_ARCH_FILE_NAME "static_modes_float_arm_ne10.h"
+#else
+#define ARM_NE10_ARCH_FILE_NAME "static_modes_fixed_arm_ne10.h"
+#endif
 
 #if defined(HAVE_ARM_NE10)
 #define OVERRIDE_FFT (1)
diff --git a/celt/dump_modes/dump_modes_arm_ne10.c b/celt/dump_modes/dump_modes_arm_ne10.c
index d37e7ada..23f9a001 100644
--- a/celt/dump_modes/dump_modes_arm_ne10.c
+++ b/celt/dump_modes/dump_modes_arm_ne10.c
@@ -35,6 +35,16 @@
 #include "dump_modes_arch.h"
 #include <NE10_dsp.h>
 
+#if !defined(FIXED_POINT)
+# define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_float32_t
+# define NE10_FFT_CPX_TYPE_T_STR "ne10_fft_cpx_float32_t"
+# define NE10_FFT_STATE_TYPE_T_STR "ne10_fft_state_float32_t"
+#else
+# define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_int32_t
+# define NE10_FFT_CPX_TYPE_T_STR "ne10_fft_cpx_int32_t"
+# define NE10_FFT_STATE_TYPE_T_STR "ne10_fft_state_int32_t"
+#endif
+
 static FILE *file;
 
 void dump_modes_arch_init(CELTMode **modes, int nb_modes)
@@ -69,8 +79,8 @@ void dump_mode_arch(CELTMode *mode)
    fprintf(file, "#define NE10_FFT_PARAMS%d_%d\n", mode->Fs, mdctSize);
    /* cfg->factors */
    for(k=0;k<=mode->mdct.maxshift;k++) {
-      ne10_fft_cfg_float32_t cfg;
-      cfg = (ne10_fft_cfg_float32_t)mode->mdct.kfft[k]->arch_fft->priv;
+      NE10_FFT_CFG_TYPE_T cfg;
+      cfg = (NE10_FFT_CFG_TYPE_T)mode->mdct.kfft[k]->arch_fft->priv;
       if (!cfg)
          continue;
       fprintf(file, "static const ne10_int32_t ne10_factors_%d[%d] = {\n",
@@ -83,21 +93,28 @@ void dump_mode_arch(CELTMode *mode)
 
    /* cfg->twiddles */
    for(k=0;k<=mode->mdct.maxshift;k++) {
-      ne10_fft_cfg_float32_t cfg;
-      cfg = (ne10_fft_cfg_float32_t)mode->mdct.kfft[k]->arch_fft->priv;
+      NE10_FFT_CFG_TYPE_T cfg;
+      cfg = (NE10_FFT_CFG_TYPE_T)mode->mdct.kfft[k]->arch_fft->priv;
       if (!cfg)
          continue;
-      fprintf(file, "static const ne10_fft_cpx_float32_t ne10_twiddles_%d[%d] = {\n",
-              mode->mdct.kfft[k]->nfft, mode->mdct.kfft[k]->nfft);
+      fprintf(file, "static const %s ne10_twiddles_%d[%d] = {\n",
+              NE10_FFT_CPX_TYPE_T_STR, mode->mdct.kfft[k]->nfft,
+              mode->mdct.kfft[k]->nfft);
       for(j=0;j<mode->mdct.kfft[k]->nfft;j++) {
-         fprintf(file, "{%#0.8gf,%#0.8gf},%c", cfg->twiddles[j].r, cfg->twiddles[j].i,(j+4)%3==0?'\n':' ');
+#if !defined(FIXED_POINT)
+         fprintf(file, "{%#0.8gf,%#0.8gf},%c",
+                 cfg->twiddles[j].r, cfg->twiddles[j].i,(j+4)%3==0?'\n':' ');
+#else
+         fprintf(file, "{%d,%d},%c",
+                 cfg->twiddles[j].r, cfg->twiddles[j].i,(j+4)%3==0?'\n':' ');
+#endif
       }
       fprintf (file, "};\n");
    }
 
    for(k=0;k<=mode->mdct.maxshift;k++) {
-      ne10_fft_cfg_float32_t cfg;
-      cfg = (ne10_fft_cfg_float32_t)mode->mdct.kfft[k]->arch_fft->priv;
+      NE10_FFT_CFG_TYPE_T cfg;
+      cfg = (NE10_FFT_CFG_TYPE_T)mode->mdct.kfft[k]->arch_fft->priv;
       if (!cfg) {
          fprintf(file, "/* Ne10 does not support scaled FFT for length = %d */\n",
                  mode->mdct.kfft[k]->nfft);
@@ -107,14 +124,15 @@ void dump_mode_arch(CELTMode *mode)
          fprintf(file, "};\n");
          continue;
       }
-      fprintf(file, "static const ne10_fft_state_float32_t ne10_fft_state_float32_%d = {\n",
-              mode->mdct.kfft[k]->nfft);
+      fprintf(file, "static const %s %s_%d = {\n", NE10_FFT_STATE_TYPE_T_STR,
+              NE10_FFT_STATE_TYPE_T_STR, mode->mdct.kfft[k]->nfft);
       fprintf(file, "%d,\n", cfg->nfft);
       fprintf(file, "(ne10_int32_t *)ne10_factors_%d,\n", mode->mdct.kfft[k]->nfft);
-      fprintf(file, "(ne10_fft_cpx_float32_t *)ne10_twiddles_%d,\n", mode->mdct.kfft[k]->nfft);
+      fprintf(file, "(%s *)ne10_twiddles_%d,\n",
+              NE10_FFT_CPX_TYPE_T_STR, mode->mdct.kfft[k]->nfft);
       fprintf(file, "NULL,\n");  /* buffer */
-      fprintf(file, "(ne10_fft_cpx_float32_t *)&ne10_twiddles_%d[%d],\n",
-              mode->mdct.kfft[k]->nfft, cfg->nfft);
+      fprintf(file, "(%s *)&ne10_twiddles_%d[%d],\n",
+              NE10_FFT_CPX_TYPE_T_STR, mode->mdct.kfft[k]->nfft, cfg->nfft);
       fprintf(file, "/* is_forward_scaled = true */\n");
       fprintf(file, "(ne10_int32_t) 1,\n");
       fprintf(file, "/* is_backward_scaled = false */\n");
@@ -124,7 +142,8 @@ void dump_mode_arch(CELTMode *mode)
       fprintf(file, "static const arch_fft_state cfg_arch_%d = {\n",
               mode->mdct.kfft[k]->nfft);
       fprintf(file, "1,\n");
-      fprintf(file, "(void *)&ne10_fft_state_float32_%d,\n", mode->mdct.kfft[k]->nfft);
+      fprintf(file, "(void *)&%s_%d,\n",
+              NE10_FFT_STATE_TYPE_T_STR, mode->mdct.kfft[k]->nfft);
       fprintf(file, "};\n\n");
    }
    fprintf(file, "#endif  /* end NE10_FFT_PARAMS%d_%d */\n", mode->Fs, mdctSize);
diff --git a/celt/kiss_fft.h b/celt/kiss_fft.h
index a6aed489..bffa2bfa 100644
--- a/celt/kiss_fft.h
+++ b/celt/kiss_fft.h
@@ -93,12 +93,10 @@ typedef struct kiss_fft_state{
     opus_int16 factors[2*MAXFACTORS];
     const opus_int16 *bitrev;
     const kiss_twiddle_cpx *twiddles;
-#ifndef FIXED_POINT
     arch_fft_state *arch_fft;
-#endif
 } kiss_fft_state;
 
-#if !defined(FIXED_POINT) && defined(HAVE_ARM_NE10)
+#if defined(HAVE_ARM_NE10)
 #include "arm/fft_arm.h"
 #endif
 
diff --git a/celt/mdct.h b/celt/mdct.h
index 203c36af..2400de1a 100644
--- a/celt/mdct.h
+++ b/celt/mdct.h
@@ -76,7 +76,7 @@ void clt_mdct_backward_c(const mdct_lookup *l, kiss_fft_scalar *in,
 
 #if !defined(OVERRIDE_OPUS_MDCT)
 /* Is run-time CPU detection enabled on this platform? */
-#if defined(OPUS_HAVE_RTCD) && (defined(HAVE_ARM_NE10))
+#if defined(OPUS_HAVE_RTCD) && defined(HAVE_ARM_NE10) && !defined(FIXED_POINT)
 
 extern void (*const CLT_MDCT_FORWARD_IMPL[OPUS_ARCHMASK+1])(
       const mdct_lookup *l, kiss_fft_scalar *in,
@@ -98,7 +98,7 @@ extern void (*const CLT_MDCT_BACKWARD_IMPL[OPUS_ARCHMASK+1])(
                                                    _window, _overlap, _shift, \
                                                    _stride, _arch)
 
-#else /* else for if defined(OPUS_HAVE_RTCD) && (defined(HAVE_ARM_NE10)) */
+#else /* if defined(OPUS_HAVE_RTCD) && defined(HAVE_ARM_NE10) && !defined(FIXED_POINT) */
 
 #define clt_mdct_forward(_l, _in, _out, _window, _overlap, _shift, _stride, _arch) \
    clt_mdct_forward_c(_l, _in, _out, _window, _overlap, _shift, _stride, _arch)
@@ -106,7 +106,7 @@ extern void (*const CLT_MDCT_BACKWARD_IMPL[OPUS_ARCHMASK+1])(
 #define clt_mdct_backward(_l, _in, _out, _window, _overlap, _shift, _stride, _arch) \
    clt_mdct_backward_c(_l, _in, _out, _window, _overlap, _shift, _stride, _arch)
 
-#endif /* end if defined(OPUS_HAVE_RTCD) && (defined(HAVE_ARM_NE10)) */
+#endif /* end if defined(OPUS_HAVE_RTCD) && defined(HAVE_ARM_NE10) && !defined(FIXED_POINT) */
 #endif /* end if !defined(OVERRIDE_OPUS_MDCT) */
 
 #endif
diff --git a/celt/static_modes_fixed.h b/celt/static_modes_fixed.h
index 60f0f066..8717d626 100644
--- a/celt/static_modes_fixed.h
+++ b/celt/static_modes_fixed.h
@@ -4,6 +4,11 @@
 #include "modes.h"
 #include "rate.h"
 
+#ifdef HAVE_ARM_NE10
+#define OVERRIDE_FFT 1
+#include "static_modes_fixed_arm_ne10.h"
+#endif
+
 #ifndef DEF_WINDOW120
 #define DEF_WINDOW120
 static const opus_val16 window120[120] = {
@@ -432,6 +437,11 @@ static const kiss_fft_state fft_state48000_960_0 = {
 {5, 96, 3, 32, 4, 8, 2, 4, 4, 1, 0, 0, 0, 0, 0, 0, },    /* factors */
 fft_bitrev480,  /* bitrev */
 fft_twiddles48000_960,  /* bitrev */
+#ifdef OVERRIDE_FFT
+(arch_fft_state *)&cfg_arch_480,
+#else
+NULL,
+#endif
 };
 #endif
 
@@ -445,6 +455,11 @@ static const kiss_fft_state fft_state48000_960_1 = {
 {5, 48, 3, 16, 4, 4, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, },    /* factors */
 fft_bitrev240,  /* bitrev */
 fft_twiddles48000_960,  /* bitrev */
+#ifdef OVERRIDE_FFT
+(arch_fft_state *)&cfg_arch_240,
+#else
+NULL,
+#endif
 };
 #endif
 
@@ -458,6 +473,11 @@ static const kiss_fft_state fft_state48000_960_2 = {
 {5, 24, 3, 8, 2, 4, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, },    /* factors */
 fft_bitrev120,  /* bitrev */
 fft_twiddles48000_960,  /* bitrev */
+#ifdef OVERRIDE_FFT
+(arch_fft_state *)&cfg_arch_120,
+#else
+NULL,
+#endif
 };
 #endif
 
@@ -471,6 +491,11 @@ static const kiss_fft_state fft_state48000_960_3 = {
 {5, 12, 3, 4, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },    /* factors */
 fft_bitrev60,   /* bitrev */
 fft_twiddles48000_960,  /* bitrev */
+#ifdef OVERRIDE_FFT
+(arch_fft_state *)&cfg_arch_60,
+#else
+NULL,
+#endif
 };
 #endif
 
diff --git a/celt/static_modes_fixed_arm_ne10.h b/celt/static_modes_fixed_arm_ne10.h
new file mode 100644
index 00000000..9e137b9a
--- /dev/null
+++ b/celt/static_modes_fixed_arm_ne10.h
@@ -0,0 +1,404 @@
+/* The contents of this file was automatically generated by
+ * dump_mode_arm_ne10.c with arguments: 48000 960
+ * It contains static definitions for some pre-defined modes. */
+#include <NE10_init.h>
+
+#ifndef NE10_FFT_PARAMS48000_960
+#define NE10_FFT_PARAMS48000_960
+static const ne10_int32_t ne10_factors_480[64] = {
+4, 40, 4, 30, 2, 15, 5, 3, 3, 1, 1, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, };
+static const ne10_int32_t ne10_factors_240[64] = {
+3, 20, 4, 15, 5, 3, 3, 1, 1, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, };
+static const ne10_int32_t ne10_factors_120[64] = {
+3, 10, 2, 15, 5, 3, 3, 1, 1, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, };
+static const ne10_int32_t ne10_factors_60[64] = {
+2, 5, 5, 3, 3, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+0, 0, 0, 0, };
+static const ne10_fft_cpx_int32_t ne10_twiddles_480[480] = {
+{0,0}, {2147483647,0}, {2147483647,0},
+{2147483647,0}, {1961823921,-873460313}, {1436946998,-1595891394},
+{2147483647,0}, {1436946998,-1595891394}, {-224473265,-2135719496},
+{2147483647,0}, {663608871,-2042378339}, {-1737350854,-1262259096},
+{2147483647,0}, {-224473265,-2135719496}, {-2100555935,446487152},
+{2147483647,0}, {2100555974,-446486968}, {1961823921,-873460313},
+{1737350743,-1262259248}, {1436946998,-1595891394}, {1073741769,-1859775424},
+{663608871,-2042378339}, {224473078,-2135719516}, {-224473265,-2135719496},
+{-663609049,-2042378281}, {-1073741932,-1859775330}, {-1436947137,-1595891268},
+{-1737350854,-1262259096}, {-1961823997,-873460141}, {-2100556013,-446486785},
+{2147483647,0}, {2144540595,-112390613}, {2135719506,-224473172},
+{2121044558,-335940465}, {2100555974,-446486968}, {2074309912,-555809682},
+{2042378310,-663608960}, {2004848691,-769589332}, {1961823921,-873460313},
+{1913421927,-974937199}, {1859775377,-1073741851}, {1801031311,-1169603450},
+{1737350743,-1262259248}, {1668908218,-1351455280}, {1595891331,-1436947067},
+{1518500216,-1518500282}, {1436946998,-1595891394}, {1351455207,-1668908277},
+{1262259172,-1737350799}, {1169603371,-1801031362}, {1073741769,-1859775424},
+{974937230,-1913421912}, {873460227,-1961823959}, {769589125,-2004848771},
+{663608871,-2042378339}, {555809715,-2074309903}, {446486876,-2100555994},
+{335940246,-2121044593}, {224473078,-2135719516}, {112390647,-2144540593},
+{2147483647,0}, {2135719506,-224473172}, {2100555974,-446486968},
+{2042378310,-663608960}, {1961823921,-873460313}, {1859775377,-1073741851},
+{1737350743,-1262259248}, {1595891331,-1436947067}, {1436946998,-1595891394},
+{1262259172,-1737350799}, {1073741769,-1859775424}, {873460227,-1961823959},
+{663608871,-2042378339}, {446486876,-2100555994}, {224473078,-2135719516},
+{-94,-2147483647}, {-224473265,-2135719496}, {-446487060,-2100555955},
+{-663609049,-2042378281}, {-873460398,-1961823883}, {-1073741932,-1859775330},
+{-1262259116,-1737350839}, {-1436947137,-1595891268}, {-1595891628,-1436946738},
+{-1737350854,-1262259096}, {-1859775343,-1073741910}, {-1961823997,-873460141},
+{-2042378447,-663608538}, {-2100556013,-446486785}, {-2135719499,-224473240},
+{2147483647,0}, {2121044558,-335940465}, {2042378310,-663608960},
+{1913421927,-974937199}, {1737350743,-1262259248}, {1518500216,-1518500282},
+{1262259172,-1737350799}, {974937230,-1913421912}, {663608871,-2042378339},
+{335940246,-2121044593}, {-94,-2147483647}, {-335940431,-2121044564},
+{-663609049,-2042378281}, {-974937397,-1913421827}, {-1262259116,-1737350839},
+{-1518500258,-1518500240}, {-1737350854,-1262259096}, {-1913422071,-974936918},
+{-2042378447,-663608538}, {-2121044568,-335940406}, {-2147483647,188},
+{-2121044509,335940777}, {-2042378331,663608895}, {-1913421900,974937252},
+{-1737350633,1262259400}, {-1518499993,1518500506}, {-1262258813,1737351059},
+{-974936606,1913422229}, {-663609179,2042378239}, {-335940566,2121044542},
+{2147483647,0}, {2147299667,-28109693}, {2146747758,-56214570},
+{2145828015,-84309815}, {2144540595,-112390613}, {2142885719,-140452154},
+{2140863671,-168489630}, {2138474797,-196498235}, {2135719506,-224473172},
+{2132598271,-252409646}, {2129111626,-280302871}, {2125260168,-308148068},
+{2121044558,-335940465}, {2116465518,-363675300}, {2111523833,-391347822},
+{2106220349,-418953288}, {2100555974,-446486968}, {2094531681,-473944146},
+{2088148500,-501320115}, {2081407525,-528610186}, {2074309912,-555809682},
+{2066856885,-582913912}, {2059049696,-609918325}, {2050889698,-636818231},
+{2042378310,-663608960}, {2033516972,-690285983}, {2024307180,-716844791},
+{2014750533,-743280770}, {2004848691,-769589332}, {1994603329,-795766029},
+{1984016179,-821806435}, {1973089077,-847706028}, {1961823921,-873460313},
+{1950222618,-899064934}, {1938287127,-924515564}, {1926019520,-949807783},
+{1913421927,-974937199}, {1900496481,-999899565}, {1887245364,-1024690661},
+{1873670877,-1049306180}, {1859775377,-1073741851}, {1845561215,-1097993541},
+{1831030826,-1122057097}, {1816186632,-1145928502}, {1801031311,-1169603450},
+{1785567394,-1193077993}, {1769797456,-1216348214}, {1753724345,-1239409914},
+{1737350743,-1262259248}, {1720679456,-1284892300}, {1703713340,-1307305194},
+{1686455222,-1329494189}, {1668908218,-1351455280}, {1651075255,-1373184807},
+{1632959307,-1394679144}, {1614563642,-1415934412}, {1595891331,-1436947067},
+{1576945572,-1457713510}, {1557729613,-1478230181}, {1538246655,-1498493658},
+{1518500216,-1518500282}, {1498493590,-1538246721}, {1478230113,-1557729677},
+{1457713441,-1576945636}, {1436946998,-1595891394}, {1415934341,-1614563704},
+{1394679073,-1632959368}, {1373184735,-1651075315}, {1351455207,-1668908277},
+{1329494115,-1686455280}, {1307305120,-1703713397}, {1284892225,-1720679512},
+{1262259172,-1737350799}, {1239409837,-1753724400}, {1216348136,-1769797510},
+{1193077915,-1785567446}, {1169603371,-1801031362}, {1145928423,-1816186682},
+{1122057017,-1831030875}, {1097993571,-1845561197}, {1073741769,-1859775424},
+{1049305987,-1873670985}, {1024690635,-1887245378}, {999899482,-1900496524},
+{974937230,-1913421912}, {949807699,-1926019561}, {924515422,-1938287195},
+{899064965,-1950222603}, {873460227,-1961823959}, {847705824,-1973089164},
+{821806407,-1984016190}, {795765941,-1994603364}, {769589125,-2004848771},
+{743280682,-2014750566}, {716844642,-2024307233}, {690286016,-2033516961},
+{663608871,-2042378339}, {636818019,-2050889764}, {609918296,-2059049705},
+{582913822,-2066856911}, {555809715,-2074309903}, {528610126,-2081407540},
+{501319962,-2088148536}, {473944148,-2094531680}, {446486876,-2100555994},
+{418953102,-2106220386}, {391347792,-2111523838}, {363675176,-2116465540},
+{335940246,-2121044593}, {308148006,-2125260177}, {280302715,-2129111646},
+{252409648,-2132598271}, {224473078,-2135719516}, {196498046,-2138474814},
+{168489600,-2140863674}, {140452029,-2142885728}, {112390647,-2144540593},
+{84309753,-2145828017}, {56214412,-2146747762}, {28109695,-2147299667},
+{2147483647,0}, {2146747758,-56214570}, {2144540595,-112390613},
+{2140863671,-168489630}, {2135719506,-224473172}, {2129111626,-280302871},
+{2121044558,-335940465}, {2111523833,-391347822}, {2100555974,-446486968},
+{2088148500,-501320115}, {2074309912,-555809682}, {2059049696,-609918325},
+{2042378310,-663608960}, {2024307180,-716844791}, {2004848691,-769589332},
+{1984016179,-821806435}, {1961823921,-873460313}, {1938287127,-924515564},
+{1913421927,-974937199}, {1887245364,-1024690661}, {1859775377,-1073741851},
+{1831030826,-1122057097}, {1801031311,-1169603450}, {1769797456,-1216348214},
+{1737350743,-1262259248}, {1703713340,-1307305194}, {1668908218,-1351455280},
+{1632959307,-1394679144}, {1595891331,-1436947067}, {1557729613,-1478230181},
+{1518500216,-1518500282}, {1478230113,-1557729677}, {1436946998,-1595891394},
+{1394679073,-1632959368}, {1351455207,-1668908277}, {1307305120,-1703713397},
+{1262259172,-1737350799}, {1216348136,-1769797510}, {1169603371,-1801031362},
+{1122057017,-1831030875}, {1073741769,-1859775424}, {1024690635,-1887245378},
+{974937230,-1913421912}, {924515422,-1938287195}, {873460227,-1961823959},
+{821806407,-1984016190}, {769589125,-2004848771}, {716844642,-2024307233},
+{663608871,-2042378339}, {609918296,-2059049705}, {555809715,-2074309903},
+{501319962,-2088148536}, {446486876,-2100555994}, {391347792,-2111523838},
+{335940246,-2121044593}, {280302715,-2129111646}, {224473078,-2135719516},
+{168489600,-2140863674}, {112390647,-2144540593}, {56214412,-2146747762},
+{-94,-2147483647}, {-56214600,-2146747757}, {-112390835,-2144540584},
+{-168489787,-2140863659}, {-224473265,-2135719496}, {-280302901,-2129111622},
+{-335940431,-2121044564}, {-391347977,-2111523804}, {-446487060,-2100555955},
+{-501320144,-2088148493}, {-555809896,-2074309855}, {-609918476,-2059049651},
+{-663609049,-2042378281}, {-716844819,-2024307170}, {-769589300,-2004848703},
+{-821806581,-1984016118}, {-873460398,-1961823883}, {-924515591,-1938287114},
+{-974937397,-1913421827}, {-1024690575,-1887245411}, {-1073741932,-1859775330},
+{-1122057395,-1831030643}, {-1169603421,-1801031330}, {-1216348291,-1769797403},
+{-1262259116,-1737350839}, {-1307305268,-1703713283}, {-1351455453,-1668908078},
+{-1394679021,-1632959413}, {-1436947137,-1595891268}, {-1478230435,-1557729372},
+{-1518500258,-1518500240}, {-1557729742,-1478230045}, {-1595891628,-1436946738},
+{-1632959429,-1394679001}, {-1668908417,-1351455035}, {-1703713298,-1307305248},
+{-1737350854,-1262259096}, {-1769797708,-1216347848}, {-1801031344,-1169603400},
+{-1831030924,-1122056937}, {-1859775343,-1073741910}, {-1887245423,-1024690552},
+{-1913422071,-974936918}, {-1938287125,-924515568}, {-1961823997,-873460141},
+{-1984016324,-821806084}, {-2004848713,-769589276}, {-2024307264,-716844553},
+{-2042378447,-663608538}, {-2059049731,-609918206}, {-2074309994,-555809377},
+{-2088148499,-501320119}, {-2100556013,-446486785}, {-2111523902,-391347448},
+{-2121044568,-335940406}, {-2129111659,-280302621}, {-2135719499,-224473240},
+{-2140863681,-168489506}, {-2144540612,-112390298}, {-2146747758,-56214574},
+{2147483647,0}, {2145828015,-84309815}, {2140863671,-168489630},
+{2132598271,-252409646}, {2121044558,-335940465}, {2106220349,-418953288},
+{2088148500,-501320115}, {2066856885,-582913912}, {2042378310,-663608960},
+{2014750533,-743280770}, {1984016179,-821806435}, {1950222618,-899064934},
+{1913421927,-974937199}, {1873670877,-1049306180}, {1831030826,-1122057097},
+{1785567394,-1193077993}, {1737350743,-1262259248}, {1686455222,-1329494189},
+{1632959307,-1394679144}, {1576945572,-1457713510}, {1518500216,-1518500282},
+{1457713441,-1576945636}, {1394679073,-1632959368}, {1329494115,-1686455280},
+{1262259172,-1737350799}, {1193077915,-1785567446}, {1122057017,-1831030875},
+{1049305987,-1873670985}, {974937230,-1913421912}, {899064965,-1950222603},
+{821806407,-1984016190}, {743280682,-2014750566}, {663608871,-2042378339},
+{582913822,-2066856911}, {501319962,-2088148536}, {418953102,-2106220386},
+{335940246,-2121044593}, {252409648,-2132598271}, {168489600,-2140863674},
+{84309753,-2145828017}, {-94,-2147483647}, {-84309940,-2145828010},
+{-168489787,-2140863659}, {-252409834,-2132598249}, {-335940431,-2121044564},
+{-418953286,-2106220349}, {-501320144,-2088148493}, {-582914003,-2066856860},
+{-663609049,-2042378281}, {-743280858,-2014750501}, {-821806581,-1984016118},
+{-899065136,-1950222525}, {-974937397,-1913421827}, {-1049306374,-1873670768},
+{-1122057395,-1831030643}, {-1193078284,-1785567199}, {-1262259116,-1737350839},
+{-1329494061,-1686455323}, {-1394679021,-1632959413}, {-1457713485,-1576945595},
+{-1518500258,-1518500240}, {-1576945613,-1457713466}, {-1632959429,-1394679001},
+{-1686455338,-1329494041}, {-1737350854,-1262259096}, {-1785567498,-1193077837},
+{-1831030924,-1122056937}, {-1873671031,-1049305905}, {-1913422071,-974936918},
+{-1950222750,-899064648}, {-1984016324,-821806084}, {-2014750687,-743280354},
+{-2042378447,-663608538}, {-2066856867,-582913978}, {-2088148499,-501320119},
+{-2106220354,-418953261}, {-2121044568,-335940406}, {-2132598282,-252409555},
+{-2140863681,-168489506}, {-2145828021,-84309659}, {-2147483647,188},
+{-2145828006,84310034}, {-2140863651,168489881}, {-2132598237,252409928},
+{-2121044509,335940777}, {-2106220281,418953629}, {-2088148411,501320484},
+{-2066856765,582914339}, {-2042378331,663608895}, {-2014750557,743280706},
+{-1984016181,821806431}, {-1950222593,899064989}, {-1913421900,974937252},
+{-1873670848,1049306232}, {-1831030728,1122057257}, {-1785567289,1193078149},
+{-1737350633,1262259400}, {-1686455106,1329494336}, {-1632959185,1394679287},
+{-1576945358,1457713742}, {-1518499993,1518500506}, {-1457713209,1576945850},
+{-1394678735,1632959656}, {-1329493766,1686455555}, {-1262258813,1737351059},
+{-1193077546,1785567692}, {-1122056638,1831031107}, {-1049305599,1873671202},
+{-974936606,1913422229}, {-899064330,1950222896}, {-821805761,1984016458},
+{-743280025,2014750808}, {-663609179,2042378239}, {-582914134,2066856823},
+{-501320277,2088148461}, {-418953420,2106220322}, {-335940566,2121044542},
+{-252409716,2132598263}, {-168489668,2140863668}, {-84309821,2145828015},
+};
+static const ne10_fft_cpx_int32_t ne10_twiddles_240[240] = {
+{0,0}, {2147483647,0}, {2147483647,0},
+{2147483647,0}, {1961823921,-873460313}, {1436946998,-1595891394},
+{2147483647,0}, {1436946998,-1595891394}, {-224473265,-2135719496},
+{2147483647,0}, {663608871,-2042378339}, {-1737350854,-1262259096},
+{2147483647,0}, {-224473265,-2135719496}, {-2100555935,446487152},
+{2147483647,0}, {2135719506,-224473172}, {2100555974,-446486968},
+{2042378310,-663608960}, {1961823921,-873460313}, {1859775377,-1073741851},
+{1737350743,-1262259248}, {1595891331,-1436947067}, {1436946998,-1595891394},
+{1262259172,-1737350799}, {1073741769,-1859775424}, {873460227,-1961823959},
+{663608871,-2042378339}, {446486876,-2100555994}, {224473078,-2135719516},
+{2147483647,0}, {2100555974,-446486968}, {1961823921,-873460313},
+{1737350743,-1262259248}, {1436946998,-1595891394}, {1073741769,-1859775424},
+{663608871,-2042378339}, {224473078,-2135719516}, {-224473265,-2135719496},
+{-663609049,-2042378281}, {-1073741932,-1859775330}, {-1436947137,-1595891268},
+{-1737350854,-1262259096}, {-1961823997,-873460141}, {-2100556013,-446486785},
+{2147483647,0}, {2042378310,-663608960}, {1737350743,-1262259248},
+{1262259172,-1737350799}, {663608871,-2042378339}, {-94,-2147483647},
+{-663609049,-2042378281}, {-1262259116,-1737350839}, {-1737350854,-1262259096},
+{-2042378447,-663608538}, {-2147483647,188}, {-2042378331,663608895},
+{-1737350633,1262259400}, {-1262258813,1737351059}, {-663609179,2042378239},
+{2147483647,0}, {2146747758,-56214570}, {2144540595,-112390613},
+{2140863671,-168489630}, {2135719506,-224473172}, {2129111626,-280302871},
+{2121044558,-335940465}, {2111523833,-391347822}, {2100555974,-446486968},
+{2088148500,-501320115}, {2074309912,-555809682}, {2059049696,-609918325},
+{2042378310,-663608960}, {2024307180,-716844791}, {2004848691,-769589332},
+{1984016179,-821806435}, {1961823921,-873460313}, {1938287127,-924515564},
+{1913421927,-974937199}, {1887245364,-1024690661}, {1859775377,-1073741851},
+{1831030826,-1122057097}, {1801031311,-1169603450}, {1769797456,-1216348214},
+{1737350743,-1262259248}, {1703713340,-1307305194}, {1668908218,-1351455280},
+{1632959307,-1394679144}, {1595891331,-1436947067}, {1557729613,-1478230181},
+{1518500216,-1518500282}, {1478230113,-1557729677}, {1436946998,-1595891394},
+{1394679073,-1632959368}, {1351455207,-1668908277}, {1307305120,-1703713397},
+{1262259172,-1737350799}, {1216348136,-1769797510}, {1169603371,-1801031362},
+{1122057017,-1831030875}, {1073741769,-1859775424}, {1024690635,-1887245378},
+{974937230,-1913421912}, {924515422,-1938287195}, {873460227,-1961823959},
+{821806407,-1984016190}, {769589125,-2004848771}, {716844642,-2024307233},
+{663608871,-2042378339}, {609918296,-2059049705}, {555809715,-2074309903},
+{501319962,-2088148536}, {446486876,-2100555994}, {391347792,-2111523838},
+{335940246,-2121044593}, {280302715,-2129111646}, {224473078,-2135719516},
+{168489600,-2140863674}, {112390647,-2144540593}, {56214412,-2146747762},
+{2147483647,0}, {2144540595,-112390613}, {2135719506,-224473172},
+{2121044558,-335940465}, {2100555974,-446486968}, {2074309912,-555809682},
+{2042378310,-663608960}, {2004848691,-769589332}, {1961823921,-873460313},
+{1913421927,-974937199}, {1859775377,-1073741851}, {1801031311,-1169603450},
+{1737350743,-1262259248}, {1668908218,-1351455280}, {1595891331,-1436947067},
+{1518500216,-1518500282}, {1436946998,-1595891394}, {1351455207,-1668908277},
+{1262259172,-1737350799}, {1169603371,-1801031362}, {1073741769,-1859775424},
+{974937230,-1913421912}, {873460227,-1961823959}, {769589125,-2004848771},
+{663608871,-2042378339}, {555809715,-2074309903}, {446486876,-2100555994},
+{335940246,-2121044593}, {224473078,-2135719516}, {112390647,-2144540593},
+{-94,-2147483647}, {-112390835,-2144540584}, {-224473265,-2135719496},
+{-335940431,-2121044564}, {-446487060,-2100555955}, {-555809896,-2074309855},
+{-663609049,-2042378281}, {-769589300,-2004848703}, {-873460398,-1961823883},
+{-974937397,-1913421827}, {-1073741932,-1859775330}, {-1169603421,-1801031330},
+{-1262259116,-1737350839}, {-1351455453,-1668908078}, {-1436947137,-1595891268},
+{-1518500258,-1518500240}, {-1595891628,-1436946738}, {-1668908417,-1351455035},
+{-1737350854,-1262259096}, {-1801031344,-1169603400}, {-1859775343,-1073741910},
+{-1913422071,-974936918}, {-1961823997,-873460141}, {-2004848713,-769589276},
+{-2042378447,-663608538}, {-2074309994,-555809377}, {-2100556013,-446486785},
+{-2121044568,-335940406}, {-2135719499,-224473240}, {-2144540612,-112390298},
+{2147483647,0}, {2140863671,-168489630}, {2121044558,-335940465},
+{2088148500,-501320115}, {2042378310,-663608960}, {1984016179,-821806435},
+{1913421927,-974937199}, {1831030826,-1122057097}, {1737350743,-1262259248},
+{1632959307,-1394679144}, {1518500216,-1518500282}, {1394679073,-1632959368},
+{1262259172,-1737350799}, {1122057017,-1831030875}, {974937230,-1913421912},
+{821806407,-1984016190}, {663608871,-2042378339}, {501319962,-2088148536},
+{335940246,-2121044593}, {168489600,-2140863674}, {-94,-2147483647},
+{-168489787,-2140863659}, {-335940431,-2121044564}, {-501320144,-2088148493},
+{-663609049,-2042378281}, {-821806581,-1984016118}, {-974937397,-1913421827},
+{-1122057395,-1831030643}, {-1262259116,-1737350839}, {-1394679021,-1632959413},
+{-1518500258,-1518500240}, {-1632959429,-1394679001}, {-1737350854,-1262259096},
+{-1831030924,-1122056937}, {-1913422071,-974936918}, {-1984016324,-821806084},
+{-2042378447,-663608538}, {-2088148499,-501320119}, {-2121044568,-335940406},
+{-2140863681,-168489506}, {-2147483647,188}, {-2140863651,168489881},
+{-2121044509,335940777}, {-2088148411,501320484}, {-2042378331,663608895},
+{-1984016181,821806431}, {-1913421900,974937252}, {-1831030728,1122057257},
+{-1737350633,1262259400}, {-1632959185,1394679287}, {-1518499993,1518500506},
+{-1394678735,1632959656}, {-1262258813,1737351059}, {-1122056638,1831031107},
+{-974936606,1913422229}, {-821805761,1984016458}, {-663609179,2042378239},
+{-501320277,2088148461}, {-335940566,2121044542}, {-168489668,2140863668},
+};
+static const ne10_fft_cpx_int32_t ne10_twiddles_120[120] = {
+{0,0}, {2147483647,0}, {2147483647,0},
+{2147483647,0}, {1961823921,-873460313}, {1436946998,-1595891394},
+{2147483647,0}, {1436946998,-1595891394}, {-224473265,-2135719496},
+{2147483647,0}, {663608871,-2042378339}, {-1737350854,-1262259096},
+{2147483647,0}, {-224473265,-2135719496}, {-2100555935,446487152},
+{2147483647,0}, {2100555974,-446486968}, {1961823921,-873460313},
+{1737350743,-1262259248}, {1436946998,-1595891394}, {1073741769,-1859775424},
+{663608871,-2042378339}, {224473078,-2135719516}, {-224473265,-2135719496},
+{-663609049,-2042378281}, {-1073741932,-1859775330}, {-1436947137,-1595891268},
+{-1737350854,-1262259096}, {-1961823997,-873460141}, {-2100556013,-446486785},
+{2147483647,0}, {2144540595,-112390613}, {2135719506,-224473172},
+{2121044558,-335940465}, {2100555974,-446486968}, {2074309912,-555809682},
+{2042378310,-663608960}, {2004848691,-769589332}, {1961823921,-873460313},
+{1913421927,-974937199}, {1859775377,-1073741851}, {1801031311,-1169603450},
+{1737350743,-1262259248}, {1668908218,-1351455280}, {1595891331,-1436947067},
+{1518500216,-1518500282}, {1436946998,-1595891394}, {1351455207,-1668908277},
+{1262259172,-1737350799}, {1169603371,-1801031362}, {1073741769,-1859775424},
+{974937230,-1913421912}, {873460227,-1961823959}, {769589125,-2004848771},
+{663608871,-2042378339}, {555809715,-2074309903}, {446486876,-2100555994},
+{335940246,-2121044593}, {224473078,-2135719516}, {112390647,-2144540593},
+{2147483647,0}, {2135719506,-224473172}, {2100555974,-446486968},
+{2042378310,-663608960}, {1961823921,-873460313}, {1859775377,-1073741851},
+{1737350743,-1262259248}, {1595891331,-1436947067}, {1436946998,-1595891394},
+{1262259172,-1737350799}, {1073741769,-1859775424}, {873460227,-1961823959},
+{663608871,-2042378339}, {446486876,-2100555994}, {224473078,-2135719516},
+{-94,-2147483647}, {-224473265,-2135719496}, {-446487060,-2100555955},
+{-663609049,-2042378281}, {-873460398,-1961823883}, {-1073741932,-1859775330},
+{-1262259116,-1737350839}, {-1436947137,-1595891268}, {-1595891628,-1436946738},
+{-1737350854,-1262259096}, {-1859775343,-1073741910}, {-1961823997,-873460141},
+{-2042378447,-663608538}, {-2100556013,-446486785}, {-2135719499,-224473240},
+{2147483647,0}, {2121044558,-335940465}, {2042378310,-663608960},
+{1913421927,-974937199}, {1737350743,-1262259248}, {1518500216,-1518500282},
+{1262259172,-1737350799}, {974937230,-1913421912}, {663608871,-2042378339},
+{335940246,-2121044593}, {-94,-2147483647}, {-335940431,-2121044564},
+{-663609049,-2042378281}, {-974937397,-1913421827}, {-1262259116,-1737350839},
+{-1518500258,-1518500240}, {-1737350854,-1262259096}, {-1913422071,-974936918},
+{-2042378447,-663608538}, {-2121044568,-335940406}, {-2147483647,188},
+{-2121044509,335940777}, {-2042378331,663608895}, {-1913421900,974937252},
+{-1737350633,1262259400}, {-1518499993,1518500506}, {-1262258813,1737351059},
+{-974936606,1913422229}, {-663609179,2042378239}, {-335940566,2121044542},
+};
+static const ne10_fft_cpx_int32_t ne10_twiddles_60[60] = {
+{0,0}, {2147483647,0}, {2147483647,0},
+{2147483647,0}, {1961823921,-873460313}, {1436946998,-1595891394},
+{2147483647,0}, {1436946998,-1595891394}, {-224473265,-2135719496},
+{2147483647,0}, {663608871,-2042378339}, {-1737350854,-1262259096},
+{2147483647,0}, {-224473265,-2135719496}, {-2100555935,446487152},
+{2147483647,0}, {2135719506,-224473172}, {2100555974,-446486968},
+{2042378310,-663608960}, {1961823921,-873460313}, {1859775377,-1073741851},
+{1737350743,-1262259248}, {1595891331,-1436947067}, {1436946998,-1595891394},
+{1262259172,-1737350799}, {1073741769,-1859775424}, {873460227,-1961823959},
+{663608871,-2042378339}, {446486876,-2100555994}, {224473078,-2135719516},
+{2147483647,0}, {2100555974,-446486968}, {1961823921,-873460313},
+{1737350743,-1262259248}, {1436946998,-1595891394}, {1073741769,-1859775424},
+{663608871,-2042378339}, {224473078,-2135719516}, {-224473265,-2135719496},
+{-663609049,-2042378281}, {-1073741932,-1859775330}, {-1436947137,-1595891268},
+{-1737350854,-1262259096}, {-1961823997,-873460141}, {-2100556013,-446486785},
+{2147483647,0}, {2042378310,-663608960}, {1737350743,-1262259248},
+{1262259172,-1737350799}, {663608871,-2042378339}, {-94,-2147483647},
+{-663609049,-2042378281}, {-1262259116,-1737350839}, {-1737350854,-1262259096},
+{-2042378447,-663608538}, {-2147483647,188}, {-2042378331,663608895},
+{-1737350633,1262259400}, {-1262258813,1737351059}, {-663609179,2042378239},
+};
+static const ne10_fft_state_int32_t ne10_fft_state_int32_t_480 = {
+120,
+(ne10_int32_t *)ne10_factors_480,
+(ne10_fft_cpx_int32_t *)ne10_twiddles_480,
+NULL,
+(ne10_fft_cpx_int32_t *)&ne10_twiddles_480[120],
+/* is_forward_scaled = true */
+(ne10_int32_t) 1,
+/* is_backward_scaled = false */
+(ne10_int32_t) 0,
+};
+static const arch_fft_state cfg_arch_480 = {
+1,
+(void *)&ne10_fft_state_int32_t_480,
+};
+
+static const ne10_fft_state_int32_t ne10_fft_state_int32_t_240 = {
+60,
+(ne10_int32_t *)ne10_factors_240,
+(ne10_fft_cpx_int32_t *)ne10_twiddles_240,
+NULL,
+(ne10_fft_cpx_int32_t *)&ne10_twiddles_240[60],
+/* is_forward_scaled = true */
+(ne10_int32_t) 1,
+/* is_backward_scaled = false */
+(ne10_int32_t) 0,
+};
+static const arch_fft_state cfg_arch_240 = {
+1,
+(void *)&ne10_fft_state_int32_t_240,
+};
+
+static const ne10_fft_state_int32_t ne10_fft_state_int32_t_120 = {
+30,
+(ne10_int32_t *)ne10_factors_120,
+(ne10_fft_cpx_int32_t *)ne10_twiddles_120,
+NULL,
+(ne10_fft_cpx_int32_t *)&ne10_twiddles_120[30],
+/* is_forward_scaled = true */
+(ne10_int32_t) 1,
+/* is_backward_scaled = false */
+(ne10_int32_t) 0,
+};
+static const arch_fft_state cfg_arch_120 = {
+1,
+(void *)&ne10_fft_state_int32_t_120,
+};
+
+static const ne10_fft_state_int32_t ne10_fft_state_int32_t_60 = {
+15,
+(ne10_int32_t *)ne10_factors_60,
+(ne10_fft_cpx_int32_t *)ne10_twiddles_60,
+NULL,
+(ne10_fft_cpx_int32_t *)&ne10_twiddles_60[15],
+/* is_forward_scaled = true */
+(ne10_int32_t) 1,
+/* is_backward_scaled = false */
+(ne10_int32_t) 0,
+};
+static const arch_fft_state cfg_arch_60 = {
+1,
+(void *)&ne10_fft_state_int32_t_60,
+};
+
+#endif  /* end NE10_FFT_PARAMS48000_960 */
diff --git a/celt/tests/test_unit_dft.c b/celt/tests/test_unit_dft.c
index 958cf732..bcee440f 100644
--- a/celt/tests/test_unit_dft.c
+++ b/celt/tests/test_unit_dft.c
@@ -54,7 +54,7 @@
 # include "pitch.c"
 # if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
 #  include "arm/celt_neon_intr.c"
-#  if !defined(FIXED_POINT) && defined(HAVE_ARM_NE10)
+#  if defined(HAVE_ARM_NE10)
 #   include "mdct.c"
 #   include "arm/celt_ne10_fft.c"
 #   include "arm/celt_ne10_mdct.c"
diff --git a/celt/tests/test_unit_mathops.c b/celt/tests/test_unit_mathops.c
index 2f43704f..5b446b70 100644
--- a/celt/tests/test_unit_mathops.c
+++ b/celt/tests/test_unit_mathops.c
@@ -68,7 +68,7 @@
 # include "arm/armcpu.c"
 # if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
 #  include "arm/celt_neon_intr.c"
-#  if !defined(FIXED_POINT) && defined(HAVE_ARM_NE10)
+#  if defined(HAVE_ARM_NE10)
 #   include "kiss_fft.c"
 #   include "mdct.c"
 #   include "arm/celt_ne10_fft.c"
diff --git a/celt/tests/test_unit_mdct.c b/celt/tests/test_unit_mdct.c
index 68b6cbe2..6437ccb8 100644
--- a/celt/tests/test_unit_mdct.c
+++ b/celt/tests/test_unit_mdct.c
@@ -55,7 +55,7 @@
 # include "celt_lpc.c"
 # if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
 #  include "arm/celt_neon_intr.c"
-#  if !defined(FIXED_POINT) && defined(HAVE_ARM_NE10)
+#  if defined(HAVE_ARM_NE10)
 #   include "arm/celt_ne10_fft.c"
 #   include "arm/celt_ne10_mdct.c"
 #  endif
diff --git a/celt/tests/test_unit_rotation.c b/celt/tests/test_unit_rotation.c
index 932cd247..ddcbfa07 100644
--- a/celt/tests/test_unit_rotation.c
+++ b/celt/tests/test_unit_rotation.c
@@ -66,7 +66,7 @@
 # include "arm/armcpu.c"
 # if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
 #  include "arm/celt_neon_intr.c"
-#  if !defined(FIXED_POINT) && defined(HAVE_ARM_NE10)
+#  if defined(HAVE_ARM_NE10)
 #   include "kiss_fft.c"
 #   include "mdct.c"
 #   include "arm/celt_ne10_fft.c"
diff --git a/celt_headers.mk b/celt_headers.mk
index 5dc9e1e1..0eca6e6a 100644
--- a/celt_headers.mk
+++ b/celt_headers.mk
@@ -32,6 +32,7 @@ celt/vq.h \
 celt/static_modes_float.h \
 celt/static_modes_fixed.h \
 celt/static_modes_float_arm_ne10.h \
+celt/static_modes_fixed_arm_ne10.h \
 celt/arm/armcpu.h \
 celt/arm/fixed_armv4.h \
 celt/arm/fixed_armv5e.h \
diff --git a/configure.ac b/configure.ac
index d94fc7e2..cfcf95c3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -477,43 +477,36 @@ AS_IF([test x"$enable_intrinsics" = x"yes"],[
           ]
       )
 
-      #Currently we only have intrinsic optimizations for floating point
-      AS_IF([test x"$enable_float" = x"yes"],
+      AS_IF([test x"$OPUS_ARM_MAY_HAVE_NEON_INTR" = x"1"],
       [
-         AS_IF([test x"$OPUS_ARM_MAY_HAVE_NEON_INTR" = x"1"],
-         [
-            AC_DEFINE([OPUS_ARM_MAY_HAVE_NEON_INTR], 1, [Compiler supports ARMv7 Neon Intrinsics])
-            intrinsics_support="$intrinsics_support (Neon_Intrinsics)"
-
-            AS_IF([test x"enable_rtcd" != x"" && test x"$OPUS_ARM_PRESUME_NEON_INTR" != x"1"],
-               [rtcd_support="$rtcd_support (ARMv7_Neon_Intrinsics)"],[])
-
-            AS_IF([test x"$OPUS_ARM_PRESUME_NEON_INTR" = x"1"],
-               [AC_DEFINE([OPUS_ARM_PRESUME_NEON_INTR], 1, [Define if binary requires NEON intrinsics support])])
+         AC_DEFINE([OPUS_ARM_MAY_HAVE_NEON_INTR], 1, [Compiler supports ARMv7 Neon Intrinsics])
+         intrinsics_support="$intrinsics_support (Neon_Intrinsics)"
 
-            OPUS_PATH_NE10()
-            AS_IF([test x"$NE10_LIBS" != x""],
-            [
-                 intrinsics_support="$intrinsics_support (NE10)"
-                 AS_IF([test x"enable_rtcd" != x"" \
-                  && test x"$OPUS_ARM_PRESUME_NEON_INTR" != x"1"],
-                    [rtcd_support="$rtcd_support (NE10)"],[])
-            ])
+         AS_IF([test x"enable_rtcd" != x"" && test x"$OPUS_ARM_PRESUME_NEON_INTR" != x"1"],
+            [rtcd_support="$rtcd_support (ARMv7_Neon_Intrinsics)"],[])
 
-            AS_IF([test x"$rtcd_support" = x""],
-               [rtcd_support=no])
+         AS_IF([test x"$OPUS_ARM_PRESUME_NEON_INTR" = x"1"],
+            [AC_DEFINE([OPUS_ARM_PRESUME_NEON_INTR], 1, [Define if binary requires NEON intrinsics support])])
 
-            AS_IF([test x"$intrinsics_support" = x""],
-               [intrinsics_support=no],
-			   [intrinsics_support="arm$intrinsics_support"])
-         ],
+         OPUS_PATH_NE10()
+         AS_IF([test x"$NE10_LIBS" != x""],
          [
-            AC_MSG_WARN([Compiler does not support ARM intrinsics])
-            intrinsics_support=no
+              intrinsics_support="$intrinsics_support (NE10)"
+              AS_IF([test x"enable_rtcd" != x"" \
+               && test x"$OPUS_ARM_PRESUME_NEON_INTR" != x"1"],
+                 [rtcd_support="$rtcd_support (NE10)"],[])
          ])
-      ], [
-            AC_MSG_WARN([Currently only have ARM intrinsics for float])
-            intrinsics_support=no
+
+         AS_IF([test x"$rtcd_support" = x""],
+            [rtcd_support=no])
+
+         AS_IF([test x"$intrinsics_support" = x""],
+            [intrinsics_support=no],
+            [intrinsics_support="arm$intrinsics_support"])
+      ],
+      [
+         AC_MSG_WARN([Compiler does not support ARM intrinsics])
+         intrinsics_support=no
       ])
    ],
    [i?86|x86_64],