Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/tree-ssa/loadpre7.c @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
111
kono
parents:
diff changeset
1 /* { dg-do compile } */
kono
parents:
diff changeset
2 /* { dg-options "-O2 -fdump-tree-pre-stats" } */
kono
parents:
diff changeset
3 /* We can't eliminate the *p load here in any sane way, as eshup8 may
kono
parents:
diff changeset
4 change it. */
kono
parents:
diff changeset
5
kono
parents:
diff changeset
6 void eshup8 (unsigned short *);
kono
parents:
diff changeset
7
kono
parents:
diff changeset
8 void
kono
parents:
diff changeset
9 enormlz (x)
kono
parents:
diff changeset
10 unsigned short x[];
kono
parents:
diff changeset
11 {
kono
parents:
diff changeset
12 register unsigned short *p;
kono
parents:
diff changeset
13 p = &x[2];
kono
parents:
diff changeset
14 while ((*p & 0xff00) == 0)
kono
parents:
diff changeset
15 {
kono
parents:
diff changeset
16 eshup8 (x);
kono
parents:
diff changeset
17 }
kono
parents:
diff changeset
18 }
kono
parents:
diff changeset
19 /* { dg-final { scan-tree-dump-not "Eliminated:" "pre"} } */