From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vk1-xa31.google.com (mail-vk1-xa31.google.com [IPv6:2607:f8b0:4864:20::a31]) by sourceware.org (Postfix) with ESMTPS id B11C13858D39 for ; Thu, 21 Oct 2021 02:07:17 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org B11C13858D39 Received: by mail-vk1-xa31.google.com with SMTP id l39so13014728vkd.7 for ; Wed, 20 Oct 2021 19:07:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=h7P7r/6YdGuwQpG74Sf9JZLGljjvoMHNXXaDfXHHqX8=; b=Y07CTyHkmpmyeaYx9yrJ1PkqfCDEX8Nq8hODm/Yv/MmDNHUS5OG2V+6IiaRaqjfFDB a6qkxM7ws62h5YrKnshMDXYszFsLwZilunFq3hlOh6xrbUCqEO7CawVjaXi4gn1iVMZK tBmUaxx5zuce7OWQuM5KzDYXrRXEVU4Us1ggnjcuyWgdZkeW+0fcNfhKgLCUDza3Xytx HwkPVS2VHbm8OO+7QWJgpR1gVmfAITwEikhbU242n4RmRjKZMyryavkJE5POU87OPRh9 7nqADBkptLKtOnDmqH41u+xo12uTYMI4W4dpoqGZttIJRVZCfJv/BPjiv33TZZslDLp3 iRLQ== X-Gm-Message-State: AOAM532Yt9OsNfWmDoAcG7w6DulMQnFiE/vDczDrs8MAmEM7RqezilrT MC8ZMVyHBebegYxuqSnka2weFdiS76PcVLTz6Se5z71ZRJI= X-Google-Smtp-Source: ABdhPJztEKFaWZedDvtbZOdbibEhLw97++lDpyWqj5g8OnAC+n5Jd4LG5xjYhRnOIbt3ktRtbYsRFHfxQNFBrCep5Lo= X-Received: by 2002:a1f:3409:: with SMTP id b9mr3113871vka.21.1634782036610; Wed, 20 Oct 2021 19:07:16 -0700 (PDT) MIME-Version: 1.0 References: <20211019090310.14811-1-hongtao.liu@intel.com> In-Reply-To: From: Hongtao Liu Date: Thu, 21 Oct 2021 10:07:03 +0800 Message-ID: Subject: Re: [PATCH] Adjust testcase for O2 vectorization. To: Christophe Lyon Cc: liuhongt , GCC Patches Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-8.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Oct 2021 02:07:22 -0000 On Thu, Oct 21, 2021 at 10:06 AM Hongtao Liu wrote: > > On Thu, Oct 21, 2021 at 9:20 AM Hongtao Liu wrote: > > > > On Wed, Oct 20, 2021 at 7:34 PM Christophe Lyon via Gcc-patches > > wrote: > > > > > > Hi, > > > > > > > > > On Tue, Oct 19, 2021 at 11:03 AM liuhongt via Gcc-patches < > > > gcc-patches@gcc.gnu.org> wrote: > > > > > > > updated patch: > > > > 1. Add documents in doc/sourcebuild.texi (Effective-Target Keywords). > > > > 2. Reduce -novec.c testcases to contain only new failed parted which > > > > is caused by O2 vectorization. > > > > 3. Add PR in dg-warning comment. > > > > > > > > As discussed in [1], this patch add xfail/target selector to those > > > > testcases, also make a copy of them so that they can be tested w/o > > > > vectorization. > > > > > > > > Newly added xfail/target selectors are used to check the vectorization > > > > capability of continuous byte/double bytes storage, these scenarios > > > > are exactly the part of the testcases that regressed after O2 > > > > vectorization. > > > > > > > > [1] https://gcc.gnu.org/pipermail/gcc-patches/2021-October/581456.html. > > > > > > > > gcc/ChangeLog > > > > > > > > * doc/sourcebuild.texi (Effective-Target Keywords): Document > > > > vect_slp_v2qi_store, vect_slp_v4qi_store, vect_slp_v8qi_store, > > > > vect_slp_v16qi_store, vect_slp_v2hi_store, > > > > vect_slp_v4hi_store, vect_slp_v2si_store, vect_slp_v4si_store. > > > > > > > > gcc/testsuite/ChangeLog > > > > > > > > PR middle-end/102722 > > > > PR middle-end/102697 > > > > PR middle-end/102462 > > > > PR middle-end/102706 > > > > PR middle-end/102744 > > > > * c-c++-common/Wstringop-overflow-2.c: Adjust testcase with new > > > > xfail/target selector. > > > > * gcc.dg/Warray-bounds-51.c: Ditto. > > > > * gcc.dg/Warray-parameter-3.c: Ditto. > > > > * gcc.dg/Wstringop-overflow-14.c: Ditto. > > > > * gcc.dg/Wstringop-overflow-21.c: Ditto. > > > > * gcc.dg/Wstringop-overflow-68.c: Ditto. > > > > * gcc.dg/Wstringop-overflow-76.c: Ditto. > > > > * gcc.dg/Warray-bounds-48.c: Ditto. > > > > * gcc.dg/Wzero-length-array-bounds-2.c: Ditto. > > > > > > > > > > Some of these adjustments cause regressions on arm / aarch64, the exact > > > list depends on the target/flags. > > > See > > > https://people.linaro.org/~christophe.lyon/cross-validation/gcc/trunk/r12-4525-gf36240f8c835d792f788b6724e272fc0a4a4f26f/report-build-info.html > > > for more on details on several combinations. > > > > > > Can you have a look? > > Yes. > Testcase in target-support doesn't match real testcase, .i.e. for v4qi > vectorization, it's > char a[4]; > void foo () > { > a[0] = 0; > a[1] = 1; > a[2] = 2; > a[3] = 3; > } > > vs > > typedef struct AC2 { char a[2]; } AC2; > typedef struct AC4 { char a[4]; } AC4; > #define Ac4 (AC4){ 0, 1, 2, 3 } > extern char a2[2]; > extern char a4[4]; > void > foo () > { > *(AC4*)a2 = Ac4; > } > > The former can be vectorized by aarch64-linux-gcc, but the latter > can't be which cause ned FAIL, similar for other XPASS cases. > > Guess we need exact match for testcase in target-supports.exp. If that, those efficient target would be too special to be used by others, maybe just as a temporary solution, and should be removed after Martin fixed those regression. > > > > > > Christophe > > > > > > * lib/target-supports.exp (check_vect_slp_aligned_store_usage): > > > > New function. > > > > (check_effective_target_vect_slp_v2qi_store): Ditto. > > > > (check_effective_target_vect_slp_v4qi_store): Ditto. > > > > (check_effective_target_vect_slp_v8qi_store): Ditto. > > > > (check_effective_target_vect_slp_v16qi_store): Ditto. > > > > (check_effective_target_vect_slp_v2hi_store): Ditto. > > > > (check_effective_target_vect_slp_v4hi_store): Ditto. > > > > (check_effective_target_vect_slp_v2si_store): Ditto. > > > > (check_effective_target_vect_slp_v4si_store): Ditto. > > > > * c-c++-common/Wstringop-overflow-2-novec.c: New test. > > > > * gcc.dg/Warray-bounds-51-novec.c: New test. > > > > * gcc.dg/Warray-bounds-48-novec.c: New test. > > > > * gcc.dg/Warray-parameter-3-novec.c: New test. > > > > * gcc.dg/Wstringop-overflow-14-novec.c: New test. > > > > * gcc.dg/Wstringop-overflow-21-novec.c: New test. > > > > * gcc.dg/Wstringop-overflow-76-novec.c: New test. > > > > * gcc.dg/Wzero-length-array-bounds-2-novec.c: New test. > > > > --- > > > > gcc/doc/sourcebuild.texi | 32 ++ > > > > .../c-c++-common/Wstringop-overflow-2-novec.c | 126 ++++++ > > > > .../c-c++-common/Wstringop-overflow-2.c | 20 +- > > > > gcc/testsuite/gcc.dg/Warray-bounds-48-novec.c | 364 ++++++++++++++++++ > > > > gcc/testsuite/gcc.dg/Warray-bounds-48.c | 4 +- > > > > gcc/testsuite/gcc.dg/Warray-bounds-51-novec.c | 21 + > > > > gcc/testsuite/gcc.dg/Warray-bounds-51.c | 2 +- > > > > .../gcc.dg/Warray-parameter-3-novec.c | 16 + > > > > gcc/testsuite/gcc.dg/Warray-parameter-3.c | 2 +- > > > > .../gcc.dg/Wstringop-overflow-14-novec.c | 16 + > > > > gcc/testsuite/gcc.dg/Wstringop-overflow-14.c | 4 +- > > > > .../gcc.dg/Wstringop-overflow-21-novec.c | 34 ++ > > > > gcc/testsuite/gcc.dg/Wstringop-overflow-21.c | 8 +- > > > > gcc/testsuite/gcc.dg/Wstringop-overflow-68.c | 17 +- > > > > .../gcc.dg/Wstringop-overflow-76-novec.c | 88 +++++ > > > > gcc/testsuite/gcc.dg/Wstringop-overflow-76.c | 18 +- > > > > .../Wzero-length-array-bounds-2-novec.c | 45 +++ > > > > .../gcc.dg/Wzero-length-array-bounds-2.c | 2 +- > > > > gcc/testsuite/lib/target-supports.exp | 182 +++++++++ > > > > 19 files changed, 967 insertions(+), 34 deletions(-) > > > > create mode 100644 gcc/testsuite/c-c++-common/Wstringop-overflow-2-novec.c > > > > create mode 100644 gcc/testsuite/gcc.dg/Warray-bounds-48-novec.c > > > > create mode 100644 gcc/testsuite/gcc.dg/Warray-bounds-51-novec.c > > > > create mode 100644 gcc/testsuite/gcc.dg/Warray-parameter-3-novec.c > > > > create mode 100644 gcc/testsuite/gcc.dg/Wstringop-overflow-14-novec.c > > > > create mode 100644 gcc/testsuite/gcc.dg/Wstringop-overflow-21-novec.c > > > > create mode 100644 gcc/testsuite/gcc.dg/Wstringop-overflow-76-novec.c > > > > create mode 100644 > > > > gcc/testsuite/gcc.dg/Wzero-length-array-bounds-2-novec.c > > > > > > > > diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi > > > > index b1fffd5e90f..6a165767630 100644 > > > > --- a/gcc/doc/sourcebuild.texi > > > > +++ b/gcc/doc/sourcebuild.texi > > > > @@ -1845,6 +1845,38 @@ Target supports loop vectorization with partial > > > > vectors and > > > > @item vect_partial_vectors > > > > Target supports loop vectorization with partial vectors and > > > > @code{vect-partial-vector-usage} is nonzero. > > > > + > > > > +@item vect_slp_v2qi_store > > > > +Target supports vectorization of 2-byte char stores with 2-byte aligned > > > > +address at plain @option{-O2}. > > > > + > > > > +@item vect_slp_v4qi_store > > > > +Target supports vectorization of 4-byte char stores with 4-byte aligned > > > > +address at plain @option{-O2}. > > > > + > > > > +@item vect_slp_v8qi_store > > > > +Target supports vectorization of 8-byte char stores with 8-byte aligned > > > > +address at plain @option{-O2}. > > > > + > > > > +@item vect_slp_v16qi_store > > > > +Target supports vectorization of 16-byte char stores with 16-byte aligned > > > > +address at plain @option{-O2}. > > > > + > > > > +@item vect_slp_v2hi_store > > > > +Target supports vectorization of 4-byte short stores with 4-byte aligned > > > > +address at plain @option{-O2}. > > > > + > > > > +@item vect_slp_v4hi_store > > > > +Target supports vectorization of 8-byte short stores with 8-byte aligned > > > > +address at plain @option{-O2}. > > > > + > > > > +@item vect_slp_v2si_store > > > > +Target supports vectorization of 8-byte int stores with 8-byte aligned > > > > +address at plain @option{-O2}. > > > > + > > > > +@item vect_slp_v4si_store > > > > +Target supports vectorization of 16-byte int stores with 16-byte aligned > > > > +address at plain @option{-O2}. > > > > @end table > > > > > > > > @subsubsection Thread Local Storage attributes > > > > diff --git a/gcc/testsuite/c-c++-common/Wstringop-overflow-2-novec.c > > > > b/gcc/testsuite/c-c++-common/Wstringop-overflow-2-novec.c > > > > new file mode 100644 > > > > index 00000000000..3c34ad35a5d > > > > --- /dev/null > > > > +++ b/gcc/testsuite/c-c++-common/Wstringop-overflow-2-novec.c > > > > @@ -0,0 +1,126 @@ > > > > +/* PR middle-end/91458 - inconsistent warning for writing past the end > > > > + of an array member > > > > + { dg-do compile } > > > > + { dg-options "-O2 -fno-tree-vectorize -Wall -Wno-array-bounds > > > > -fno-ipa-icf" } */ > > > > + > > > > +void sink (void*); > > > > + > > > > +// Exercise trailing one-element array members. > > > > + > > > > +struct A1 > > > > +{ > > > > + char n; > > > > + char a[1]; // { dg-message "destination object" > > > > "note" } > > > > +}; > > > > + > > > > +// Verify warning for access to a definition with an initializer that > > > > doesn't > > > > +// initialize the one-element array member. > > > > +struct A1 a1__ = { 0 }; > > > > + > > > > +void ga1__ (void) > > > > +{ > > > > + a1__.a[0] = 0; > > > > + a1__.a[1] = 1; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > + a1__.a[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > + > > > > + struct A1 a = { 1 }; > > > > + a.a[0] = 0; > > > > + a.a[1] = 1; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > + a.a[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > + sink (&a); > > > > +} > > > > + > > > > +// Verify warning for access to a definition with an initializer that > > > > +// initializes the one-element array member to empty. > > > > +struct A1 a1_0 = { 0, { } }; > > > > + > > > > +void ga1_0_ (void) > > > > +{ > > > > + a1_0.a[0] = 0; > > > > + a1_0.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + a1_0.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + > > > > + struct A1 a = { 1, { } }; > > > > + a.a[0] = 0; > > > > + a.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + a.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + sink (&a); > > > > +} > > > > + > > > > +// Verify warning for access to a definition with an initializer that > > > > +// initializes the one-element array member. > > > > +struct A1 a1_1 = { 0, { 1 } }; > > > > + > > > > +void ga1_1 (void) > > > > +{ > > > > + a1_1.a[0] = 0; > > > > + a1_1.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + a1_1.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + > > > > + struct A1 a = { 0, { 1 } }; > > > > + a.a[0] = 0; > > > > + a.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + a.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + sink (&a); > > > > +} > > > > + > > > > +// Exercise interior one-element array members (verify they're not > > > > +// treated as trailing. > > > > + > > > > +struct A1i > > > > +{ > > > > + char n; > > > > + char a[1]; // { dg-message "destination object" } > > > > + char x; > > > > +}; > > > > + > > > > +// Verify warning for access to a definition with an initializer that > > > > doesn't > > > > +// initialize the one-element array member. > > > > +struct A1i a1i__ = { 0 }; > > > > + > > > > +void ga1i__ (void) > > > > +{ > > > > + a1i__.a[0] = 0; > > > > + a1i__.a[1] = 1; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > + a1i__.a[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > + > > > > + struct A1i a = { 0 }; > > > > + a.a[0] = 0; > > > > + a.a[1] = 1; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > + a.a[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > + sink (&a); > > > > +} > > > > + > > > > +// Verify warning for access to a definition with an initializer that > > > > +// initializes the one-element array member to empty. > > > > +struct A1 a1i_0 = { 0, { } }; > > > > + > > > > +void ga1i_0_ (void) > > > > +{ > > > > + a1i_0.a[0] = 0; > > > > + a1i_0.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + a1i_0.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + > > > > + struct A1 a = { 0, { } }; > > > > + a.a[0] = 0; > > > > + a.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + a.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + sink (&a); > > > > +} > > > > + > > > > +// Verify warning for access to a definition with an initializer that > > > > +// initializes the one-element array member. > > > > +struct A1 a1i_1 = { 0, { 1 } }; > > > > + > > > > +void ga1i_1 (void) > > > > +{ > > > > + a1i_1.a[0] = 0; > > > > + a1i_1.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + a1i_1.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + > > > > + struct A1 a = { 0, { 1 } }; > > > > + a.a[0] = 1; > > > > + a.a[1] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + a.a[2] = 3; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > + sink (&a); > > > > +} > > > > diff --git a/gcc/testsuite/c-c++-common/Wstringop-overflow-2.c > > > > b/gcc/testsuite/c-c++-common/Wstringop-overflow-2.c > > > > index 7d29b5f48c7..ca38bda73f5 100644 > > > > --- a/gcc/testsuite/c-c++-common/Wstringop-overflow-2.c > > > > +++ b/gcc/testsuite/c-c++-common/Wstringop-overflow-2.c > > > > @@ -190,7 +190,7 @@ void ga1__ (void) > > > > struct A1 a = { 1 }; > > > > a.a[0] = 0; > > > > a.a[1] = 1; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > - a.a[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + a.a[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" "pr102462" { xfail { vect_slp_v2qi_store } } } > > > > sink (&a); > > > > } > > > > > > > > @@ -207,7 +207,7 @@ void ga1_0_ (void) > > > > struct A1 a = { 1, { } }; > > > > a.a[0] = 0; > > > > a.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > - a.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + a.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102462" { xfail { vect_slp_v2qi_store } } } > > > > sink (&a); > > > > } > > > > > > > > @@ -221,10 +221,10 @@ void ga1_1 (void) > > > > a1_1.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > a1_1.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > > > > > - struct A1 a = { 0, { 1 } }; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { target { i?86-*-* x86_64-*-* } } } > > > > + struct A1 a = { 0, { 1 } }; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102706" { target { vect_slp_v4qi_store } } } > > > > a.a[0] = 0; > > > > - a.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { xfail { i?86-*-* x86_64-*-* } } } > > > > - a.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + a.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { xfail { vect_slp_v4qi_store } } } > > > > + a.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { xfail { vect_slp_v4qi_store } } } > > > > sink (&a); > > > > } > > > > > > > > @@ -289,7 +289,7 @@ void ga1i__ (void) > > > > struct A1i a = { 0 }; > > > > a.a[0] = 0; > > > > a.a[1] = 1; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > - a.a[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + a.a[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" "pr102462" { xfail { vect_slp_v2qi_store } } } > > > > sink (&a); > > > > } > > > > > > > > @@ -306,7 +306,7 @@ void ga1i_0_ (void) > > > > struct A1 a = { 0, { } }; > > > > a.a[0] = 0; > > > > a.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > - a.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + a.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102462" { xfail { vect_slp_v2qi_store } } } > > > > sink (&a); > > > > } > > > > > > > > @@ -320,10 +320,10 @@ void ga1i_1 (void) > > > > a1i_1.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > a1i_1.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > } > > > > > > > > - struct A1 a = { 0, { 1 } }; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { target { i?86-*-* x86_64-*-* } } } > > > > + struct A1 a = { 0, { 1 } }; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102462" { target { vect_slp_v4qi_store } } } > > > > a.a[0] = 1; > > > > - a.a[1] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { xfail { i?86-*-* x86_64-*-* } } } > > > > - a.a[2] = 3; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + a.a[1] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102462" { xfail { vect_slp_v4qi_store } } } > > > > + a.a[2] = 3; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102462" { xfail { vect_slp_v4qi_store } } } > > > > sink (&a); > > > > } > > > > > > > > diff --git a/gcc/testsuite/gcc.dg/Warray-bounds-48-novec.c > > > > b/gcc/testsuite/gcc.dg/Warray-bounds-48-novec.c > > > > new file mode 100644 > > > > index 00000000000..da179a2c0f5 > > > > --- /dev/null > > > > +++ b/gcc/testsuite/gcc.dg/Warray-bounds-48-novec.c > > > > @@ -0,0 +1,364 @@ > > > > +/* PR middle-end/91647 - missing -Warray-bounds accessing a zero-length > > > > array > > > > + of a declared object > > > > + { dg-do "compile" } > > > > + { dg-options "-O2 -Wall -fno-tree-vectorize" } > > > > + { dg-require-effective-target alloca } */ > > > > + > > > > +typedef __INT16_TYPE__ int16_t; > > > > +typedef __INT32_TYPE__ int32_t; > > > > + > > > > +void sink (void*); > > > > + > > > > +/* Exercise a true flexible member. */ > > > > + > > > > +struct AX > > > > +{ > > > > + int32_t n; > > > > + int16_t ax[]; // { dg-message "while referencing 'ax'" "member" } > > > > +}; > > > > + > > > > +static void warn_ax_local (struct AX *p) > > > > +{ > > > > + p->ax[0] = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->ax[1] = 1; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void nowarn_ax_extern (struct AX *p) > > > > +{ > > > > + p->ax[0] = 0; p->ax[99] = 99; p->ax[999] = 999; p->ax[9999] = 9999; > > > > +} > > > > + > > > > +static void warn_ax_local_buf (struct AX *p) > > > > +{ > > > > + p->ax[0] = 4; p->ax[1] = 5; > > > > + > > > > + p->ax[2] = 6; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->ax[3] = 7; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->ax[4] = 8; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void warn_ax_extern_buf (struct AX *p) > > > > +{ > > > > + p->ax[0] = 9; p->ax[1] = 10; p->ax[2] = 11; > > > > + > > > > + p->ax[3] = 12; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->ax[4] = 13; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->ax[5] = 14; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void nowarn_ax_extern_bufx (struct AX *p) > > > > +{ > > > > + p->ax[0] = 0; p->ax[99] = 99; p->ax[999] = 999; p->ax[9999] = 9999; > > > > +} > > > > + > > > > +static void nowarn_ax_ref (struct AX *p) > > > > +{ > > > > + p->ax[0] = 0; p->ax[99] = 99; p->ax[999] = 999; p->ax[9999] = 9999; > > > > +} > > > > + > > > > +void test_ax (struct AX *p, unsigned n) > > > > +{ > > > > + { > > > > + struct AX sax; // { dg-message "defined here" "struct definition" } > > > > + warn_ax_local (&sax); > > > > + sink (&sax); > > > > + } > > > > + > > > > + { > > > > + extern > > > > + struct AX xsax; > > > > + nowarn_ax_extern (&xsax); > > > > + sink (&xsax); > > > > + } > > > > + > > > > + { > > > > + /* Verify out-of-bounds access to the local BUF is diagnosed. */ > > > > + char ax_buf_p2[sizeof (struct AX) + 2 * sizeof (int16_t)]; > > > > + warn_ax_local_buf ((struct AX*) ax_buf_p2); > > > > + sink (ax_buf_p2); > > > > + } > > > > + > > > > + { > > > > + /* Verify out-of-bounds access to the extern BUF with a known > > > > + bound is diagnosed. */ > > > > + extern char ax_buf_p3[sizeof (struct AX) + 3 * sizeof (int16_t)]; > > > > + warn_ax_extern_buf ((struct AX*) ax_buf_p3); > > > > + sink (ax_buf_p3); > > > > + } > > > > + > > > > + { > > > > + /* Verify that accesses to BUFX with an unknown bound are not > > > > + diagnosed. */ > > > > + extern char bufx[]; > > > > + nowarn_ax_extern_bufx ((struct AX*) bufx); > > > > + sink (bufx); > > > > + } > > > > + > > > > + { > > > > + /* Verify that accesses to BUFN with a runtime bound are not > > > > + diagnosed. */ > > > > + char bufn[n]; > > > > + nowarn_ax_extern_bufx ((struct AX*) bufn); > > > > + sink (bufn); > > > > + } > > > > + > > > > + nowarn_ax_ref (p); > > > > +} > > > > + > > > > + > > > > +/* Exercise a zero-length trailing member array. It's the same as above > > > > + except that extern declarations with no definitions are considered to > > > > + have zero elements (they can't be initialized to have any). */ > > > > + > > > > +struct A0 > > > > +{ > > > > + int32_t n; > > > > + int16_t a0[0]; // { dg-message "while referencing 'a0'" "member" } > > > > +}; > > > > + > > > > +static void warn_a0_local (struct A0 *p) > > > > +{ > > > > + p->a0[0] = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a0[1] = 1; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void warn_a0_extern (struct A0 *p) > > > > +{ > > > > + p->a0[0] = 2; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a0[1] = 3; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void warn_a0_local_buf (struct A0 *p) > > > > +{ > > > > + p->a0[0] = 4; p->a0[1] = 5; > > > > + > > > > + p->a0[2] = 6; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a0[3] = 7; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a0[4] = 8; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void warn_a0_extern_buf (struct A0 *p) > > > > +{ > > > > + p->a0[0] = 9; p->a0[1] = 10; p->a0[2] = 11; > > > > + > > > > + p->a0[3] = 12; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a0[4] = 13; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a0[5] = 14; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void nowarn_a0_extern_bufx (struct A0 *p) > > > > +{ > > > > + p->a0[0] = 0; p->a0[99] = 99; p->a0[999] = 999; p->a0[9999] = 9999; > > > > +} > > > > + > > > > +static void nowarn_a0_ref (struct A0 *p) > > > > +{ > > > > + p->a0[0] = 0; p->a0[99] = 99; p->a0[999] = 999; p->a0[9999] = 9999; > > > > +} > > > > + > > > > +void test_a0 (struct A0 *p, unsigned n) > > > > +{ > > > > + { > > > > + struct A0 sa0; // { dg-message "defined here" "struct definition" } > > > > + warn_a0_local (&sa0); > > > > + sink (&sa0); > > > > + } > > > > + > > > > + { > > > > + extern > > > > + struct A0 xsa0; // { dg-message "defined here" "struct definition" > > > > } > > > > + warn_a0_extern (&xsa0); > > > > + sink (&xsa0); > > > > + } > > > > + > > > > + { > > > > + /* Verify out-of-bounds access to the local BUF is diagnosed. */ > > > > + char a0_buf_p2[sizeof (struct A0) + 2 * sizeof (int16_t)]; > > > > + warn_a0_local_buf ((struct A0*) a0_buf_p2); > > > > + sink (a0_buf_p2); > > > > + } > > > > + > > > > + { > > > > + /* Verify out-of-bounds access to the extern BUF with a known > > > > + bound is diagnosed. */ > > > > + extern char a0_buf_p3[sizeof (struct A0) + 3 * sizeof (int16_t)]; > > > > + warn_a0_extern_buf ((struct A0*) a0_buf_p3); > > > > + sink (a0_buf_p3); > > > > + } > > > > + > > > > + { > > > > + /* Verify that accesses to BUFX with an unknown bound are not > > > > + diagnosed. */ > > > > + extern char bufx[]; > > > > + nowarn_a0_extern_bufx ((struct A0*) bufx); > > > > + sink (bufx); > > > > + } > > > > + > > > > + { > > > > + /* Verify that accesses to BUFN with a runtime bound are not > > > > + diagnosed. */ > > > > + char bufn[n]; > > > > + nowarn_a0_extern_bufx ((struct A0*) bufn); > > > > + sink (bufn); > > > > + } > > > > + > > > > + nowarn_a0_ref (p); > > > > +} > > > > + > > > > + > > > > +/* Exercise a one-element trailing member array. It's the same as above > > > > + except that it has exactly one element. */ > > > > + > > > > +struct A1 > > > > +{ > > > > + int32_t n; > > > > + int16_t a1[1]; // { dg-message "while referencing 'a1'" } > > > > +}; > > > > + > > > > +static void warn_a1_local_noinit (struct A1 *p) > > > > +{ > > > > + p->a1[0] = 0; > > > > + p->a1[1] = 1; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a1[2] = 2; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void warn_a1_extern (struct A1 *p) > > > > +{ > > > > + p->a1[0] = 0; > > > > + p->a1[1] = 1; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a1[2] = 2; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void warn_a1_init (struct A1 *p) > > > > +{ > > > > + p->a1[0] = 0; > > > > + p->a1[1] = 1; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a1[2] = 2; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void warn_a1_local_buf (struct A1 *p) > > > > +{ > > > > + p->a1[0] = 0; p->a1[1] = 1; p->a1[2] = 2; p->a1[3] = 3; > > > > + > > > > + p->a1[4] = 4; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void warn_a1_extern_buf (struct A1 *p) > > > > +{ > > > > + p->a1[0] = 0; p->a1[1] = 1; p->a1[2] = 2; p->a1[3] = 3; p->a1[4] = 4; > > > > + > > > > + p->a1[5] = 5; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void nowarn_a1_extern_bufx (struct A1 *p) > > > > +{ > > > > + p->a1[0] = 0; p->a1[99] = 99; p->a1[999] = 999; p->a1[9999] = 9999; > > > > +} > > > > + > > > > +static void nowarn_a1_ref (struct A1 *p) > > > > +{ > > > > + p->a1[0] = 0; p->a1[99] = 99; p->a1[999] = 999; p->a1[9999] = 9999; > > > > +} > > > > + > > > > +void test_a1 (struct A1 *p, unsigned n) > > > > +{ > > > > + { > > > > + struct A1 a1; > > > > + warn_a1_local_noinit (&a1); > > > > + sink (&a1); > > > > + } > > > > + > > > > + { > > > > + extern struct A1 a1x; > > > > + warn_a1_extern (&a1x); > > > > + sink (&a1x); > > > > +} > > > > + { > > > > + struct A1 a1 = { 0, { 1 } }; > > > > + warn_a1_init (&a1); > > > > + sink (&a1); > > > > + } > > > > + > > > > + { > > > > + /* Verify out-of-bounds access to the local BUF is diagnosed. */ > > > > + char buf_p2[sizeof (struct A1) + 2 * sizeof (int16_t)]; > > > > + warn_a1_local_buf ((struct A1*) buf_p2); > > > > + sink (buf_p2); > > > > + } > > > > + > > > > + { > > > > + /* Verify out-of-bounds access to the extern BUF with a known > > > > + bound is diagnosed. */ > > > > + extern char a1_buf_p3[sizeof (struct A1) + 3 * sizeof (int16_t)]; > > > > + warn_a1_extern_buf ((struct A1*) a1_buf_p3); > > > > + sink (a1_buf_p3); > > > > + } > > > > + > > > > + { > > > > + /* Verify that accesses to BUFX with an unknown bound are not > > > > + diagnosed. */ > > > > + extern char bufx[]; > > > > + nowarn_a1_extern_bufx ((struct A1*) bufx); > > > > + sink (bufx); > > > > + } > > > > + > > > > + { > > > > + /* Verify that accesses to BUFN with a runtime bound are not > > > > + diagnosed. */ > > > > + char bufn[n]; > > > > + nowarn_a1_extern_bufx ((struct A1*) bufn); > > > > + sink (bufn); > > > > + } > > > > + > > > > + nowarn_a1_ref (p); > > > > +} > > > > + > > > > + > > > > +/* Exercise a two-element trailing member array. It's treated > > > > + the same as an interior array member. */ > > > > + > > > > +struct A2 > > > > +{ > > > > + int32_t n; > > > > + int16_t a2[2]; // { dg-message "while referencing 'a2'" } > > > > +}; > > > > + > > > > +static void warn_a2_noinit (struct A2 *p) > > > > +{ > > > > + p->a2[0] = 0; p->a2[1] = 1; > > > > + > > > > + p->a2[2] = 2; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void warn_a2_init (struct A2 *p) > > > > +{ > > > > + p->a2[0] = 0; p->a2[1] = 1; > > > > + > > > > + p->a2[2] = 2; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a2[9] = 9; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +static void warn_a2_ref (struct A2 *p) > > > > +{ > > > > + p->a2[0] = 0; p->a2[1] = 1; > > > > + > > > > + p->a2[2] = 2; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->a2[9] = 9; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > + > > > > +void test_a2 (struct A2 *p) > > > > +{ > > > > + { > > > > + struct A2 a2; > > > > + warn_a2_noinit (&a2); > > > > + sink (&a2); > > > > + } > > > > + > > > > + { > > > > + struct A2 a2 = { 0, { 1, 2 } }; > > > > + warn_a2_init (&a2); > > > > + sink (&a2); > > > > + } > > > > + > > > > + warn_a2_ref (p); > > > > +} > > > > diff --git a/gcc/testsuite/gcc.dg/Warray-bounds-48.c > > > > b/gcc/testsuite/gcc.dg/Warray-bounds-48.c > > > > index 13373d1e99e..19b7634c063 100644 > > > > --- a/gcc/testsuite/gcc.dg/Warray-bounds-48.c > > > > +++ b/gcc/testsuite/gcc.dg/Warray-bounds-48.c > > > > @@ -30,7 +30,7 @@ static void nowarn_ax_extern (struct AX *p) > > > > > > > > static void warn_ax_local_buf (struct AX *p) > > > > { > > > > - p->ax[0] = 4; p->ax[1] = 5; > > > > + p->ax[0] = 4; p->ax[1] = 5; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102706" { target { vect_slp_v2hi_store && { ! vect_slp_v4hi_store } } } > > > > } > > > > > > > > p->ax[2] = 6; // { dg-warning "\\\[-Warray-bounds" } > > > > p->ax[3] = 7; // { dg-warning "\\\[-Warray-bounds" } > > > > @@ -130,7 +130,7 @@ static void warn_a0_extern (struct A0 *p) > > > > > > > > static void warn_a0_local_buf (struct A0 *p) > > > > { > > > > - p->a0[0] = 4; p->a0[1] = 5; > > > > + p->a0[0] = 4; p->a0[1] = 5; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102706" { target { vect_slp_v2hi_store && { ! vect_slp_v4hi_store } } } } > > > > > > > > p->a0[2] = 6; // { dg-warning "\\\[-Warray-bounds" } > > > > p->a0[3] = 7; // { dg-warning "\\\[-Warray-bounds" } > > > > diff --git a/gcc/testsuite/gcc.dg/Warray-bounds-51-novec.c > > > > b/gcc/testsuite/gcc.dg/Warray-bounds-51-novec.c > > > > new file mode 100644 > > > > index 00000000000..ef8056d9b7f > > > > --- /dev/null > > > > +++ b/gcc/testsuite/gcc.dg/Warray-bounds-51-novec.c > > > > @@ -0,0 +1,21 @@ > > > > +/* PR middle-end/92333 - missing variable name referencing VLA in warnings > > > > + PR middle-end/82608 - missing -Warray-bounds on an out-of-bounds VLA > > > > index > > > > + { dg-do compile } > > > > + { dg-options "-O2 -Wall -fno-tree-vectorize" } */ > > > > + > > > > +void sink (void*); > > > > + > > > > +void test_struct_char_vla_location (void) > > > > +{ > > > > + unsigned nelts = 7; > > > > + > > > > + struct { > > > > + char cvla[nelts]; // { dg-message "declared here|while referencing" } > > > > + } s; > > > > + > > > > + s.cvla[0] = __LINE__; > > > > + s.cvla[nelts - 1] = 0; > > > > + s.cvla[nelts] = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > + > > > > + sink (&s); > > > > +} > > > > diff --git a/gcc/testsuite/gcc.dg/Warray-bounds-51.c > > > > b/gcc/testsuite/gcc.dg/Warray-bounds-51.c > > > > index de60d87ab95..8b589f38191 100644 > > > > --- a/gcc/testsuite/gcc.dg/Warray-bounds-51.c > > > > +++ b/gcc/testsuite/gcc.dg/Warray-bounds-51.c > > > > @@ -39,7 +39,7 @@ void test_struct_char_vla_location (void) > > > > } s; > > > > > > > > s.cvla[0] = __LINE__; > > > > - s.cvla[nelts - 1] = 0; // { dg-warning "\\\[-Wstringop-overflow" "" { > > > > target { i?86-*-* x86_64-*-* } } } > > > > + s.cvla[nelts - 1] = 0; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102706" { target { vect_slp_v2qi_store } } } > > > > s.cvla[nelts] = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > > > > > sink (&s); > > > > diff --git a/gcc/testsuite/gcc.dg/Warray-parameter-3-novec.c > > > > b/gcc/testsuite/gcc.dg/Warray-parameter-3-novec.c > > > > new file mode 100644 > > > > index 00000000000..5089d555392 > > > > --- /dev/null > > > > +++ b/gcc/testsuite/gcc.dg/Warray-parameter-3-novec.c > > > > @@ -0,0 +1,16 @@ > > > > +/* PR c/50584 - No warning for passing small array to C99 static array > > > > + declarator > > > > + { dg-do compile } > > > > + { dg-options "-Wall -Warray-parameter=1" } */ > > > > + > > > > +/* Also verify that -Warray-bounds doesn't trigger for ordinary array > > > > + parameters... */ > > > > +#pragma GCC optimize ("2,no-tree-vectorize") > > > > + > > > > +/* ...but does for static arrays. */ > > > > +__attribute__ ((noipa)) void > > > > +gcas3 (char a[static 3]) > > > > +{ > > > > + a[0] = 0; a[1] = 1; a[2] = 2; > > > > + a[3] = 3; // { dg-warning "\\\[-Warray-bounds" } > > > > +} > > > > diff --git a/gcc/testsuite/gcc.dg/Warray-parameter-3.c > > > > b/gcc/testsuite/gcc.dg/Warray-parameter-3.c > > > > index e8a269c85c6..b6ed8daf51c 100644 > > > > --- a/gcc/testsuite/gcc.dg/Warray-parameter-3.c > > > > +++ b/gcc/testsuite/gcc.dg/Warray-parameter-3.c > > > > @@ -77,7 +77,7 @@ gia3 (int a[3]) > > > > __attribute__ ((noipa)) void > > > > gcas3 (char a[static 3]) > > > > { > > > > - a[0] = 0; a[1] = 1; a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > "" { target { i?86-*-* x86_64-*-* } } } > > > > + a[0] = 0; a[1] = 1; a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102706" { target { vect_slp_v4qi_store } } } > > > > a[3] = 3; // { dg-warning "\\\[-Warray-bounds" } > > > > } > > > > > > > > diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-14-novec.c > > > > b/gcc/testsuite/gcc.dg/Wstringop-overflow-14-novec.c > > > > new file mode 100644 > > > > index 00000000000..de39eaaeb95 > > > > --- /dev/null > > > > +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-14-novec.c > > > > @@ -0,0 +1,16 @@ > > > > +/* Test to verify that past-the-end multibyte writes via lvalues of wider > > > > + types than char are diagnosed. > > > > + { dg-do compile } > > > > + { dg-require-effective-target int32plus } > > > > + { dg-options "-O2 -fno-tree-vectorize -Wall -Wno-array-bounds" } */ > > > > + > > > > +typedef __INT16_TYPE__ int16_t; > > > > + > > > > +char a4[4], a8[8], a16[16]; > > > > + > > > > +void test_int16 (void) > > > > +{ > > > > + char *p = a4 + 1; > > > > + *(int16_t*)p = 0; > > > > + *(int16_t*)(p + 2) = 0; // { dg-warning "writing 2 bytes into a > > > > region of size 1" } > > > > +} > > > > diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-14.c > > > > b/gcc/testsuite/gcc.dg/Wstringop-overflow-14.c > > > > index 7683084e46e..c4a3f05d883 100644 > > > > --- a/gcc/testsuite/gcc.dg/Wstringop-overflow-14.c > > > > +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-14.c > > > > @@ -36,8 +36,8 @@ void test_memcpy_cond (int i) > > > > void test_int16 (void) > > > > { > > > > char *p = a4 + 1; > > > > - *(int16_t*)p = 0; // { dg-warning "writing 4 bytes into a region of > > > > size 3" "" { target { i?86-*-* x86_64-*-* } } } > > > > - *(int16_t*)(p + 2) = 0; // { dg-warning "writing 2 bytes into a > > > > region of size 1" "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + *(int16_t*)p = 0; // { dg-warning "writing 4 bytes into a region of > > > > size 3" "pr102706" { target { vect_slp_v2hi_store } } } > > > > + *(int16_t*)(p + 2) = 0; // { dg-warning "writing 2 bytes into a > > > > region of size 1" "pr102706" { xfail { vect_slp_v2hi_store } } } > > > > } > > > > > > > > > > > > diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-21-novec.c > > > > b/gcc/testsuite/gcc.dg/Wstringop-overflow-21-novec.c > > > > new file mode 100644 > > > > index 00000000000..6f83548e902 > > > > --- /dev/null > > > > +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-21-novec.c > > > > @@ -0,0 +1,34 @@ > > > > +/* PR middle-end/92312 - bogus -Wstringop-overflow storing into a trailing > > > > + array backed by larger buffer > > > > + { dg-do compile } > > > > + { dg-options "-O2 -fno-tree-vectorize -Wall -Wno-array-bounds" } */ > > > > + > > > > +struct S0 { char a, b[0]; }; > > > > + > > > > +void sink (void*); > > > > + > > > > +void test_store_zero_length (int i) > > > > +{ > > > > + char a[3]; > > > > + struct S0 *p = (struct S0*)a; > > > > + p->a = 0; > > > > + p->b[0] = 0; > > > > + p->b[1] = 1; // { dg-bogus > > > > "\\\[-Wstringop-overflow" } > > > > + p->b[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > + p->b[i] = 2; > > > > + sink (p); > > > > +} > > > > + > > > > +struct Sx { char a, b[]; }; > > > > + > > > > +void test_store_flexarray (int i) > > > > +{ > > > > + char a[3]; > > > > + struct Sx *p = (struct Sx*)a; > > > > + p->a = 0; > > > > + p->b[0] = 0; > > > > + p->b[1] = 1; // { dg-bogus > > > > "\\\[-Wstringop-overflow" } > > > > + p->b[2] = 1; // { dg-warning > > > > "\\\[-Wstringop-overflow" } > > > > + p->b[i] = 2; > > > > + sink (p); > > > > +} > > > > diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c > > > > b/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c > > > > index d88bde9c740..3fccfc9a798 100644 > > > > --- a/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c > > > > +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c > > > > @@ -23,10 +23,10 @@ void test_store_zero_length (int i) > > > > { > > > > char a[3]; > > > > struct S0 *p = (struct S0*)a; > > > > - p->a = 0; // { dg-warning > > > > "\\\[-Wstringop-overflow" "" { target { i?86-*-* x86_64-*-* } } } > > > > + p->a = 0; // { dg-warning > > > > "\\\[-Wstringop-overflow" "pr102706" { target { vect_slp_v4qi_store } } } > > > > p->b[0] = 0; > > > > p->b[1] = 1; // { dg-bogus > > > > "\\\[-Wstringop-overflow" } > > > > - p->b[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + p->b[2] = 2; // { dg-warning > > > > "\\\[-Wstringop-overflow" "pr102706" { xfail { vect_slp_v4qi_store } } } > > > > p->b[i] = 2; > > > > sink (p); > > > > } > > > > @@ -50,10 +50,10 @@ void test_store_flexarray (int i) > > > > { > > > > char a[3]; > > > > struct Sx *p = (struct Sx*)a; > > > > - p->a = 0; // { dg-warning > > > > "\\\[-Wstringop-overflow" "" { target { i?86-*-* x86_64-*-* } } } > > > > + p->a = 0; // { dg-warning > > > > "\\\[-Wstringop-overflow" "pr102706" { target { vect_slp_v4qi_store } } } > > > > p->b[0] = 0; > > > > p->b[1] = 1; // { dg-bogus > > > > "\\\[-Wstringop-overflow" } > > > > - p->b[2] = 1; // { dg-warning > > > > "\\\[-Wstringop-overflow" "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + p->b[2] = 1; // { dg-warning > > > > "\\\[-Wstringop-overflow" "pr102706" { xfail { vect_slp_v4qi_store } } } > > > > p->b[i] = 2; > > > > sink (p); > > > > } > > > > diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-68.c > > > > b/gcc/testsuite/gcc.dg/Wstringop-overflow-68.c > > > > index 09df0004991..04e91afb8bc 100644 > > > > --- a/gcc/testsuite/gcc.dg/Wstringop-overflow-68.c > > > > +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-68.c > > > > @@ -58,11 +58,18 @@ void warn_comp_lit_zero (void) > > > > void warn_comp_lit (void) > > > > { > > > > *(AC2*)a1 = Ac2; // { dg-warning "writing 2 bytes into a region of > > > > size 1" "pr101475" { xfail *-*-* } } > > > > - *(AC4*)a2 = Ac4; // { dg-warning "writing 4 bytes into a region of > > > > size 2" "pr101475" { xfail { ! { i?86-*-* x86_64-*-* } } } } > > > > - *(AC4*)a3 = Ac4; // { dg-warning "writing 4 bytes into a region of > > > > size 3" "pr101475" { xfail { ! { i?86-*-* x86_64-*-* } } } } > > > > - *(AC8*)a4 = Ac8; // { dg-warning "writing 8 bytes into a region of > > > > size 4" "pr101475" { xfail { ! { i?86-*-* x86_64-*-* } } } } > > > > - *(AC8*)a7 = Ac8; // { dg-warning "writing 8 bytes into a region of > > > > size 7" "pr101475" { xfail { ! { i?86-*-* x86_64-*-* } } } } > > > > - *(AC16*)a15 = Ac16; // { dg-warning "writing 16 bytes into a region > > > > of size 15" "pr101475" { xfail { ! { i?86-*-* x86_64-*-* } } } } > > > > + // After vectorization, below codes are optimized to > > > > + // MEM [(char *)&a2] = { 0, 1, 2, 3 }; > > > > + // MEM [(char *)&a3] = { 0, 1, 2, 3 }; > > > > + // MEM [(char *)&a4] = { 0, 1, 2, 3, 4, 5, 6, 7 }; > > > > + // MEM [(char *)&a7] = { 0, 1, 2, 3, 4, 5, 6, 7 }; > > > > + // MEM [(char *)&a15] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, > > > > 9, 10, 11, 12, 13, 14, 15 }; > > > > + // and warning should be expected, refer to PR102722. > > > > + *(AC4*)a2 = Ac4; // { dg-warning "writing 4 bytes into a region of > > > > size 2" "pr101475" { xfail { ! { vect_slp_v4qi_store } } } } > > > > + *(AC4*)a3 = Ac4; // { dg-warning "writing 4 bytes into a region of > > > > size 3" "pr101475" { xfail { ! { vect_slp_v4qi_store } } } } > > > > + *(AC8*)a4 = Ac8; // { dg-warning "writing 8 bytes into a region of > > > > size 4" "pr101475" { xfail { ! { vect_slp_v8qi_store } } } } > > > > + *(AC8*)a7 = Ac8; // { dg-warning "writing 8 bytes into a region of > > > > size 7" "pr101475" { xfail { ! { vect_slp_v8qi_store } } } } > > > > + *(AC16*)a15 = Ac16; // { dg-warning "writing 16 bytes into a region > > > > of size 15" "pr101475" { xfail { ! { vect_slp_v16qi_store } } } } > > > > } > > > > > > > > void warn_aggr_decl (void) > > > > diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-76-novec.c > > > > b/gcc/testsuite/gcc.dg/Wstringop-overflow-76-novec.c > > > > new file mode 100644 > > > > index 00000000000..71c643b62fb > > > > --- /dev/null > > > > +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-76-novec.c > > > > @@ -0,0 +1,88 @@ > > > > +/* Verify warnings and notes for MAX_EXPRs involving either pointers > > > > + to distinct objects or one to a known object and the other to > > > > + an unknown one. Unlike for the same object, for unrelated objects > > > > + the expected warnings and notes are the same as for MIN_EXPR: when > > > > + the order of the objects in the address space cannot be determined > > > > + the larger of them is assumed to be used. (This is different for > > > > + distinct struct members where the order is given.) > > > > + The relational expressions are strictly invalid but that should be > > > > + diagnosed by a separate warning. > > > > + { dg-do compile } > > > > + { dg-options "-O2 -Wno-array-bounds -fno-tree-vectorize" } */ > > > > + > > > > +#define MAX(p, q) ((p) > (q) ? (p) : (q)) > > > > + > > > > +/* Verify that even for MAX_EXPR and like for MIN_EXPR, the note points > > > > + to the larger of the two objects and mentions the offset into it > > > > + (although the offset might be better included in the warning). */ > > > > +extern char a3[3]; > > > > +extern char a5[5]; // { dg-message "at offset 5 into destination object > > > > 'a5' of size 5" "note" } > > > > + > > > > +void max_a3_a5 (int i) > > > > +{ > > > > + char *p = a3 + i; > > > > + char *q = a5 + i; > > > > + > > > > + /* The relational expression below is invalid and should be diagnosed > > > > + by its own warning independently of -Wstringop-overflow. */ > > > > + char *d = MAX (p, q); > > > > + > > > > + d[2] = 0; > > > > + d[3] = 0; > > > > + d[4] = 0; > > > > + d[5] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" } > > > > +} > > > > + > > > > + > > > > +// Same as above but with the larger array as the first MAX_EXPR operand. > > > > +extern char b4[4]; > > > > +extern char b6[6]; // { dg-message "at offset 6 into destination object > > > > 'b6' of size 6" "note" } > > > > + > > > > +void max_b6_b4 (int i) > > > > +{ > > > > + char *p = b6 + i; > > > > + char *q = b4 + i; > > > > + char *d = MAX (p, q); > > > > + > > > > + d[3] = 0; > > > > + d[4] = 0; > > > > + d[5] = 0; > > > > + d[6] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" } > > > > +} > > > > + > > > > +struct A3_5 > > > > +{ > > > > + char a3[3]; // { dg-message "at offset 3 into destination object 'a3' > > > > of size 3" "pr??????" { xfail *-*-* } } > > > > + char a5[5]; // { dg-message "at offset 5 into destination object 'a5' > > > > of size 5" "note" } > > > > +}; > > > > + > > > > +void max_A3_A5 (int i, struct A3_5 *pa3_5) > > > > +{ > > > > + char *p = pa3_5->a3 + i; > > > > + char *q = pa3_5->a5 + i; > > > > + > > > > + char *d = MAX (p, q); > > > > + d[2] = 0; > > > > + d[3] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" "pr??????" { xfail *-*-* } } > > > > + d[4] = 0; > > > > + d[5] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" } > > > > +} > > > > + > > > > + > > > > +struct B4_B6 > > > > +{ > > > > + char b4[4]; > > > > + char b6[6]; // { dg-message "at offset 6 into destination object > > > > 'b6' of size 6" "note" } > > > > +}; > > > > + > > > > +void max_B6_B4 (int i, struct B4_B6 *pb4_b6) > > > > +{ > > > > + char *p = pb4_b6->b6 + i; > > > > + char *q = pb4_b6->b4 + i; > > > > + char *d = MAX (p, q); > > > > + > > > > + d[3] = 0; > > > > + d[4] = 0; > > > > + d[5] = 0; > > > > + d[6] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" } > > > > +} > > > > diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-76.c > > > > b/gcc/testsuite/gcc.dg/Wstringop-overflow-76.c > > > > index 0c7b53ccc0b..52467267a04 100644 > > > > --- a/gcc/testsuite/gcc.dg/Wstringop-overflow-76.c > > > > +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-76.c > > > > @@ -27,10 +27,10 @@ void max_a3_a5 (int i) > > > > by its own warning independently of -Wstringop-overflow. */ > > > > char *d = MAX (p, q); > > > > > > > > - d[2] = 0; // { dg-warning "writing 4 bytes into a region of > > > > size 3" "" { target { i?86-*-* x86_64-*-* } } } > > > > + d[2] = 0; // { dg-warning "writing 4 bytes into a region of > > > > size 3" "pr102706" { target { vect_slp_v4qi_store } } } > > > > d[3] = 0; > > > > d[4] = 0; > > > > - d[5] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + d[5] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" "pr102706" { xfail { vect_slp_v4qi_store } } } > > > > } > > > > > > > > > > > > @@ -44,10 +44,10 @@ void max_b6_b4 (int i) > > > > char *q = b4 + i; > > > > char *d = MAX (p, q); > > > > > > > > - d[3] = 0; // { dg-warning "writing 4 bytes into a region of > > > > size 3" "" { target { i?86-*-* x86_64-*-* } } } > > > > + d[3] = 0; // { dg-warning "writing 4 bytes into a region of > > > > size 3" "pr102706" { target { vect_slp_v4qi_store } } } > > > > d[4] = 0; > > > > d[5] = 0; > > > > - d[6] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + d[6] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" "pr102706" { xfail { vect_slp_v4qi_store } } } > > > > } > > > > > > > > > > > > @@ -82,7 +82,8 @@ void max_d8_p (char *q, int i) > > > > struct A3_5 > > > > { > > > > char a3[3]; // { dg-message "at offset 3 into destination object 'a3' > > > > of size 3" "pr??????" { xfail *-*-* } } > > > > - char a5[5]; // { dg-message "at offset 5 into destination object 'a5' > > > > of size 5" "note" { xfail { i?86-*-* x86_64-*-* } } } > > > > + // refer to pr102697 for xfail > > > > + char a5[5]; // { dg-message "at offset 5 into destination object 'a5' > > > > of size 5" "note" { xfail { vect_slp_v4qi_store } } } > > > > }; > > > > > > > > void max_A3_A5 (int i, struct A3_5 *pa3_5) > > > > @@ -95,14 +96,15 @@ void max_A3_A5 (int i, struct A3_5 *pa3_5) > > > > d[2] = 0; > > > > d[3] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" "pr??????" { xfail *-*-* } } > > > > d[4] = 0; > > > > - d[5] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + d[5] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" "pr102697" { xfail { vect_slp_v4qi_store } } } > > > > } > > > > > > > > > > > > struct B4_B6 > > > > { > > > > char b4[4]; > > > > - char b6[6]; // { dg-message "at offset > > > > \[^a-zA-Z\n\r\]*6\[^a-zA-Z0-9\]* into destination object 'b6' of size 6" > > > > "note" { xfail { i?86-*-* x86_64-*-* } } } > > > > + // refer to pr102697 for xfail > > > > + char b6[6]; // { dg-message "at offset > > > > \[^a-zA-Z\n\r\]*6\[^a-zA-Z0-9\]* into destination object 'b6' of size 6" > > > > "note" { xfail { vect_slp_v4qi_store } } } > > > > }; > > > > > > > > void max_B6_B4 (int i, struct B4_B6 *pb4_b6) > > > > @@ -114,7 +116,7 @@ void max_B6_B4 (int i, struct B4_B6 *pb4_b6) > > > > d[3] = 0; > > > > d[4] = 0; > > > > d[5] = 0; > > > > - d[6] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" "" { xfail { i?86-*-* x86_64-*-* } } } > > > > + d[6] = 0; // { dg-warning "writing 1 byte into a region of size > > > > 0" "pr102697" { xfail { vect_slp_v4qi_store } } } > > > > } > > > > > > > > > > > > diff --git a/gcc/testsuite/gcc.dg/Wzero-length-array-bounds-2-novec.c > > > > b/gcc/testsuite/gcc.dg/Wzero-length-array-bounds-2-novec.c > > > > new file mode 100644 > > > > index 00000000000..8e023b7cfa7 > > > > --- /dev/null > > > > +++ b/gcc/testsuite/gcc.dg/Wzero-length-array-bounds-2-novec.c > > > > @@ -0,0 +1,45 @@ > > > > +/* Test to verify that -Wzero-length-bounds and not -Warray-bounds is > > > > + issued for accesses to interior zero-length array members that are > > > > + within the bounds of the enclosing struct. > > > > + { dg-do compile } > > > > + { dg-options "-O2 -Wall -fno-tree-vectorize" } */ > > > > + > > > > +void sink (void*); > > > > + > > > > +struct A { int i; }; > > > > +struct B { int j; struct A a[0]; }; > > > > + > > > > +struct C > > > > +{ > > > > + struct B b1; > > > > + struct B b2; > > > > +}; > > > > + > > > > +char cbuf1[1 * sizeof (struct C)]; > > > > +char cbuf2[2 * sizeof (struct C)] = { }; > > > > + > > > > +void test_C_global_buf (void) > > > > +{ > > > > + struct C *p = (struct C*)&cbuf1; > > > > + > > > > + p->b1.a[-1].i = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->b1.a[ 0].i = 0; // { dg-warning "\\\[-Wzero-length-bounds" } > > > > + p->b1.a[ 1].i = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > + sink (p); > > > > + > > > > + p->b2.a[ 0].i = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->b2.a[ 1].i = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > + sink (p); > > > > + > > > > + p = (struct C*)&cbuf2; > > > > + p->b1.a[-1].i = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->b1.a[ 0].i = 0; // { dg-warning "\\\[-Wzero-length-bounds" } > > > > + p->b1.a[ 1].i = 0; // { dg-warning "\\\[-Wzero-length-bounds" } > > > > + sink (p); > > > > + > > > > + p->b2.a[ 0].i = 0; > > > > + p->b2.a[ 1].i = 0; > > > > + p->b2.a[ 2].i = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > + p->b2.a[ 3].i = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > + sink (p); > > > > +} > > > > diff --git a/gcc/testsuite/gcc.dg/Wzero-length-array-bounds-2.c > > > > b/gcc/testsuite/gcc.dg/Wzero-length-array-bounds-2.c > > > > index 841b2bfa122..b2321495afc 100644 > > > > --- a/gcc/testsuite/gcc.dg/Wzero-length-array-bounds-2.c > > > > +++ b/gcc/testsuite/gcc.dg/Wzero-length-array-bounds-2.c > > > > @@ -87,7 +87,7 @@ void test_C_global_buf (void) > > > > p->b1.a[ 1].i = 0; // { dg-warning "\\\[-Wzero-length-bounds" } > > > > sink (p); > > > > > > > > - p->b2.a[ 0].i = 0; > > > > + p->b2.a[ 0].i = 0; // { dg-warning "\\\[-Wstringop-overflow" > > > > "pr102706" { target { vect_slp_v2si_store && { ! vect_slp_v4si_store } } } > > > > } > > > > p->b2.a[ 1].i = 0; > > > > p->b2.a[ 2].i = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > p->b2.a[ 3].i = 0; // { dg-warning "\\\[-Warray-bounds" } > > > > diff --git a/gcc/testsuite/lib/target-supports.exp > > > > b/gcc/testsuite/lib/target-supports.exp > > > > index 9ebca7ac007..1c8b1ebb86e 100644 > > > > --- a/gcc/testsuite/lib/target-supports.exp > > > > +++ b/gcc/testsuite/lib/target-supports.exp > > > > @@ -7580,6 +7580,188 @@ proc > > > > check_effective_target_vect_element_align_preferred { } { > > > > && [check_effective_target_vect_variable_length] }] > > > > } > > > > > > > > +# Return true if vectorization of v2qi/v4qi/v8qi/v16qi/v2hi store is > > > > enabed. > > > > +# Return zero if the desirable pattern isn't found. > > > > +# It's used by Warray-bounds/Wstringop-overflow testcases which are > > > > +# regressed by O2 vectorization, refer to PR102697/PR102462/PR102706 > > > > +proc check_vect_slp_aligned_store_usage { pattern macro } { > > > > + global tool > > > > + > > > > + set result [check_compile slp_aligned_store_usage assembly { > > > > + char a[16] __attribute__ ((aligned (16))); > > > > + short b[4] __attribute__((aligned(8))); > > > > + int c[4] __attribute__((aligned(16))); > > > > + #ifdef TEST_V8QI > > > > + void > > > > + foo () > > > > + { > > > > + a[0] = 0; > > > > + a[1] = 1; > > > > + a[2] = 2; > > > > + a[3] = 3; > > > > + a[4] = 4; > > > > + a[5] = 5; > > > > + a[6] = 6; > > > > + a[7] = 7; > > > > + } > > > > + #elif TEST_V16QI > > > > + void > > > > + foo1 () > > > > + { > > > > + a[0] = 0; > > > > + a[1] = 1; > > > > + a[2] = 2; > > > > + a[3] = 3; > > > > + a[4] = 4; > > > > + a[5] = 5; > > > > + a[6] = 6; > > > > + a[7] = 7; > > > > + a[8] = 8; > > > > + a[9] = 9; > > > > + a[10] = 10; > > > > + a[11] = 11; > > > > + a[12] = 12; > > > > + a[13] = 13; > > > > + a[14] = 14; > > > > + a[15] = 15; > > > > + } > > > > + #elif TEST_V4QI > > > > + void > > > > + foo2 () > > > > + { > > > > + a[0] = 0; > > > > + a[1] = 1; > > > > + a[2] = 2; > > > > + a[3] = 3; > > > > + } > > > > + #elif TEST_V2QI > > > > + void > > > > + foo3 () > > > > + { > > > > + a[0] = 0; > > > > + a[1] = 1; > > > > + } > > > > + #elif TEST_V2HI > > > > + void > > > > + foo4 () > > > > + { > > > > + b[0] = 0; > > > > + b[1] = 1; > > > > + } > > > > + #elif TEST_V4HI > > > > + void > > > > + foo5 () > > > > + { > > > > + b[0] = 0; > > > > + b[1] = 1; > > > > + b[2] = 2; > > > > + b[3] = 3; > > > > + } > > > > + #elif TEST_V2SI > > > > + void > > > > + foo6 () > > > > + { > > > > + c[0] = 0; > > > > + c[1] = 1; > > > > + } > > > > + #elif TEST_V4SI > > > > + void > > > > + foo7 () > > > > + { > > > > + c[0] = 0; > > > > + c[1] = 1; > > > > + c[2] = 2; > > > > + c[3] = 3; > > > > + } > > > > + #endif > > > > + } "-O2 -fopt-info-all -D$macro" ] > > > > + > > > > + # Get compiler emitted messages and delete generated file. > > > > + set lines [lindex $result 0] > > > > + set output [lindex $result 1] > > > > + remote_file build delete $output > > > > + > > > > + # Check pattern exits in lines, set it to zero if not found. > > > > + if { [regexp $pattern $lines] } then { > > > > + return 1 > > > > + } > > > > + > > > > + return 0 > > > > +} > > > > + > > > > +# Return the true if target support vectorization of 2-byte char stores > > > > +# with 2-byte aligned address at plain O2. > > > > +proc check_effective_target_vect_slp_v2qi_store { } { > > > > + set pattern {add new stmt: MEM } > > > > + set macro "TEST_V2QI" > > > > + return [check_cached_effective_target vect_slp_v2qi_store { > > > > + expr [check_vect_slp_aligned_store_usage $pattern $macro] }] > > > > + > > > > +} > > > > + > > > > +# Return the true if target support vectorization of 4-byte char stores > > > > +# with 4-byte aligned address at plain O2. > > > > +proc check_effective_target_vect_slp_v4qi_store { } { > > > > + set pattern {add new stmt: MEM } > > > > + set macro "TEST_V4QI" > > > > + return [check_cached_effective_target vect_slp_v4qi_store { > > > > + expr [check_vect_slp_aligned_store_usage $pattern $macro ] }] > > > > +} > > > > + > > > > +# Return the true if target support vectorization of 8-byte char stores > > > > +# with 8-byte aligned address at plain O2. > > > > +proc check_effective_target_vect_slp_v8qi_store { } { > > > > + set pattern {add new stmt: MEM } > > > > + set macro "TEST_V8QI" > > > > + return [check_cached_effective_target vect_slp_v8qi_store { > > > > + expr [check_vect_slp_aligned_store_usage $pattern $macro ] }] > > > > +} > > > > + > > > > +# Return the true if target support vectorization of 16-byte char stores > > > > +# with 16-byte aligned address at plain O2. > > > > +proc check_effective_target_vect_slp_v16qi_store { } { > > > > + set pattern {add new stmt: MEM } > > > > + set macro "TEST_V16QI" > > > > + return [check_cached_effective_target vect_slp_v16qi_store { > > > > + expr [check_vect_slp_aligned_store_usage $pattern $macro ] }] > > > > +} > > > > + > > > > +# Return the true if target support vectorization of 4-byte short stores > > > > +# with 4-byte aligned address at plain O2. > > > > +proc check_effective_target_vect_slp_v2hi_store { } { > > > > + set pattern {add new stmt: MEM } > > > > + set macro "TEST_V2HI" > > > > + return [check_cached_effective_target vect_slp_v2hi_store { > > > > + expr [check_vect_slp_aligned_store_usage $pattern $macro ] }] > > > > +} > > > > + > > > > +# Return the true if target support vectorization of 8-byte short stores > > > > +# with 8-byte aligned address at plain O2. > > > > +proc check_effective_target_vect_slp_v4hi_store { } { > > > > + set pattern {add new stmt: MEM } > > > > + set macro "TEST_V4HI" > > > > + return [check_cached_effective_target vect_slp_v4hi_store { > > > > + expr [check_vect_slp_aligned_store_usage $pattern $macro ] }] > > > > +} > > > > + > > > > +# Return the true if target support vectorization of 8-byte int stores > > > > +# with 8-byte aligned address at plain O2. > > > > +proc check_effective_target_vect_slp_v2si_store { } { > > > > + set pattern {add new stmt: MEM } > > > > + set macro "TEST_V2SI" > > > > + return [check_cached_effective_target vect_slp_v2si_store { > > > > + expr [check_vect_slp_aligned_store_usage $pattern $macro ] }] > > > > +} > > > > + > > > > +# Return the true if target support vectorization of 16-byte int stores > > > > +# with 16-byte aligned address at plain O2. > > > > +proc check_effective_target_vect_slp_v4si_store { } { > > > > + set pattern {add new stmt: MEM } > > > > + set macro "TEST_V4SI" > > > > + return [check_cached_effective_target vect_slp_v4si_store { > > > > + expr [check_vect_slp_aligned_store_usage $pattern $macro ] }] > > > > +} > > > > + > > > > # Return 1 if we can align stack data to the preferred vector alignment. > > > > > > > > proc check_effective_target_vect_align_stack_vars { } { > > > > -- > > > > 2.18.1 > > > > > > > > > > > > > > > > -- > > BR, > > Hongtao > > > > -- > BR, > Hongtao -- BR, Hongtao