Move PS2 MMI code below the mips subdirectory, where it belongs.

Also give a more suitable name to the MMI-optimized IDCT;
it is not PS2-specific, as the name currently suggests.

1 files changed, 179 insertions, 0 deletions

diff --git a/libavcodec/mips/mmi.h b/libavcodec/mips/mmi.h
new file mode 100644
index 0000000000..48f2778809
--- /dev/null
+++ b/libavcodec/mips/mmi.h
@@ -0,0 +1,179 @@
+/*
+ * copyright (c) 2002 Leon van Stuivenberg
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_MIPS_MMI_H
+#define AVCODEC_MIPS_MMI_H
+
+#include <stdint.h>
+
+#include "libavcodec/dsputil.h"
+
+void ff_mmi_idct_put(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_mmi_idct_add(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_mmi_idct(DCTELEM *block);
+
+#define align16 __attribute__ ((aligned (16)))
+
+/*
+#define r0 $zero
+#define r1 $at          //assembler!
+#define r2 $v0          //return
+#define r3 $v1          //return
+#define r4 $a0          //arg
+#define r5 $a1          //arg
+#define r6 $a2          //arg
+#define r7 $a3          //arg
+#define r8 $t0          //temp
+#define r9 $t1          //temp
+#define r10 $t2         //temp
+#define r11 $t3         //temp
+#define r12 $t4         //temp
+#define r13 $t5         //temp
+#define r14 $t6         //temp
+#define r15 $t7         //temp
+#define r16 $s0         //saved temp
+#define r17 $s1         //saved temp
+#define r18 $s2         //saved temp
+#define r19 $s3         //saved temp
+#define r20 $s4         //saved temp
+#define r21 $s5         //saved temp
+#define r22 $s6         //saved temp
+#define r23 $s7         //saved temp
+#define r24 $t8         //temp
+#define r25 $t9         //temp
+#define r26 $k0         //kernel
+#define r27 $k1         //kernel
+#define r28 $gp         //global ptr
+#define r29 $sp         //stack ptr
+#define r30 $fp         //frame ptr
+#define r31 $ra         //return addr
+*/
+
+
+#define         lq(base, off, reg)        \
+        __asm__ volatile ("lq " #reg ", %0("#base ")" : : "i" (off) )
+
+#define         lq2(mem, reg)        \
+        __asm__ volatile ("lq " #reg ", %0" : : "r" (mem))
+
+#define         sq(reg, off, base)        \
+        __asm__ volatile ("sq " #reg ", %0("#base ")" : : "i" (off) )
+
+/*
+#define         ld(base, off, reg)        \
+        __asm__ volatile ("ld " #reg ", " #off "("#base ")")
+*/
+
+#define         ld3(base, off, reg)        \
+        __asm__ volatile (".word %0" : : "i" ( 0xdc000000 | (base<<21) | (reg<<16) | (off)))
+
+#define         ldr3(base, off, reg)        \
+        __asm__ volatile (".word %0" : : "i" ( 0x6c000000 | (base<<21) | (reg<<16) | (off)))
+
+#define         ldl3(base, off, reg)        \
+        __asm__ volatile (".word %0" : : "i" ( 0x68000000 | (base<<21) | (reg<<16) | (off)))
+
+/*
+#define         sd(reg, off, base)        \
+        __asm__ volatile ("sd " #reg ", " #off "("#base ")")
+*/
+//seems assembler has bug encoding mnemonic 'sd', so DIY
+#define         sd3(reg, off, base)        \
+        __asm__ volatile (".word %0" : : "i" ( 0xfc000000 | (base<<21) | (reg<<16) | (off)))
+
+#define         sw(reg, off, base)        \
+        __asm__ volatile ("sw " #reg ", " #off "("#base ")")
+
+#define         sq2(reg, mem)        \
+        __asm__ volatile ("sq " #reg ", %0" : : "m" (*(mem)))
+
+#define         pinth(rs, rt, rd) \
+        __asm__ volatile ("pinth  " #rd ", " #rs ", " #rt )
+
+#define         phmadh(rs, rt, rd) \
+        __asm__ volatile ("phmadh " #rd ", " #rs ", " #rt )
+
+#define         pcpyud(rs, rt, rd) \
+        __asm__ volatile ("pcpyud " #rd ", " #rs ", " #rt )
+
+#define         pcpyld(rs, rt, rd) \
+        __asm__ volatile ("pcpyld " #rd ", " #rs ", " #rt )
+
+#define         pcpyh(rt, rd) \
+        __asm__ volatile ("pcpyh  " #rd ", " #rt )
+
+#define         paddw(rs, rt, rd) \
+        __asm__ volatile ("paddw  " #rd ", " #rs ", " #rt )
+
+#define         pextlw(rs, rt, rd) \
+        __asm__ volatile ("pextlw " #rd ", " #rs ", " #rt )
+
+#define         pextuw(rs, rt, rd) \
+        __asm__ volatile ("pextuw " #rd ", " #rs ", " #rt )
+
+#define         pextlh(rs, rt, rd) \
+        __asm__ volatile ("pextlh " #rd ", " #rs ", " #rt )
+
+#define         pextuh(rs, rt, rd) \
+        __asm__ volatile ("pextuh " #rd ", " #rs ", " #rt )
+
+#define         psubw(rs, rt, rd) \
+        __asm__ volatile ("psubw  " #rd ", " #rs ", " #rt )
+
+#define         psraw(rt, sa, rd) \
+        __asm__ volatile ("psraw  " #rd ", " #rt ", %0" : : "i"(sa) )
+
+#define         ppach(rs, rt, rd) \
+        __asm__ volatile ("ppach  " #rd ", " #rs ", " #rt )
+
+#define         ppacb(rs, rt, rd) \
+        __asm__ volatile ("ppacb  " #rd ", " #rs ", " #rt )
+
+#define         prevh(rt, rd) \
+        __asm__ volatile ("prevh  " #rd ", " #rt )
+
+#define         pmulth(rs, rt, rd) \
+        __asm__ volatile ("pmulth " #rd ", " #rs ", " #rt )
+
+#define         pmaxh(rs, rt, rd) \
+        __asm__ volatile ("pmaxh " #rd ", " #rs ", " #rt )
+
+#define         pminh(rs, rt, rd) \
+        __asm__ volatile ("pminh " #rd ", " #rs ", " #rt )
+
+#define         pinteh(rs, rt, rd) \
+        __asm__ volatile ("pinteh  " #rd ", " #rs ", " #rt )
+
+#define         paddh(rs, rt, rd) \
+        __asm__ volatile ("paddh  " #rd ", " #rs ", " #rt )
+
+#define         psubh(rs, rt, rd) \
+        __asm__ volatile ("psubh  " #rd ", " #rs ", " #rt )
+
+#define         psrah(rt, sa, rd) \
+        __asm__ volatile ("psrah  " #rd ", " #rt ", %0" : : "i"(sa) )
+
+#define         pmfhl_uw(rd) \
+        __asm__ volatile ("pmfhl.uw  " #rd)
+
+#define         pextlb(rs, rt, rd) \
+        __asm__ volatile ("pextlb  " #rd ", " #rs ", " #rt )
+
+#endif /* AVCODEC_MIPS_MMI_H */