File: pr44423.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (46 lines) | stat: -rw-r--r-- 919 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
/* { dg-options "-msse -O2 -fdump-tree-esra-details" } */

#include "xmmintrin.h"

typedef __m128 v4sf; // vector of 4 floats (SSE1)

#define ARRSZ 1024

typedef union {
  float f[4];
  v4sf  v;
} V4SF;

struct COLOUR {
  float r,g,b;
};

void func (float *pre1, float pre2, struct COLOUR *a, V4SF *lpic)
  {
  V4SF va;
  int y;
  va.f[0]=a->r;va.f[1]=a->g;va.f[2]=a->b;va.f[3]=0.f;
  for (y=0; y<20; ++y)
    {
    float att = pre1[y]*pre2;
    v4sf tmpatt=_mm_load1_ps(&att);
    tmpatt=_mm_mul_ps(tmpatt,va.v);
    lpic[y].v=_mm_add_ps(tmpatt,lpic[y].v);
    }
  }

int main()
  {
  V4SF lpic[ARRSZ];
  float pre1[ARRSZ];
  int i;
  struct COLOUR col={0.,2.,4.};
  for (i=0; i<20; ++i)
    pre1[i]=0.4;
  for (i=0;i<10000000;++i)
    func(&pre1[0],0.3,&col,&lpic[0]);
  return 0;
  }

/* { dg-final { scan-tree-dump-times "Created a replacement" 0 "esra"} } */