[Bug target/92767] [m68k]: Random ICE: verify_flow_info failed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92767 --- Comment #1 from Bernd Schmidt --- People will be more likely to look at it if there's a preprocessed .i file that reproduces the issue, ideally with a cross compiler rather than a native bootstrap. If it only occurs when bootstrapping, narrow

[Bug target/91851] [m68k] Convert the backend to MODE_CC so it can be kept in future releases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91851 Bernd Schmidt changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/91851] [m68k] Convert the backend to MODE_CC so it can be kept in future releases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91851 --- Comment #8 from Bernd Schmidt --- Author: bernds Date: Mon Nov 25 12:31:16 2019 New Revision: 278681 URL: https://gcc.gnu.org/viewcvs?rev=278681&root=gcc&view=rev Log: Convert m68k to not use cc0 * config/m68k/m68k.c (output_move_hi

[Bug c/90677] [9/10 Regression] gcc-9.1.0 fails to build __gcc_diag__ souce: error: 'cgraph_node' is not defined as a type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90677 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug target/89865] [9 Regression] FAIL: gcc.target/i386/pr49095.c scan-assembler-times \\\\), % 45

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89865 --- Comment #2 from Bernd Schmidt --- Jakub seems to be the author of gcc.target/i386/pr49095.c.

[Bug tree-optimization/78972] [5/6/7/8 Regression] poor x86 simd instruction scheduling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78972 --- Comment #11 from Bernd Schmidt --- For reference: patch and discussion here. https://gcc.gnu.org/ml/gcc-patches/2017-05/msg01058.html

[Bug middle-end/80283] [5/6/7/8 Regression] bad SIMD register allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283 --- Comment #15 from Bernd Schmidt --- For reference: patch and discussion here. https://gcc.gnu.org/ml/gcc-patches/2017-05/msg01058.html

[Bug middle-end/80283] [5/6/7 Regression] bad SIMD register allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283 --- Comment #9 from Bernd Schmidt --- Cou(In reply to Michael_S from comment #8) > Here is a variant that makes an issue to show on x64 with -fno-tree-ter. > https://godbolt.org/g/mSLiRZ Could you attach this here as well? I've been trying to ge

[Bug middle-end/80283] [5/6/7 Regression] bad SIMD register allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283 --- Comment #7 from Bernd Schmidt --- Well, I've made a small tweak to the patch I have for PR78972, and I've got what at a glance looks like optimal code (no spills).

[Bug target/80160] [7 regression] operand has impossible constraints

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80160 --- Comment #7 from Bernd Schmidt --- Author: bernds Date: Sat Mar 25 01:12:04 2017 New Revision: 246473 URL: https://gcc.gnu.org/viewcvs?rev=246473&root=gcc&view=rev Log: PR rtl-optimization/80160 PR rtl-optimization/80159

[Bug rtl-optimization/80159] [7 regression] gcc takes very long time with -Os

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80159 --- Comment #4 from Bernd Schmidt --- Author: bernds Date: Sat Mar 25 01:12:04 2017 New Revision: 246473 URL: https://gcc.gnu.org/viewcvs?rev=246473&root=gcc&view=rev Log: PR rtl-optimization/80160 PR rtl-optimization/80159

[Bug target/80160] [7 regression] operand has impossible constraints

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80160 --- Comment #4 from Bernd Schmidt --- Perhaps this. Index: lra-assigns.c === --- lra-assigns.c (revision 246226) +++ lra-assigns.c (working copy) @@ -908,7 +908,8 @@ mus

[Bug debug/80025] [5/6/7 Regression] ICE w/ -O2 (-O3, -Ofast) -g -ftracer (infinite recursion in rtx_equal_for_cselib_1)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80025 --- Comment #12 from Bernd Schmidt --- That still doesn't seem to address the root cause though? Isn't the problem that this reversible mappings code can create cycles and we should avoid creating these in the first place?

[Bug target/79185] [5/6/7 Regression] register allocation in the addition of two 128 bit ints

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79185 Bernd Schmidt changed: What|Removed |Added Assignee|bernds at gcc dot gnu.org |unassigned at gcc dot gnu.org

[Bug target/79185] [5/6/7 Regression] register allocation in the addition of two 128 bit ints

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79185 --- Comment #8 from Bernd Schmidt --- Created attachment 40997 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40997&action=edit Some steps towards solving it There are some relatively obvious issues in ira-lives: a) We briefly mark a regis

[Bug target/71294] [6 Regression] ICE in gen_add2_insn, at optabs.c:4442 on powerpc64le-linux

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71294 --- Comment #14 from Bernd Schmidt --- I can't reproduce this, but that's probably because of cc1plus: warning: will not generate power8 instructions because assembler lacks power8 support Binutils was just configured for ppc64le-linux - do I

[Bug rtl-optimization/80025] [5/6/7 Regression] ICE w/ -O2 (-O3, -Ofast) -g -ftracer (infinite recursion in rtx_equal_for_cselib_1)

, ||bernds at gcc dot gnu.org --- Comment #7 from Bernd Schmidt --- CC'ing Alex. I've poked around this a bit and it seems to be in code he's written and which I don't fully understand.

[Bug rtl-optimization/78911] [5/6 Regression] Infinite loop at -O2/O3 optimization levels while trying to compile server.c from Wine-2.0-rc2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78911 Bernd Schmidt changed: What|Removed |Added Summary|[5/6/7 Regression] Infinite |[5/6 Regression] Infinite

[Bug rtl-optimization/78911] [5/6/7 Regression] Infinite loop at -O2/O3 optimization levels while trying to compile server.c from Wine-2.0-rc2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78911 --- Comment #13 from Bernd Schmidt --- Author: bernds Date: Fri Mar 10 21:17:13 2017 New Revision: 246059 URL: https://gcc.gnu.org/viewcvs?rev=246059&root=gcc&view=rev Log: PR rtl-optimization/78911 * lra-assigns.c (must_not_spil

[Bug target/79185] [5/6/7 Regression] register allocation in the addition of two 128 bit ints

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79185 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org

[Bug tree-optimization/78972] [5/6/7 Regression] poor x86 simd instruction scheduling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78972 Bernd Schmidt changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |bernds at gcc dot gnu.org

[Bug rtl-optimization/79806] [5/6/7 Regression] ICE error: unable to find a register to spill (in assign_by_spills, at lra-assigns.c:1457)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79806 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug rtl-optimization/79916] ICE in Max. number of generated reload insns per insn is achieved (90)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79916 --- Comment #4 from Bernd Schmidt --- I also have trouble reproducing this. Rather than the g++ commandline, please post what is passed to cc1plus.

[Bug rtl-optimization/79910] [7 Regression] wrong code with -O -fweb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79910 --- Comment #4 from Bernd Schmidt --- (In reply to Zdenek Sojka from comment #0) > Trying 27, 28 -> 33: > ... > Successfully matched this instruction: > (set (reg:QI 128 [ _6 ]) > (plus:QI (subreg:QI (reg:DI 111 [ p1D.1798 ]) 0) > (su

[Bug rtl-optimization/79571] [5/6/7 Regression] ICE in Max. number of generated reload insns per insn is achieved (90)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79571 --- Comment #13 from Bernd Schmidt --- (In reply to Martin Liška from comment #11) > I see a similar test-case on ppc64le-linux-gnu (w/ cross-compiler): > > $ ppc64le-linux-gnu-g++ > /home/marxin/Programming/gcc/gcc/testsuite/g++.dg/compat/decim

[Bug rtl-optimization/79571] [5/6/7 Regression] ICE in Max. number of generated reload insns per insn is achieved (90)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79571 --- Comment #12 from Bernd Schmidt --- (In reply to Jakub Jelinek from comment #10) > Wouldn't it penalize other code? E.g. if you have a TImode MEM and store > from something in XMM register, then it doesn't have to be offsetable and > can use

[Bug rtl-optimization/79405] [7 Regression] Compile-time hog w/ -O2 (-Os, -O3) on 32-bit BE powerpc targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79405 Bernd Schmidt changed: What|Removed |Added Assignee|bernds at gcc dot gnu.org |unassigned at gcc dot gnu.org

[Bug rtl-optimization/79405] [7 Regression] Compile-time hog w/ -O2 (-Os, -O3) on 32-bit BE powerpc targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79405 --- Comment #5 from Bernd Schmidt --- Patch and discussion here: https://gcc.gnu.org/ml/gcc-patches/2017-02/msg01063.html

[Bug rtl-optimization/79728] [7 Regression] ICE in setup_pressure_classes, at ira.c:912

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79728 --- Comment #4 from Bernd Schmidt --- Actually here's mine from last week: https://gcc.gnu.org/ml/gcc-patches/2017-03/msg00176.html

[Bug rtl-optimization/79910] [7 Regression] wrong code with -O -fweb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79910 Bernd Schmidt changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |bernds at gcc dot gnu.org

[Bug rtl-optimization/79571] [5/6/7 Regression] ICE in Max. number of generated reload insns per insn is achieved (90)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79571 --- Comment #9 from Bernd Schmidt --- Maybe we just need to declare this address to be invalid for TImode. The following seems to cure the testcase; untested otherwise. Index: i386.c ==

[Bug rtl-optimization/79571] [5/6/7 Regression] ICE in Max. number of generated reload insns per insn is achieved (90)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79571 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug rtl-optimization/78911] [5/6/7 Regression] Infinite loop at -O2/O3 optimization levels while trying to compile server.c from Wine-2.0-rc2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78911 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org

[Bug rtl-optimization/79780] [7 Regression] ICE in rtl_verify_bb_insns, at cfgrtl.c:2661 (error: flow control insn inside a basic block)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79780 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug rtl-optimization/79728] [7 Regression] ICE in setup_pressure_classes, at ira.c:912

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79728 Bernd Schmidt changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |bernds at gcc dot gnu.org

[Bug rtl-optimization/79541] New: lra reads uninitialized memory (with invalid input)

: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: bernds at gcc dot gnu.org Target Milestone: --- Created attachment 40753 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40753&action=edit Reproducer Disclaimer: I'm uncertain how severe

[Bug rtl-optimization/79405] [7 Regression] Compile-time hog w/ -O2 (-Os, -O3) on 32-bit BE powerpc targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79405 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org

[Bug rtl-optimization/79386] [7 Regression] ICE: segmentation fault in cprop w/ -O2 on 32-bit BE powerpc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79386 --- Comment #3 from Bernd Schmidt --- Gah. If we clean up the CFG after bypass_conditional_jumps, it can crash if it finds an unconditional trap in the middle of a block. If we do it beforehand, we're referencing data by the wrong bb number. May

[Bug rtl-optimization/78634] [7 Regression] 30% performance drop after r242832.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634 --- Comment #5 from Bernd Schmidt --- I don't know the machine, but with a branch cost of 1 this seems like it might be expected. Do you think this is a testcase problem or something else?

[Bug target/67288] [5/6/7 regression] non optimal simple function (useless additional shift/remove/shift/add)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67288 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug tree-optimization/78972] [5/6/7 Regression] poor x86 simd instruction scheduling

||2017-01-30 CC||bernds at gcc dot gnu.org Component|target |tree-optimization Ever confirmed|0 |1 --- Comment #9 from Bernd Schmidt --- Confirmed, and it does seem to be ter doing

[Bug rtl-optimization/78559] [7 Regression] wrong code due to tree if-conversion?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78559 --- Comment #12 from Bernd Schmidt --- Sorry, long pause while editing that comment made me leave out part of what I was trying to say - I meant only discard notes that reference the CC reg. But it seems an unnecessary complication.

[Bug rtl-optimization/78559] [7 Regression] wrong code due to tree if-conversion?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78559 --- Comment #11 from Bernd Schmidt --- Looks like other_insn is only used for cases where we rewrite cc sets in this way, so Bin's patch does look reasonably narrow. We could maybe record the CC reg being changed and only discard reg notes, but i

[Bug rtl-optimization/78559] [7 Regression] wrong code due to tree if-conversion?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78559 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org

[Bug rtl-optimization/71724] [5/6/7 Regression] ICE: Segmentation fault, deep recursion between combine_simplify_rtx and subst

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71724 --- Comment #7 from Bernd Schmidt --- Author: bernds Date: Mon Jan 23 16:30:55 2017 New Revision: 244817 URL: https://gcc.gnu.org/viewcvs?rev=244817&root=gcc&view=rev Log: PR rtl-optimization/71724 * combine.c (if_then_else_cond)

[Bug rtl-optimization/78634] [7 Regression] 30% performance drop after r242832.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634 Bernd Schmidt changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug rtl-optimization/78634] [7 Regression] 30% performance drop after r242832.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634 --- Comment #2 from Bernd Schmidt --- Author: bernds Date: Mon Jan 23 16:17:33 2017 New Revision: 244816 URL: https://gcc.gnu.org/viewcvs?rev=244816&root=gcc&view=rev Log: PR rtl-optimization/78634 * config/i386/i386.c (ix86_max_

[Bug rtl-optimization/79194] [7 Regression] ICE in rtl_verify_bb_insns, at cfgrtl.c:2661 (error: flow control insn inside a basic block)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79194 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org

[Bug rtl-optimization/56069] [5/6/7 Regression] RA pessimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56069 --- Comment #16 from Bernd Schmidt --- I retested again with a few different combinations of things. With an older gdb, I can still reproduce the issue that sra-1 becomes UNSUPPORTED (presumably through a gdb crash). With gdb-7.12 installed the p

[Bug rtl-optimization/79125] [7 Regression] ICE in rtl_verify_bb_insns, at cfgrtl.c:2661 (error: flow control insn inside a basic block)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79125 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org

[Bug rtl-optimization/78634] [7 Regression] 30% performance drop after r242832.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634 --- Comment #1 from Bernd Schmidt --- Patch and discussion here. https://gcc.gnu.org/ml/gcc-patches/2016-12/msg00212.html

[Bug rtl-optimization/71724] [5/6/7 Regression] ICE: Segmentation fault, deep recursion between combine_simplify_rtx and subst

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71724 --- Comment #4 from Bernd Schmidt --- Maybe we just need to test for that condition, even though it's ugly. However, I think there are some other improvements we could make here. Part of the problem seems to be what if_then_else_cond does on thi

[Bug target/77345] [7 Regression] Segmentation fault w/ -misel -O1 (and above)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77345 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug target/71321] [6/7 Regression] x86: worse code for uint8_t % 10 and / 10

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71321 --- Comment #6 from Bernd Schmidt --- Author: bernds Date: Wed Dec 21 16:45:33 2016 New Revision: 243861 URL: https://gcc.gnu.org/viewcvs?rev=243861&root=gcc&view=rev Log: PR target/71321 * config/i386/i386.md (lea_general_2b, l

[Bug rtl-optimization/71724] [5/6/7 Regression] ICE: Segmentation fault, deep recursion between combine_simplify_rtx and subst

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71724 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

gcc-bugs@gcc.gnu.org

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32643 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug target/71321] [6/7 Regression] x86: worse code for uint8_t % 10 and / 10

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71321 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org

[Bug rtl-optimization/78727] [7 Regression] ICE in rtl_verify_bb_insns, at cfgrtl.c:2656 (error: flow control insn inside a basic block)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78727 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org

[Bug tree-optimization/77309] [5/6 Regression] wrong code at -Os and above on x86_64-linux-gnu (in the 64-bit mode)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77309 Bernd Schmidt changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/78669] [7 Regression]: ICE: in combine_and_move_insns, at ira.c:3665 with -Os -fno-tree-ter -mavx512bw

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78669 Bernd Schmidt changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug rtl-optimization/78669] [7 Regression]: ICE: in combine_and_move_insns, at ira.c:3665 with -Os -fno-tree-ter -mavx512bw

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78669 --- Comment #5 from Bernd Schmidt --- Author: bernds Date: Mon Dec 12 13:29:48 2016 New Revision: 243551 URL: https://gcc.gnu.org/viewcvs?rev=243551&root=gcc&view=rev Log: PR rtl-optimization/78669 * ira.c (combine_and_move_insn

[Bug tree-optimization/77309] [5/6 Regression] wrong code at -Os and above on x86_64-linux-gnu (in the 64-bit mode)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77309 --- Comment #6 from Bernd Schmidt --- Author: bernds Date: Mon Dec 12 13:01:28 2016 New Revision: 243550 URL: https://gcc.gnu.org/viewcvs?rev=243550&root=gcc&view=rev Log: Backport from mainline 2016-11-07 Bernd Schmidt

[Bug tree-optimization/77309] [5/6 Regression] wrong code at -Os and above on x86_64-linux-gnu (in the 64-bit mode)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77309 --- Comment #5 from Bernd Schmidt --- Author: bernds Date: Mon Dec 12 13:00:53 2016 New Revision: 243549 URL: https://gcc.gnu.org/viewcvs?rev=243549&root=gcc&view=rev Log: Backport from mainline 2016-11-07 Bernd Schmidt

[Bug rtl-optimization/78626] [7 Regression] ICE in rtl_verify_bb_insns, at cfgrtl.c:2656 (error: flow control insn inside a basic block)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78626 --- Comment #9 from Bernd Schmidt --- I can't read that assembly language, but I'll take your word for it. I'm testing the patch on x86.

[Bug rtl-optimization/78626] [7 Regression] ICE in rtl_verify_bb_insns, at cfgrtl.c:2656 (error: flow control insn inside a basic block)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78626 --- Comment #4 from Bernd Schmidt --- Created attachment 40269 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40269&action=edit Candidate patch

[Bug rtl-optimization/78626] [7 Regression] ICE in rtl_verify_bb_insns, at cfgrtl.c:2656 (error: flow control insn inside a basic block)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78626 --- Comment #3 from Bernd Schmidt --- Not sure it's that bad really. An unconditional trap is pretty much by definition not performance-critical. Then again, there's a possible alternate fix, which I'll attach.

[Bug rtl-optimization/78626] [7 Regression] ICE in rtl_verify_bb_insns, at cfgrtl.c:2656 (error: flow control insn inside a basic block)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78626 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org

[Bug rtl-optimization/64081] [5/6/7 Regression] r217827 prevents RTL loop unroll

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64081 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug bootstrap/78338] [7 Regression] bootstrap broken on mips-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78338 Bernd Schmidt changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug bootstrap/78338] [7 Regression] bootstrap broken on mips-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78338 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug rtl-optimization/78669] [7 Regression]: ICE: in combine_and_move_insns, at ira.c:3665 with -Os -fno-tree-ter -mavx512bw

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78669 --- Comment #4 from Bernd Schmidt --- Something like this perhaps. Index: ira.c === --- ira.c (revision 242958) +++ ira.c (working copy) @@ -3705,6 +3705,14 @@ combine_a

[Bug middle-end/71443] [7 regression] test case gcc.dg/plugin/must-tail-call-2.c reports error

||bernds at gcc dot gnu.org Resolution|--- |FIXED --- Comment #1 from Bernd Schmidt --- Tried this with an aarch64-linux cross, and it seems to work now: PASS: gcc.dg/plugin/must-tail-call-2.c -fplugin=./must_tail_call_plugin.so (test for errors

[Bug target/71293] [7 regression] test case gcc.dg/plugin/must-tail-call-2.c fails starting with r236514

||bernds at gcc dot gnu.org Resolution|--- |FIXED --- Comment #3 from Bernd Schmidt --- PR71443 was a similar issue for aarch64 which also seems to have gotten solved. Closing.

[Bug target/27855] [5/6/7 regression] reassociation causes the RA to be confused

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27855 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug target/71436] [7 Regression] Segmentation fault in arm_output_multireg_pop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71436 --- Comment #14 from Bernd Schmidt --- Maybe the match_parallel predicate ought to also check that you have more than 4 loads, so that it doesn't match anything that could also be handled by ldmstm.md.

[Bug target/70905] [7 regression] FAIL: gcc.c-torture/compile/20011219-2.c -Os (unrecognizable insn)

||bernds at gcc dot gnu.org Resolution|--- |FIXED --- Comment #1 from Bernd Schmidt --- No longer seems to happen with a powerpc-linux cross and -frename-registers.

[Bug target/71436] [7 Regression] Segmentation fault in arm_output_multireg_pop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71436 --- Comment #7 from Bernd Schmidt --- Ooh, ouch. Maybe load_multiple needs a "&& reload_completed" predicate?

[Bug testsuite/70826] [7 regression] many test cases fail starting with r235442

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70826 Bernd Schmidt changed: What|Removed |Added CC||sch...@linux-m68k.org --- Comment #12 fr

[Bug target/70907] [7 regression] FAIL: gcc.target/powerpc/savres.c -Os execution test

||bernds at gcc dot gnu.org Resolution|--- |DUPLICATE --- Comment #2 from Bernd Schmidt --- Seems already fixed. *** This bug has been marked as a duplicate of bug 70826 ***

[Bug target/71436] [7 Regression] Segmentation fault in arm_output_multireg_pop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71436 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org

[Bug rtl-optimization/78120] [6/7 Regression] If conversion no longer performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78120 Bernd Schmidt changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/78120] [6/7 Regression] If conversion no longer performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78120 --- Comment #13 from Bernd Schmidt --- Author: bernds Date: Mon Nov 28 08:59:01 2016 New Revision: 242908 URL: https://gcc.gnu.org/viewcvs?rev=242908&root=gcc&view=rev Log: PR rtl-optimization/78120 * rtlanal.c (insn_rtx_cost): R

[Bug rtl-optimization/78120] [6/7 Regression] If conversion no longer performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78120 --- Comment #12 from Bernd Schmidt --- Author: bernds Date: Thu Nov 24 12:22:16 2016 New Revision: 242834 URL: https://gcc.gnu.org/viewcvs?rev=242834&root=gcc&view=rev Log: PR rtl-optimization/78120 * ifcvt.c (noce_conversion_pro

[Bug rtl-optimization/78120] [6/7 Regression] If conversion no longer performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78120 --- Comment #11 from Bernd Schmidt --- Author: bernds Date: Thu Nov 24 12:17:52 2016 New Revision: 242833 URL: https://gcc.gnu.org/viewcvs?rev=242833&root=gcc&view=rev Log: PR rtl-optimization/78120 * rtlanal.c (insn_rtx_cost): U

[Bug rtl-optimization/78120] [6/7 Regression] If conversion no longer performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78120 --- Comment #10 from Bernd Schmidt --- Author: bernds Date: Thu Nov 24 12:16:47 2016 New Revision: 242832 URL: https://gcc.gnu.org/viewcvs?rev=242832&root=gcc&view=rev Log: PR rtl-optimization/78120 * config/i386/i386.c (ix86_rtx

[Bug rtl-optimization/78120] [6/7 Regression] If conversion no longer performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78120 --- Comment #7 from Bernd Schmidt --- Sorry James, I think these two got mixed up in my memory. I've attached a candidate patch I'm testing. This tries to make a better effort to calculate before/after costs for the speed case so we don't rely e

[Bug rtl-optimization/78120] [6/7 Regression] If conversion no longer performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78120 --- Comment #6 from Bernd Schmidt --- Created attachment 40028 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40028&action=edit Candidate patch

[Bug rtl-optimization/78120] [6/7 Regression] If conversion no longer performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78120 --- Comment #4 from Bernd Schmidt --- The other issue here seems to be simply that BRANCH_COST is 0 for predictable branches on x86. Which makes the default implementation of the hook used here if_info.max_seq_cost = targetm.max_noce_ifcvt

[Bug rtl-optimization/78120] [6/7 Regression] If conversion no longer performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78120 --- Comment #3 from Bernd Schmidt --- Gah, that's obviously bogus and fails elsewhere. Still looking...

[Bug rtl-optimization/78120] [6/7 Regression] If conversion no longer performed

||bernds at gcc dot gnu.org, ||jgreenhalgh at gcc dot gnu.org Assignee|unassigned at gcc dot gnu.org |bernds at gcc dot gnu.org --- Comment #2 from Bernd Schmidt --- Looks like a mismatch where we use different cost

[Bug tree-optimization/77309] [5/6/7 Regression] wrong code at -Os and above on x86_64-linux-gnu (in the 64-bit mode)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77309 --- Comment #3 from Bernd Schmidt --- Author: bernds Date: Mon Nov 7 16:59:11 2016 New Revision: 241912 URL: https://gcc.gnu.org/viewcvs?rev=241912&root=gcc&view=rev Log: PR rtl-optimization/77309 * combine.c (make_compound_oper

[Bug tree-optimization/77309] [5/6/7 Regression] wrong code at -Os and above on x86_64-linux-gnu (in the 64-bit mode)

||bernds at gcc dot gnu.org Assignee|unassigned at gcc dot gnu.org |bernds at gcc dot gnu.org --- Comment #2 from Bernd Schmidt --- Investigating.

[Bug c++/69733] -Wignored-qualifiers points to wrong const

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69733 Bernd Schmidt changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/77880] [7 Regression] out of memory building recent LLVM on ppc64le with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77880 Bernd Schmidt changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/69733] -Wignored-qualifiers points to wrong const

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69733 --- Comment #2 from Bernd Schmidt --- Author: bernds Date: Fri Oct 7 12:21:55 2016 New Revision: 240863 URL: https://gcc.gnu.org/viewcvs?rev=240863&root=gcc&view=rev Log: c/ PR c++/69733 * c-decl.c (smallest_type_quals_location)

[Bug tree-optimization/77880] [7 Regression] out of memory building recent LLVM on ppc64le with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77880 --- Comment #4 from Bernd Schmidt --- Author: bernds Date: Fri Oct 7 12:16:55 2016 New Revision: 240862 URL: https://gcc.gnu.org/viewcvs?rev=240862&root=gcc&view=rev Log: PR tree-optimization/77880 * expr.c (by_pieces_ninsns): U

[Bug tree-optimization/77880] [7 Regression] out of memory building recent LLVM on ppc64le with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77880 --- Comment #2 from Bernd Schmidt --- Hmm, a memcmp with ULONG_MAX as the size. Try this? Index: expr.c === --- expr.c (revision 240429) +++ expr.c (working copy) @@ -785,

[Bug middle-end/77718] [7 Regression] expand_builtin_memcmp swaps args

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77718 --- Comment #4 from Bernd Schmidt --- So something like this maybe? Index: builtins.c === --- builtins.c (revision 240511) +++ builtins.c (working copy) @@ -3707,11 +3707,13 @@ ex

[Bug middle-end/77718] [7 Regression] expand_builtin_memcmp swaps args

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77718 --- Comment #2 from Bernd Schmidt --- Over here the testcase seems not to arrive in this function, and it prints the same value (-5) twice, which I think is supposed to be expected? Please clarify.

[Bug c++/72774] [7 Regression] ICE on invalid C++ code on x86_64-linux-gnu (tree check: expected tree that contains ‘decl minimal’ structure, have ‘tree_list’ in consider_binding_level, at cp/name-loo

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72774 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

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