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-rw-r--r--mpeglib/lib/mpegplay/copyFunctions_mmx.cpp313
1 files changed, 313 insertions, 0 deletions
diff --git a/mpeglib/lib/mpegplay/copyFunctions_mmx.cpp b/mpeglib/lib/mpegplay/copyFunctions_mmx.cpp
new file mode 100644
index 00000000..3e295e76
--- /dev/null
+++ b/mpeglib/lib/mpegplay/copyFunctions_mmx.cpp
@@ -0,0 +1,313 @@
+/*
+ copyfunctions implementation in mmx
+ Copyright (C) 2000 Martin Vogt
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation.
+
+ For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+#include "copyFunctions_mmx.h"
+
+using namespace std;
+
+// mmx goodies
+static long ADD_1[] = {0x01010101, 0x01010101};
+static long ADDW_1[] = {0x00010001, 0x00010001};
+static long MASK_AND[] = {0x7f7f7f7f, 0x7f7f7f7f};
+
+void dummyCopyFunctions() {
+ cout << "ADD_1:"<<ADD_1<<endl;
+ cout << "ADDW_1:"<<ADDW_1<<endl;
+ cout << "MASK_AND:"<<MASK_AND<<endl;
+}
+
+CopyFunctions_MMX::CopyFunctions_MMX() {
+#ifdef INTEL
+ lmmx=mm_support();
+#else
+ lmmx=false;
+ cout << "no INTEL arch- disable MMX in copyFunctions"<<endl;
+#endif
+}
+
+
+CopyFunctions_MMX::~CopyFunctions_MMX() {
+}
+
+int CopyFunctions_MMX::support() {
+ return lmmx;
+}
+
+
+#if defined (__GNUC__) && defined (INTEL)
+
+void CopyFunctions_MMX::startNOFloatSection() {
+}
+
+
+void CopyFunctions_MMX::endNOFloatSection() {
+ emms();
+}
+
+
+
+void CopyFunctions_MMX::copy8_byte(unsigned char* source1,
+ unsigned char* dest,int inc) {
+ int rr=4;
+
+ asm (
+ "1:\n"
+ "movq (%0) ,%%mm0\n"
+ "leal (%0,%2) ,%0\n"
+ "movq (%0) ,%%mm1\n"
+ "leal (%0,%2) ,%0\n"
+
+ // Write
+ "movq %%mm0 ,(%1)\n"
+ "leal (%1,%2) ,%1\n"
+ "movq %%mm1 ,(%1)\n"
+ "leal (%1,%2) ,%1\n"
+
+ "decl %3\n"
+ "jnz 1b\n"
+ :
+ : "r"(source1),"r"(dest),"r"(inc),"r"(rr)
+ );
+}
+
+
+
+void CopyFunctions_MMX::copy8_src1linear_crop(short* source1,
+ unsigned char* dest,int inc) {
+
+ asm (
+ "movq (%1),%%mm0\n"
+ "packuswb 8(%1),%%mm0\n"
+ "movq %%mm0,(%0)\n"
+ "addl %2,%0\n"
+
+ "movq 16(%1),%%mm0\n"
+ "packuswb 24(%1),%%mm0\n"
+ "movq %%mm0,(%0)\n"
+ "addl %2,%0\n"
+
+ "movq 32(%1),%%mm0\n"
+ "packuswb 40(%1),%%mm0\n"
+ "movq %%mm0,(%0)\n"
+ "addl %2,%0\n"
+
+ "movq 48(%1),%%mm0\n"
+ "packuswb 56(%1),%%mm0\n"
+ "movq %%mm0,(%0)\n"
+ "addl %2,%0\n"
+
+ "movq 64(%1),%%mm0\n"
+ "packuswb 72(%1),%%mm0\n"
+ "movq %%mm0,(%0)\n"
+ "addl %2,%0\n"
+
+ "movq 80(%1),%%mm0\n"
+ "packuswb 88(%1),%%mm0\n"
+ "movq %%mm0,(%0)\n"
+ "addl %2,%0\n"
+
+ "movq 96(%1),%%mm0\n"
+ "packuswb 104(%1),%%mm0\n"
+ "movq %%mm0,(%0)\n"
+ "addl %2,%0\n"
+
+ "movq 112(%1),%%mm0\n"
+ "packuswb 120(%1),%%mm0\n"
+ "movq %%mm0,(%0)\n"
+ :
+ :"r" (dest), "r" (source1),"r" (inc)
+ );
+
+}
+
+
+
+void CopyFunctions_MMX::copy8_div2_nocrop(unsigned char* source1,
+ unsigned char* source2,
+ unsigned char* dest,int inc) {
+ int h=8;
+ asm (
+ "movq MASK_AND, %%mm5\n"
+ "movq ADD_1, %%mm6\n"
+ "1:\t"
+ "movq (%1), %%mm0\n" /* 8 s */
+ "movq (%4), %%mm1\n" /* 8 s +lx */
+ "psrlw $1,%%mm0\n"
+ "psrlw $1,%%mm1\n"
+ "pand %%mm5,%%mm0\n"
+ "pand %%mm5,%%mm1\n"
+ "paddusb %%mm1,%%mm0\n"
+ "addl %3,%1\n"
+ "paddusb %%mm6,%%mm0\n"
+ "addl %3,%4\n"
+ "movq %%mm0,(%2)\n"
+ "decl %0\n"
+ "leal (%2, %3), %2\n"
+ "jnz 1b\n"
+ :
+ : "c"(h), "r"(source1), "r"(dest), "r"(inc), "r"(source2)
+ );
+}
+
+
+void CopyFunctions_MMX::copy8_div2_destlinear_nocrop(unsigned char* source1,
+ unsigned char* source2,
+ unsigned char* dest,
+ int inc) {
+ int h=8;
+ asm (
+ "movq MASK_AND, %%mm5\n"
+ "1:\t"
+ "movq (%1), %%mm0\n" /* 8 s */
+ "movq (%4), %%mm1\n" /* 8 s +lx */
+ "psrlw $1,%%mm0\n"
+ "psrlw $1,%%mm1\n"
+ "pand %%mm5,%%mm0\n"
+ "pand %%mm5,%%mm1\n"
+ "paddusb %%mm1,%%mm0\n"
+ "addl %3,%1\n"
+ "addl %3,%4\n"
+ "movq %%mm0,(%2)\n"
+ "decl %0\n"
+ "leal 8(%2), %2\n"
+ "jnz 1b\n"
+ :
+ : "c"(h), "r"(source1), "r"(dest), "r"(inc), "r"(source2)
+ );
+}
+
+
+
+void CopyFunctions_MMX::copy16_div2_destlinear_nocrop(unsigned char* source1,
+ unsigned char* source2,
+ unsigned char* dest,
+ int inc) {
+ int h=16;
+ inc=inc-8;
+ asm (
+ "movq MASK_AND, %%mm5\n"
+ "1:\t"
+ "movq (%1), %%mm0\n" /* 8 s */
+ "movq (%4), %%mm1\n" /* 8 s +lx */
+ "psrlw $1,%%mm0\n"
+ "psrlw $1,%%mm1\n"
+ "pand %%mm5,%%mm0\n"
+ "pand %%mm5,%%mm1\n"
+ "paddusb %%mm1,%%mm0\n"
+ "leal 8(%1),%1\n"
+ "leal 8(%4),%4\n"
+ "movq %%mm0,(%2)\n"
+ "leal 8(%2),%2\n"
+
+ "movq (%1), %%mm0\n" /* 8 s */
+ "movq (%4), %%mm1\n" /* 8 s +lx */
+ "psrlw $1,%%mm0\n"
+ "psrlw $1,%%mm1\n"
+ "pand %%mm5,%%mm0\n"
+ "pand %%mm5,%%mm1\n"
+ "paddusb %%mm1,%%mm0\n"
+ "leal (%3,%1),%1\n"
+ "leal (%3,%4),%4\n"
+ "movq %%mm0,(%2)\n"
+ "leal 8(%2),%2\n"
+
+ "decl %0\n"
+ "jnz 1b\n"
+ :
+ : "c"(h), "r"(source1), "r"(dest), "r"(inc), "r"(source2)
+ );
+}
+
+
+void CopyFunctions_MMX::copy8_src2linear_crop(unsigned char* source1,
+ short int* source2,
+ unsigned char* dest,int inc) {
+
+ int rr=8;
+ // buggy
+
+ asm (
+ ".align 32\n"
+ "pxor %%mm2 ,%%mm2\n" // 0 0 0 0 0 0 0 0
+ "1:\n"
+ "movq (%0) ,%%mm0\n" // s1_7 s1_6 s1_5 s1_4 s1_3 s1_2 s1_1 s1_0
+ "movq (%0) ,%%mm4\n" // s1_7 s1_6 s1_5 s1_4 s1_3 s1_2 s1_1 s1_0
+ "punpckhbw %%mm2 ,%%mm0\n" // 0 s1_7 0 s1_6 0 s1_5 0 s1_4
+ "punpcklbw %%mm2 ,%%mm4\n" // 0 s1_3 0 s1_2 0 s1_1 0 s1_0
+ "movq (%1) ,%%mm1\n" // s23h s23l s22h s22l s21l s21h s20h s20l
+ "movq 8(%1) ,%%mm5\n" // s27h s27l s26h s26l s25l s25h s24h s24l
+ "paddw %%mm0 ,%%mm5\n" // mm4=mm4 + s3_0..3
+ "paddw %%mm4 ,%%mm1\n" // mm0=mm0 + s3_4..7
+ "packuswb %%mm5 ,%%mm1\n" // cm[...]
+
+ "movq %%mm1 ,(%2)\n" // wrote out
+
+ "leal (%0,%3), %0\n" // source1+=inc
+ "leal 16(%1) , %1\n" // source2+=inc
+ "leal (%2,%3), %2\n" // dest+=inc
+ "decl %4\n"
+ "jnz 1b\n"
+ //"emms\n"
+ :
+ : "r"(source1), "r"(source2), "r"(dest),"r"(inc),"r"(rr)
+ );
+}
+
+
+void CopyFunctions_MMX::copy8_div2_src3linear_crop(unsigned char* source1,
+ unsigned char* source2,
+ short int* source3,
+ unsigned char* dest,
+ int inc){
+ // buggy
+ int rr=8;
+
+ asm (
+ "pxor %%mm2 ,%%mm2\n" // 0 0 0 0 0 0 0 0
+ "pxor %%mm3 ,%%mm3\n" // 0 0 0 0 0 0 0 0
+ "movq ADDW_1,%%mm6\n" // 0 1 0 1 0 1 0 1
+ "1:\n"
+ "movq (%0) ,%%mm0\n" // s1_7 s1_6 s1_5 s1_4 s1_3 s1_2 s1_1 s1_0
+ "movq (%1) ,%%mm1\n" // s2_7 s2_6 s2_5 s2_4 s2_3 s2_2 s2_1 s2_0
+ "movq %%mm0 ,%%mm4\n" // s1_7 s1_6 s1_5 s1_4 s1_3 s1_2 s1_1 s1_0
+ "movq %%mm1 ,%%mm5\n" // s2_7 s2_6 s2_5 s2_4 s2_3 s2_2 s2_1 s2_0
+ "punpckhbw %%mm2 ,%%mm0\n" // 0 s1_7 0 s1_6 0 s1_5 0 s1_4
+ "punpckhbw %%mm3 ,%%mm1\n" // 0 s2_7 0 s2_6 0 s2_5 0 s2_4
+ "punpcklbw %%mm2 ,%%mm4\n" // 0 s1_3 0 s1_2 0 s1_1 0 s1_0
+ "punpcklbw %%mm3 ,%%mm5\n" // 0 s2_3 0 s2_2 0 s2_1 0 s2_0
+ "paddusw %%mm4 ,%%mm5\n" // mm5=s1_0..3 + s2_0..3
+ "paddusw %%mm0 ,%%mm1\n" // mm1=s1_4..7 + s2_4..7
+ "paddusw %%mm6 ,%%mm5\n" // mm5=mm5 + 1
+ "paddusw %%mm6 ,%%mm1\n" // mm1=mm1 + 1
+ "psraw $1 ,%%mm1\n" // mm1=mm1/2
+ "psraw $1 ,%%mm5\n" // mm5=mm5/2
+ "movq (%2) ,%%mm0\n" // s33h s33l s32h s32l s31l s31h s30h s30l
+ "movq 8(%2) ,%%mm4\n" // s37h s37l s36h s36l s35l s35h s34h s34l
+ "paddw %%mm0 ,%%mm5\n" // mm5=mm5 + s3_0..3
+ "paddw %%mm4 ,%%mm1\n" // mm1=mm1 + s3_4..7
+ "packuswb %%mm1 ,%%mm5\n" // cm[...]
+ "movq %%mm5 ,(%3)\n" // wrote out
+ "leal (%0,%4), %0\n" // source1+=inc
+ "leal (%1,%4), %1\n" // source2+=inc
+ "addl $16 ,%2 \n" // source3+8
+ "leal (%3,%4), %3\n" // dest+=inc
+ "decl %5\n"
+ "jnz 1b\n"
+ :
+ : "r"(source1), "r"(source2), "r"(source3),
+ "r"(dest),"r"(inc),"m"(rr)
+ );
+}
+
+
+#endif
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