The following valid code snippet triggers an ICE on mainline and 4.3 branch
when compiled with -O:
============================================
void foo()
{
double x = 4, y;
__asm__ volatile ("" : "=r,r" (x), "=r,r" (y) : "%0,0" (x), "m,r" (8));
}
============================================
bug.c: In function 'void foo()':
bug.c:5: error: Failure trying to reload:
(nil)
bug.c:5: internal compiler error: in gen_reload, at reload1.c:8043
Please submit a full bug report, [etc.]
--
Summary: [4.3/4.4 regression] ICE with inline asm in reload
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, monitored
Severity: normal
Priority: P3
Component: inline-asm
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: reichelt at gcc dot gnu dot org
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35318
