[Bug tree-optimization/69336] Constant value not detected

2016-01-26 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69336 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug go/69511] New: G.gcstack_size uses uintptr instead of size_t

2016-01-27 Thread vogt at linux dot vnet.ibm.com
Assignee: ian at airs dot com Reporter: vogt at linux dot vnet.ibm.com CC: cmang at google dot com, krebbel at gcc dot gnu.org Target Milestone: --- Target: s390 s390x Created attachment 37488 --> https://gcc.gnu.org/bugzilla/attachment.cgi

[Bug tree-optimization/69336] Constant value not detected

2016-01-27 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69336 --- Comment #12 from Dominik Vogt --- The test works now on s390x. Thanks.

[Bug c++/69462] FLT_EVAL_METHOD and DECIMAL_DIG missing in float.h

2016-01-27 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69462 --- Comment #3 from Dominik Vogt --- Is this change fit to be posted on gcc-patches? (I have a patch for that anyway and can post it for you if you like.)

[Bug c++/69462] FLT_EVAL_METHOD and DECIMAL_DIG missing in float.h

2016-01-27 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69462 Dominik Vogt changed: What|Removed |Added Summary|stack overflow detected |FLT_EVAL_METHOD and |

[Bug c++/69528] New: s/s390: ext/special_functions/hyperg lots of failures

2016-01-28 Thread vogt at linux dot vnet.ibm.com
Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: vogt at linux dot vnet.ibm.com CC: krebbel at gcc dot gnu.org Target Milestone: --- Target: s390x The hyperg functions fails to stay inside the tolerance allowed by the new test. Either the

[Bug c++/69528] s/s390: ext/special_functions/hyperg lots of failures

2016-01-28 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69528 --- Comment #1 from Dominik Vogt --- 3: 1.25024e-12 2.5e-13 test(data233, toler233) 0: 1.09304e-12 2.5e-13 1: 8.62418e-13 2.5e-13 test(data236, toler236) 0: 1.87073e-10 2.5e-13 1: 6.94984e-12 2.5e-13 2: 9.47298e-12 2.5e-13 3: 3.09248e-12 2.5e-13

[Bug c++/69529] New: s/390: special_functions/02_assoc_legendre failure

2016-01-28 Thread vogt at linux dot vnet.ibm.com
: c++ Assignee: unassigned at gcc dot gnu.org Reporter: vogt at linux dot vnet.ibm.com CC: krebbel at gcc dot gnu.org Target Milestone: --- Target: s390x The assoc_legendre function exceeds the allowed tolerance on s390x for data033[19

[Bug libstdc++/69528] s/390: ext/special_functions/hyperg lots of failures

2016-01-28 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69528 Dominik Vogt changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/69529] s/390: special_functions/02_assoc_legendre failure

2016-01-28 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69529 Dominik Vogt changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug libgomp/69555] New: libgomp.c++/target-6.C fails because of undefined behaviour

2016-01-29 Thread vogt at linux dot vnet.ibm.com
Priority: P3 Component: libgomp Assignee: unassigned at gcc dot gnu.org Reporter: vogt at linux dot vnet.ibm.com CC: jakub at gcc dot gnu.org, krebbel at gcc dot gnu.org Target Milestone: --- Target: s390x The test case libgomp.c++/target-6.C

[Bug libgomp/69555] libgomp.c++/target-6.C fails because of undefined behaviour

2016-01-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69555 --- Comment #2 from Dominik Vogt --- Does it work on other platforms?

[Bug libgomp/69555] libgomp.c++/target-6.C fails because of undefined behaviour

2016-01-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69555 --- Comment #4 from Dominik Vogt --- Sure. Can I provide any debug information or another kind of help?

[Bug libgomp/69555] libgomp.c++/target-6.C fails because of undefined behaviour

2016-01-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69555 --- Comment #5 from Dominik Vogt --- Hm, actually the chapter about "private" says nothing about how to actually *handle* a reference type whereas it states that for "firstprivate" and "lastprivate" the reference must bind to the same object for

[Bug libgomp/69555] libgomp.c++/target-6.C fails because of undefined behaviour

2016-01-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69555 --- Comment #6 from Dominik Vogt --- Example: -- snip -- #include int main () { int a; int &c = a; printf("a %p\n", &a); printf("g %p\n", &c); #pragma omp target private (c) { printf("t %p\n", &c); } return 0; }

[Bug c++/69089] C++11: alignas(0) causes an error

2016-02-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69089 --- Comment #5 from Dominik Vogt --- No, up to now you're the only one who commented on it. I keep pinging it once in a while.

[Bug libgomp/69625] New: deadlock in libgomp.c/doacross-1.c test

2016-02-02 Thread vogt at linux dot vnet.ibm.com
Assignee: unassigned at gcc dot gnu.org Reporter: vogt at linux dot vnet.ibm.com CC: jakub at gcc dot gnu.org Target Milestone: --- Target: s390x Created attachment 37554 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37554&action=edit

[Bug libgomp/69625] deadlock in libgomp.c/doacross-1.c test

2016-02-03 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69625 --- Comment #1 from Dominik Vogt --- It's a bug in the S/390 backend that sometimes trashes r6 in vararg functions. We're working on a fix.

[Bug fortran/67451] [5/6 Regression] [F08] ICE with sourced allocation from coarray.

2016-02-09 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67451 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug fortran/67451] [5/6 Regression] [F08] ICE with sourced allocation from coarray.

2016-02-09 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67451 --- Comment #9 from Dominik Vogt --- I.e. free(0x1) is called: Load foobar.1497 to r12 0x8998 <+40>:larl%r12,0x80002408 (gdb) p /x $r12 0x80002408 First malloc call, store mem pointer in foobar.1497 0x000

[Bug libgomp/69625] S/390 deadlock in libgomp.c/doacross-1.c test (vararg function trashes r6)

2016-02-09 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69625 Dominik Vogt changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug fortran/67451] [5/6 Regression] [F08] ICE with sourced allocation from coarray.

2016-02-10 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67451 --- Comment #12 from Dominik Vogt --- The patch works on s390x.

[Bug go/69766] New: go.test/test/env.go fails on biarch

2016-02-11 Thread vogt at linux dot vnet.ibm.com
Assignee: ian at airs dot com Reporter: vogt at linux dot vnet.ibm.com CC: cmang at google dot com Target Milestone: --- Host: s390x When testing with make -k check-go RUNTESTFLAGS="--target_board=unix\{-m31,-m64\}" The testgo.test/test/env.go

[Bug go/69766] go.test/test/env.go fails on biarch

2016-02-11 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69766 --- Comment #1 from Dominik Vogt --- If I understand the GOARCH environtment variable right it's value is just the architecture of the build system. So, this test is bound to fail for any multiarch target with the non-standard architecture, and

[Bug go/69766] go.test/test/env.go fails on biarch

2016-02-11 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69766 --- Comment #2 from Dominik Vogt --- Created attachment 37663 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37663&action=edit Experimental patch Is the attached patch the right way to deal with this?

[Bug regression/69838] New: [regression] Lra deletes EH_REGION

2016-02-16 Thread vogt at linux dot vnet.ibm.com
Assignee: unassigned at gcc dot gnu.org Reporter: vogt at linux dot vnet.ibm.com Target Milestone: --- Host: s390x Target: s390x Created attachment 37704 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37704&action=edit Ira dump (ok) It loo

[Bug regression/69838] [regression] Lra deletes EH_REGION

2016-02-16 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69838 --- Comment #1 from Dominik Vogt --- Created attachment 37705 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37705&action=edit Reload dump (broken)

[Bug bootstrap/69709] [6 Regression] profiled bootstrap error on s390x-linux-gnu with r233194

2016-02-17 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69709 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug regression/69838] [4.9/5/6 Regression] Lra deletes EH_REGION

2016-02-17 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69838 Dominik Vogt changed: What|Removed |Added Component|rtl-optimization|regression --- Comment #3 from Dominik Vo

[Bug bootstrap/69709] [6 Regression] profiled bootstrap error on s390x-linux-gnu with r233194

2016-02-17 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69709 --- Comment #5 from Dominik Vogt --- @Matthias: So far it only happens for me when building a gcc rpm from source on a (very slow VM), but not when compiling the same sources. Is there anything special about your build machine or environment on

[Bug middle-end/69838] [4.9/5/6 Regression] Lra deletes EH_REGION

2016-02-19 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69838 --- Comment #7 from Dominik Vogt --- With the patch I get an Ice with -m31: spawn -ignore SIGHUP .../build/gcc/xgcc -B.../build/gcc/ .../gcc/testsuite/gcc.dg/graphite/id-pr45230-1.c -fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -fgra

[Bug middle-end/69838] [4.9/5/6 Regression] Lra deletes EH_REGION

2016-02-19 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69838 --- Comment #9 from Dominik Vogt --- I think I've already tested this commit without the patch and did not get that Ice, but maybe my memory fails me. I'm just running the test suite again with the commit reverted to make sure ...

[Bug middle-end/69838] [4.9/5/6 Regression] Lra deletes EH_REGION

2016-02-19 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69838 --- Comment #11 from Dominik Vogt --- If that is unrelated, the patch does not cause any regressions on a biarch build. Sould I also test it in a 31-bit changeroot?

[Bug middle-end/69838] [4.9/5/6 Regression] Lra deletes EH_REGION

2016-02-19 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69838 --- Comment #12 from Dominik Vogt --- (The test just finished; the Ice is present without the patch too.)

[Bug middle-end/69838] [4.9/5 Regression] Lra deletes EH_REGION

2016-02-19 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69838 Dominik Vogt changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug bootstrap/69709] [6 Regression] profiled bootstrap error on s390x-linux-gnu with r233194

2016-02-24 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69709 --- Comment #7 from Dominik Vogt --- The stage1 compiler does something wrong when compiling gcc/real.c (with -fprofile-generate). The function div_significands() (inlined into do_divide()) returns a wrong result due to bad register usage in thi

[Bug bootstrap/69709] [6 Regression] profiled bootstrap error on s390x-linux-gnu with r233194

2016-02-25 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69709 --- Comment #8 from Dominik Vogt --- Created attachment 37790 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37790&action=edit Test case The option -fpeel-loops triggers the bug. The attached program has a different result with -fpeel-loo

[Bug bootstrap/69709] [6 Regression] profiled bootstrap error on s390x-linux-gnu with r233194

2016-02-25 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69709 --- Comment #9 from Dominik Vogt --- (-fpeel-loops is activated by -fprofile-use, so this is the connection to profilesbootstrap.)

[Bug bootstrap/69709] [6 Regression] profiled bootstrap error on s390x-linux-gnu with r233194

2016-02-25 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69709 --- Comment #10 from Dominik Vogt --- We've located the bug in the s390 backend. No further help is needed.

[Bug fortran/67451] [5/6 Regression] [F08] ICE with sourced allocation from coarray.

2016-02-26 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67451 --- Comment #15 from Dominik Vogt --- The problem is gone on today's trunk for s390 and s390x.

[Bug middle-end/69920] [6 Regression] FAIL: g++.dg/torture/pr42704.C -O2 -flto -fno-use-linker-plugin -flto-partition=none (internal compiler error)

2016-02-26 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69920 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug middle-end/69920] [6 Regression] FAIL: g++.dg/torture/pr42704.C -O2 -flto -fno-use-linker-plugin -flto-partition=none (internal compiler error)

2016-02-26 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69920 --- Comment #9 from Dominik Vogt --- (Fails only with -m31.)

[Bug middle-end/69920] [6 Regression] FAIL: g++.dg/torture/pr42704.C -O2 -flto -fno-use-linker-plugin -flto-partition=none (internal compiler error)

2016-02-26 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69920 --- Comment #12 from Dominik Vogt --- The Ice in 42704.c is gone on s390[x] with trunk (but not the other FAILs). Is the Ice below related to this bug report or is it something totally different? .../gcc/testsuite/gcc.dg/graphite/id-pr45230-1.c

[Bug middle-end/69983] [6 Regression] FAIL: gcc.dg/graphite/scop-sor.c scan-tree-dump-times graphite "number of SCoPs: 1" 1

2016-02-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69983 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug tree-optimization/68659] [6 regression] FAIL: gcc.dg/graphite/id-pr45230-1.c (internal compiler error)

2016-02-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68659 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug target/70009] test case libgomp.oacc-c-c++-common/vprop.c fails starting with its introduction in r233607

2016-02-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70009 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug tree-optimization/69760] [4.9/5 Regression] Wrong 64-bit memory address caused by an unneeded overflowing 32-bit integer multiplication on x86_64 under -O2 and -O3 code optimization

2016-02-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69760 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug ada/70017] New: Ada: c52103x test failure on s390x

2016-02-29 Thread vogt at linux dot vnet.ibm.com
Assignee: unassigned at gcc dot gnu.org Reporter: vogt at linux dot vnet.ibm.com CC: ebotcazou at gcc dot gnu.org, krebbel at gcc dot gnu.org Target Milestone: --- Host: s390x Target: s390x My knowledge of Ada is practically zero, but I&#

[Bug ada/70017] c52103x and c52104x test failure on s390x

2016-02-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70017 Dominik Vogt changed: What|Removed |Added Summary|Ada: c52103x test failure |c52103x and c52104x test

[Bug middle-end/70025] [6 Regression] Miscompilation of gc-7.4.2 on s390x starting with r227382

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70025 --- Comment #2 from Dominik Vogt --- This is related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61578

[Bug target/61578] [4.9 regression] Code size increase for ARM thumb compared to 4.8.x when compiling with -Os

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61578 --- Comment #35 from Dominik Vogt --- Looks like the extra condition in that patch is still not good enough: --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -945,6 +945,12 @@ match_reload (signed char out, signed char *ins, enum reg_c

[Bug target/61578] [4.9 regression] Code size increase for ARM thumb compared to 4.8.x when compiling with -Os

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61578 --- Comment #36 from Dominik Vogt --- (Sorry, comment 35 belongs to the follow-up report https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70025 )

[Bug middle-end/70025] [6 Regression] Miscompilation of gc-7.4.2 on s390x starting with r227382

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70025 --- Comment #3 from Dominik Vogt --- Looks like the extra condition in that patch is still not good enough: --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -945,6 +945,12 @@ match_reload (signed char out, signed char *ins, enum reg_c

[Bug middle-end/70025] [6 Regression] Miscompilation of gc-7.4.2 on s390x starting with r227382

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70025 --- Comment #5 from Dominik Vogt --- Yup. debug_rtx(out_rtx) = (mem/f:DI (plus:DI (reg/v/f:DI 164 [orig:129 p ] [129]) (const_int 16 [0x10])) [4 p_8(D)->d3+0 S8 A64]) debug_rtx(in_rtx) = (reg/v/f:DI 151 [orig:129 p ] [129]) Becau

[Bug ada/70017] c52103x and c52104x test failure on s390x

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70017 --- Comment #3 from Dominik Vogt --- It looks like no more than activating Stack_Check_Probes is required. Thanks!

[Bug ada/70017] c52103x and c52104x test failure on s390x

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70017 --- Comment #5 from Dominik Vogt --- We have zero test failures with the patched code. Is that good enough or should I still take a closer look?

[Bug ada/70017] c52103x and c52104x test failure on s390x

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70017 --- Comment #6 from Dominik Vogt --- S390 does have stack checking support, so the question is really just whether Ada has extra requirements.

[Bug ada/70017] c52103x and c52104x test failure on s390x

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70017 --- Comment #7 from Dominik Vogt --- Sorry, comment 6 is wrong, I was thinking about stack *guard* support.

[Bug middle-end/70025] [6 Regression] Miscompilation of gc-7.4.2 on s390x starting with r227382

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70025 --- Comment #6 from Dominik Vogt --- Shouldn't this rather check whether the *value* of the register in in_rtx appears in out_rtx?

[Bug middle-end/70025] [6 Regression] Miscompilation of gc-7.4.2 on s390x starting with r227382

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70025 --- Comment #10 from Dominik Vogt --- Successfully bootstrapped and regression tested on s390x (-m31 and -m64).

[Bug tree-optimization/69196] [5/6 Regression] code size regression with jump threading at -O2

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69196 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug tree-optimization/69196] [5/6 Regression] code size regression with jump threading at -O2

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69196 --- Comment #16 from Dominik Vogt --- (In the ChangeLog entry, the "-1" is missing from the name of the new testfile.)

[Bug middle-end/69983] [6 Regression] FAIL: gcc.dg/graphite/scop-sor.c scan-tree-dump-times graphite "number of SCoPs: 1" 1

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69983 --- Comment #8 from Dominik Vogt --- Successfully bootstrapped and regression tested on s390x (biarch).

[Bug tree-optimization/69760] [4.9/5 Regression] Wrong 64-bit memory address caused by an unneeded overflowing 32-bit integer multiplication on x86_64 under -O2 and -O3 code optimization

2016-03-01 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69760 --- Comment #14 from Dominik Vogt --- The regression is fixed with the latest patch for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69983

[Bug middle-end/69987] [6 Regression] internal compiler error: in verify_loop_structure, at cfgloop.c:1639

2016-03-02 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69987 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug ada/70017] c52103x and c52104x test failure on s390x

2016-03-02 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70017 Dominik Vogt changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/69196] [5/6 Regression] code size regression with jump threading at -O2

2016-03-02 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69196 --- Comment #18 from Dominik Vogt --- Which dumps do you need?

[Bug libgomp/69555] libgomp.c++/target-6.C fails because of undefined behaviour

2016-03-03 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69555 --- Comment #11 from Dominik Vogt --- Successfully bootstrapped and regression tested on s390x biarch. Thanks.

[Bug tree-optimization/68659] [6 regression] FAIL: gcc.dg/graphite/id-pr45230-1.c (internal compiler error)

2016-03-03 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68659 --- Comment #22 from Dominik Vogt --- Successfully bootstrapped and regression tested on s390x biarch. Thanks.

[Bug middle-end/69987] [6 Regression] internal compiler error: in verify_loop_structure, at cfgloop.c:1639

2016-03-03 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69987 --- Comment #7 from Dominik Vogt --- Fixed on s390x. Thanks.

[Bug tree-optimization/69196] [5/6 Regression] code size regression with jump threading at -O2

2016-03-03 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69196 --- Comment #20 from Dominik Vogt --- Created attachment 37860 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37860&action=edit vrp1 dump for s390x (-m64) vrp1 dump for s390x attached (-m64, give me a shout if you need the -m31 dump).

[Bug other/70078] New: gccint: define_split "not" allowed to create pseudos

2016-03-04 Thread vogt at linux dot vnet.ibm.com
iority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: vogt at linux dot vnet.ibm.com Target Milestone: --- The section "Defining How to Split Instructions" in the gccint manual claims The preparation-statements are similar to those statements that

[Bug other/70078] gccint: define_split "not" allowed to create pseudos

2016-03-04 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70078 --- Comment #1 from Dominik Vogt --- Hijacking this bug report for more unclear documentation in that section; proposed changes in marked with <...>. Apart from the bad grammar, the meaning of this sentence is a mystery: Splitting of jump ins

[Bug other/70078] gccint: define_split "not" allowed to create pseudos

2016-03-04 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70078 --- Comment #2 from Dominik Vogt --- (I'll make a patch with these and some more corrections once it's clear how the wording should be.)

[Bug middle-end/70236] New: Register allocation and loop unrolling lead to waste of registers

2016-03-15 Thread vogt at linux dot vnet.ibm.com
Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: vogt at linux dot vnet.ibm.com CC: vmakarov at gcc dot gnu.org Target Milestone: --- Created attachment 37966 --> https://gcc.gnu.org/bugzilla/attachment.cgi

[Bug middle-end/70236] Register allocation and loop unrolling lead to waste of registers

2016-03-15 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70236 --- Comment #1 from Dominik Vogt --- Created attachment 37967 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37967&action=edit rnreg dump

[Bug target/70404] New: pr71074.c fails on s390x

2016-03-24 Thread vogt at linux dot vnet.ibm.com
: unassigned at gcc dot gnu.org Reporter: vogt at linux dot vnet.ibm.com CC: krebbel at gcc dot gnu.org Target Milestone: --- Host: s390x Target: s390x The new test case from #70174 triggers an ICE on s390x (svn rev 234414): .../build/gcc/xgcc

[Bug rtl-optimization/70174] [6 Regression] ICE at -O1 and above on x86_64-linux-gnu in gen_lowpart_general, at rtlhooks.c:63

2016-03-24 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70174 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug target/70404] pr70174.c fails on s390x

2016-03-30 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70404 --- Comment #1 from Dominik Vogt --- Configured with --with-arch=zEC12

[Bug target/70404] pr70174.c fails on s390x

2016-03-31 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70404 --- Comment #3 from Dominik Vogt --- Andreas is already working on the issue, so before anybody spends any more work on this, you should probably coordinate your efforts.

[Bug middle-end/70561] New: Crash in recog_for_combine_1

2016-04-06 Thread vogt at linux dot vnet.ibm.com
Assignee: unassigned at gcc dot gnu.org Reporter: vogt at linux dot vnet.ibm.com CC: krebbel at gcc dot gnu.org Target Milestone: --- Host: s390x Target: s390x This code in recog_for_combine_1 doesn't look right: -- if (num_clobbers_t

[Bug middle-end/70561] Crash in recog_for_combine_1

2016-04-06 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70561 --- Comment #1 from Dominik Vogt --- P.S.: (gdb) p debug_rtx(pat) (set (reg:SI 67 [+4 ]) (and:SI (not:SI (subreg:SI (reg/v:DI 65 [ b+-4 ]) 4)) (mem:SI (plus:DI (reg:DI 2 %r2 [ a ]) (const_int 4 [0x4])) [1 *a_2(D)+4 S4

[Bug middle-end/70561] Crash in recog_for_combine_1

2016-04-06 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70561 --- Comment #2 from Dominik Vogt --- (Ah, probably add_clobbers should have added the clobber, but it hasn't. It doesn't have any code for that pattern.)

[Bug middle-end/70561] Crash in recog_for_combine_1

2016-04-06 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70561 Dominik Vogt changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/69148] [5 Regression] ICE (floating point exception) on s390x-linux-gnu

2016-04-18 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69148 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

[Bug go/70787] New: No time and child info with -pg and gccgo

2016-04-25 Thread vogt at linux dot vnet.ibm.com
Assignee: ian at airs dot com Reporter: vogt at linux dot vnet.ibm.com CC: cmang at google dot com, krebbel at gcc dot gnu.org Target Milestone: --- It looks like the -pg option does something wrong for Go programs. Example: This program just wastes time in sub

[Bug go/70787] No time and child info with -pg and gccgo

2016-04-25 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70787 --- Comment #1 from Dominik Vogt --- (I've also tried setting GMON_OUT_PREFIX so that the gmon.out file does not get overwritten by different threads, but in either case only one dump file is created.)

[Bug go/70787] No time and child info with -pg and gccgo

2016-04-26 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70787 --- Comment #2 from Dominik Vogt --- The Go runtime seems to register a handler for SIGPROF even if it does not want to profile. So it always uninstalls the handler installed by Glibc on behalf of the -pg option. To me it looks like -pg actuall

[Bug debug/68860] [6/7 regression] FAIL: gcc.dg/guality/pr36728-1.c -flto -O3 -g line 16/7 arg1 == 1

2016-04-28 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68860 --- Comment #12 from Dominik Vogt --- We've just been looking at this today for s390x which fails these tests for various reasons too (actually we've located at least four different Gcc bugs by looking at this test case). Some of the calculation

[Bug debug/68860] [6/7 regression] FAIL: gcc.dg/guality/pr36728-1.c -flto -O3 -g line 16/7 arg1 == 1

2016-04-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68860 --- Comment #13 from Dominik Vogt --- By the way, I think the value of y should be tested *after* the asm statement in line 17 not before it in line 16. At higher optimization levels the assignement may not have happened yet when gdb reaches lin

[Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL

2016-11-22 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468 --- Comment #4 from Dominik Vogt --- Could you provide assembly dumps of the function foo() in the testcase, both, with and without the "culprit" patch?

[Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL

2016-11-22 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468 --- Comment #7 from Dominik Vogt --- The dumps show some differences I'd expect, but debugging libgomp testcases is awkward because they are so complicated. In the pre-patched era, Gcc's dynamic allocation on the stack was a bit too large most o

[Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL

2016-11-22 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468 --- Comment #8 from Dominik Vogt --- Some things to try with reduction-10.c: 1) Remove all OMP pragmas from the code. If it still fails it's not a limbgomp bug. 2) Replace "p7" in foo with just "7". If it still fails we know the bug is not tri

[Bug target/77822] [6 Regression] arm64 Error: immediate value out of range 0 to 63 at operand 3

2016-11-23 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77822 --- Comment #31 from Dominik Vogt --- No more backports, but the S390 fix for trunk is still in the queue. After it gets the bug can be resolved.

[Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL

2016-11-24 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468 --- Comment #11 from Dominik Vogt --- (In reply to r...@cebitec.uni-bielefeld.de from comment #9) > > 2) Replace "p7" in foo with just "7". If it still fails we know the bug is > > not > > triggered by the dynamic allocation of a or b. > > ...

[Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL

2016-11-24 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468 --- Comment #14 from Dominik Vogt --- Is the dynamic variable stack area properly aligned? Since sparc.h does not define STACK_DYNAMIC_OFFSET it should be aligned to STACK_BONDARY, i.e. 64 bits.

[Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL

2016-11-25 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468 --- Comment #16 from Dominik Vogt --- In emit-rtl.c:init_emit(), the alignment of the virtual_stack_dynamic pointer is hard coded to STACK_BOUNDARY: REGNO_POINTER_ALIGN (VIRTUAL_STACK_DYNAMIC_REGNUM) = STACK_BOUNDARY; The backend must make s

[Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL

2016-11-25 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468 --- Comment #18 from Dominik Vogt --- Another approach may be to make the middleend ask the backend for the actual value of REGNO_POINTER_ALIGN (VIRTUAL_STACK_DYNAMIC_REGNUM). Since on Sparc the address is always 4 mod 8, we'd get an additional

[Bug libgomp/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL

2016-11-29 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468 --- Comment #20 from Dominik Vogt --- (In reply to Eric Botcazou from comment #19) > I think that the patch is simply incorrect and should be reverted, it very > likely breaks other ports than PowerPC and SPARC and the failure more is > quite nas

[Bug target/78633] [7 Regression] [SH] libgcc/fp-bit.c:944:1: error: invalid rtl sharing found in the insn

2016-12-05 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78633 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com

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