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authorMartin Storsjö <martin@martin.st>2013-04-23 23:35:14 +0300
committerMartin Storsjö <martin@martin.st>2013-04-25 23:03:09 +0300
commit74685f6783e77f2545d48bd2124945ad5be39982 (patch)
tree824949e4dbd4e68895aaa4bf6c27430a23f2c2c5 /libavcodec/x86/rnd_template.c
parentc2cb01d418dd18e1cf997c038d37378d773121be (diff)
x86: Rename dsputil_rnd_template.c to rnd_template.c
This makes it less confusing when this template is shared both by dsputil and by hpeldsp. Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec/x86/rnd_template.c')
-rw-r--r--libavcodec/x86/rnd_template.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/libavcodec/x86/rnd_template.c b/libavcodec/x86/rnd_template.c
new file mode 100644
index 0000000000..2ff77d7579
--- /dev/null
+++ b/libavcodec/x86/rnd_template.c
@@ -0,0 +1,224 @@
+/*
+ * DSP utils mmx functions are compiled twice for rnd/no_rnd
+ * Copyright (c) 2000, 2001 Fabrice Bellard
+ * Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
+ * mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
+ * and improved by Zdenek Kabelac <kabi@users.sf.net>
+ *
+ * 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
+ */
+
+// put_pixels
+static void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
+{
+ MOVQ_ZERO(mm7);
+ SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
+ __asm__ volatile(
+ "movq (%1), %%mm0 \n\t"
+ "movq 1(%1), %%mm4 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "movq %%mm4, %%mm5 \n\t"
+ "punpcklbw %%mm7, %%mm0 \n\t"
+ "punpcklbw %%mm7, %%mm4 \n\t"
+ "punpckhbw %%mm7, %%mm1 \n\t"
+ "punpckhbw %%mm7, %%mm5 \n\t"
+ "paddusw %%mm0, %%mm4 \n\t"
+ "paddusw %%mm1, %%mm5 \n\t"
+ "xor %%"REG_a", %%"REG_a" \n\t"
+ "add %3, %1 \n\t"
+ ".p2align 3 \n\t"
+ "1: \n\t"
+ "movq (%1, %%"REG_a"), %%mm0 \n\t"
+ "movq 1(%1, %%"REG_a"), %%mm2 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "movq %%mm2, %%mm3 \n\t"
+ "punpcklbw %%mm7, %%mm0 \n\t"
+ "punpcklbw %%mm7, %%mm2 \n\t"
+ "punpckhbw %%mm7, %%mm1 \n\t"
+ "punpckhbw %%mm7, %%mm3 \n\t"
+ "paddusw %%mm2, %%mm0 \n\t"
+ "paddusw %%mm3, %%mm1 \n\t"
+ "paddusw %%mm6, %%mm4 \n\t"
+ "paddusw %%mm6, %%mm5 \n\t"
+ "paddusw %%mm0, %%mm4 \n\t"
+ "paddusw %%mm1, %%mm5 \n\t"
+ "psrlw $2, %%mm4 \n\t"
+ "psrlw $2, %%mm5 \n\t"
+ "packuswb %%mm5, %%mm4 \n\t"
+ "movq %%mm4, (%2, %%"REG_a") \n\t"
+ "add %3, %%"REG_a" \n\t"
+
+ "movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
+ "movq 1(%1, %%"REG_a"), %%mm4 \n\t"
+ "movq %%mm2, %%mm3 \n\t"
+ "movq %%mm4, %%mm5 \n\t"
+ "punpcklbw %%mm7, %%mm2 \n\t"
+ "punpcklbw %%mm7, %%mm4 \n\t"
+ "punpckhbw %%mm7, %%mm3 \n\t"
+ "punpckhbw %%mm7, %%mm5 \n\t"
+ "paddusw %%mm2, %%mm4 \n\t"
+ "paddusw %%mm3, %%mm5 \n\t"
+ "paddusw %%mm6, %%mm0 \n\t"
+ "paddusw %%mm6, %%mm1 \n\t"
+ "paddusw %%mm4, %%mm0 \n\t"
+ "paddusw %%mm5, %%mm1 \n\t"
+ "psrlw $2, %%mm0 \n\t"
+ "psrlw $2, %%mm1 \n\t"
+ "packuswb %%mm1, %%mm0 \n\t"
+ "movq %%mm0, (%2, %%"REG_a") \n\t"
+ "add %3, %%"REG_a" \n\t"
+
+ "subl $2, %0 \n\t"
+ "jnz 1b \n\t"
+ :"+g"(h), "+S"(pixels)
+ :"D"(block), "r"((x86_reg)line_size)
+ :REG_a, "memory");
+}
+
+// avg_pixels
+#ifndef NO_RND
+// in case more speed is needed - unroling would certainly help
+static void DEF(avg, pixels8)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
+{
+ MOVQ_BFE(mm6);
+ JUMPALIGN();
+ do {
+ __asm__ volatile(
+ "movq %0, %%mm0 \n\t"
+ "movq %1, %%mm1 \n\t"
+ OP_AVG(%%mm0, %%mm1, %%mm2, %%mm6)
+ "movq %%mm2, %0 \n\t"
+ :"+m"(*block)
+ :"m"(*pixels)
+ :"memory");
+ pixels += line_size;
+ block += line_size;
+ }
+ while (--h);
+}
+#endif /* NO_RND */
+
+static void DEF(avg, pixels16)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
+{
+ MOVQ_BFE(mm6);
+ JUMPALIGN();
+ do {
+ __asm__ volatile(
+ "movq %0, %%mm0 \n\t"
+ "movq %1, %%mm1 \n\t"
+ OP_AVG(%%mm0, %%mm1, %%mm2, %%mm6)
+ "movq %%mm2, %0 \n\t"
+ "movq 8%0, %%mm0 \n\t"
+ "movq 8%1, %%mm1 \n\t"
+ OP_AVG(%%mm0, %%mm1, %%mm2, %%mm6)
+ "movq %%mm2, 8%0 \n\t"
+ :"+m"(*block)
+ :"m"(*pixels)
+ :"memory");
+ pixels += line_size;
+ block += line_size;
+ }
+ while (--h);
+}
+
+// this routine is 'slightly' suboptimal but mostly unused
+static void DEF(avg, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
+{
+ MOVQ_ZERO(mm7);
+ SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
+ __asm__ volatile(
+ "movq (%1), %%mm0 \n\t"
+ "movq 1(%1), %%mm4 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "movq %%mm4, %%mm5 \n\t"
+ "punpcklbw %%mm7, %%mm0 \n\t"
+ "punpcklbw %%mm7, %%mm4 \n\t"
+ "punpckhbw %%mm7, %%mm1 \n\t"
+ "punpckhbw %%mm7, %%mm5 \n\t"
+ "paddusw %%mm0, %%mm4 \n\t"
+ "paddusw %%mm1, %%mm5 \n\t"
+ "xor %%"REG_a", %%"REG_a" \n\t"
+ "add %3, %1 \n\t"
+ ".p2align 3 \n\t"
+ "1: \n\t"
+ "movq (%1, %%"REG_a"), %%mm0 \n\t"
+ "movq 1(%1, %%"REG_a"), %%mm2 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "movq %%mm2, %%mm3 \n\t"
+ "punpcklbw %%mm7, %%mm0 \n\t"
+ "punpcklbw %%mm7, %%mm2 \n\t"
+ "punpckhbw %%mm7, %%mm1 \n\t"
+ "punpckhbw %%mm7, %%mm3 \n\t"
+ "paddusw %%mm2, %%mm0 \n\t"
+ "paddusw %%mm3, %%mm1 \n\t"
+ "paddusw %%mm6, %%mm4 \n\t"
+ "paddusw %%mm6, %%mm5 \n\t"
+ "paddusw %%mm0, %%mm4 \n\t"
+ "paddusw %%mm1, %%mm5 \n\t"
+ "psrlw $2, %%mm4 \n\t"
+ "psrlw $2, %%mm5 \n\t"
+ "movq (%2, %%"REG_a"), %%mm3 \n\t"
+ "packuswb %%mm5, %%mm4 \n\t"
+ "pcmpeqd %%mm2, %%mm2 \n\t"
+ "paddb %%mm2, %%mm2 \n\t"
+ OP_AVG(%%mm3, %%mm4, %%mm5, %%mm2)
+ "movq %%mm5, (%2, %%"REG_a") \n\t"
+ "add %3, %%"REG_a" \n\t"
+
+ "movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
+ "movq 1(%1, %%"REG_a"), %%mm4 \n\t"
+ "movq %%mm2, %%mm3 \n\t"
+ "movq %%mm4, %%mm5 \n\t"
+ "punpcklbw %%mm7, %%mm2 \n\t"
+ "punpcklbw %%mm7, %%mm4 \n\t"
+ "punpckhbw %%mm7, %%mm3 \n\t"
+ "punpckhbw %%mm7, %%mm5 \n\t"
+ "paddusw %%mm2, %%mm4 \n\t"
+ "paddusw %%mm3, %%mm5 \n\t"
+ "paddusw %%mm6, %%mm0 \n\t"
+ "paddusw %%mm6, %%mm1 \n\t"
+ "paddusw %%mm4, %%mm0 \n\t"
+ "paddusw %%mm5, %%mm1 \n\t"
+ "psrlw $2, %%mm0 \n\t"
+ "psrlw $2, %%mm1 \n\t"
+ "movq (%2, %%"REG_a"), %%mm3 \n\t"
+ "packuswb %%mm1, %%mm0 \n\t"
+ "pcmpeqd %%mm2, %%mm2 \n\t"
+ "paddb %%mm2, %%mm2 \n\t"
+ OP_AVG(%%mm3, %%mm0, %%mm1, %%mm2)
+ "movq %%mm1, (%2, %%"REG_a") \n\t"
+ "add %3, %%"REG_a" \n\t"
+
+ "subl $2, %0 \n\t"
+ "jnz 1b \n\t"
+ :"+g"(h), "+S"(pixels)
+ :"D"(block), "r"((x86_reg)line_size)
+ :REG_a, "memory");
+}
+
+//FIXME optimize
+static void DEF(put, pixels16_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){
+ DEF(put, pixels8_xy2)(block , pixels , line_size, h);
+ DEF(put, pixels8_xy2)(block+8, pixels+8, line_size, h);
+}
+
+static void DEF(avg, pixels16_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){
+ DEF(avg, pixels8_xy2)(block , pixels , line_size, h);
+ DEF(avg, pixels8_xy2)(block+8, pixels+8, line_size, h);
+}