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* [Bug target/48808] New: ICE in spill_failure, at reload1.c:2113
@ 2011-04-28 17:14 rmansfield at qnx dot com
2011-05-03 11:00 ` [Bug target/48808] " ibolton at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: rmansfield at qnx dot com @ 2011-04-28 17:14 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48808
Summary: ICE in spill_failure, at reload1.c:2113
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: rmansfield@qnx.com
Host: i686-linux-gnu
Target: arm-unknown-linux-gnueabi
Build: i686-linux-gnu
Created attachment 24130
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24130
preprocessed source
$ ./xgcc -v
Using built-in specs.
COLLECT_GCC=./xgcc
Target: arm-unknown-linux-gnueabi
Configured with: ../configure --target=arm-unknown-linux-gnueabi
--prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi
--with-sysroot=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi//sys-root
--disable-multilib
--with-local-prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi/sys-root
--disable-nls --enable-threads=posix --enable-symvers=gnu --enable-c99
--enable-long-long --enable-target-optspace
target_alias=arm-unknown-linux-gnueabi --enable-languages=c++ --disable-shared
--disable-libmudflap --disable-libssp
Thread model: posix
gcc version 4.7.0 20110428 (experimental) [trunk revision 173114] (GCC)
$ ./xgcc -B. t.i -c -mfloat-abi=softfp -mfpu=vfpv3-d16 -march=armv7-a -O2
t.i: In function 'my_draw_arc':
t.i:209:1: error: unable to find a register to spill in class 'VFP_LO_REGS'
t.i:209:1: error: this is the insn:
(insn 39 41 43 2 (set (subreg:SI (reg:HI 234) 0)
(fix:SI (fix:DF (reg:DF 77 s14 [233])))) t.i:32 666 {*truncsidf2_vfp}
(expr_list:REG_DEAD (reg:DF 77 s14 [233])
(nil)))
t.i:209:1: internal compiler error: in spill_failure, at reload1.c:2113
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/48808] ICE in spill_failure, at reload1.c:2113
2011-04-28 17:14 [Bug target/48808] New: ICE in spill_failure, at reload1.c:2113 rmansfield at qnx dot com
@ 2011-05-03 11:00 ` ibolton at gcc dot gnu.org
2011-05-03 19:21 ` rmansfield at qnx dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: ibolton at gcc dot gnu.org @ 2011-05-03 11:00 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48808
Ian Bolton <ibolton at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011.05.03 10:54:06
CC| |ibolton at gcc dot gnu.org
Ever Confirmed|0 |1
Known to fail| |4.7.0
--- Comment #1 from Ian Bolton <ibolton at gcc dot gnu.org> 2011-05-03 10:54:06 UTC ---
Confirmed on r173122 of trunk, using the command-line args provided by the
reporter.
I have managed to traced it back to happening somewhere between r172185 (works)
and r172316 (ICEs) of trunk. Looking through the Changelogs for "reload", the
most likely candidates are:
r172297 | cltang | 2011-04-12 05:42:55 +0100 (Tue, 12 Apr 2011) | 10 lines
2011-04-11 Chung-Lin Tang <cltang@codesourcery.com>
Richard Earnshaw <rearnsha@arm.com>
PR target/48250
* config/arm/arm.c (arm_legitimize_reload_address): Update cases
to use sign-magnitude offsets. Reject unsupported unaligned
cases. Add detailed description in comments.
* config/arm/arm.md (reload_outdf): Disable for ARM mode; change
condition from TARGET_32BIT to TARGET_ARM.
r172231 | aesok | 2011-04-09 20:10:45 +0100 (Sat, 09 Apr 2011) | 8 lines
* expr.c (expand_expr_real_1): Use add_to_hard_reg_set function
instead of loop.
* sel-sched.c (mark_unavailable_hard_regs): Likewise.
* function.c (record_hard_reg_sets): Likewise.
* ira.c (compute_regs_asm_clobbered): Likewise.
* sched-deps.c (sched_analyze_1): Likewise.
* reload1.c (mark_reload_reg_in_use, choose_reload_regs): Likewise.
r172197 | danglin | 2011-04-08 17:21:39 +0100 (Fri, 08 Apr 2011) | 12 lines
PR target/48366
* config/pa/pa.c (hppa_register_move_cost): Increase to 18 cost of
move from floating point to shift amount register .
(emit_move_sequence): Remove secondary reload support for floating
point to shift amount amount register copies.
(pa_secondary_reload): Return GENERAL_REGS for floating point/shift
amount register copies.
* config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): For shift amount
register, return false if mode isn't a scalar integer mode.
* config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Likewise.
I don't have more time to devote to investigating this today, but hopefully
someone else will be able to work out which change it was.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/48808] ICE in spill_failure, at reload1.c:2113
2011-04-28 17:14 [Bug target/48808] New: ICE in spill_failure, at reload1.c:2113 rmansfield at qnx dot com
2011-05-03 11:00 ` [Bug target/48808] " ibolton at gcc dot gnu.org
@ 2011-05-03 19:21 ` rmansfield at qnx dot com
2011-06-01 19:47 ` rsandifo at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: rmansfield at qnx dot com @ 2011-05-03 19:21 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48808
--- Comment #2 from Ryan Mansfield <rmansfield at qnx dot com> 2011-05-03 19:20:35 UTC ---
The change that introduced the ICE is rev 172201.
http://gcc.gnu.org/viewcvs?view=revision&revision=172201
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/48808] ICE in spill_failure, at reload1.c:2113
2011-04-28 17:14 [Bug target/48808] New: ICE in spill_failure, at reload1.c:2113 rmansfield at qnx dot com
2011-05-03 11:00 ` [Bug target/48808] " ibolton at gcc dot gnu.org
2011-05-03 19:21 ` rmansfield at qnx dot com
@ 2011-06-01 19:47 ` rsandifo at gcc dot gnu.org
2011-06-03 21:14 ` [Bug rtl-optimization/48808] " ramana at gcc dot gnu.org
2015-06-24 23:50 ` ramana at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rsandifo at gcc dot gnu.org @ 2011-06-01 19:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48808
--- Comment #3 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 2011-06-01 19:47:22 UTC ---
Author: rsandifo
Date: Wed Jun 1 19:47:19 2011
New Revision: 174540
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174540
Log:
gcc/
PR rtl-optimization/48830
PR rtl-optimization/48808
PR rtl-optimization/48792
* reload.c (push_reload): Check contains_reg_of_mode.
* reload1.c (strip_paradoxical_subreg): New function.
(gen_reload_chain_without_interm_reg_p): Use it to handle
paradoxical subregs.
(emit_output_reload_insns, gen_reload): Likewise.
gcc/testsuite/
2011-06-01 Eric Botcazou <ebotcazou@adacore.com>
Hans-Peter Nilsson <hp@axis.com>
PR rtl-optimization/48830
* gcc.target/sparc/ultrasp12.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/sparc/ultrasp12.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/reload.c
trunk/gcc/reload1.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug rtl-optimization/48808] ICE in spill_failure, at reload1.c:2113
2011-04-28 17:14 [Bug target/48808] New: ICE in spill_failure, at reload1.c:2113 rmansfield at qnx dot com
` (2 preceding siblings ...)
2011-06-01 19:47 ` rsandifo at gcc dot gnu.org
@ 2011-06-03 21:14 ` ramana at gcc dot gnu.org
2015-06-24 23:50 ` ramana at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: ramana at gcc dot gnu.org @ 2011-06-03 21:14 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48808
Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ramana at gcc dot gnu.org
Component|target |rtl-optimization
--- Comment #4 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> 2011-06-03 21:13:59 UTC ---
This appears to be fixed on trunk . It appears to work with the command line
options that are specified on 4.6 branch.
Reclassified.
Ramana
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug rtl-optimization/48808] ICE in spill_failure, at reload1.c:2113
2011-04-28 17:14 [Bug target/48808] New: ICE in spill_failure, at reload1.c:2113 rmansfield at qnx dot com
` (3 preceding siblings ...)
2011-06-03 21:14 ` [Bug rtl-optimization/48808] " ramana at gcc dot gnu.org
@ 2015-06-24 23:50 ` ramana at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: ramana at gcc dot gnu.org @ 2015-06-24 23:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48808
Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |4.7.0
--- Comment #5 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> ---
Fixed in 4.7.0
^ permalink raw reply [flat|nested] 6+ messages in thread
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2011-04-28 17:14 [Bug target/48808] New: ICE in spill_failure, at reload1.c:2113 rmansfield at qnx dot com
2011-05-03 11:00 ` [Bug target/48808] " ibolton at gcc dot gnu.org
2011-05-03 19:21 ` rmansfield at qnx dot com
2011-06-01 19:47 ` rsandifo at gcc dot gnu.org
2011-06-03 21:14 ` [Bug rtl-optimization/48808] " ramana at gcc dot gnu.org
2015-06-24 23:50 ` ramana at gcc dot gnu.org
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