OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [i386/] [pr37191.c] - Blame information for rev 318

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 318 jeremybenn
/* { dg-do compile } */
2
/* { dg-options "-O1 -mmmx" } */
3
/* { dg-skip-if "no stdint" { vxworks_kernel } } */
4
 
5
#include <mmintrin.h>
6
#include <stddef.h>
7
#include <stdint.h>
8
 
9
extern const uint64_t ff_bone;
10
 
11
static inline void transpose4x4(uint8_t *dst, uint8_t *src, ptrdiff_t dst_stride, ptrdiff_t src_stride) {
12
    __m64 row0 = _mm_cvtsi32_si64(*(unsigned*)(src + (0 * src_stride)));
13
    __m64 row1 = _mm_cvtsi32_si64(*(unsigned*)(src + (1 * src_stride)));
14
    __m64 row2 = _mm_cvtsi32_si64(*(unsigned*)(src + (2 * src_stride)));
15
    __m64 row3 = _mm_cvtsi32_si64(*(unsigned*)(src + (3 * src_stride)));
16
    __m64 tmp0 = _mm_unpacklo_pi8(row0, row1);
17
    __m64 tmp1 = _mm_unpacklo_pi8(row2, row3);
18
    __m64 row01 = _mm_unpacklo_pi16(tmp0, tmp1);
19
    __m64 row23 = _mm_unpackhi_pi16(tmp0, tmp1);
20
    *((unsigned*)(dst + (0 * dst_stride))) = _mm_cvtsi64_si32(row01);
21
    *((unsigned*)(dst + (1 * dst_stride))) = _mm_cvtsi64_si32(_mm_unpackhi_pi32(row01, row01));
22
    *((unsigned*)(dst + (2 * dst_stride))) = _mm_cvtsi64_si32(row23);
23
    *((unsigned*)(dst + (3 * dst_stride))) = _mm_cvtsi64_si32(_mm_unpackhi_pi32(row23, row23));
24
}
25
 
26
static inline void h264_loop_filter_chroma_intra_mmx2(uint8_t *pix, int stride, int alpha1, int beta1)
27
{
28
    asm volatile(
29
        ""
30
        :: "r"(pix-2*stride), "r"(pix), "r"((long)stride),
31
           "m"(alpha1), "m"(beta1), "m"(ff_bone)
32
    );
33
}
34
 
35
void h264_h_loop_filter_chroma_intra_mmx2(uint8_t *pix, int stride, int alpha, int beta)
36
{
37
 
38
    uint8_t trans[8*4] __attribute__ ((aligned (8)));
39
    transpose4x4(trans, pix-2, 8, stride);
40
    transpose4x4(trans+4, pix-2+4*stride, 8, stride);
41
    h264_loop_filter_chroma_intra_mmx2(trans+2*8, 8, alpha-1, beta-1);
42
    transpose4x4(pix-2, trans, stride, 8);
43
    transpose4x4(pix-2+4*stride, trans+4, stride, 8);
44
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.