S->C

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4143 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 244 insertions, 0 deletions

diff --git a/mp3lib/decode_MMX.c b/mp3lib/decode_MMX.c
new file mode 100644
index 0000000000..97ac7f34d9
--- /dev/null
+++ b/mp3lib/decode_MMX.c
@@ -0,0 +1,244 @@
+/*
+ * this code comes under GPL
+ * This code was taken from http://www.mpg123.org
+ * See ChangeLog of mpg123-0.59s-pre.1 for detail
+ * Applied to mplayer by Nick Kurshev <nickols_k@mail.ru>
+ *
+ * Local ChangeLog:
+ * - Partial loops unrolling and removing MOVW insn from loops
+*/
+#define real float /* ugly - but only way */
+
+static unsigned long long __attribute__((aligned(8))) null_one = 0x0000ffff0000ffffULL;
+static unsigned long long __attribute__((aligned(8))) one_null = 0xffff0000ffff0000ULL;
+unsigned long __attribute__((aligned(8))) costab_mmx[] =
+{
+	1056974725,
+	1057056395,
+	1057223771,
+	1057485416,
+	1057855544,
+	1058356026,
+	1059019886,
+	1059897405,
+	1061067246,
+	1062657950,
+	1064892987,
+	1066774581,
+	1069414683,
+	1073984175,
+	1079645762,
+	1092815430,
+	1057005197,
+	1057342072,
+	1058087743,
+	1059427869,
+	1061799040,
+	1065862217,
+	1071413542,
+	1084439708,
+	1057128951,
+	1058664893,
+	1063675095,
+	1076102863,
+	1057655764,
+	1067924853,
+	1060439283,
+};
+
+void synth_1to1_MMX_s(real *bandPtr, int channel, short *samples,
+                      short *buffs, int *bo)
+{
+
+__asm __volatile(
+        "movl %1,%%ecx\n\t"
+        "movl %2,%%edi\n\t"
+        "movl $15,%%ebx\n\t"
+        "movl %4,%%edx\n\t"
+        "leal (%%edi,%%ecx,2),%%edi\n\t"
+	"decl %%ecx\n\t"
+        "movl %3,%%esi\n\t"
+        "movl (%%edx),%%eax\n\t"
+        "jecxz .L1\n\t"
+        "decl %%eax\n\t"
+        "andl %%ebx,%%eax\n\t"
+        "leal 1088(%%esi),%%esi\n\t"
+        "movl %%eax,(%%edx)\n\t"
+".L1:\n\t"
+        "leal (%%esi,%%eax,2),%%edx\n\t"
+        "movl %%eax,%%ebp\n\t"
+        "incl %%eax\n\t"
+        "pushl %0\n\t"
+        "andl %%ebx,%%eax\n\t"
+        "leal 544(%%esi,%%eax,2),%%ecx\n\t"
+	"incl %%ebx\n\t"
+	"testl $1, %%eax\n\t"
+	"jnz .L2\n\t"
+        "xchgl %%edx,%%ecx\n\t"
+	"incl %%ebp\n\t"
+        "leal 544(%%esi),%%esi\n\t"
+".L2:\n\t"
+	"emms\n\t"
+        "pushl %%edx\n\t"
+        "pushl %%ecx\n\t"
+        "call *dct64_MMX_func\n\t"
+	"leal 1(%%ebx), %%ecx\n\t"
+        "subl %%ebp,%%ebx\n\t"
+	"pushl %%ecx\n\t"
+	"leal decwins(%%ebx,%%ebx,1), %%edx\n\t"
+	"shrl $1, %%ecx\n\t"
+".align 16\n\t"
+".L3:\n\t"
+        "movq  (%%edx),%%mm0\n\t"
+        "movq  64(%%edx),%%mm4\n\t"
+        "pmaddwd (%%esi),%%mm0\n\t"
+        "pmaddwd 32(%%esi),%%mm4\n\t"
+        "movq  8(%%edx),%%mm1\n\t"
+        "movq  72(%%edx),%%mm5\n\t"
+        "pmaddwd 8(%%esi),%%mm1\n\t"
+        "pmaddwd 40(%%esi),%%mm5\n\t"
+        "movq  16(%%edx),%%mm2\n\t"
+        "movq  80(%%edx),%%mm6\n\t"
+        "pmaddwd 16(%%esi),%%mm2\n\t"
+        "pmaddwd 48(%%esi),%%mm6\n\t"
+        "movq  24(%%edx),%%mm3\n\t"
+        "movq  88(%%edx),%%mm7\n\t"
+        "pmaddwd 24(%%esi),%%mm3\n\t"
+        "pmaddwd 56(%%esi),%%mm7\n\t"
+        "paddd %%mm1,%%mm0\n\t"
+        "paddd %%mm5,%%mm4\n\t"
+        "paddd %%mm2,%%mm0\n\t"
+        "paddd %%mm6,%%mm4\n\t"
+        "paddd %%mm3,%%mm0\n\t"
+        "paddd %%mm7,%%mm4\n\t"
+        "movq  %%mm0,%%mm1\n\t"
+        "movq  %%mm4,%%mm5\n\t"
+        "psrlq $32,%%mm1\n\t"
+        "psrlq $32,%%mm5\n\t"
+        "paddd %%mm1,%%mm0\n\t"
+        "paddd %%mm5,%%mm4\n\t"
+        "psrad $13,%%mm0\n\t"
+        "psrad $13,%%mm4\n\t"
+        "packssdw %%mm0,%%mm0\n\t"
+        "packssdw %%mm4,%%mm4\n\t"
+
+	"movq	(%%edi), %%mm1\n\t"
+	"punpckldq %%mm4, %%mm0\n\t"
+	"pand   one_null, %%mm1\n\t"
+	"pand   null_one, %%mm0\n\t"
+	"por    %%mm0, %%mm1\n\t"
+	"movq   %%mm1,(%%edi)\n\t"
+
+        "leal 64(%%esi),%%esi\n\t"
+        "leal 128(%%edx),%%edx\n\t"
+        "leal 8(%%edi),%%edi\n\t"
+
+	"decl %%ecx\n\t"
+        "jnz  .L3\n\t"
+
+	"popl %%ecx\n\t"
+	"andl $1, %%ecx\n\t"
+	"jecxz .next_loop\n\t"
+
+        "movq  (%%edx),%%mm0\n\t"
+        "pmaddwd (%%esi),%%mm0\n\t"
+        "movq  8(%%edx),%%mm1\n\t"
+        "pmaddwd 8(%%esi),%%mm1\n\t"
+        "movq  16(%%edx),%%mm2\n\t"
+        "pmaddwd 16(%%esi),%%mm2\n\t"
+        "movq  24(%%edx),%%mm3\n\t"
+        "pmaddwd 24(%%esi),%%mm3\n\t"
+        "paddd %%mm1,%%mm0\n\t"
+        "paddd %%mm2,%%mm0\n\t"
+        "paddd %%mm3,%%mm0\n\t"
+        "movq  %%mm0,%%mm1\n\t"
+        "psrlq $32,%%mm1\n\t"
+        "paddd %%mm1,%%mm0\n\t"
+        "psrad $13,%%mm0\n\t"
+        "packssdw %%mm0,%%mm0\n\t"
+        "movd %%mm0,%%eax\n\t"
+	"movw %%ax, (%%edi)\n\t"
+        "leal 32(%%esi),%%esi\n\t"
+        "leal 64(%%edx),%%edx\n\t"
+        "leal 4(%%edi),%%edi\n\t"               
+	
+".next_loop:\n\t"
+        "subl $64,%%esi\n\t"
+        "movl $7,%%ecx\n\t"
+".align 16\n\t"
+".L4:\n\t"
+        "movq  (%%edx),%%mm0\n\t"
+        "movq  64(%%edx),%%mm4\n\t"
+        "pmaddwd (%%esi),%%mm0\n\t"
+        "pmaddwd -32(%%esi),%%mm4\n\t"
+        "movq  8(%%edx),%%mm1\n\t"
+        "movq  72(%%edx),%%mm5\n\t"
+        "pmaddwd 8(%%esi),%%mm1\n\t"
+        "pmaddwd -24(%%esi),%%mm5\n\t"
+        "movq  16(%%edx),%%mm2\n\t"
+        "movq  80(%%edx),%%mm6\n\t"
+        "pmaddwd 16(%%esi),%%mm2\n\t"
+        "pmaddwd -16(%%esi),%%mm6\n\t"
+        "movq  24(%%edx),%%mm3\n\t"
+        "movq  88(%%edx),%%mm7\n\t"
+        "pmaddwd 24(%%esi),%%mm3\n\t"
+        "pmaddwd -8(%%esi),%%mm7\n\t"
+        "paddd %%mm1,%%mm0\n\t"
+        "paddd %%mm5,%%mm4\n\t"
+        "paddd %%mm2,%%mm0\n\t"
+        "paddd %%mm6,%%mm4\n\t"
+        "paddd %%mm3,%%mm0\n\t"
+        "paddd %%mm7,%%mm4\n\t"
+        "movq  %%mm0,%%mm1\n\t"
+        "movq  %%mm4,%%mm5\n\t"
+        "psrlq $32,%%mm1\n\t"
+        "psrlq $32,%%mm5\n\t"
+        "paddd %%mm0,%%mm1\n\t"
+        "paddd %%mm4,%%mm5\n\t"
+        "psrad $13,%%mm1\n\t"
+        "psrad $13,%%mm5\n\t"
+        "packssdw %%mm1,%%mm1\n\t"
+        "packssdw %%mm5,%%mm5\n\t"
+        "psubd %%mm0,%%mm0\n\t"
+        "psubd %%mm4,%%mm4\n\t"
+        "psubsw %%mm1,%%mm0\n\t"
+        "psubsw %%mm5,%%mm4\n\t"
+
+	"movq	(%%edi), %%mm1\n\t"
+	"punpckldq %%mm4, %%mm0\n\t"
+	"pand   one_null, %%mm1\n\t"
+	"pand   null_one, %%mm0\n\t"
+	"por    %%mm0, %%mm1\n\t"
+	"movq   %%mm1,(%%edi)\n\t"
+
+        "subl $64,%%esi\n\t"
+        "addl $128,%%edx\n\t"
+        "leal 8(%%edi),%%edi\n\t"
+        "decl %%ecx\n\t"
+	"jnz  .L4\n\t"
+
+        "movq  (%%edx),%%mm0\n\t"
+        "pmaddwd (%%esi),%%mm0\n\t"
+        "movq  8(%%edx),%%mm1\n\t"
+        "pmaddwd 8(%%esi),%%mm1\n\t"
+        "movq  16(%%edx),%%mm2\n\t"
+        "pmaddwd 16(%%esi),%%mm2\n\t"
+        "movq  24(%%edx),%%mm3\n\t"
+        "pmaddwd 24(%%esi),%%mm3\n\t"
+        "paddd %%mm1,%%mm0\n\t"
+        "paddd %%mm2,%%mm0\n\t"
+        "paddd %%mm3,%%mm0\n\t"
+        "movq  %%mm0,%%mm1\n\t"
+        "psrlq $32,%%mm1\n\t"
+        "paddd %%mm0,%%mm1\n\t"
+        "psrad $13,%%mm1\n\t"
+        "packssdw %%mm1,%%mm1\n\t"
+        "psubd %%mm0,%%mm0\n\t"
+        "psubsw %%mm1,%%mm0\n\t"
+        "movd %%mm0,%%eax\n\t"
+	"movw %%ax,(%%edi)\n\t"
+	"emms\n\t"
+        :
+	:"m"(bandPtr),"m"(channel),"m"(samples),"m"(buffs),"m"(bo)
+	:"memory","%ebp","%edi","%esi","%ebx");
+}