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Fixes for ARMv7/AArch32

1) Enable asm/intrinsics even for floating-point
2) Make sure ARMv8 asimd enables EDSP/MEDIA/Neon
3) Add dotp architecture to rtcd table since AArch *can* have dotp

--- a/celt/arm/armcpu.c

+++ b/celt/arm/armcpu.c

@@ -127,6 +127,9 @@

         p = strstr(buf, " neon");

         if(p != NULL && (p[5] == ' ' || p[5] == '\n'))

           flags |= OPUS_CPU_ARM_NEON_FLAG;

+        p = strstr(buf, " asimd");

+        if(p != NULL && (p[6] == ' ' || p[6] == '\n'))

+          flags |= OPUS_CPU_ARM_NEON_FLAG | OPUS_CPU_ARM_MEDIA_FLAG | OPUS_CPU_ARM_EDSP_FLAG;

 #  endif

 #  if defined(OPUS_ARM_MAY_HAVE_DOTPROD)

         p = strstr(buf, " asimddp");

--- a/configure.ac

+++ b/configure.ac

@@ -220,7 +220,7 @@

     case $host_cpu in

       arm*)

         dnl Currently we only have asm for fixed-point

-        AS_IF([test "$enable_float" != "yes"],[

+        #AS_IF([test "$enable_float" != "yes"],[

             cpu_arm=yes

             AC_DEFINE([OPUS_ARM_ASM], [],  [Make use of ARM asm optimization])

             AS_GCC_INLINE_ASSEMBLY(

@@ -366,7 +366,7 @@

                   [*** ARM assembly requires perl -- disabling optimizations])

                 asm_optimization="(missing perl dependency for ARM)"

             ])

-        ])

+        #])

         ;;

     esac

 ],[

--- a/silk/arm/arm_silk_map.c

+++ b/silk/arm/arm_silk_map.c

@@ -49,6 +49,7 @@

       silk_biquad_alt_stride2_c,    /* EDSP */

       silk_biquad_alt_stride2_c,    /* Media */

       silk_biquad_alt_stride2_neon, /* Neon */

+      silk_biquad_alt_stride2_neon, /* dotprod */

 };

 opus_int32 (*const SILK_LPC_INVERSE_PRED_GAIN_IMPL[OPUS_ARCHMASK + 1])( /* O   Returns inverse prediction gain in energy domain, Q30        */

@@ -59,6 +60,7 @@

       silk_LPC_inverse_pred_gain_c,    /* EDSP */

       silk_LPC_inverse_pred_gain_c,    /* Media */

       silk_LPC_inverse_pred_gain_neon, /* Neon */

+      silk_LPC_inverse_pred_gain_neon, /* dotprod */

 };

 void  (*const SILK_NSQ_DEL_DEC_IMPL[OPUS_ARCHMASK + 1])(

@@ -82,6 +84,7 @@

       silk_NSQ_del_dec_c,    /* EDSP */

       silk_NSQ_del_dec_c,    /* Media */

       silk_NSQ_del_dec_neon, /* Neon */

+      silk_NSQ_del_dec_neon, /* dotprod */

 };

 /*There is no table for silk_noise_shape_quantizer_short_prediction because the

@@ -97,6 +100,7 @@

   silk_NSQ_noise_shape_feedback_loop_c,    /* EDSP */

   silk_NSQ_noise_shape_feedback_loop_c,    /* Media */

   silk_NSQ_noise_shape_feedback_loop_neon, /* NEON */

+  silk_NSQ_noise_shape_feedback_loop_neon, /* dotprod */

 };

 # endif

@@ -116,6 +120,7 @@

       silk_warped_autocorrelation_FIX_c,    /* EDSP */

       silk_warped_autocorrelation_FIX_c,    /* Media */

       silk_warped_autocorrelation_FIX_neon, /* Neon */

+      silk_warped_autocorrelation_FIX_neon, /* dotprod */

 };

 # endif

-- 

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