[Bug debug/48853] [4.7 Regression] Wrong DWARF codegen when Pmode != ptr_mode

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48853

--- Comment #15 from H.J. Lu <hjl.tools at gmail dot com> 2011-05-04 19:55:15 UTC ---
(In reply to comment #14)
> (In reply to comment #13)
> > Created attachment 24184 [details]
> > gcc47-pr48853.patch
> > 
> > So like this?  CONST_DOUBLEs really shouldn't appear in the addresses...
> 
> It looks much better.  I am retesting everything now. Thanks.

Now I got

FAIL: gcc.dg/guality/inline-params.c  -O1  execution test
FAIL: gcc.dg/guality/pr43051-1.c  -O1  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr45882.c  -O1  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O1  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto -flto-partition=none  line 16 d ==
112
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto -flto-partition=none  line 16 e ==
142
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -O2  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O2  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -O3 -fomit-frame-pointer  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O3 -fomit-frame-pointer  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -O3 -g  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O3 -g  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -Os  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -Os  line 16 e == 142

It is much better.  Can we fix them? I merged revision 173210 with
x32 work, which is on hjl/x32/pr48853 branch at

http://git.kernel.org/?p=devel/gcc/hjl/x86.git;a=summary

You can build it on Linux/x86-64 and compare assembly outputs
from commit c27cd7a93c80ab39ef997f6ca447763f64e6a0bc and commit
84af042f2832c4b5fa5767a6169ed690bd5da301.