[Bug other/29842] [meta-bug] outstanding patches / issues from STMicroelectronics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29842 Bug 29842 depends on bug 27906, which changed state. Bug 27906 Summary: reload allocates register of live register variable to earlyclobber output https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27906 What|Removed

[Bug middle-end/27906] reload allocates register of live register variable to earlyclobber output

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27906 Steven Bosscher changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/28144] floating point constant -> byte/char/short conversion is wrong for java

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28144 Steven Bosscher changed: What|Removed |Added Status|REOPENED|WAITING Last reconfirmed|2016-03-08

[Bug c/28306] const / pure call with ignored argument emitted.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28306 Steven Bosscher changed: What|Removed |Added Last reconfirmed|2006-07-07 17:30:13 |2019-3-5 Host|i686-pc-li

[Bug rtl-optimization/29860] comment / code incosistency in cfgcleanup.c:flow_find_cross_jump

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29860 Steven Bosscher changed: What|Removed |Added Keywords||missed-optimization Status

[Bug tree-optimization/29944] should do more loops transformations to enable more biv widening

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29944 Steven Bosscher changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/20211] autoincrement generation is poor

gcc dot gnu.org | Resolution|--- |WONTFIX --- Comment #41 from Steven Bosscher --- After 12 years of changes, the value of the patches in this bug report, and indeed the bug report itself, is difficult to gauge. If this is still an issue, and that issue

[Bug other/29842] [meta-bug] outstanding patches / issues from STMicroelectronics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29842 Bug 29842 depends on bug 20211, which changed state. Bug 20211 Summary: autoincrement generation is poor https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20211 What|Removed |Added ---

[Bug other/17652] [meta-bug] GCC 4.1 pending patches

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17652 Bug 17652 depends on bug 20211, which changed state. Bug 20211 Summary: autoincrement generation is poor https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20211 What|Removed |Added ---

[Bug other/23111] [meta-bug] GCC 4.2 pending patches

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23111 Bug 23111 depends on bug 20211, which changed state. Bug 20211 Summary: autoincrement generation is poor https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20211 What|Removed |Added ---

[Bug rtl-optimization/20369] noce_emit_move_insn emits invalid insns

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20369 Steven Bosscher changed: What|Removed |Added Last reconfirmed|2007-05-17 17:50:53 |2019-3-5 --- Comment #4 from Steven Bo

[Bug middle-end/36003] pass_fast_rtl_byte_dce is disabled currently because of breakage in CC0 targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36003 Steven Bosscher changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug rtl-optimization/43473] hword size destination variable induces suboptimal code generation compared to full word size var

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43473 Steven Bosscher changed: What|Removed |Added Status|WAITING |NEW Last reconfirmed|

[Bug bootstrap/49469] GCC fails to bootstrap when building with embedded zlib on Mac OS X 10.6.7

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49469 Steven Bosscher changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug middle-end/43334] Generate an XML dump of the parse tree

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43334 Steven Bosscher changed: What|Removed |Added Status|WAITING |NEW Last reconfirmed|2012-03-13 00:0

[Bug lto/52778] gcc crashes with -flto on PA-RISC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52778 Steven Bosscher changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug tree-optimization/56075] [gcc-4.7.1] 64-bit version, -Os eliminate some line of code which working fine in gcc-4.6.2 64-bit version

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56075 Steven Bosscher changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug middle-end/67118] gcc and gfortran started crashing recently

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67118 Steven Bosscher changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug libgcc/56187] void arithmetic in unwind-dw2-fde.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56187 Steven Bosscher changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug rtl-optimization/9723] With -Os optimization increases size if the loop contains array element access

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=9723 Steven Bosscher changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug other/16996] [meta-bug] code size improvements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16996 Bug 16996 depends on bug 9723, which changed state. Bug 9723 Summary: With -Os optimization increases size if the loop contains array element access https://gcc.gnu.org/bugzilla/show_bug.cgi?id=9723 What|Removed

[Bug tree-optimization/14721] jump optimization involving a sibling call within a jump table

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14721 Steven Bosscher changed: What|Removed |Added Last reconfirmed|2006-03-05 03:52:08 |2019-3-6 CC|

[Bug other/16996] [meta-bug] code size improvements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16996 Bug 16996 depends on bug 24647, which changed state. Bug 24647 Summary: two copies of a constant in two different registers https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24647 What|Removed |Added

[Bug target/24647] two copies of a constant in two different registers

||steven at gcc dot gnu.org Resolution|--- |WORKSFORME --- Comment #3 from Steven Bosscher --- Trunk today: f(): movlf()::i, %eax testl %eax, %eax jne .L1 # or je for the != case movl$2, f

[Bug middle-end/42972] Very bad bit field code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42972 Steven Bosscher changed: What|Removed |Added Last reconfirmed|2012-03-18 12:45:53 |2019-3-6 --- Comment #7 from Steven Bo

[Bug fortran/89603] unclassifiable statement error in code that is ok in compaq visual fortran

||steven at gcc dot gnu.org Resolution|--- |INVALID --- Comment #1 from Steven Bosscher --- Your code is not standard-conforming. Do this: cm(1)%mu=2.8d-2 cm(1)%inc=7.5527d-1 and you have standard-conforming Fortran.

[Bug middle-end/55263] [4.8 Regression] ICE: pre_and_rev_post_order_compute, at cfganal.c:875 with -O -fgcse-after-reload -fnon-call-exceptions

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55263 --- Comment #3 from Steven Bosscher 2012-11-11 20:29:15 UTC --- Author: steven Date: Sun Nov 11 20:29:11 2012 New Revision: 193412 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193412 Log: gcc/ PR middle-end/55263 *

[Bug middle-end/55263] [4.8 Regression] ICE: pre_and_rev_post_order_compute, at cfganal.c:875 with -O -fgcse-after-reload -fnon-call-exceptions

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55263 Steven Bosscher changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|

[Bug rtl-optimization/43056] __builtin_prefetch causes ICE: in rtl_verify_flow_info, at cfgrtl.c:2205 with -fsched2-use-superblocks

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43056 Steven Bosscher changed: What|Removed |Added Last reconfirmed|2010-02-13 23:09:24 |2012-11-11 23:09:24 Known

[Bug target/43546] [4.6/4.7/4.8 Regression] ICE: in assign_stack_local_1, at function.c:353 with -mpreferred-stack-boundary=2 -msseregparm

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43546 Steven Bosscher changed: What|Removed |Added Keywords||ra Last reconfirmed|2012-01-

[Bug target/44332] ICE: in copy_to_mode_reg, at explow.c:623 with -mno-sse2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44332 Steven Bosscher changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Known to work|

[Bug target/15184] [4.6/4.7/4.8 Regression] Direct access to byte inside word not working with -march=pentiumpro

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15184 Steven Bosscher changed: What|Removed |Added CC|steven at gcc dot gnu.org | --- Comment #23 from Steven

[Bug c/33763] [4.6/4.7/4.8 Regression] Bogus inlining failed in call to `xxx': redefined extern inline functions are not considered for inlining

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33763 Steven Bosscher changed: What|Removed |Added Status|NEW |WAITING --- Comment #39 from

[Bug target/55277] New: [4.6/4.7/4.8 regression] ICE in assign_by_spills, at lra-assigns.c:1217

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55277 Bug #: 55277 Summary: [4.6/4.7/4.8 regression] ICE in assign_by_spills, at lra-assigns.c:1217 Classification: Unclassified Product: gcc Version: 4.8.0 Statu

[Bug target/55277] [4.8 regression] ICE in assign_by_spills, at lra-assigns.c:1217

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55277 Steven Bosscher changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/42536] [4.6/4.7 regression] ICE in spill_failure, at reload1.c:2141

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42536 Steven Bosscher changed: What|Removed |Added Blocks|55277 | Summary|[4.6/4.7/4

[Bug rtl-optimization/51447] [4.6/4.7/4.8 Regression] global register variable definition incorrectly removed as dead code

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51447 --- Comment #12 from Steven Bosscher 2012-11-11 22:05:37 UTC --- (In reply to comment #7) > Created attachment 26100 [details] > gcc47-pr51447.patch > > While that fixes the testcase at -O1, at -O2 and above it still fails. > Apparent

[Bug rtl-optimization/51447] [4.6/4.7/4.8 Regression] global register variable definition incorrectly removed as dead code

|ASSIGNED Last reconfirmed|2011-12-07 00:00:00 |2012-11-11 0:00 AssignedTo|unassigned at gcc dot |steven at gcc dot gnu.org |gnu.org | --- Comment #13 from Steven Bosscher 2012-11-11 22:11:53 UTC

[Bug rtl-optimization/51447] [4.6/4.7/4.8 Regression] global register variable definition incorrectly removed as dead code

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51447 --- Comment #14 from Steven Bosscher 2012-11-12 20:22:05 UTC --- Author: steven Date: Mon Nov 12 20:21:59 2012 New Revision: 193453 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193453 Log: gcc/ PR rtl-optimization/51447

[Bug rtl-optimization/51447] [4.6/4.7 Regression] global register variable definition incorrectly removed as dead code

at gcc dot gnu.org |unassigned at gcc dot ||gnu.org Summary|[4.6/4.7/4.8 Regression]|[4.6/4.7 Regression] global |global register variable|register variable |definition incorrectly

[Bug rtl-optimization/55290] sparseset by design depends on uninitialised values but valgrind doesn't get it

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55290 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug middle-end/52285] [4.7/4.8 Regression] libgcrypt _gcry_burn_stack slowdown

|steven at gcc dot gnu.org | AssignedTo|unassigned at gcc dot |steven at gcc dot gnu.org |gnu.org | --- Comment #10 from Steven Bosscher 2012-11-13 10:30:27 UTC --- There are several reasons why RTL LIM cannot currently hoist the (frame

[Bug middle-end/52285] [4.7/4.8 Regression] libgcrypt _gcry_burn_stack slowdown

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52285 --- Comment #12 from Steven Bosscher 2012-11-13 23:37:52 UTC --- Created attachment 28678 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28678 Gross hack (In reply to comment #11) > If loops are still around at LRA time, perhaps L

[Bug middle-end/43631] var-tracking inserts notes with non-NULL BLOCK_FOR_INSN in between basic blocks

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43631 --- Comment #6 from Steven Bosscher 2012-11-13 23:38:55 UTC --- (In reply to comment #5) > Created attachment 28673 [details] > gcc48-pr43631.patch > > Is this what you meant? Yes, that's exactly what I meant, thanks!

[Bug c++/55348] Problem in tree-ssa-pre.c

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55348 Steven Bosscher changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug rtl-optimization/55006] [4.8 Regression] aermod.f90 is miscompiled with '-m64 -O2 -funroll-loops' after revision 192526

-code Last reconfirmed|2012-11-08 00:00:00 |2012-11-19 0:00 Component|tree-optimization |rtl-optimization CC|steven at gcc dot gnu.org | AssignedTo|unassigned at gcc dot |steven at gcc dot gnu.org |gnu.org |

[Bug rtl-optimization/54540] postreload incorrectly simplifies stack adjustment into constant load into SP

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54540 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug c++/55402] Compiling large initializer lists never finishes

Status|NEW |ASSIGNED CC|steven at gcc dot gnu.org | AssignedTo|unassigned at gcc dot |steven at gcc dot gnu.org |gnu.org | --- Comment #8 from Steven Bosscher 2012-11-20 11:20:23 UTC --- I&#x

[Bug rtl-optimization/55006] [4.8 Regression] aermod.f90 is miscompiled with '-m64 -O2 -funroll-loops' after revision 192526

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55006 --- Comment #6 from Steven Bosscher 2012-11-28 00:17:40 UTC --- Author: steven Date: Wed Nov 28 00:17:34 2012 New Revision: 193876 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193876 Log: PR rtl-optimization/55006 *

[Bug middle-end/55545] [4.8 Regression] Incredibly large compile-time performance regression on IA64 compiling 253.perlbmk

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55545 --- Comment #1 from Steven Bosscher 2012-11-30 13:00:46 UTC --- Do you also have revision numbers in those logs?

[Bug rtl-optimization/48549] [4.6/4.7 Regression] Combiner ICE with -g

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48549 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug middle-end/44102] ICE with asm goto + __builtin_unreachable () in C++

||2012-11-30 CC||steven at gcc dot gnu.org Resolution|FIXED | Ever Confirmed|0 |1 --- Comment #3 from Steven Bosscher 2012-11-30 14:19:29 UTC --- This fix is

[Bug rtl-optimization/55006] [4.8 Regression] aermod.f90 is miscompiled with '-m64 -O2 -funroll-loops' after revision 192526

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55006 Steven Bosscher changed: What|Removed |Added URL|http://gcc.gnu.org/ml/gcc-p |http://gcc.gnu.org/ml/gcc-p

[Bug middle-end/55046] [4.8 Regression] ICE in ira_reuse_stack_slot at ira-color.c:4065

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55046 Steven Bosscher changed: What|Removed |Added Status|UNCONFIRMED |SUSPENDED Last reconfirmed|

[Bug rtl-optimization/55158] [4.8 Regression] segfault in schedule_region at -O3

||steven at gcc dot gnu.org AssignedTo|unassigned at gcc dot |steven at gcc dot gnu.org |gnu.org | --- Comment #15 from Steven Bosscher 2012-12-04 09:02:20 UTC --- (In reply to comment #12) > Someone needs to

[Bug middle-end/55545] [4.8 Regression] Incredibly large compile-time performance regression on IA64 compiling 253.perlbmk

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55545 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug rtl-optimization/55158] [4.8 Regression] segfault in schedule_region at -O3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55158 --- Comment #18 from Steven Bosscher 2012-12-04 09:56:53 UTC --- Created attachment 28872 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28872 Updated tentative fix (In reply to comment #16) > I can provide IA-64 testing cycles, b

[Bug rtl-optimization/55158] [4.8 Regression] segfault in schedule_region at -O3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55158 --- Comment #19 from Steven Bosscher 2012-12-04 10:02:58 UTC --- This line is of course supposed to compare bb_state_array and old_bb_state_array: for (int i = (bb_state != old_bb_state) ? 0 : saved_last_basic_block;

[Bug target/55597] [4.8 Regression] internal compiler error: in plus_constant, at explow.c:88

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55597 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug target/55597] internal compiler error: in plus_constant, at explow.c:88

at gcc dot gnu.org, | |stevenb.gcc at gmail dot| |com | Summary|[4.8 Regression] internal |internal compiler error: in |compiler error: in |plus_constant, at

[Bug rtl-optimization/55598] LRA on powerpc does not like assembler in libgcc

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55598 --- Comment #1 from Steven Bosscher 2012-12-05 11:44:18 UTC --- Vlad committed a set of powerpc fixes here: http://gcc.gnu.org/ml/gcc-patches/2012-12/msg00272.html Perhaps you can try the patch, see if it helps?

[Bug rtl-optimization/55006] [4.8 Regression] aermod.f90 is miscompiled with '-m64 -O2 -funroll-loops' after revision 192526

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55006 --- Comment #13 from Steven Bosscher 2012-12-05 12:24:27 UTC --- (In reply to comment #10) > The attached testcase gets miscompiled starting with that revision. And is not fixed after r194108?

[Bug rtl-optimization/55006] [4.8 Regression] aermod.f90 is miscompiled with '-m64 -O2 -funroll-loops' after revision 192526

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55006 --- Comment #14 from Steven Bosscher 2012-12-05 12:32:24 UTC --- Nothing new here, just yet another invalid REG_EQUAL note: The webizer tries to split r51 in this insn: ;; basic block 4, loop depth 0, count 0, freq 7100, maybe hot ;;

[Bug rtl-optimization/54739] [4.8 regression] FAIL: gcc.dg/lower-subreg-1.c scan-rtl-dump subreg1 "Splitting reg"

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54739 Steven Bosscher changed: What|Removed |Added Status|NEW |RESOLVED Resolution|

[Bug rtl-optimization/55604] ICE while dumping in remove_some_program_points_and_update_live_ranges

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55604 --- Comment #4 from Steven Bosscher 2012-12-05 23:55:31 UTC --- Author: steven Date: Wed Dec 5 23:55:28 2012 New Revision: 194230 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194230 Log: PR rtl-optimization/55604 *

[Bug rtl-optimization/55604] ICE while dumping in remove_some_program_points_and_update_live_ranges

||FIXED AssignedTo|aldyh at gcc dot gnu.org|steven at gcc dot gnu.org

[Bug rtl-optimization/55273] [4.8 Regression] ICE in iv_number_of_iterations, at loop-iv.c:2819

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55273 --- Comment #6 from Steven Bosscher 2012-12-07 11:40:16 UTC --- (In reply to comment #5) > Douglas, can you help investigate the mmap error? > > Run "gcc -v". It will show a line executing the program cc1. Run gdb > on cc1 with the ex

[Bug middle-end/43631] var-tracking inserts notes with non-NULL BLOCK_FOR_INSN in between basic blocks

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43631 --- Comment #14 from Steven Bosscher 2012-12-07 11:59:15 UTC --- (In reply to comment #13) > Please hold on with that, seems BB_END is BARRIER, which is wrong. > Starting with distilling a testcase... Perhaps Alex' is right that the rea

[Bug other/54814] [4.8 Regression] ICE: unable to find a register to spill in class 'R0_REG'

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54814 --- Comment #4 from Steven Bosscher 2012-12-07 22:02:43 UTC --- (In reply to comment #3) > R0 is a fixed register, it should not be used for spilling or be allocated by > IRA. But apparently RA believes it has to, to satisfy some constr

[Bug other/54814] [4.8 Regression] ICE: unable to find a register to spill in class 'R0_REG'

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54814 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug rtl-optimization/55158] [4.8 Regression] segfault in schedule_region at -O3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55158 --- Comment #23 from Steven Bosscher 2012-12-08 12:12:59 UTC --- Author: steven Date: Sat Dec 8 12:12:50 2012 New Revision: 194322 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194322 Log: PR rtl-optimization/55158 *

[Bug other/54814] [4.8 Regression] ICE: unable to find a register to spill in class 'R0_REG'

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54814 Steven Bosscher changed: What|Removed |Added CC|steven at gcc dot gnu.org |bernds at gcc dot gnu.org

[Bug target/54952] Program crash on M32C when stack frame is more then 128 bytes

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54952 Steven Bosscher changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|

[Bug middle-end/55279] New pseudo registers aren't supported in CSE

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55279 Steven Bosscher changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/55623] [ARM] GCC should not prefer long dependency chains, they inhibit performance on superscalar processors

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55623 Steven Bosscher changed: What|Removed |Added Target|arm*-*-*, aarch64-*-* | --- Comment #5 from Steven B

[Bug middle-end/55623] [ARM] GCC should not prefer long dependency chains, they inhibit performance on superscalar processors

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55623 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug middle-end/55623] [ARM] GCC should not prefer long dependency chains, they inhibit performance on superscalar processors

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55623 Steven Bosscher changed: What|Removed |Added CC|steven at gcc dot gnu.org | --- Comment #7 from Steven

[Bug tree-optimization/55629] New: Missed value numbering to a constant

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55629 Bug #: 55629 Summary: Missed value numbering to a constant Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Pr

[Bug tree-optimization/55629] Missed value numbering to a constant

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55629 Steven Bosscher changed: What|Removed |Added Keywords||missed-optimization

[Bug middle-end/55279] New pseudo registers aren't supported in CSE

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55279 --- Comment #6 from Steven Bosscher 2012-12-09 16:09:04 UTC --- (In reply to comment #5) There shouldn't be any such tables. Before the DF merge, there was no_new_pseudos, but it had its problems. Why can't cse_reg_info_table() be mo

[Bug middle-end/55279] New pseudo registers aren't supported in CSE

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55279 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug middle-end/55279] New pseudo registers aren't supported in CSE

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55279 --- Comment #8 from Steven Bosscher 2012-12-09 16:13:12 UTC --- (In reply to comment #7) > (In reply to comment #5) > > Why can't cse_reg_info_table() be modified to intercept this? > Correction: get_cse_reg_info() Like so, quick-and-d

[Bug tree-optimization/51513] Only partially optimizes away __builtin_unreachable switch default case

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51513 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug rtl-optimization/55158] [4.8 Regression] segfault in schedule_region at -O3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55158 Steven Bosscher changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|

[Bug rtl-optimization/55686] [4.8 Regression] ICE in assign_by_spills, at lra-assigns.c:1244

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55686 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug target/55721] -mabi=64 compilation results in unknown UNSPEC note

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55721 --- Comment #4 from Steven Bosscher 2012-12-18 22:47:15 UTC --- (In reply to comment #1) > Actually the MIPS backend does have an UNSPEC 230. It is one of the > SYMBOL_64_* unspecs. Then, why is symbol_type not defined within define_c_

[Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 Steven Bosscher changed: What|Removed |Added AssignedTo|unassigned at gcc dot |steven at gcc dot gnu.org

[Bug target/20018] [4.0 regression][ia64] unable to find a register to spill in class`PR_REG'

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20018 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org

[Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 --- Comment #7 from Steven Bosscher 2012-12-19 10:07:41 UTC --- *** Bug 20018 has been marked as a duplicate of this bug. ***

[Bug target/41176] [4.6/4.7/4.8 Regression] ICE in reload_cse_simplify_operands at postreload.c:396

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41176 Steven Bosscher changed: What|Removed |Added Status|NEW |WAITING --- Comment #14 from

[Bug tree-optimization/55802] New: Various missed optimizations for a simple function in GCC itself

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55802 Bug #: 55802 Summary: Various missed optimizations for a simple function in GCC itself Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCO

[Bug tree-optimization/55802] Various missed optimizations for a simple function in GCC itself

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55802 Steven Bosscher changed: What|Removed |Added CC||rguenth at gcc dot gnu.org --

[Bug c/42643] "may be used uninitialized" compiled with "-Wall -O"

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42643 Steven Bosscher changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug rtl-optimization/55838] [4.6/4.7/4.8 Regression] ICE in extract_insn (unrecognizable insn) with -O -funroll-loops

||steven at gcc dot gnu.org AssignedTo|unassigned at gcc dot |steven at gcc dot gnu.org |gnu.org | --- Comment #5 from Steven Bosscher 2013-01-01 19:31:57 UTC --- Having a look...

[Bug rtl-optimization/55838] [4.6/4.7/4.8 Regression] ICE in extract_insn (unrecognizable insn) with -O -funroll-loops

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55838 --- Comment #6 from Steven Bosscher 2013-01-01 19:51:12 UTC --- The nonsense set comes from force_operand: Breakpoint 7, unroll_loop_runtime_iterations (loop=0x76b46f68) at ../../trunk/gcc/loop-unroll.c:1041 1041 start_sequence

[Bug rtl-optimization/55838] [4.6/4.7/4.8 Regression] ICE in extract_insn (unrecognizable insn) with -O -funroll-loops

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55838 --- Comment #7 from Steven Bosscher 2013-01-01 19:52:48 UTC --- ... but actually it looks like it exists even before that: (gdb) p debug_rtx(desc->niter_expr) (udiv:QI (minus:QI (const_int -126 [0xff82]) (subreg:QI (

[Bug rtl-optimization/55838] [4.6/4.7/4.8 Regression] ICE in extract_insn (unrecognizable insn) with -O -funroll-loops

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55838 --- Comment #8 from Steven Bosscher 2013-01-01 20:44:12 UTC --- I would expect the insn to match the movqi_internal insn: (define_insn "*movqi_internal" [(set (match_operand:QI 0 "nonimmediate_operand" "=q,q ,q ,r,r ,?r,m") (m

[Bug rtl-optimization/55838] [4.6/4.7/4.8 Regression] ICE in extract_insn (unrecognizable insn) with -O -funroll-loops

at gcc dot gnu.org |unassigned at gcc dot ||gnu.org --- Comment #9 from Steven Bosscher 2013-01-01 21:02:55 UTC --- In general_operand, the following check fails: 951 if (CONST_INT_P (op) 952 && mode != VOIDm

[Bug middle-end/55873] New: Missed trivial uninitialized use warning

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55873 Bug #: 55873 Summary: Missed trivial uninitialized use warning Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal

[Bug middle-end/55874] New: Incorrect warning location for uninitialized variable

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55874 Bug #: 55874 Summary: Incorrect warning location for uninitialized variable Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: nor

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