[Bug tree-optimization/56195] New: Error: incorrect register `%rdi' used with `l' suffix (at -O2)
antoine.balestrat at gmail dot com
gcc-bugzilla@gcc.gnu.org
Sun Feb 3 16:48:00 GMT 2013
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56195
Bug #: 56195
Summary: Error: incorrect register `%rdi' used with `l' suffix
(at -O2)
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: antoine.balestrat@gmail.com
Using GCC 4.8.0 as of 20130203 :
$ xgcc -v
Using built-in specs.
COLLECT_GCC=/home/merkil/gcc/dist/bin/gcc
COLLECT_LTO_WRAPPER=/home/merkil/gcc/dist/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../srcdir/configure CFLAGS='-O2 -pipe' CXXFLAGS='-O2 -pipe'
--enable-languages=c --prefix=/home/merkil/gcc/dist
Thread model: posix
gcc version 4.8.0 20130203 (experimental) (GCC)
$ cat reg.c
int i, a, t, b, c, d, e, f, j, *h;
void fn(void)
{
if(b)
{
int *p, *q;
char g;
if(f++)
for(;; e++);
lbl:
for(b = 0; b < 2; b++)
t /= d + 1 ? : i || a < c < (d = f) ? : 1 | (j = 2);
*p = g >= *q ^ c != a ^ *p;
if(!e)
{
q = p;
goto lbl;
}
}
if(h++)
goto lbl;
}
$ xgcc -O2 reg.c
{standard input}: Assembler messages:
{standard input}:112: Error: incorrect register `%rdi' used with `l' suffix
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