1 files changed, 130 insertions, 0 deletions
diff --git a/gst/speexresample/fixed_arm4.h b/gst/speexresample/fixed_arm4.h
new file mode 100644
index 00000000..df99a60f
--- /dev/null
+++ b/gst/speexresample/fixed_arm4.h
@@ -0,0 +1,130 @@
+/* Copyright (C) 2004 Jean-Marc Valin */
+/**
+   @file fixed_arm4.h
+   @brief ARM4 fixed-point operations
+*/
+/*
+   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.
+*/
+
+#ifndef FIXED_ARM4_H
+#define FIXED_ARM4_H
+
+#undef MULT16_32_Q14
+static inline spx_word32_t
+MULT16_32_Q14 (spx_word16_t x, spx_word32_t y)
+{
+  int res;
+  int dummy;
+asm ("smull  %0,%1,%2,%3 \n\t" "mov %0, %0, lsr #14 \n\t" "add %0, %0, %1, lsl #18 \n\t":"=&r" (res),
+      "=&r"
+      (dummy)
+:    "r" (y), "r" ((int) x));
+  return (res);
+}
+
+#undef MULT16_32_Q15
+static inline spx_word32_t
+MULT16_32_Q15 (spx_word16_t x, spx_word32_t y)
+{
+  int res;
+  int dummy;
+asm ("smull  %0,%1,%2,%3 \n\t" "mov %0, %0, lsr #15 \n\t" "add %0, %0, %1, lsl #17 \n\t":"=&r" (res),
+      "=&r"
+      (dummy)
+:    "r" (y), "r" ((int) x));
+  return (res);
+}
+
+#undef DIV32_16
+static inline short
+DIV32_16 (int a, int b)
+{
+  int res = 0;
+  int dead1, dead2, dead3, dead4, dead5;
+  __asm__ __volatile__ ("\teor %5, %0, %1\n"
+      "\tmovs %4, %0\n"
+      "\trsbmi %0, %0, #0 \n"
+      "\tmovs %4, %1\n"
+      "\trsbmi %1, %1, #0 \n"
+      "\tmov %4, #1\n"
+      "\tsubs %3, %0, %1, asl #14 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #14 \n"
+      "\tsubs %3, %0, %1, asl #13 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #13 \n"
+      "\tsubs %3, %0, %1, asl #12 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #12 \n"
+      "\tsubs %3, %0, %1, asl #11 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #11 \n"
+      "\tsubs %3, %0, %1, asl #10 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #10 \n"
+      "\tsubs %3, %0, %1, asl #9 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #9 \n"
+      "\tsubs %3, %0, %1, asl #8 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #8 \n"
+      "\tsubs %3, %0, %1, asl #7 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #7 \n"
+      "\tsubs %3, %0, %1, asl #6 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #6 \n"
+      "\tsubs %3, %0, %1, asl #5 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #5 \n"
+      "\tsubs %3, %0, %1, asl #4 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #4 \n"
+      "\tsubs %3, %0, %1, asl #3 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #3 \n"
+      "\tsubs %3, %0, %1, asl #2 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #2 \n"
+      "\tsubs %3, %0, %1, asl #1 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4, asl #1 \n"
+      "\tsubs %3, %0, %1 \n"
+      "\tmovpl %0, %3 \n"
+      "\torrpl %2, %2, %4 \n"
+      "\tmovs %5, %5, lsr #31 \n"
+      "\trsbne %2, %2, #0 \n":"=r" (dead1), "=r" (dead2), "=r" (res),
+      "=r" (dead3), "=r" (dead4), "=r" (dead5)
+      :"0" (a), "1" (b), "2" (res)
+      :"cc");
+  return res;
+}
+
+
+#endif