File: complex-3.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 (26 lines) | stat: -rw-r--r-- 551 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
 
/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-optimized" } */

typedef _Complex float COMPLEX_FLOAT;
float real_part(COMPLEX_FLOAT a)
{
  return *(float*)(&a);
}

float real_part_2(COMPLEX_FLOAT a)
{
  return ((float*)(&a))[0];
}


float imag_part(COMPLEX_FLOAT a)
{
  return ((float*)(&a))[1];
}

/* Test that the above gets optimized to REALPART_EXPR and IMAGPART_EXPR
   respectively. */

/* { dg-final { scan-tree-dump-times "REALPART_EXPR" 2 "optimized" } } */
/* { dg-final { scan-tree-dump-times "IMAGPART_EXPR" 1 "optimized" } } */