On Wed, Oct 13, 2021 at 11:34 AM Hongtao Liu wrote:
>
> On Tue, Oct 12, 2021 at 11:49 PM Martin Sebor wrote:
> >
> > On 10/11/21 8:31 PM, Hongtao Liu wrote:
> > > On Tue, Oct 12, 2021 at 4:08 AM Martin Sebor via Gcc-patches
> > > wrote:
> > >>
On Tue, Oct 12, 2021 at 11:49 PM Martin Sebor wrote:
>
> On 10/11/21 8:31 PM, Hongtao Liu wrote:
> > On Tue, Oct 12, 2021 at 4:08 AM Martin Sebor via Gcc-patches
> > wrote:
> >>
> >> On 10/11/21 11:43 AM, Segher Boessenkool wrote:
> >>> On Mon
On Tue, Oct 12, 2021 at 4:08 AM Martin Sebor via Gcc-patches
wrote:
>
> On 10/11/21 11:43 AM, Segher Boessenkool wrote:
> > On Mon, Oct 11, 2021 at 10:23:03AM -0600, Martin Sebor wrote:
> >> On 10/11/21 9:30 AM, Segher Boessenkool wrote:
> >>> On Mon, Oct 11, 2021 at 10:47:00AM +0800, Kewen.Lin wr
On Monday, October 11, 2021, Jakub Jelinek via Gcc-patches <
gcc-patches@gcc.gnu.org> wrote:
> On Mon, Oct 11, 2021 at 11:28:55AM +0200, Jakub Jelinek via Gcc-patches
> wrote:
> > I don't think this is the right thing to do.
> > This just means that at some point between 2013 when -fsimd-cost-mode
On Mon, Oct 11, 2021 at 4:55 PM Roger Sayle wrote:
>
>
> This patch contains two SUBREG-related optimization enabling tweaks to
> the x86 backend.
>
> The first change, to ix86_expand_vector_extract, cures the strange
> -march=cascadelake related non-determinism that affected my new test
> cases l
On Mon, Oct 11, 2021 at 10:23 AM Kewen.Lin via Gcc-patches
wrote:
>
> Hi Hongtao,
>
> on 2021/10/11 上午10:10, liuhongt via Gcc-patches wrote:
> > libgomp/ChangeLog:
> >
> > * testsuite/libgomp.graphite/force-parallel-8.c: Add
> > -fno-tree-vectorize.
> > ---
> > libgomp/testsuite/libgomp.gr
On Sat, Oct 9, 2021 at 3:51 PM Kewen.Lin via Gcc-patches
wrote:
>
> Hi,
>
> This patch fixes the typos introduced by commit r12-4240.
>
> The dg-warning format looks like:
>
> { dg-warning regexp [comment [{ target/xfail selector } [line] ]] }
>
> Some dg-warnings such as:
>
> { dg-warning "\\\[-W
On Sat, Oct 9, 2021 at 10:53 AM Hongtao Liu wrote:
>
> On Sat, Oct 9, 2021 at 1:27 AM sunil.k.pandey via Gcc-patches
> wrote:
> >
> > On Linux/x86_64,
> >
> > 2b8453c401b699ed93c085d0413ab4b5030bcdb8 is the first bad commit
> > commit 2b8453c401b699ed93c085
On Sat, Oct 9, 2021 at 1:27 AM sunil.k.pandey via Gcc-patches
wrote:
>
> On Linux/x86_64,
>
> 2b8453c401b699ed93c085d0413ab4b5030bcdb8 is the first bad commit
> commit 2b8453c401b699ed93c085d0413ab4b5030bcdb8
> Author: liuhongt
> Date: Mon Sep 6 13:48:49 2021 +0800
>
> Enable auto-vectoriza
On Fri, Oct 8, 2021 at 8:02 PM sunil.k.pandey via Gcc-patches
wrote:
>
> On Linux/x86_64,
>
> 2b8453c401b699ed93c085d0413ab4b5030bcdb8 is the first bad commit
> commit 2b8453c401b699ed93c085d0413ab4b5030bcdb8
> Author: liuhongt
> Date: Mon Sep 6 13:48:49 2021 +0800
>
> Enable auto-vectoriza
On Fri, Oct 8, 2021 at 5:31 PM liuhongt wrote:
>
> For AVX512-FP16, HFmode only supports vcmpsh whose dest is mask
> register, so for movhfcc, it's
>
> vcmpsh op2, op1, %k1
> vmovsh op1, op2{%k1}
> mov op2, dest
>
> gcc/ChangeLog:
>
> PR target/102639
> * config/i386/i386-expand.c
On Thu, Oct 7, 2021 at 11:38 PM H.J. Lu via Gcc-patches
wrote:
>
> On Thu, Oct 7, 2021 at 8:35 AM Martin Liška wrote:
> >
> > Hello.
> >
> > The patch is approved, are you planning committing the changes?
Committed.
> >
> > Thanks,
> > Martin
>
> Hongtao is on holiday. He will be back later toda
On Fri, Oct 1, 2021 at 6:13 PM Gerald Pfeifer wrote:
>
> On Fri, 24 Sep 2021, Hongtao Liu via Gcc-patches wrote:
> > + New ISA extension support for Intel AVX512-FP16 was added to GCC.
> > + AVX512FP16 intrinsics are available [...]
>
> So, is it AVX512-FP16 or A
On Tue, Sep 28, 2021 at 2:59 PM Richard Biener via Gcc-patches
wrote:
>
> On Mon, 27 Sep 2021, sunil.k.pandey wrote:
>
> > On Linux/x86_64,
> >
> > 6390c5047adb75960f86d56582e6322aaa4d9281 is the first bad commit
> > commit 6390c5047adb75960f86d56582e6322aaa4d9281
> > Author: Richard Biener
> > D
On Mon, Sep 27, 2021 at 8:53 PM Richard Biener
wrote:
>
> On Fri, Sep 24, 2021 at 1:26 PM liuhongt wrote:
> >
> > Hi:
> > Related discussion in [1] and PR.
> >
> > Bootstrapped and regtest on x86_64-linux-gnu{-m32,}.
> > Ok for trunk?
> >
> > [1] https://gcc.gnu.org/pipermail/gcc-patches/20
On Fri, Sep 24, 2021 at 9:08 PM Segher Boessenkool
wrote:
>
> On Mon, Sep 13, 2021 at 04:24:13PM +0200, Richard Biener wrote:
> > On Mon, Sep 13, 2021 at 4:10 PM Jeff Law via Gcc-patches
> > wrote:
> > > I'm not convinced that we need the inner mode to match anything. As
> > > long as the vec_co
ping
On Mon, Sep 13, 2021 at 11:19 PM Hongtao Liu wrote:
>
> On Mon, Sep 13, 2021 at 10:10 PM Jeff Law via Gcc-patches
> wrote:
> >
> >
> >
> > On 9/9/2021 10:36 PM, liuhongt via Gcc-patches wrote:
> > >Currently for (vec_concat:M (vec_s
On Thu, Sep 23, 2021 at 11:18 PM Martin Sebor wrote:
>
> On 9/23/21 12:30 AM, Richard Biener wrote:
> > On Thu, 23 Sep 2021, Hongtao Liu wrote:
> >
> >> On Thu, Sep 23, 2021 at 9:48 AM Hongtao Liu wrote:
> >>>
> >>> On Wed, Sep 22, 2021 at 10:21
On Fri, Sep 24, 2021 at 10:16 AM Hongyu Wang via Gcc-patches
wrote:
>
> > >This patch extend the expanders for cond_op to support vector HF modes.
> > >bootstraped and regtested on x86_64-pc-linux-gnu{-m32,}.
> > Do runtime tests passe on sde{-m32,}?
>
> Yes, forgot to mention this.
>
> Liu, Hongt
On Fri, Sep 24, 2021 at 9:42 AM H.J. Lu wrote:
>
> On Thu, Sep 23, 2021 at 6:38 PM Hongtao Liu wrote:
> >
> > On Fri, Sep 24, 2021 at 9:20 AM H.J. Lu wrote:
> > >
> > > On Thu, Sep 23, 2021 at 6:17 PM liuhongt wrote:
> > >
On Fri, Sep 24, 2021 at 9:20 AM H.J. Lu wrote:
>
> On Thu, Sep 23, 2021 at 6:17 PM liuhongt wrote:
> >
> > Updated, mention _Float16 support.
> >
> > ---
> > htdocs/gcc-12/changes.html | 13 -
> > 1 file changed, 12 insertions(+), 1 deletion(-)
> >
> > diff --git a/htdocs/gcc-12/chan
On Thu, Sep 23, 2021 at 9:48 AM Hongtao Liu wrote:
>
> On Wed, Sep 22, 2021 at 10:21 PM Martin Sebor wrote:
> >
> > On 9/21/21 7:38 PM, Hongtao Liu wrote:
> > > On Mon, Sep 20, 2021 at 4:13 AM Martin Sebor wrote:
> > ...
> > >>>>> diff --g
On Wed, Sep 22, 2021 at 10:21 PM Martin Sebor wrote:
>
> On 9/21/21 7:38 PM, Hongtao Liu wrote:
> > On Mon, Sep 20, 2021 at 4:13 AM Martin Sebor wrote:
> ...
> >>>>> diff --git a/gcc/testsuite/c-c++-common/Wstringop-overflow-2.c
> >>>>>
I'm going to check in 4 patches.
[PATCH 59/62] AVX512FP16: Support load/store/abs intrinsics.
[PATCH 60/62] AVX512FP16: Add reduce operators(add/mul/min/max).
[PATCH 61/62] AVX512FP16: Add complex conjugation intrinsic instructions.
[PATCH 62/62] AVX512FP16: Add permutation and mask blend intrinsi
I'm going to check in 7 patches.
[PATCH 49/62] AVX512FP16: Add vfcmaddcph/vfmaddcph/vfcmulcph/vfmulcph
[PATCH 50/62] AVX512FP16: Add testcases for
vfcmaddcph/vfmaddcph/vfcmulcph/vfmulcph.
[PATCH 51/62] AVX512FP16: Add vfcmaddcsh/vfmaddcsh/vfcmulcsh/vfmulcsh.
[PATCH 52/62] AVX512FP16: Add testcases
On Tue, Sep 21, 2021 at 10:55 PM H.J. Lu wrote:
>
> On Mon, Sep 20, 2021 at 5:15 AM Richard Biener via Gcc-patches
> wrote:
> >
> > This allows vectorization (in practice non-loop vectorization) to
> > have a stmt participate in different vector type vectorizations.
> > It allows us to remove vec
On Mon, Sep 20, 2021 at 4:13 AM Martin Sebor wrote:
>
> On 9/16/21 3:03 AM, Hongtao Liu via Gcc-patches wrote:
> > On Thu, Sep 16, 2021 at 4:23 PM Richard Biener via Gcc-patches
> > wrote:
> >>
> >> On Thu, 16 Sep 2021, liuhongt wrote:
> >
On Sunday, September 19, 2021, Iain Sandoe
wrote:
> Hi Hongtao,
>
> > On 8 Sep 2021, at 10:31, Hongtao Liu wrote:
> >
> > On Wed, Sep 8, 2021 at 5:09 PM Jakub Jelinek wrote:
> >>
> >> On Wed, Sep 08, 2021 at 10:37:17AM +0800, Hongtao Liu wrote:
> &g
On Sat, Sep 18, 2021 at 3:31 PM Jakub Jelinek wrote:
>
> On Sat, Sep 18, 2021 at 11:09:32AM +0800, liuhongt wrote:
> > Besides conversion instructions, pass_rpad also handles scalar
> > sqrt/rsqrt/rcp/round instructions, while r12-3614 should only want to
> > handle conversion instructions, so fix
Hi:
I'm going to check the 9 patches below.
Bootstrapped and regtest on x86_64-pc-linux-gnu{-m32,}.
Newly added testcase passed on sde{-m32,}.
[PATCH 40/62] AVX512FP16: Add vfmaddsub[132, 213,
231]ph/vfmsubadd[132, 213, 231]ph.
[PATCH 41/62] AVX512FP16: Add testcase for vfmaddsub[132, 213,
2
On Sat, Sep 18, 2021 at 7:50 AM Jakub Jelinek via Gcc-patches
wrote:
>
> On Fri, Sep 17, 2021 at 08:35:57AM +0200, Uros Bizjak via Gcc-patches wrote:
> > > > On Wed, Sep 15, 2021 at 10:10 AM wrote:
> > > > >
> > > > > From: "H.J. Lu"
> > > > >
> > > > > Check TARGET_USE_VECTOR_FP_CONVERTS or
> >
I'm going to check in 10 patches.
[PATCH 30/62] AVX512FP16: Add vcvtsh2si/vcvtsh2usi/vcvtsi2sh/vcvtusi2sh.
[PATCH 31/62] AVX512FP16: Add testcase for
vcvtsh2si/vcvtsh2usi/vcvtsi2sh/vcvtusi2sh.
[PATCH 32/62] AVX512FP16: Add
vcvttph2w/vcvttph2uw/vcvttph2dq/vcvttph2qq/vcvttph2udq/vcvttph2uqq
[PATCH 3
On Fri, Sep 17, 2021 at 3:47 PM Richard Biener wrote:
>
> On Fri, 17 Sep 2021, Hongtao Liu wrote:
>
> > On Thu, Sep 16, 2021 at 8:31 PM Richard Biener wrote:
> > >
> > > On Thu, 16 Sep 2021, Hongtao Liu wrote:
> > >
> > > > On Thu,
On Thu, Sep 16, 2021 at 8:31 PM Richard Biener wrote:
>
> On Thu, 16 Sep 2021, Hongtao Liu wrote:
>
> > On Thu, Sep 16, 2021 at 4:23 PM Richard Biener via Gcc-patches
> > wrote:
> > >
> > > On Thu, 16 Sep 2021, liuhongt wrote:
> > &
On Thu, Sep 16, 2021 at 4:23 PM Richard Biener via Gcc-patches
wrote:
>
> On Thu, 16 Sep 2021, liuhongt wrote:
>
> > Ping
> > rebased on latest trunk.
> >
> > gcc/ChangeLog:
> >
> > * common.opt (ftree-vectorize): Add Var(flag_tree_vectorize).
> > * doc/invoke.texi (Options That Contro
I'm going to check in 6 patches
[PATCH 24/62] AVX512FP16: Add vmovw/vmovsh.
[PATCH 25/62] AVX512FP16: Add testcase for vmovsh/vmovw.
[PATCH 26/62] AVX512FP16: Add
vcvtph2dq/vcvtph2qq/vcvtph2w/vcvtph2uw/vcvtph2uqq/vcvtph2udq
[PATCH 27/62] AVX512FP16: Add testcase for
vcvtph2w/vcvtph2uw/vcvtph2dq/vc
i'm going to commit 8 patches:
[PATCH 16/62] AVX512FP16: Add vsqrtph/vrsqrtph/vsqrtsh/vrsqrtsh.
[PATCH 17/62] AVX512FP16: Add testcase for vsqrtph/vsqrtsh/vrsqrtph/vrsqrtsh.
[PATCH 18/62] AVX512FP16: Add vrcpph/vrcpsh/vscalefph/vscalefsh.
[PATCH 19/62] AVX512FP16: Add testcase for vrcpph/vrcpsh/vs
On Tue, Sep 14, 2021 at 10:06 AM Hongtao Liu wrote:
>
> On Tue, Sep 14, 2021 at 8:58 AM Andrew Pinski wrote:
> >
> > On Wed, Sep 8, 2021 at 2:55 AM Hongtao Liu via Gcc-patches
> > wrote:
> > >
> > > On Wed, Sep 8, 2021 at 5:33 PM Jakub Jelinek wrote:
On Tue, Sep 14, 2021 at 8:58 AM Andrew Pinski wrote:
>
> On Wed, Sep 8, 2021 at 2:55 AM Hongtao Liu via Gcc-patches
> wrote:
> >
> > On Wed, Sep 8, 2021 at 5:33 PM Jakub Jelinek wrote:
> > >
> > > On Wed, Sep 08, 2021 at 05:23:40PM +0800, Hongtao Liu wro
On Mon, Sep 13, 2021 at 10:10 PM Jeff Law via Gcc-patches
wrote:
>
>
>
> On 9/9/2021 10:36 PM, liuhongt via Gcc-patches wrote:
> >Currently for (vec_concat:M (vec_select op0 idx1)(vec_select op0 idx2)),
> > optimizer wouldn't simplify if op0 has different mode with M, but that's too
> > restri
On Mon, Sep 13, 2021 at 10:10 PM Jeff Law via Gcc-patches
wrote:
>
>
>
> On 9/9/2021 10:36 PM, liuhongt via Gcc-patches wrote:
> >Currently for (vec_concat:M (vec_select op0 idx1)(vec_select op0 idx2)),
> > optimizer wouldn't simplify if op0 has different mode with M, but that's too
> > restri
On Mon, Sep 13, 2021 at 5:15 PM Richard Biener
wrote:
>
> On Mon, Sep 13, 2021 at 8:26 AM Hongtao Liu wrote:
> >
> > On Mon, Sep 13, 2021 at 2:11 PM Richard Biener via Gcc-patches
> > wrote:
> > >
> > > On Fri, Sep 10, 2021 at 2:58 PM liuh
On Mon, Sep 13, 2021 at 2:11 PM Richard Biener via Gcc-patches
wrote:
>
> On Fri, Sep 10, 2021 at 2:58 PM liuhongt wrote:
> >
> > gcc/ChangeLog:
> >
> > * expmed.c (extract_bit_field_using_extv): validate_subreg
> > before call gen_lowpart.
> > ---
> > gcc/expmed.c | 6 +-
> >
On Sat, Sep 11, 2021 at 5:51 PM Hongtao Liu wrote:
>
> On Sat, Sep 11, 2021 at 4:25 PM Richard Biener via Gcc-patches
> wrote:
> >
> > On September 10, 2021 11:27:16 PM GMT+02:00, Segher Boessenkool
> > wrote:
> > >On Fri, Sep 10, 2021 at 08:36:12PM +0
On Sat, Sep 11, 2021 at 4:25 PM Richard Biener via Gcc-patches
wrote:
>
> On September 10, 2021 11:27:16 PM GMT+02:00, Segher Boessenkool
> wrote:
> >On Fri, Sep 10, 2021 at 08:36:12PM +0200, Richard Biener wrote:
> >> On September 10, 2021 6:24:50 PM GMT+02:00, Segher Boessenkool
> >> wrote:
On Sat, Sep 11, 2021 at 8:29 AM Hongtao Liu wrote:
>
> On Sat, Sep 11, 2021 at 5:21 AM Segher Boessenkool
> wrote:
> >
> > On Fri, Sep 10, 2021 at 10:25:45PM +0800, Hongtao Liu wrote:
> > > Updated patch.
> > >
> > > Bootstrapped and reg
On Sat, Sep 11, 2021 at 5:21 AM Segher Boessenkool
wrote:
>
> On Fri, Sep 10, 2021 at 10:25:45PM +0800, Hongtao Liu wrote:
> > Updated patch.
> >
> > Bootstrapped and regtested on x86_64-linux-gnu{-m32,}, do I need to
> > run this patch on other targets machin
On Fri, Sep 10, 2021 at 9:44 PM Hongtao Liu wrote:
>
> On Fri, Sep 10, 2021 at 9:32 PM Richard Biener
> wrote:
> >
> > On September 10, 2021 3:27:09 PM GMT+02:00, Hongtao Liu
> > wrote:
> > >On Fri, Sep 10, 2021 at 9:16 PM Richard Biener via Gcc-patches
&g
On Fri, Sep 10, 2021 at 10:08 PM David Edelsohn wrote:
>
> On Thu, Sep 9, 2021 at 11:03 PM Hongtao Liu wrote:
> >
> > On Fri, Sep 10, 2021 at 7:49 AM Segher Boessenkool
> > wrote:
> > >
> > > On Thu, Sep 09, 2021 at 08:16:16AM +0200, Richard Biener
On Fri, Sep 10, 2021 at 9:32 PM Richard Biener
wrote:
>
> On September 10, 2021 3:27:09 PM GMT+02:00, Hongtao Liu
> wrote:
> >On Fri, Sep 10, 2021 at 9:16 PM Richard Biener via Gcc-patches
> > wrote:
> >>
> >> On Fri, Sep 10, 2021 at 2:58 PM liuho
On Fri, Sep 10, 2021 at 9:32 PM Richard Biener
wrote:
>
> On September 10, 2021 3:27:09 PM GMT+02:00, Hongtao Liu
> wrote:
> >On Fri, Sep 10, 2021 at 9:16 PM Richard Biener via Gcc-patches
> > wrote:
> >>
> >> On Fri, Sep 10, 2021 at 2:58 PM liuho
On Fri, Sep 10, 2021 at 9:27 PM Hongtao Liu wrote:
>
> On Fri, Sep 10, 2021 at 9:16 PM Richard Biener via Gcc-patches
> wrote:
> >
> > On Fri, Sep 10, 2021 at 2:58 PM liuhongt wrote:
> > >
> > > gcc/ChangeLog:
> > >
> > > *
On Fri, Sep 10, 2021 at 9:16 PM Richard Biener via Gcc-patches
wrote:
>
> On Fri, Sep 10, 2021 at 2:58 PM liuhongt wrote:
> >
> > gcc/ChangeLog:
> >
> > * expmed.c (extract_bit_field_using_extv): validate_subreg
> > before call gen_lowpart.
> > ---
> > gcc/expmed.c | 6 +-
> >
On Fri, Sep 10, 2021 at 7:25 PM Hongtao Liu wrote:
>
> On Fri, Sep 10, 2021 at 6:54 PM Richard Biener
> wrote:
> >
> > On Fri, Sep 10, 2021 at 5:03 AM Hongtao Liu wrote:
> > >
> > > On Fri, Sep 10, 2021 at 7:49 AM Segher Boessenkool
> > > wrot
On Fri, Sep 10, 2021 at 6:54 PM Richard Biener
wrote:
>
> On Fri, Sep 10, 2021 at 5:03 AM Hongtao Liu wrote:
> >
> > On Fri, Sep 10, 2021 at 7:49 AM Segher Boessenkool
> > wrote:
> > >
> > > On Thu, Sep 09, 2021 at 08:16:16AM +0200, Richard Biener wrote
On Thu, Jul 1, 2021 at 2:17 PM liuhongt wrote:
>
> From: "H.J. Lu"
>
> gcc/ChangeLog:
>
> * config/i386/i386-expand.c
> (ix86_avx256_split_vector_move_misalign): Handle V16HF mode.
> * config/i386/i386.c
> (ix86_preferred_simd_mode): Handle HF mode.
> * con
On Thu, Sep 9, 2021 at 4:00 PM Hongtao Liu wrote:
>
> On Thu, Sep 9, 2021 at 3:54 PM liuhongt wrote:
> >
> > Hi:
> > As a follow up of [1], the patch removes all scalar mode copysign related
> > post_reload splitter/define_insn and expand copysign directly into be
On Fri, Sep 10, 2021 at 7:49 AM Segher Boessenkool
wrote:
>
> On Thu, Sep 09, 2021 at 08:16:16AM +0200, Richard Biener wrote:
> > > I think we should (longer term) get rid of the overloaded meanings and
> > > uses of subregs. One fairly simple thing is to make a new rtx code
> > > "bit_cast" (or
On Thu, Sep 9, 2021 at 11:31 PM H.J. Lu wrote:
>
> On Wed, Jul 21, 2021 at 12:44 AM liuhongt wrote:
> >
> > From: "H.J. Lu"
> >
> > Copied from regular XMM ABI tests. Only run AVX512FP16 ABI tests for ELF
> > targets.
> >
> > gcc/testsuite/ChangeLog:
> >
> > * gcc.target/x86_64/abi/avx51
On Thu, Sep 9, 2021 at 3:54 PM liuhongt wrote:
>
> Hi:
> As a follow up of [1], the patch removes all scalar mode copysign related
> post_reload splitter/define_insn and expand copysign directly into below using
> paradoxical subregs.
[1] https://gcc.gnu.org/pipermail/gcc-patches/2021-September
On Thu, Jul 1, 2021 at 2:17 PM liuhongt wrote:
>
> gcc/ChangeLog:
>
> * config.gcc: Add avx512fp16vlintrin.h.
> * config/i386/avx512fp16intrin.h: (_mm512_add_ph): New intrinsic.
> (_mm512_mask_add_ph): Likewise.
> (_mm512_maskz_add_ph): Likewise.
> (_mm512_s
On Thu, Sep 9, 2021 at 11:21 AM H.J. Lu via Gcc-patches
wrote:
>
> 1. Add TARGET_AVX256_MOVE_BY_PIECES to perform move by-pieces operation
> with 256-bit AVX instructions.
> 2. Add TARGET_AVX256_STORE_BY_PIECES to perform move and store by-pieces
> operations with 256-bit AVX instructions.
>
> The
On Thu, Sep 9, 2021 at 3:17 AM Segher Boessenkool
wrote:
>
> On Wed, Sep 08, 2021 at 08:39:31PM +0200, Richard Biener wrote:
> > On September 8, 2021 7:08:09 PM GMT+02:00, Segher Boessenkool
> > wrote:
> > >It is not a good idea to do allow all those things. Most backends can
> > >only support
On Thu, Sep 9, 2021 at 3:17 AM Segher Boessenkool
wrote:
>
> On Wed, Sep 08, 2021 at 08:39:31PM +0200, Richard Biener wrote:
> > On September 8, 2021 7:08:09 PM GMT+02:00, Segher Boessenkool
> > wrote:
> > >It is not a good idea to do allow all those things. Most backends can
> > >only support
On Wed, Sep 8, 2021 at 6:02 PM Jakub Jelinek wrote:
>
> On Wed, Sep 08, 2021 at 06:00:50PM +0800, Hongtao Liu wrote:
> > Yes, I think so.
> > And I find paradoxical subreg like (subreg:V4SF (reg:SF)) are not
> > allowed by validate_subreg until r11-621.
> > That
On Wed, Sep 8, 2021 at 5:33 PM Jakub Jelinek wrote:
>
> On Wed, Sep 08, 2021 at 05:23:40PM +0800, Hongtao Liu wrote:
> > > Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
> > >
> > Patch LGTM.
>
> Thanks, committed.
>
> > PS:
&
On Wed, Sep 8, 2021 at 5:09 PM Jakub Jelinek wrote:
>
> On Wed, Sep 08, 2021 at 10:37:17AM +0800, Hongtao Liu wrote:
> > Bootstrapped and regtested on x86_64-linux-gnu{-m32,}.
> > Ok for trunk?
> >
> > libgcc/ChangeLog:
> >
> > * config/
On Wed, Sep 8, 2021 at 3:43 PM Jakub Jelinek via Gcc-patches
wrote:
>
> Hi!
>
> As the testcase shows, we miscompile @xorsign3_1 if both input
> operands are in the same register, because the splitter overwrites op1
> before with op1 & mask before using op0.
>
> For dest = xorsign op0, op0 we can
On Wed, Sep 8, 2021 at 10:54 AM Hongtao Liu wrote:
>
> On Wed, Jul 21, 2021 at 3:43 PM liuhongt wrote:
> >
> > Hi:
> > As discussed in [1], this patch support _Float16 under target sse2
> > and above, w/o avx512fp16, _Float16 type is storage only, all operations
&
On Wed, Jul 21, 2021 at 3:43 PM liuhongt wrote:
>
> Hi:
> As discussed in [1], this patch support _Float16 under target sse2
> and above, w/o avx512fp16, _Float16 type is storage only, all operations
> are emulated by soft-fp and float instructions. Soft-fp keeps the intermediate
> result of the
On Wed, Sep 8, 2021 at 8:54 AM Hongtao Liu wrote:
>
> On Tue, Sep 7, 2021 at 8:29 PM Jakub Jelinek via Gcc-patches
> wrote:
> >
> > On Mon, Sep 06, 2021 at 10:58:53AM +0200, Jakub Jelinek via Gcc-patches
> > wrote:
> > > On Mon, Sep 06, 2021 at 08:49:27AM +0
On Wed, Sep 8, 2021 at 7:20 AM Segher Boessenkool
wrote:
>
> On Fri, Sep 03, 2021 at 05:05:47PM +0200, Andreas Schwab wrote:
> > On Sep 02 2021, Segher Boessenkool wrote:
> > > On Tue, Aug 31, 2021 at 07:17:49PM +0800, liuhongt via Gcc-patches wrote:
> > >>* emit-rtl.c (validate_subreg): Get r
On Tue, Sep 7, 2021 at 8:29 PM Jakub Jelinek via Gcc-patches
wrote:
>
> On Mon, Sep 06, 2021 at 10:58:53AM +0200, Jakub Jelinek via Gcc-patches wrote:
> > On Mon, Sep 06, 2021 at 08:49:27AM +0100, Iain Sandoe wrote:
> > > > Ok. The *.ver changes are still needed (see above), but that can be
> >
On Tue, Sep 7, 2021 at 3:18 PM Jakub Jelinek wrote:
>
> On Tue, Sep 07, 2021 at 09:52:57AM +0800, Hongtao Liu wrote:
> > Adjust the wording for x86 _Float16 type.
> >
> > gcc/ChangeLog:
> >
> > * doc/extend.texi: (@node Floating Types): Adjust the wordin
On Tue, Sep 7, 2021 at 12:37 AM Joseph Myers wrote:
>
> On Mon, 6 Sep 2021, liuhongt via Gcc-patches wrote:
>
> > Hi:
> > As discussed in [1], most of (currently unopposed) targets want
> > auto-vectorization at O2, and IMHO now would be a good time to enable O2
> > vectorization for GCC trunk,
On Mon, Sep 6, 2021 at 8:13 PM Jakub Jelinek wrote:
>
> On Mon, Sep 06, 2021 at 10:05:00AM +0800, Hongtao Liu wrote:
>
> > @@ -1076,9 +1076,11 @@ systems where @code{__float128} is supported.
> > The @code{_Float32}
> > type is supported on all systems supporting IE
On Mon, Sep 6, 2021 at 8:35 PM H.J. Lu wrote:
>
> On Sun, Sep 5, 2021 at 10:34 PM Hongtao Liu wrote:
> >
> > On Sun, Sep 5, 2021 at 5:56 AM H.J. Lu via Gcc-patches
> > wrote:
> > >
> > > Enable FMA in scalar/vector unsigned SI to SF expanders.
>
On Mon, Sep 6, 2021 at 7:01 PM Jakub Jelinek wrote:
>
> On Mon, Sep 06, 2021 at 06:58:37PM +0800, Hongtao Liu wrote:
> > > process_options would mean it affects only the command line and not
> > > __attribute__((optimize ("O2", "ftree-vectorize")))
On Mon, Sep 6, 2021 at 5:42 PM Jakub Jelinek via Gcc-patches
wrote:
>
> On Mon, Sep 06, 2021 at 11:18:47AM +0200, Richard Biener wrote:
> > On Mon, Sep 6, 2021 at 10:47 AM liuhongt via Gcc-patches
> > wrote:
> > >
> > > Hi:
> > > As discussed in [1], most of (currently unopposed) targets want
>
On Mon, Sep 6, 2021 at 6:03 PM Richard Biener via Gcc-patches
wrote:
>
> On Mon, 6 Sep 2021, liuhongt wrote:
>
> > Hi:
> > For the conversion from _Float16 to int, if the corresponding optab
> > does not exist, the compiler will try the wider mode (SFmode here),
> > but when floatsfsi exists but
On Mon, Sep 6, 2021 at 5:19 PM Richard Biener via Gcc-patches
wrote:
>
> On Mon, Sep 6, 2021 at 10:47 AM liuhongt via Gcc-patches
> wrote:
> >
> > Hi:
> > As discussed in [1], most of (currently unopposed) targets want
> > auto-vectorization at O2, and IMHO now would be a good time to enable O2
On Mon, Sep 6, 2021 at 2:54 PM Richard Biener
wrote:
>
> On Thu, Sep 2, 2021 at 7:54 PM Richard Sandiford
> wrote:
> >
> > Hongtao Liu via Gcc-patches writes:
> > > On Wed, Sep 1, 2021 at 8:52 PM Richard Sandiford
> > > wrote:
> > >>
> >
On Mon, Sep 6, 2021 at 4:46 PM liuhongt via Gcc-patches
wrote:
>
> Hi:
> As discussed in [1], most of (currently unopposed) targets want
> auto-vectorization at O2, and IMHO now would be a good time to enable O2
> vectorization for GCC trunk, so it would leave enough time to expose
> related iss
On Sun, Sep 5, 2021 at 5:56 AM H.J. Lu via Gcc-patches
wrote:
>
> Enable FMA in scalar/vector unsigned SI to SF expanders.
>
> gcc/
>
> PR target/85819
> * config/i386/i386-expand.c (ix86_expand_convert_uns_sisf_sse):
> Enable FMA.
> (ix86_expand_vector_convert_uns_
On Sun, Sep 5, 2021 at 5:54 AM H.J. Lu via Gcc-patches
wrote:
>
> Add non-destructive source alternative to @xorsign3_1 for AVX.
LGTM.
>
> gcc/
>
> PR target/89984
> * config/i386/i386-expand.c (ix86_split_xorsign): Use operands[2].
> * config/i386/i386.md (@xorsign3_1): Ad
On Fri, Sep 3, 2021 at 8:42 PM Jakub Jelinek via Gcc-patches
wrote:
>
> On Mon, Aug 02, 2021 at 02:31:12PM +0800, liuhongt via Gcc-patches wrote:
> > * doc/extend.texi (Half-Precision Floating Point): Documemt
> > _Float16 for x86.
>
> > --- a/gcc/doc/extend.texi
> > +++ b/gcc/doc/exte
On Fri, Sep 3, 2021 at 5:01 PM Jakub Jelinek via Gcc-patches
wrote:
>
> On Fri, Sep 03, 2021 at 03:41:13PM +0800, liuhongt via Gcc-patches wrote:
> > --- a/libgcc/config/i386/64/t-softfp
> > +++ b/libgcc/config/i386/64/t-softfp
> > @@ -1 +1,6 @@
> > softfp_extras := fixhfti fixunshfti floattihf f
On Fri, Sep 3, 2021 at 5:01 PM Jakub Jelinek via Gcc-patches
wrote:
>
> On Fri, Sep 03, 2021 at 03:41:13PM +0800, liuhongt via Gcc-patches wrote:
> > --- a/libgcc/config/i386/64/t-softfp
> > +++ b/libgcc/config/i386/64/t-softfp
> > @@ -1 +1,6 @@
> > softfp_extras := fixhfti fixunshfti floattihf f
On Thursday, September 2, 2021, H.J. Lu wrote:
> On Wed, Sep 1, 2021 at 11:00 PM Hongtao Liu wrote:
> >
> > I'm going to check in the first 3 patches which are already approved.
> >
> > Update hf soft-fp from glibc.
> > [i386] Enable _Float16 type
On Thursday, September 2, 2021, Iain Sandoe wrote:
> Hi Hongtao.
>
> > On 2 Sep 2021, at 07:06, Hongtao Liu via Gcc-patches <
> gcc-patches@gcc.gnu.org> wrote:
> >
> > I'm going to check in the first 3 patches which are already approved.
> >
> >
On Wed, Sep 1, 2021 at 8:52 PM Richard Sandiford
wrote:
>
> Richard Biener writes:
> > On Wed, Sep 1, 2021 at 8:28 AM Hongtao Liu wrote:
> >>
> >> On Tue, Aug 31, 2021 at 7:56 PM Richard Biener
> >> wrote:
> >> >
> >> > On Tue, Au
On Tue, Aug 24, 2021 at 5:39 PM Hongtao Liu wrote:
>
> On Tue, Aug 17, 2021 at 9:53 AM Hongtao Liu wrote:
> >
> > On Fri, Aug 6, 2021 at 2:06 PM Hongtao Liu wrote:
> > >
> > > On Tue, Aug 3, 2021 at 10:44 AM Hongtao Liu wrote:
> > > >
>
I'm going to check in the first 3 patches which are already approved.
Update hf soft-fp from glibc.
[i386] Enable _Float16 type for TARGET_SSE2 and above.
[i386] libgcc: Enable hfmode soft-sf/df/xf/tf extensions and
truncations.
On Mon, Aug 2, 2021 at 2:31 PM liuhongt wrote:
>
> Update
On Tue, Aug 31, 2021 at 7:56 PM Richard Biener
wrote:
>
> On Tue, Aug 31, 2021 at 12:18 PM Hongtao Liu wrote:
> >
> > On Mon, Aug 30, 2021 at 8:25 PM Richard Biener via Gcc-patches
> > wrote:
> > >
> > > On Fri, Aug 27, 2021 at 8:53 AM liuh
On Mon, Aug 30, 2021 at 8:25 PM Richard Biener via Gcc-patches
wrote:
>
> On Fri, Aug 27, 2021 at 8:53 AM liuhongt wrote:
> >
> > When gimple simplifcation try to combine op and vec_cond_expr to cond_op,
> > it doesn't check if mask type matches. It causes an ICE when expand cond_op
> > with mi
On Tue, Aug 31, 2021 at 2:30 PM Hongtao Liu wrote:
>
> On Tue, Aug 31, 2021 at 2:11 PM Richard Biener
> wrote:
> >
> > On Fri, Aug 27, 2021 at 6:50 AM Hongtao Liu wrote:
> > >
> > > On Thu, Aug 26, 2021 at 7:09 PM Richard Biener via Gcc-patches
> > &
On Tue, Aug 31, 2021 at 2:11 PM Richard Biener
wrote:
>
> On Fri, Aug 27, 2021 at 6:50 AM Hongtao Liu wrote:
> >
> > On Thu, Aug 26, 2021 at 7:09 PM Richard Biener via Gcc-patches
> > wrote:
> > >
> > > On Thu, Aug 26, 2021 at 12:50 PM Richard Sandi
On Fri, Aug 27, 2021 at 10:03 AM Kong, Lingling via Gcc-patches
wrote:
>
> Hi,
>
> For avx512f_scattersi, mask operand only affect set src, we need
> to refine the pattern to let gcc know mask register also affect the dest.
> So we put mask operand into UNSPEC_VSIBADDR.
>
> Bootstrapped and regre
On Thu, Aug 26, 2021 at 7:09 PM Richard Biener via Gcc-patches
wrote:
>
> On Thu, Aug 26, 2021 at 12:50 PM Richard Sandiford
> wrote:
> >
> > Richard Biener via Gcc-patches writes:
> > > On Thu, Aug 26, 2021 at 11:06 AM Richard Sandiford
> > > wrote:
> > >>
> > >> Richard Biener via Gcc-patches
On Thu, Aug 26, 2021 at 12:57 PM liuhongt wrote:
>
> This patch is a follow-up to [1], it fold all shufps/shufpd builtins into
> gimple.
Of course for non-mask or mask all-ones version.
> Bootstrapped and regtested on x86_64-linux-gnu{-m32,}.
>
> [1] https://gcc.gnu.org/pipermail/gcc-patches/
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