[Bug rtl-optimization/43438] [4.3/4.4/4.5 Regression] possible wrong code bug

2010-03-20 Thread rguenth at gcc dot gnu dot org
--- Comment #8 from rguenth at gcc dot gnu dot org 2010-03-20 13:44 --- Subject: Bug 43438 Author: rguenth Date: Sat Mar 20 13:44:18 2010 New Revision: 157592 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157592 Log: 2010-03-20 Richard Guenther PR rtl-optimization/4

[Bug rtl-optimization/43438] [4.3/4.4/4.5 Regression] possible wrong code bug

2010-03-19 Thread rguenth at gcc dot gnu dot org
--- Comment #7 from rguenth at gcc dot gnu dot org 2010-03-19 12:40 --- make_extraction (mode=SImode, inner=0x75b48ac8, pos=0, pos_rtx=0x0, len=8, unsignedp=1, in_dest=0, in_compare=0) at /space/rguenther/src/svn/trunk/gcc/combine.c:6648 6648 enum machine_mode is_mode =

[Bug rtl-optimization/43438] [4.3/4.4/4.5 Regression] possible wrong code bug

2010-03-19 Thread rguenth at gcc dot gnu dot org
--- Comment #6 from rguenth at gcc dot gnu dot org 2010-03-19 12:06 --- Breakpoint 7, combine_simplify_rtx (x=0x75ae6e58, op0_mode=VOIDmode, in_dest=0) at /space/rguenther/src/svn/trunk/gcc/combine.c:4861 4861 enum rtx_code code = GET_CODE (x); (set (reg:SI 69) (and:SI

[Bug rtl-optimization/43438] [4.3/4.4/4.5 Regression] possible wrong code bug

2010-03-19 Thread rguenth at gcc dot gnu dot org
--- Comment #5 from rguenth at gcc dot gnu dot org 2010-03-19 11:35 --- It combines (insn 6 5 7 2 t.c:16 (parallel [ (set (reg:SI 59 [ D.2732 ]) (ior:SI (reg:SI 67 [ g_9 ]) (const_int 1 [0x1]))) (clobber (reg:CC 17 flags))

[Bug rtl-optimization/43438] [4.3/4.4/4.5 Regression] possible wrong code bug

2010-03-19 Thread rguenth at gcc dot gnu dot org
--- Comment #4 from rguenth at gcc dot gnu dot org 2010-03-19 11:29 --- Combine breaks this. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added Compo