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-rw-r--r--apps/codecs/libspeex/filters_arm4.h96
1 files changed, 0 insertions, 96 deletions
diff --git a/apps/codecs/libspeex/filters_arm4.h b/apps/codecs/libspeex/filters_arm4.h
deleted file mode 100644
index 18c2a7d448..0000000000
--- a/apps/codecs/libspeex/filters_arm4.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/* Copyright (C) 2004 Jean-Marc Valin */
-/**
- @file filters_arm4.h
- @brief Various analysis/synthesis filters (ARM4 version)
-*/
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- - Neither the name of the Xiph.org Foundation nor the names of its
- contributors may be used to endorse or promote products derived from
- this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#define OVERRIDE_NORMALIZE16
-int normalize16(const spx_sig_t *x, spx_word16_t *y, spx_sig_t max_scale, int len)
-{
- spx_sig_t max_val=1;
- int sig_shift;
- int dead1, dead2, dead3, dead4, dead5, dead6;
-
- __asm__ __volatile__ (
- "\tmov %1, #1 \n"
- "\tmov %3, #0 \n"
-
- ".normalize16loop1%=: \n"
-
- "\tldr %4, [%0], #4 \n"
- "\tcmp %4, %1 \n"
- "\tmovgt %1, %4 \n"
- "\tcmp %4, %3 \n"
- "\tmovlt %3, %4 \n"
-
- "\tsubs %2, %2, #1 \n"
- "\tbne .normalize16loop1%=\n"
-
- "\trsb %3, %3, #0 \n"
- "\tcmp %1, %3 \n"
- "\tmovlt %1, %3 \n"
- : "=r" (dead1), "=r" (max_val), "=r" (dead3), "=r" (dead4),
- "=r" (dead5), "=r" (dead6)
- : "0" (x), "2" (len)
- : "cc", "memory");
-
- sig_shift=0;
- while (max_val>max_scale)
- {
- sig_shift++;
- max_val >>= 1;
- }
-
- __asm__ __volatile__ (
- ".normalize16loop%=: \n"
-
- "\tldr %4, [%0], #4 \n"
- "\tldr %5, [%0], #4 \n"
- "\tmov %4, %4, asr %3 \n"
- "\tstrh %4, [%1], #2 \n"
- "\tldr %4, [%0], #4 \n"
- "\tmov %5, %5, asr %3 \n"
- "\tstrh %5, [%1], #2 \n"
- "\tldr %5, [%0], #4 \n"
- "\tmov %4, %4, asr %3 \n"
- "\tstrh %4, [%1], #2 \n"
- "\tsubs %2, %2, #1 \n"
- "\tmov %5, %5, asr %3 \n"
- "\tstrh %5, [%1], #2 \n"
-
- "\tbge .normalize16loop%=\n"
- : "=r" (dead1), "=r" (dead2), "=r" (dead3), "=r" (dead4),
- "=r" (dead5), "=r" (dead6)
- : "0" (x), "1" (y), "2" (len>>2), "3" (sig_shift)
- : "cc", "memory");
- return sig_shift;
-}
-