[Bug optimization/14731] New: [tree-ssa] missed jump threading on the tree level
pinskia at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Thu Mar 25 06:51:00 GMT 2004
Some more missed jump threading on the tree level.
#ifdef __cplusplus
#define _Bool bool
#endif
int link_error(void);
int s(void);
int t(int i)
{
_Bool g = i == 4;
int h = g;
_Bool j = h;
int k = j;
_Bool l = k == 0;
_Bool o = !l;
int m = o;
if (m)
if (i != 4)
return link_error();
return 0;
}
--
Summary: [tree-ssa] missed jump threading on the tree level
Product: gcc
Version: tree-ssa
Status: UNCONFIRMED
Keywords: pessimizes-code
Severity: enhancement
Priority: P2
Component: optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pinskia at gcc dot gnu dot org
CC: gcc-bugs at gcc dot gnu dot org,law at gcc dot gnu dot
org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14731
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