[Bug middle-end/55198] [4.8 Regression] libquadmath/math/fmaq.c:233:7: internal compiler error

2013-01-02 Thread danglin at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



--- Comment #8 from John David Anglin danglin at gcc dot gnu.org 2013-01-02 
21:14:22 UTC ---

Author: danglin

Date: Wed Jan  2 21:14:13 2013

New Revision: 194822



URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=194822

Log:

PR middle-end/55198

* expr.c (expand_expr_real_1): Don't use bitfield extraction for non

BLKmode objects when EXPAND_MEMORY is specified.





Modified:

trunk/gcc/ChangeLog

trunk/gcc/expr.c

[Bug middle-end/55198] [4.8 Regression] libquadmath/math/fmaq.c:233:7: internal compiler error

2013-01-02 Thread jakub at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



Jakub Jelinek jakub at gcc dot gnu.org changed:



   What|Removed |Added



 Status|NEW |RESOLVED

 CC||jakub at gcc dot gnu.org

 Resolution||FIXED



--- Comment #9 from Jakub Jelinek jakub at gcc dot gnu.org 2013-01-02 
21:17:01 UTC ---

Assuming fixed.

[Bug middle-end/55198] [4.8 Regression] libquadmath/math/fmaq.c:233:7: internal compiler error

2012-12-31 Thread pinskia at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



Andrew Pinski pinskia at gcc dot gnu.org changed:



   What|Removed |Added



   Keywords||build, ice-on-valid-code,

   ||patch

 Status|UNCONFIRMED |NEW

URL||http://gcc.gnu.org/ml/gcc-p

   ||atches/2012-12/msg00042.htm

   ||l

   Last reconfirmed|2012-11-20 00:00:00 |2012-12-31

 Ever Confirmed|0   |1



--- Comment #7 from Andrew Pinski pinskia at gcc dot gnu.org 2012-12-31 
09:43:03 UTC ---

Confirmed.

[Bug middle-end/55198] [4.8 Regression] libquadmath/math/fmaq.c:233:7: internal compiler error

2012-12-07 Thread rguenth at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



Richard Biener rguenth at gcc dot gnu.org changed:



   What|Removed |Added



   Priority|P3  |P1

[Bug middle-end/55198] [4.8 Regression] libquadmath/math/fmaq.c:233:7: internal compiler error

2012-12-07 Thread danglin at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



--- Comment #6 from John David Anglin danglin at gcc dot gnu.org 2012-12-07 
14:47:55 UTC ---

Patch is here:

http://gcc.gnu.org/ml/gcc-patches/2012-12/msg00042.html

[Bug middle-end/55198] [4.8 Regression] libquadmath/math/fmaq.c:233:7: internal compiler error

2012-11-22 Thread danglin at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



--- Comment #4 from John David Anglin danglin at gcc dot gnu.org 2012-11-23 
00:39:12 UTC ---

Created attachment 28763

  -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28763

Testcase

[Bug middle-end/55198] [4.8 Regression] libquadmath/math/fmaq.c:233:7: internal compiler error

2012-11-22 Thread danglin at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



--- Comment #5 from John David Anglin danglin at gcc dot gnu.org 2012-11-23 
00:40:06 UTC ---

Created attachment 28764

  -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28764

Patch



Testing.

[Bug middle-end/55198] [4.8 Regression] libquadmath/math/fmaq.c:233:7: internal compiler error

2012-11-21 Thread danglin at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



--- Comment #3 from John David Anglin danglin at gcc dot gnu.org 2012-11-22 
03:13:32 UTC ---

In expand_expr_real:



(gdb) p debug_rtx (orig_op0)

(mem/c:BLK (plus:SI (reg/f:SI 91 virtual-stack-vars)

(const_int 48 [0x30])) [6 v+0 S16 A64])

$25 = 10

(gdb) p debug_rtx (op0) 

(mem/c:BLK (plus:SI (reg/f:SI 91 virtual-stack-vars)

(const_int 48 [0x30])) [6 v+0 S16 A64])

$26 = 10

(gdb) p mode1

$27 = TFmode

(gdb) p must_force_mem

$28 = 1

(gdb) p offset

$29 = (tree) 0x0

(gdb) p mode2

$30 = BLKmode

(gdb) p bitpos

$31 = 0

(gdb) p bitsize

$32 = 128

(gdb) p modifier

$41 = EXPAND_MEMORY

(gdb) p target

$42 = (rtx) 0x0

(gdb) p ext_mode

$43 = TFmode



(gdb) bt

#0 

_Z18expand_expr_real_1P9tree_nodeP7rtx_def12machine_mode15expand_modifierPS2_

(exp=0x7af2d2a0, target=0x0, tmode=VOIDmode, modifier=EXPAND_MEMORY, 

alt_rtl=0x0) at ../../gcc/gcc/expr.c:10006

#1  0x0045c3b8 in

_Z16expand_expr_realP9tree_nodeP7rtx_def12machine_mode15expand_modifierPS2_

(exp=0x7af2d2a0, target=0x0, tmode=VOIDmode, 

modifier=EXPAND_MEMORY, alt_rtl=0x0) at ../../gcc/gcc/expr.c:7816

#2  0x0092f538 in

_ZL11expand_exprP9tree_nodeP7rtx_def12machine_mode15expand_modifier

(exp=0x7af2d2a0, target=0x0, mode=VOIDmode, modifier=EXPAND_MEMORY)

at ../../gcc/gcc/expr.h:444

#3  0x00933588 in _ZL19expand_asm_operandsP9tree_nodeS0_S0_S0_S0_ij (

string=0x7af6cf78, outputs=0x0, inputs=0x7af2e288, clobbers=0x0, 

labels=0x0, vol=1, locus=2147483912) at ../../gcc/gcc/stmt.c:890

#4  0x00934698 in _Z15expand_asm_stmtP18gimple_statement_d (stmt=0x7af3c7e0)

at ../../gcc/gcc/stmt.c:1153

#5  0x0028ad94 in _ZL20expand_gimple_stmt_1P18gimple_statement_d (

stmt=0x7af3c7e0) at ../../gcc/gcc/cfgexpand.c:2150

#6  0x0028b554 in _ZL18expand_gimple_stmtP18gimple_statement_d (

stmt=0x7af3c7e0) at ../../gcc/gcc/cfgexpand.c:2305

#7  0x00292b8c in _ZL25expand_gimple_basic_blockP15basic_block_defb (

bb=0x7af42b00, disable_tail_calls=false) at ../../gcc/gcc/cfgexpand.c:4084

#8  0x00294ecc in gimple_expand_cfg() () at ../../gcc/gcc/cfgexpand.c:4603

#9  0x007ddd44 in _Z16execute_one_passP8opt_pass (

pass=0x40033b20 pass_expand) at ../../gcc/gcc/passes.c:2327

---Type return to continue, or q return to quit---

#10 0x007de108 in _Z17execute_pass_listP8opt_pass (

pass=0x40033b20 pass_expand) at ../../gcc/gcc/passes.c:2387

#11 0x002d6130 in _ZL15expand_functionP11cgraph_node (node=0x7aed22a0)

at ../../gcc/gcc/cgraphunit.c:1641

#12 0x002d6718 in _ZL20expand_all_functionsv ()

at ../../gcc/gcc/cgraphunit.c:1745

#13 0x002d7734 in _Z7compilev () at ../../gcc/gcc/cgraphunit.c:2043

#14 0x002d79ac in finalize_compilation_unit() ()

at ../../gcc/gcc/cgraphunit.c:2120

#15 0x00079300 in _Z27c_write_global_declarationsv ()

at ../../gcc/gcc/c/c-decl.c:10120

#16 0x00957404 in _ZL12compile_filev () at ../../gcc/gcc/toplev.c:559

#17 0x0095abbc in _ZL10do_compilev () at ../../gcc/gcc/toplev.c:1881

#18 0x0095aed0 in _Z11toplev_mainiPPc (argc=14, argv=0x7eff052c)

at ../../gcc/gcc/toplev.c:1957

#19 0x00dc62c4 in main (argc=14, argv=0x7eff052c) at ../../gcc/gcc/main.c:36

(gdb) c

Continuing.



Breakpoint 9,

_Z18expand_expr_real_1P9tree_nodeP7rtx_def12machine_mode15expand_modifierPS2_

(exp=0x7af2d2a0, target=0x0, tmode=VOIDmode, 

modifier=EXPAND_MEMORY, alt_rtl=0x0) at ../../gcc/gcc/expr.c:10011

10011if (TREE_CODE (type) == RECORD_TYPE  BYTES_BIG_ENDIAN

(gdb) p debug_rtx (op0)

(reg:TF 767)

$44 = 10



Think the problem is this asm operand is being treated as bitfield.

[Bug middle-end/55198] [4.8 Regression] libquadmath/math/fmaq.c:233:7: internal compiler error

2012-11-04 Thread dave.anglin at bell dot net 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



--- Comment #2 from dave.anglin at bell dot net 2012-11-05 00:20:16 UTC ---

On 3-Nov-12, at 10:38 PM, pinskia at gcc dot gnu.org wrote:



 Exposed as this is a change in the library and the compiler is  

 crashing with a

 valid input that the change introduced.





The ICE occurs because we get a TF mode REG instead of a MEM.



--

John David Anglindave.ang...@bell.net

[Bug middle-end/55198] [4.8 Regression] libquadmath/math/fmaq.c:233:7: internal compiler error

2012-11-03 Thread pinskia at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



Andrew Pinski pinskia at gcc dot gnu.org changed:



   What|Removed |Added



  Component|libquadmath |middle-end

   Target Milestone|--- |4.8.0



--- Comment #1 from Andrew Pinski pinskia at gcc dot gnu.org 2012-11-04 
02:38:37 UTC ---

Probably introduced by:



Exposed as this is a change in the library and the compiler is crashing with a

valid input that the change introduced.