URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [ssa-sccvn-4.c] - Diff between revs 298 and 338

Rev 298	Rev 338
`/* { dg-do compile } */`	`/* { dg-do compile } */`
`/* { dg-options "-O2 -fdump-tree-fre-stats" } */`	`/* { dg-options "-O2 -fdump-tree-fre-stats" } */`

`int vnum_test8(int *data)`	`int vnum_test8(int *data)`
`{`	`{`
`int i;`	`int i;`
`int stop = data[3];`	`int stop = data[3];`
`int m = data[4];`	`int m = data[4];`
`int n = m;`	`int n = m;`
`int p = 0;`	`int p = 0;`

`for (i=0; i<stop; i++) {`	`for (i=0; i<stop; i++) {`
`int k = data[2];`	`int k = data[2];`
`data[5] = 0;`	`data[5] = 0;`
`if (i < 30)`	`if (i < 30)`
`data[5] = m - n;`	`data[5] = m - n;`
`p = data[5];`	`p = data[5];`
`k = data[1];`	`k = data[1];`
`m = m + k;`	`m = m + k;`
`n = n + k;`	`n = n + k;`
`}`	`}`
`return p;`	`return p;`
`}`	`}`
`/* We should eliminate m - n, n + k, set data[5] = 0, eliminate the`	`/* We should eliminate m - n, n + k, set data[5] = 0, eliminate the`
`address arithmetic for data[5], and set p = 0.`	`address arithmetic for data[5], and set p = 0.`
`/* { dg-final { scan-tree-dump-times "Eliminated: 6" 1 "fre"} } */`	`/* { dg-final { scan-tree-dump-times "Eliminated: 6" 1 "fre"} } */`
`/* { dg-final { cleanup-tree-dump "fre" } } */`	`/* { dg-final { cleanup-tree-dump "fre" } } */`