Examples where we could use mulli instead of li/mulld. The array indexing
example shows up in the bzip2 benchmark (when compiled with -m64).
Compiled with gcc -O2 -m64
struct S {
int i1,i2,i3,i4,i5,i6;
}s[10];
long test1(int j, long x)
{
s[j].i1 = 1;
return (x * 24);
}
--
Summary: Multiply-immediate opportunity
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: other
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at us dot ibm dot com
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: powerpc64-linux
GCC host triplet: powerpc64-linux
GCC target triplet: powerpc64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22068
