[FFmpeg-devel] [PATCH 09/11] avcodec/mips: loongson optimize blockdsp with mmi v2
周晓勇
ipfootball at 126.com
Tue May 17 13:14:24 CEST 2016
avcodec/mips/blockdsp_mmi: Version 2 of the optimizations for loongson mmi
1. no longer use the register names directly and optimized code format
2. to be compatible with O32, specify type of address variable with mips_reg and handle the address variable with PTR_ operator
在 2016-05-13 18:06:56，"周晓勇" <ipfootball at 126.com> 写道：
From 9e5ade4c99eb23f72a89f0054f8b5626c9acceb3 Mon Sep 17 00:00:00 2001
From: ZhouXiaoyong <zhouxiaoyong at loongson.cn>
Date: Fri, 13 May 2016 14:30:10 +0800
Subject: [PATCH 09/11] avcodec/mips: loongson optimize blockdsp with mmi v2
---
libavcodec/mips/blockdsp_mmi.c | 195 ++++++++++++++++++++++-------------------
1 file changed, 103 insertions(+), 92 deletions(-)
diff --git a/libavcodec/mips/blockdsp_mmi.c b/libavcodec/mips/blockdsp_mmi.c
index 63eaf69..6eb2bd7 100644
--- a/libavcodec/mips/blockdsp_mmi.c
+++ b/libavcodec/mips/blockdsp_mmi.c
@@ -22,126 +22,137 @@
*/
#include "blockdsp_mips.h"
+#include "libavutil/mips/asmdefs.h"
void ff_fill_block16_mmi(uint8_t *block, uint8_t value, int line_size, int h)
{
+ double ftmp[1];
+
__asm__ volatile (
- "move $8, %3 \r\n"
- "move $9, %0 \r\n"
- "dmtc1 %1, $f2 \r\n"
- "punpcklbh $f2, $f2, $f2 \r\n"
- "punpcklbh $f2, $f2, $f2 \r\n"
- "punpcklbh $f2, $f2, $f2 \r\n"
- "1: \r\n"
- "gssdlc1 $f2, 7($9) \r\n"
- "gssdrc1 $f2, 0($9) \r\n"
- "gssdlc1 $f2, 15($9) \r\n"
- "gssdrc1 $f2, 8($9) \r\n"
- "daddi $8, $8, -1 \r\n"
- "daddu $9, $9, %2 \r\n"
- "bnez $8, 1b \r\n"
- ::"r"(block),"r"(value),"r"(line_size),"r"(h)
- : "$8","$9"
+ "mtc1 %[value], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "1: \n\t"
+ "gssdlc1 %[ftmp0], 0x07(%[block]) \n\t"
+ "gssdrc1 %[ftmp0], 0x00(%[block]) \n\t"
+ PTR_ADDI "%[h], %[h], -0x01 \n\t"
+ "gssdlc1 %[ftmp0], 0x0f(%[block]) \n\t"
+ "gssdrc1 %[ftmp0], 0x08(%[block]) \n\t"
+ PTR_ADDU "%[block], %[block], %[line_size] \n\t"
+ "bnez %[h], 1b \n\t"
+ : [block]"+&r"(block), [h]"+&r"(h),
+ [ftmp0]"=&f"(ftmp[0])
+ : [value]"r"(value), [line_size]"r"((mips_reg)line_size)
+ : "memory"
);
}
void ff_fill_block8_mmi(uint8_t *block, uint8_t value, int line_size, int h)
{
+ double ftmp0;
+
__asm__ volatile (
- "move $8, %3 \r\n"
- "move $9, %0 \r\n"
- "dmtc1 %1, $f2 \r\n"
- "punpcklbh $f2, $f2, $f2 \r\n"
- "punpcklbh $f2, $f2, $f2 \r\n"
- "punpcklbh $f2, $f2, $f2 \r\n"
- "1: \r\n"
- "gssdlc1 $f2, 7($9) \r\n"
- "gssdrc1 $f2, 0($9) \r\n"
- "daddi $8, $8, -1 \r\n"
- "daddu $9, $9, %2 \r\n"
- "bnez $8, 1b \r\n"
- ::"r"(block),"r"(value),"r"(line_size),"r"(h)
- : "$8","$9"
+ "mtc1 %[value], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "1: \n\t"
+ "gssdlc1 %[ftmp0], 0x07(%[block]) \n\t"
+ "gssdrc1 %[ftmp0], 0x00(%[block]) \n\t"
+ PTR_ADDI "%[h], %[h], -0x01 \n\t"
+ PTR_ADDU "%[block], %[block], %[line_size] \n\t"
+ "bnez %[h], 1b \n\t"
+ : [block]"+&r"(block), [h]"+&r"(h),
+ [ftmp0]"=&f"(ftmp0)
+ : [value]"r"(value), [line_size]"r"((mips_reg)line_size)
+ : "memory"
);
}
void ff_clear_block_mmi(int16_t *block)
{
+ double ftmp[2];
+
__asm__ volatile (
- "xor $f0, $f0, $f0 \r\n"
- "xor $f2, $f2, $f2 \r\n"
- "gssqc1 $f0, $f2, 0(%0) \r\n"
- "gssqc1 $f0, $f2, 16(%0) \r\n"
- "gssqc1 $f0, $f2, 32(%0) \r\n"
- "gssqc1 $f0, $f2, 48(%0) \r\n"
- "gssqc1 $f0, $f2, 64(%0) \r\n"
- "gssqc1 $f0, $f2, 80(%0) \r\n"
- "gssqc1 $f0, $f2, 96(%0) \r\n"
- "gssqc1 $f0, $f2, 112(%0) \r\n"
- ::"r"(block)
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "xor %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x00(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x10(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x20(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x30(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x40(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x50(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x60(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x70(%[block]) \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1])
+ : [block]"r"(block)
: "memory"
);
}
void ff_clear_blocks_mmi(int16_t *block)
{
+ double ftmp[2];
+
__asm__ volatile (
- "xor $f0, $f0, $f0 \r\n"
- "xor $f2, $f2, $f2 \r\n"
- "gssqc1 $f0, $f2, 0(%0) \r\n"
- "gssqc1 $f0, $f2, 16(%0) \r\n"
- "gssqc1 $f0, $f2, 32(%0) \r\n"
- "gssqc1 $f0, $f2, 48(%0) \r\n"
- "gssqc1 $f0, $f2, 64(%0) \r\n"
- "gssqc1 $f0, $f2, 80(%0) \r\n"
- "gssqc1 $f0, $f2, 96(%0) \r\n"
- "gssqc1 $f0, $f2, 112(%0) \r\n"
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "xor %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x00(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x10(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x20(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x30(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x40(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x50(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x60(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x70(%[block]) \n\t"
- "gssqc1 $f0, $f2, 128(%0) \r\n"
- "gssqc1 $f0, $f2, 144(%0) \r\n"
- "gssqc1 $f0, $f2, 160(%0) \r\n"
- "gssqc1 $f0, $f2, 176(%0) \r\n"
- "gssqc1 $f0, $f2, 192(%0) \r\n"
- "gssqc1 $f0, $f2, 208(%0) \r\n"
- "gssqc1 $f0, $f2, 224(%0) \r\n"
- "gssqc1 $f0, $f2, 240(%0) \r\n"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x80(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x90(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0xa0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0xb0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0xc0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0xd0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0xe0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0xf0(%[block]) \n\t"
- "gssqc1 $f0, $f2, 256(%0) \r\n"
- "gssqc1 $f0, $f2, 272(%0) \r\n"
- "gssqc1 $f0, $f2, 288(%0) \r\n"
- "gssqc1 $f0, $f2, 304(%0) \r\n"
- "gssqc1 $f0, $f2, 320(%0) \r\n"
- "gssqc1 $f0, $f2, 336(%0) \r\n"
- "gssqc1 $f0, $f2, 352(%0) \r\n"
- "gssqc1 $f0, $f2, 368(%0) \r\n"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x100(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x110(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x120(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x130(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x140(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x150(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x160(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x170(%[block]) \n\t"
- "gssqc1 $f0, $f2, 384(%0) \r\n"
- "gssqc1 $f0, $f2, 400(%0) \r\n"
- "gssqc1 $f0, $f2, 416(%0) \r\n"
- "gssqc1 $f0, $f2, 432(%0) \r\n"
- "gssqc1 $f0, $f2, 448(%0) \r\n"
- "gssqc1 $f0, $f2, 464(%0) \r\n"
- "gssqc1 $f0, $f2, 480(%0) \r\n"
- "gssqc1 $f0, $f2, 496(%0) \r\n"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x180(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x190(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x1a0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x1b0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x1c0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x1d0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x1e0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x1f0(%[block]) \n\t"
- "gssqc1 $f0, $f2, 512(%0) \r\n"
- "gssqc1 $f0, $f2, 528(%0) \r\n"
- "gssqc1 $f0, $f2, 544(%0) \r\n"
- "gssqc1 $f0, $f2, 560(%0) \r\n"
- "gssqc1 $f0, $f2, 576(%0) \r\n"
- "gssqc1 $f0, $f2, 592(%0) \r\n"
- "gssqc1 $f0, $f2, 608(%0) \r\n"
- "gssqc1 $f0, $f2, 624(%0) \r\n"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x200(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x210(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x220(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x230(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x240(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x250(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x260(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x270(%[block]) \n\t"
- "gssqc1 $f0, $f2, 640(%0) \r\n"
- "gssqc1 $f0, $f2, 656(%0) \r\n"
- "gssqc1 $f0, $f2, 672(%0) \r\n"
- "gssqc1 $f0, $f2, 688(%0) \r\n"
- "gssqc1 $f0, $f2, 704(%0) \r\n"
- "gssqc1 $f0, $f2, 720(%0) \r\n"
- "gssqc1 $f0, $f2, 736(%0) \r\n"
- "gssqc1 $f0, $f2, 752(%0) \r\n"
- ::"r"(block)
+ "gssqc1 %[ftmp0], %[ftmp1], 0x280(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x290(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x2a0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x2b0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x2c0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x2d0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x2e0(%[block]) \n\t"
+ "gssqc1 %[ftmp0], %[ftmp1], 0x2f0(%[block]) \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1])
+ : [block]"r"((mips_reg)block)
: "memory"
);
}
--
2.1.0
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