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Re: [PATCH. rs6000] Fix PR84912: ICE using -m32 on __builtin_divde*, patch #2

On Wed, Mar 28, 2018 at 07:13:36PM -0500, Peter Bergner wrote: > On 3/28/18 4:13 PM, Segher Boessenkool wrote: > > On Wed, Mar 28, 2018 at 01:57:34PM -0500, Peter Bergner wrote: > >> On 3/28/18 12:59 PM, Segher Boessenkool wrote: > >>> It should be something like > >>> > >>> +error ("builtin

Re: [PATCH. rs6000] Fix PR84912: ICE using -m32 on __builtin_divde*, patch #2

On 3/28/18 4:13 PM, Segher Boessenkool wrote: > On Wed, Mar 28, 2018 at 01:57:34PM -0500, Peter Bergner wrote: >> On 3/28/18 12:59 PM, Segher Boessenkool wrote: >>> It should be something like >>> >>> +error ("builtin function %qs requires the %qs (or newer), and " >>>"%qs or %qs

Re: [PATCH. rs6000] Fix PR84912: ICE using -m32 on __builtin_divde*, patch #2

On Wed, Mar 28, 2018 at 01:57:34PM -0500, Peter Bergner wrote: > On 3/28/18 12:59 PM, Segher Boessenkool wrote: > > It should be something like > > > > +error ("builtin function %qs requires the %qs (or newer), and " > >"%qs or %qs options", > > + name, "-mcpu=power7", "-m64",

Re: [PATCH,rs6000] Remove __builtin_fctid and __builtin_fctiw

Hi Carl, On Wed, Mar 28, 2018 at 11:51:09AM -0700, Carl Love wrote: > gcc/ChangeLog: > > 2018-03-20 Carl Love > > Reverting patch: > 2017-09-27 Carl Love > > * config/rs6000/rs6000-builtin.def: Remove macro expansion for > FCTIW

[PATCH 1/2] More underlining of bad arguments (PR c++/85110)

As of r256448, the C++ frontend underlines many bad arguments in its diagnostics; those where perform_overload_resolution returns a non-NULL candidate, but there's a failure in convert_like_real. However, for the case where perform_overload_resolution fails, but there's a single non-viable

[PATCH 2/2] Show pertinent parameter (PR c++/85110)

This followup patch updates the specific error-handling path to add a note showing the pertinent parameter decl, taking the output from: test.cc: In function 'void caller(const char*)': test.cc:6:14: error: cannot convert 'const char*' to 'const char**' for argument '2' to 'void callee(int,

[PATCH] Fix _blendm

Hi! When looking at PR85090, I've looked into tmp-mddump.md and noticed there some instructions that can't assemble - vblendmd etc., there is only vpblendmd or vblendmps. I couldn't make a testcase that would reproduce this though, seems the masked *mov_internal is used instead.

[PATCH] Fix -Wduplicated-branches with -g (PR c/85094)

Hi! With the introduction of DEBUG_BEGIN_STMT/-gstatement-frontiers on by default, the -Wduplicated-branches warning doesn't work anymore with -g, because operand_equal_p in OEP_LEXICOGRAPHIC mode doesn't consider DEBUG_BEGIN_STMTs as equal unless they are pointer equal. For the warning we

Re: [PATCH] [PR c++/84943] allow folding of array indexing indirect_ref

On Wed, Mar 28, 2018 at 2:18 AM, Alexandre Oliva wrote: > On Mar 23, 2018, Jason Merrill wrote: > >> On Fri, Mar 23, 2018 at 4:55 PM, Jason Merrill wrote: >>> On Fri, Mar 23, 2018 at 12:44 PM, Jason Merrill wrote:

Re: [PATCH. rs6000] Fix PR84912: ICE using -m32 on __builtin_divde*, patch #2

On 3/28/18 12:59 PM, Segher Boessenkool wrote: > It should be something like > > +error ("builtin function %qs requires the %qs (or newer), and " > "%qs or %qs options", > +name, "-mcpu=power7", "-m64", "-mpowerpc64"); > > I don't see other such strings that quote

[PATCH,rs6000] Remove __builtin_fctid and __builtin_fctiw

GCC Maintainers: The following patch reverts commit 253238 to add support for the fctid and fctiw builtins for Steve Munroe.

Re: [PATCH] Prefer mempcpy to memcpy on x86_64 target (PR middle-end/81657).

On Wed, Mar 28, 2018 at 06:30:21PM +0200, Martin Liška wrote: > --- a/gcc/config/linux.c > +++ b/gcc/config/linux.c > @@ -37,3 +37,24 @@ linux_libc_has_function (enum function_class fn_class) > >return false; > } > + > +/* This hook determines whether a function from libc has a fast >

Re: [PATCH] [PR c++/84979] improve auto handling in explicit tmpl args for concepts

On Wed, Mar 28, 2018 at 5:06 AM, Alexandre Oliva wrote: > On Mar 23, 2018, Jason Merrill wrote: > >> On Fri, Mar 23, 2018 at 3:38 PM, Alexandre Oliva wrote: >>> + /* Concepts allows 'auto' in template arguments, even multiple >>> +

Re: [PATCH. rs6000] Fix PR84912: ICE using -m32 on __builtin_divde*, patch #2

On Wed, Mar 28, 2018 at 10:38:49AM -0500, Peter Bergner wrote: > On 3/27/18 5:02 PM, Segher Boessenkool wrote: > >> @@ -15952,6 +15953,10 @@ rs6000_invalid_builtin (enum rs6000_buil > >> name); > >>else if ((fnmask & RS6000_BTM_FLOAT128) != 0) > >> error ("builtin function %qs

Re: [PATCH] Prefer mempcpy to memcpy on x86_64 target (PR middle-end/81657).

On 03/28/2018 04:31 PM, Jakub Jelinek wrote: On Wed, Mar 28, 2018 at 04:18:45PM +0200, Martin Liška wrote: 2018-03-14 Martin Liska PR middle-end/81657 * builtins.c (expand_builtin_memory_copy_args): Handle situation when libc library provides a fast

Re: [patch, fortran] Simplify constants which come from parameter arrays

Hi Thomas, If I am not mistaken, the patch causes: FAIL: gfortran.dg/pr71935.f90 -O (test for excess errors) FAIL: gfortran.dg/substr_6.f90 -O0 execution test FAIL: gfortran.dg/substr_6.f90 -O1 execution test FAIL: gfortran.dg/substr_6.f90 -O2 execution test FAIL:

Re: [PATCH. rs6000] Fix PR84912: ICE using -m32 on __builtin_divde*, patch #2

On 3/27/18 5:02 PM, Segher Boessenkool wrote: >> @@ -15952,6 +15953,10 @@ rs6000_invalid_builtin (enum rs6000_buil >> name); >>else if ((fnmask & RS6000_BTM_FLOAT128) != 0) >> error ("builtin function %qs requires the %qs option", name, >> "-mfloat128"); >> + else if ((fnmask &

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Re: [PATCH] Fix typos (PR other/84819).

On 03/20/2018 04:49 PM, Martin Liška wrote: On 03/20/2018 04:28 PM, Gerald Pfeifer wrote: On Tue, 20 Mar 2018, Martin Liška wrote: There's patch for couple of documentation issues reported in the PR. Looks good to me, thanks! Just, should there be an "a" in "use jump table"? Looks good.

Re: [PATCH] Fix wrong use-after-scope sanitization for omp variable (PR sanitizer/85081).

On 03/28/2018 04:17 PM, Jakub Jelinek wrote: On Wed, Mar 28, 2018 at 04:14:45PM +0200, Martin Liška wrote: Hi. I'm sending Jakub's patch, where I removed the guard in asan_poison_variable. Patch can bootstrap on ppc64le-redhat-linux and survives regression tests. Martin gcc/ChangeLog:

[PATCH] Add pow -> exp hack for SPEC2k17 628.pop2_s (PR tree-optimization/82004, take 2)

On Wed, Mar 28, 2018 at 09:46:52AM +0200, Richard Biener wrote: > > +/* Return true if pow(cst, x) should be optimized into exp(log(cst) * x). > > */ > > + > > +static bool > > +optimize_pow_to_exp (tree arg0, tree arg1) > > +{ > > + return false; > > +} > > So instead of this simply guard the

[PATCH] Improve adc discovery during combine on x86 (PR target/85095, take 2)

On Wed, Mar 28, 2018 at 08:51:07AM +0200, Uros Bizjak wrote: > > --- gcc/config/i386/i386.md.jj 2018-03-27 12:54:54.685244368 +0200 > > +++ gcc/config/i386/i386.md 2018-03-27 19:38:43.891451026 +0200 > > @@ -6854,6 +6854,23 @@ (define_insn "add3_carry" > > (set_attr "pent_pair" "pu") > >

Re: [PATCH] Prefer mempcpy to memcpy on x86_64 target (PR middle-end/81657).

On Wed, Mar 28, 2018 at 04:18:45PM +0200, Martin Liška wrote: > 2018-03-14 Martin Liska > > PR middle-end/81657 > * builtins.c (expand_builtin_memory_copy_args): Handle situation > when libc library provides a fast mempcpy implementation/ > *

Re: [PR middle-end/70359] uncoalesce IVs outside of loops

On Wed, Mar 28, 2018 at 1:37 PM, Richard Biener wrote: > On Tue, Mar 20, 2018 at 2:36 PM, Richard Biener > wrote: >> On Mon, Mar 19, 2018 at 6:08 PM, Aldy Hernandez wrote: >>> Hi Richard. >>> >>> As discussed in the PR,

Re: [C++ Patch] PR 85028 ("[8 Regression] ICE on invalid C++ code: in tsubst_default_argument, at cp/pt.c:12340")

OK. On Wed, Mar 28, 2018 at 8:25 AM, Paolo Carlini wrote: > Hi, > > as I said in the audit trail, in its way this error recovery issue is > somewhat interesting: Jason's r251422 added some code at the beginning of > tsubst_default_argument, included the gcc_assert that

Re: [PATCH] Prefer mempcpy to memcpy on x86_64 target (PR middle-end/81657).

On 03/21/2018 11:34 AM, Jakub Jelinek wrote: On Wed, Mar 14, 2018 at 02:54:00PM +0100, Martin Liška wrote: The variable is not named very well, shouldn't it be avoid_libcall or something similar? Perhaps the variable should have a comment describing what it is. Do you need separate argument

Re: [PATCH] Fix wrong use-after-scope sanitization for omp variable (PR sanitizer/85081).

On Wed, Mar 28, 2018 at 04:14:45PM +0200, Martin Liška wrote: > Hi. > > I'm sending Jakub's patch, where I removed the guard in asan_poison_variable. > Patch can bootstrap on ppc64le-redhat-linux and survives regression tests. > > Martin > > gcc/ChangeLog: > > 2018-03-28 Jakub Jelinek

Re: [PATCH] Improve adc discovery during combine on x86 (PR target/85095, take 2)

On Wed, Mar 28, 2018 at 2:54 PM, Jakub Jelinek wrote: > On Wed, Mar 28, 2018 at 08:51:07AM +0200, Uros Bizjak wrote: >> > --- gcc/config/i386/i386.md.jj 2018-03-27 12:54:54.685244368 +0200 >> > +++ gcc/config/i386/i386.md 2018-03-27 19:38:43.891451026 +0200 >> > @@ -6854,6

[PATCH] Fix wrong use-after-scope sanitization for omp variable (PR sanitizer/85081).

Hi. I'm sending Jakub's patch, where I removed the guard in asan_poison_variable. Patch can bootstrap on ppc64le-redhat-linux and survives regression tests. Martin gcc/ChangeLog: 2018-03-28 Jakub Jelinek Martin Liska PR

[PATCH, GCC-7, GCC-6][ARM][PR target/84826] Backport Fix ICE in extract_insn, at recog.c:2304 on arm-linux-gnueabihf

Hi This patch is a request to backport r258777 and r258805 to gcc-7-branch and gcc-6-branch. The same ICE occurs in both the branches with -fstack-check. Thus the test case directive has been changed. The discussion on the patch that went into trunk is:

Re: [PATCH] Add pow -> exp hack for SPEC2k17 628.pop2_s (PR tree-optimization/82004, take 2)

On Wed, 28 Mar 2018, Jakub Jelinek wrote: > On Wed, Mar 28, 2018 at 09:46:52AM +0200, Richard Biener wrote: > > > +/* Return true if pow(cst, x) should be optimized into exp(log(cst) * > > > x). */ > > > + > > > +static bool > > > +optimize_pow_to_exp (tree arg0, tree arg1) > > > +{ > > > +

Re: [PATCH,nvptx] Fix PR85056

On 03/28/2018 03:43 PM, Cesar Philippidis wrote: OK for stage4 trunk. Can I backport this patch to GCC 6 and 7? Yes please. Thanks, - Tom

Re: [PATCH,nvptx] Fix PR85056

On 03/27/2018 01:17 AM, Tom de Vries wrote: > On 03/26/2018 11:57 PM, Cesar Philippidis wrote: >> As noted in PR85056, the nvptx BE isn't declaring external arrays using >> PTX array notation. Specifically, it's emitting code that's missing the >> empty angle brackets '[]'. > > [ FYI, see

[C++ Patch] PR 85028 ("[8 Regression] ICE on invalid C++ code: in tsubst_default_argument, at cp/pt.c:12340")

Hi, as I said in the audit trail, in its way this error recovery issue is somewhat interesting: Jason's r251422 added some code at the beginning of tsubst_default_argument, included the gcc_assert that triggers here. In fact, parmtype is only used in the assertion thus the error recovery

Re: [PATCH][i386,AVX] Fix PR84783 - backport missing permutexvar to GCC7

On Tue, Mar 27, 2018 at 03:18:12PM +, Peryt, Sebastian wrote: > Hi Jakub, > > Gentle ping. Ok for 7.4. > > > 2018-03-22 Sebastian Peryt > > > > > > gcc: > > > PR84783 > > > * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64) > > >

Re: [PATCH] Fix compile-time hog in MPX boundary checking (PR target/84988).

On Wed, Mar 28, 2018 at 08:31:38AM +0200, Martin Liška wrote: > Ok, so should we make the set of cum->bnds_in_bt based on > flag_check_pointer_bounds flag? > > If so, I've got patch that I've tested on my x86_64-linux-gnu machin. > > Martin > >From 7b5978e61305c5098a084c2352fcbacb4c347158 Mon

Re: [PR middle-end/70359] uncoalesce IVs outside of loops

On Tue, Mar 20, 2018 at 2:36 PM, Richard Biener wrote: > On Mon, Mar 19, 2018 at 6:08 PM, Aldy Hernandez wrote: >> Hi Richard. >> >> As discussed in the PR, the problem here is that we have two different >> iterations of an IV live outside of a loop.

Re: [PATCH PR81647][AARCH64] Fix handling of Unordered Comparisons in aarch64-simd.md

Hi On 20/03/18 10:57, Sudakshina Das wrote: Hi On 20/03/18 08:13, Christophe Lyon wrote: On 19 March 2018 at 19:55, Sudakshina Das wrote: Hi On 19/03/18 14:29, James Greenhalgh wrote: On Fri, Dec 15, 2017 at 11:57:46AM +, Sudi Das wrote: Hi This patch fixes the

Re: [PATCH] [PR c++/84979] improve auto handling in explicit tmpl args for concepts

On Mar 23, 2018, Jason Merrill wrote: > On Fri, Mar 23, 2018 at 3:38 PM, Alexandre Oliva wrote: >> + /* Concepts allows 'auto' in template arguments, even multiple >> + 'auto's in a single argument. > I think that's only intended for class templates;

Re: [PATCH] Add pow -> exp hack for SPEC2k17 628.pop2_s (PR tree-optimization/82004)

On Tue, 27 Mar 2018, Jakub Jelinek wrote: > Hi! > > As mentioned in the PR, sw_absorption.fppized.f90 relies on pow in > x = log10 (something) - y; > for (...) > { > x = x + y; > z = pow (10.0, x); > } > where x + y in the first iteration is exactly -3 to be >= 0.001, > unfortunately

Re: [PATCH] Improve adc discovery during combine on x86 (PR target/85095)

On Tue, Mar 27, 2018 at 11:11 PM, Jakub Jelinek wrote: > Hi! > > In 6.x we've changed unsigned if (a < b) a++; into ADD_OVERFLOW ifn, > which results in different expanded code, which on the following testcase > unfortunately doesn't combine anymore into the optimal 3

Re: [PATCH] Fix compile-time hog in MPX boundary checking (PR target/84988).

On 03/21/2018 01:44 PM, Jakub Jelinek wrote: On Wed, Mar 21, 2018 at 01:40:08PM +0100, Martin Liška wrote: 2018-03-21 Martin Liska PR target/84988 * config/i386/i386.c (ix86_function_arg_advance): Do not call chkp_type_bounds_count if MPX is not

Re: [PATCH] [PR c++/84943] allow folding of array indexing indirect_ref

On Mar 23, 2018, Jason Merrill wrote: > On Fri, Mar 23, 2018 at 4:55 PM, Jason Merrill wrote: >> On Fri, Mar 23, 2018 at 12:44 PM, Jason Merrill wrote: >>> Seems like cp_fold should update CALL_EXPR_FN with "callee" if non-null. >> >> Did