Sent from my iPhone
On Sep 7, 2008, at 9:47, "schwab at suse dot de" <[EMAIL PROTECTED]
> wrote:
This is broken during sched2 pass. Compiled with -m64 -O2.
lwz 10,1492(7) # nargs, <--- uninitialized
std 9,1272(7) # specpdl.19,
li 9,16 # iftmp.21,
std 3,1488(7) # nargs, nargs
std 4,1496(7) # args, args
cmpwi 7,10,3 #, tmp307,
Just looking at the assembler suggest an aliasing issue. I had a quick
look at the code but I did see anything would give an alaising issue.
Though there were some unions.
--
Summary: [4.3/4.4 regression] Invalid insn scheduling
Product: gcc
Version: 4.3.1
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: schwab at suse dot de
GCC target triplet: powerpc64-*-*
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37408