On Thu, Jul 23, 2015 at 12:29:14PM -0300, Alexandre Oliva wrote:
> Yeah. Thanks, I've tested it with this change, and I'm now checking
> this in (full patch first; adjusted incremental patch at the end):
Unfortunately it causes about a thousand test fails on powerpc64-linux
(at least, it seems to be this patch, I haven't actually checked).
Some representative backtraces:
/home/segher/src/gcc/gcc/testsuite/gcc.c-torture/compile/pr54713-1.c: In
function 'f1':
/home/segher/src/gcc/gcc/testsuite/gcc.c-torture/compile/pr54713-1.c:13:1:
internal compiler error: in expand_one_stack_var_1, at cfgexpand.c:1221
0x1030eae7 expand_one_stack_var_1
/home/segher/src/gcc/gcc/cfgexpand.c:1221
0x10320a23 expand_one_ssa_partition
/home/segher/src/gcc/gcc/cfgexpand.c:1295
0x10320a23 expand_used_vars
/home/segher/src/gcc/gcc/cfgexpand.c:1940
0x10322ea3 execute
/home/segher/src/gcc/gcc/cfgexpand.c:6084
/home/segher/src/gcc/gcc/testsuite/gcc.c-torture/compile/pr39928-1.c: In
function 'vq_nbest':
/home/segher/src/gcc/gcc/testsuite/gcc.c-torture/compile/pr39928-1.c:6:1:
internal compiler error: in emit_move_insn, at expr.c:3552
0x1046f587 emit_move_insn(rtx_def*, rtx_def*)
/home/segher/src/gcc/gcc/expr.c:3551
0x104daa67 assign_parm_setup_reg
/home/segher/src/gcc/gcc/function.c:3322
0x104dd063 assign_parms
/home/segher/src/gcc/gcc/function.c:3766
0x104e0aa7 expand_function_start(tree_node*)
/home/segher/src/gcc/gcc/function.c:5192
0x10322f07 execute
/home/segher/src/gcc/gcc/cfgexpand.c:6105
I have the full testsuite logs if you want them.
Segher
