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Diffstat (limited to 'plugins/demac/libdemac/vector_math16_armv6.h')
-rw-r--r--plugins/demac/libdemac/vector_math16_armv6.h289
1 files changed, 0 insertions, 289 deletions
diff --git a/plugins/demac/libdemac/vector_math16_armv6.h b/plugins/demac/libdemac/vector_math16_armv6.h
deleted file mode 100644
index f6505f42..00000000
--- a/plugins/demac/libdemac/vector_math16_armv6.h
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
-
-libdemac - A Monkey's Audio decoder
-
-$Id: vector_math16_armv6.h 19198 2008-11-24 18:40:43Z amiconn $
-
-Copyright (C) Dave Chapman 2007
-
-ARMv6 vector math copyright (C) 2008 Jens Arnold
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
-
-*/
-
-/* This version fetches data as 32 bit words, and *requires* v1 to be
- * 32 bit aligned, otherwise it will result either in a data abort, or
- * incorrect results (if ARM aligncheck is disabled). */
-static inline void vector_add(int16_t* v1, int16_t* v2)
-{
-#if ORDER > 32
- int cnt = ORDER>>5;
-#endif
-
-#if ORDER > 16
-#define ADD_SUB_BLOCKS "4"
-#else
-#define ADD_SUB_BLOCKS "2"
-#endif
-
- asm volatile (
- "tst %[v2], #2 \n"
- "beq 20f \n"
-
- "10: \n"
- "bic %[v2], %[v2], #2 \n"
- "ldmia %[v2]!, {r4-r5} \n"
- "1: \n"
- ".rept " ADD_SUB_BLOCKS "\n"
- "ldmia %[v2]!, {r6-r7} \n"
- "ldmia %[v1], {r0-r3} \n"
- "mov r5, r5, ror #16 \n"
- "pkhtb r4, r5, r4, asr #16 \n"
- "sadd16 r0, r0, r4 \n"
- "pkhbt r5, r5, r6, lsl #16 \n"
- "sadd16 r1, r1, r5 \n"
- "ldmia %[v2]!, {r4-r5} \n"
- "mov r7, r7, ror #16 \n"
- "pkhtb r6, r7, r6, asr #16 \n"
- "sadd16 r2, r2, r6 \n"
- "pkhbt r7, r7, r4, lsl #16 \n"
- "sadd16 r3, r3, r7 \n"
- "stmia %[v1]!, {r0-r3} \n"
- ".endr \n"
-#if ORDER > 32
- "subs %[cnt], %[cnt], #1 \n"
- "bne 1b \n"
-#endif
- "b 99f \n"
-
- "20: \n"
- "1: \n"
- ".rept " ADD_SUB_BLOCKS "\n"
- "ldmia %[v2]!, {r4-r7} \n"
- "ldmia %[v1], {r0-r3} \n"
- "sadd16 r0, r0, r4 \n"
- "sadd16 r1, r1, r5 \n"
- "sadd16 r2, r2, r6 \n"
- "sadd16 r3, r3, r7 \n"
- "stmia %[v1]!, {r0-r3} \n"
- ".endr \n"
-#if ORDER > 32
- "subs %[cnt], %[cnt], #1 \n"
- "bne 1b \n"
-#endif
-
- "99: \n"
- : /* outputs */
-#if ORDER > 32
- [cnt]"+r"(cnt),
-#endif
- [v1] "+r"(v1),
- [v2] "+r"(v2)
- : /* inputs */
- : /* clobbers */
- "r0", "r1", "r2", "r3", "r4",
- "r5", "r6", "r7", "memory"
- );
-}
-
-/* This version fetches data as 32 bit words, and *requires* v1 to be
- * 32 bit aligned, otherwise it will result either in a data abort, or
- * incorrect results (if ARM aligncheck is disabled). */
-static inline void vector_sub(int16_t* v1, int16_t* v2)
-{
-#if ORDER > 32
- int cnt = ORDER>>5;
-#endif
-
- asm volatile (
- "tst %[v2], #2 \n"
- "beq 20f \n"
-
- "10: \n"
- "bic %[v2], %[v2], #2 \n"
- "ldmia %[v2]!, {r4-r5} \n"
- "1: \n"
- ".rept " ADD_SUB_BLOCKS "\n"
- "ldmia %[v2]!, {r6-r7} \n"
- "ldmia %[v1], {r0-r3} \n"
- "mov r5, r5, ror #16 \n"
- "pkhtb r4, r5, r4, asr #16 \n"
- "ssub16 r0, r0, r4 \n"
- "pkhbt r5, r5, r6, lsl #16 \n"
- "ssub16 r1, r1, r5 \n"
- "ldmia %[v2]!, {r4-r5} \n"
- "mov r7, r7, ror #16 \n"
- "pkhtb r6, r7, r6, asr #16 \n"
- "ssub16 r2, r2, r6 \n"
- "pkhbt r7, r7, r4, lsl #16 \n"
- "ssub16 r3, r3, r7 \n"
- "stmia %[v1]!, {r0-r3} \n"
- ".endr \n"
-#if ORDER > 32
- "subs %[cnt], %[cnt], #1 \n"
- "bne 1b \n"
-#endif
- "b 99f \n"
-
- "20: \n"
- "1: \n"
- ".rept " ADD_SUB_BLOCKS "\n"
- "ldmia %[v2]!, {r4-r7} \n"
- "ldmia %[v1], {r0-r3} \n"
- "ssub16 r0, r0, r4 \n"
- "ssub16 r1, r1, r5 \n"
- "ssub16 r2, r2, r6 \n"
- "ssub16 r3, r3, r7 \n"
- "stmia %[v1]!, {r0-r3} \n"
- ".endr \n"
-#if ORDER > 32
- "subs %[cnt], %[cnt], #1 \n"
- "bne 1b \n"
-#endif
-
- "99: \n"
- : /* outputs */
-#if ORDER > 32
- [cnt]"+r"(cnt),
-#endif
- [v1] "+r"(v1),
- [v2] "+r"(v2)
- : /* inputs */
- : /* clobbers */
- "r0", "r1", "r2", "r3", "r4",
- "r5", "r6", "r7", "memory"
- );
-}
-
-/* This version fetches data as 32 bit words, and *requires* v1 to be
- * 32 bit aligned, otherwise it will result either in a data abort, or
- * incorrect results (if ARM aligncheck is disabled). */
-static inline int32_t scalarproduct(int16_t* v1, int16_t* v2)
-{
- int res;
-#if ORDER > 32
- int cnt = ORDER>>5;
-#endif
-
-#if ORDER > 16
-#define MLA_BLOCKS "3"
-#else
-#define MLA_BLOCKS "1"
-#endif
-
- asm volatile (
-#if ORDER > 32
- "mov %[res], #0 \n"
-#endif
- "tst %[v2], #2 \n"
- "beq 20f \n"
-
- "10: \n"
- "bic %[v2], %[v2], #2 \n"
- "ldmia %[v2]!, {r5-r7} \n"
- "ldmia %[v1]!, {r0-r1} \n"
- "1: \n"
- "pkhbt r8, r6, r5 \n"
- "ldmia %[v2]!, {r4-r5} \n"
-#if ORDER > 32
- "smladx %[res], r0, r8, %[res] \n"
-#else
- "smuadx %[res], r0, r8 \n"
-#endif
- ".rept " MLA_BLOCKS "\n"
- "pkhbt r8, r7, r6 \n"
- "ldmia %[v1]!, {r2-r3} \n"
- "smladx %[res], r1, r8, %[res] \n"
- "pkhbt r8, r4, r7 \n"
- "ldmia %[v2]!, {r6-r7} \n"
- "smladx %[res], r2, r8, %[res] \n"
- "pkhbt r8, r5, r4 \n"
- "ldmia %[v1]!, {r0-r1} \n"
- "smladx %[res], r3, r8, %[res] \n"
- "pkhbt r8, r6, r5 \n"
- "ldmia %[v2]!, {r4-r5} \n"
- "smladx %[res], r0, r8, %[res] \n"
- ".endr \n"
-
- "pkhbt r8, r7, r6 \n"
- "ldmia %[v1]!, {r2-r3} \n"
- "smladx %[res], r1, r8, %[res] \n"
- "pkhbt r8, r4, r7 \n"
-#if ORDER > 32
- "subs %[cnt], %[cnt], #1 \n"
- "ldmneia %[v2]!, {r6-r7} \n"
- "smladx %[res], r2, r8, %[res] \n"
- "pkhbt r8, r5, r4 \n"
- "ldmneia %[v1]!, {r0-r1} \n"
- "smladx %[res], r3, r8, %[res] \n"
- "bne 1b \n"
-#else
- "pkhbt r5, r5, r4 \n"
- "smladx %[res], r2, r8, %[res] \n"
- "smladx %[res], r3, r5, %[res] \n"
-#endif
- "b 99f \n"
-
- "20: \n"
- "ldmia %[v1]!, {r0-r1} \n"
- "ldmia %[v2]!, {r5-r7} \n"
- "1: \n"
- "ldmia %[v1]!, {r2-r3} \n"
-#if ORDER > 32
- "smlad %[res], r0, r5, %[res] \n"
-#else
- "smuad %[res], r0, r5 \n"
-#endif
- ".rept " MLA_BLOCKS "\n"
- "ldmia %[v2]!, {r4-r5} \n"
- "smlad %[res], r1, r6, %[res] \n"
- "ldmia %[v1]!, {r0-r1} \n"
- "smlad %[res], r2, r7, %[res] \n"
- "ldmia %[v2]!, {r6-r7} \n"
- "smlad %[res], r3, r4, %[res] \n"
- "ldmia %[v1]!, {r2-r3} \n"
- "smlad %[res], r0, r5, %[res] \n"
- ".endr \n"
-
- "ldmia %[v2]!, {r4-r5} \n"
- "smlad %[res], r1, r6, %[res] \n"
-#if ORDER > 32
- "subs %[cnt], %[cnt], #1 \n"
- "ldmneia %[v1]!, {r0-r1} \n"
- "smlad %[res], r2, r7, %[res] \n"
- "ldmneia %[v2]!, {r6-r7} \n"
- "smlad %[res], r3, r4, %[res] \n"
- "bne 1b \n"
-#else
- "smlad %[res], r2, r7, %[res] \n"
- "smlad %[res], r3, r4, %[res] \n"
-#endif
-
- "99: \n"
- : /* outputs */
-#if ORDER > 32
- [cnt]"+r"(cnt),
-#endif
- [v1] "+r"(v1),
- [v2] "+r"(v2),
- [res]"=r"(res)
- : /* inputs */
- : /* clobbers */
- "r0", "r1", "r2", "r3", "r4",
- "r5", "r6", "r7", "r8"
- );
- return res;
-}
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