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.dg/] [var-expand1.c] - Blame information for rev 307

Go to most recent revision | Details | Compare with Previous | View Log


/* { dg-do compile } */
/* We don't (and don't want to) perform this optimisation on soft-float
   targets, where each addition is a library call.  */
/* { dg-require-effective-target hard_float } */
/* { dg-options "-O2 -funroll-loops --fast-math -fvariable-expansion-in-unroller -fdump-rtl-loop2_unroll" } */
 
extern void abort (void);
 
float array[10] = { 1,2,3,4,5,6,7,8,9,10 };
 
int foo (int n)
{
  unsigned i;
  float accum = 1.0;
 
  for (i = 0; i < n; i++)
    accum += array[i];
 
  return accum;
}
 
int main (void)
{
  return foo (10);
}
 
/* { dg-final { scan-rtl-dump "Expanding Accumulator" "loop2_unroll" } } */
/* { dg-final { cleanup-rtl-dump "loop*" } } */

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* { dg-do compile } */`
2			`/* We don't (and don't want to) perform this optimisation on soft-float`
3			`targets, where each addition is a library call. */`
4			`/* { dg-require-effective-target hard_float } */`
5			`/* { dg-options "-O2 -funroll-loops --fast-math -fvariable-expansion-in-unroller -fdump-rtl-loop2_unroll" } */`
6
7			`extern void abort (void);`
8
9			`float array[10] = { 1,2,3,4,5,6,7,8,9,10 };`
10
11			`int foo (int n)`
12			`{`
13			`unsigned i;`
14			`float accum = 1.0;`
15
16			`for (i = 0; i < n; i++)`
17			`accum += array[i];`
18
19			`return accum;`
20			`}`
21
22			`int main (void)`
23			`{`
24			`return foo (10);`
25			`}`
26
27			`/* { dg-final { scan-rtl-dump "Expanding Accumulator" "loop2_unroll" } } */`
28			`/* { dg-final { cleanup-rtl-dump "loop" } } /`

Browse

Tools

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [var-expand1.c] - Blame information for rev 307