From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw1-x1134.google.com (mail-yw1-x1134.google.com [IPv6:2607:f8b0:4864:20::1134]) by sourceware.org (Postfix) with ESMTPS id 41AAC3858D33 for ; Thu, 16 Feb 2023 17:39:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 41AAC3858D33 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-yw1-x1134.google.com with SMTP id 00721157ae682-5342c9c53a0so1671237b3.2 for ; Thu, 16 Feb 2023 09:39:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=Dtngyu9uVw+SbqOI2M0xneCyP4X/iufICDDtSgwlCXU=; b=EO5dDjxlRlDeJ/W9rKLccFvGZbvxeMH4FVqq7jMLauw2gi72AtPiQq18R//4rXKJCQ pJsqOkUAAVjSG2ZCzl6RQer3/q+7Xjv5pJeV6bwrcXV+31IOKCjOaY2blDv5HLR2/M3K +QIzKt+vkn/AB7dXxucZ1k5oBYLgDXrdBAlrQkRU2nrE+HDk7q6RTstSWIv8yWvW4NOW f4M0KAEOVz1w8A5lwgoGvW37dMY7eXPw+2R+s9NJol/osQphGEuIuKQJPe3sSRHKdNZu TEqvd5hsHdrJ4NGUCcDjJevIccuwetnYRwwjKvFj7jm/XfMxHyACWBUNwdLdQvFuuTeU wfxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Dtngyu9uVw+SbqOI2M0xneCyP4X/iufICDDtSgwlCXU=; b=Je7mLdLej00Ab+51gxZPRpn4LGNdGWmS5m9taq8nQ6RNoj/Rx7gKTuBQ1XYD4fJMmn v1MrQeyV5SOgObPnYg/6NyOkeROTi+LLO6RjlPLx0T3R0rp9P7hrpod/X3MI5+QHA2It 5gmGX8vCoeBHFoxf9pHTAiJJcdJ/4+9w76SgZ8oJpONA2sstrATj3dF5HfpuOpVjdhk/ 6QETtkUl7jQ4aPWJXIK73lY1mW7Tig9xsyA4TiZIDUCgOMBNKPSLHWiWRMNcZWTga00n aMAe0ji5weV2S7YsJ3jr7DhXK8hPK16IAtRA+a5NrUUF9YpGF8EAKRFloYCwOdh5QFxW TzUg== X-Gm-Message-State: AO0yUKVE1a5upJOWyZvAdLl0c3+nSMgnKwkHJWcAl3YN8g91AuXBFlYV RwsUqwrfUFar19YCnt5ivCxHc8VcoFMxaEonCZHJNoQMbkCydQ== X-Google-Smtp-Source: AK7set+FC3pVjtKKDZ8FlYQfNpM9uwQ9UX462GsEhuyIkRnPhOPPTKEbCD3GYgRryOXLTnDfV5xl2Zs+Tpys6+enHrQ= X-Received: by 2002:a81:dd11:0:b0:52e:ee32:89bf with SMTP id e17-20020a81dd11000000b0052eee3289bfmr772706ywn.241.1676569168282; Thu, 16 Feb 2023 09:39:28 -0800 (PST) MIME-Version: 1.0 From: Uros Bizjak Date: Thu, 16 Feb 2023 18:39:16 +0100 Message-ID: Subject: [PATCH] simplify-rtx: Fix VOIDmode operand handling in simplify_subreg [PR108805] To: "gcc-patches@gcc.gnu.org" Cc: Richard Sandiford , Richard Biener Content-Type: multipart/mixed; boundary="000000000000b7b24305f4d4ade4" X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,GIT_PATCH_0,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: --000000000000b7b24305f4d4ade4 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable simplify_subreg can return VOIDmode const_int operand and will cause ICE in simplify_gen_subreg when this operand is passed to it. The patch prevents VOIDmode temporary from entering simplify_gen_subreg. We can't process const_int operand any further, since outermode is not an integer mode here. 2023-02-16 Uro=C5=A1 Bizjak gcc/ChangeLog: PR target/108805 * simplify_rtx.cc (simplify_context::simplify_subreg): Prevent VOIDmode const_int result from simplify_subreg from entering simplify_gen_subreg. gcc/testsuite/ChangeLog: PR target/108805 * gcc.dg/pr108805.c: New test. Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}. OK for master and release branches? Uros. --000000000000b7b24305f4d4ade4 Content-Type: text/plain; charset="US-ASCII"; name="p.diff.txt" Content-Disposition: attachment; filename="p.diff.txt" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_le7dzc0r0 ZGlmZiAtLWdpdCBhL2djYy9zaW1wbGlmeS1ydHguY2MgYi9nY2Mvc2ltcGxpZnktcnR4LmNjCmlu ZGV4IDBhMWRkODhiMGE4Li4yODFiYzQxOGRmMCAxMDA2NDQKLS0tIGEvZ2NjL3NpbXBsaWZ5LXJ0 eC5jYworKysgYi9nY2Mvc2ltcGxpZnktcnR4LmNjCkBAIC03NjY0LDcgKzc2NjQsNyBAQCBzaW1w bGlmeV9jb250ZXh0OjpzaW1wbGlmeV9zdWJyZWcgKG1hY2hpbmVfbW9kZSBvdXRlcm1vZGUsIHJ0 eCBvcCwKIAkJCSAgICAwKS5leGlzdHMgKCZpbnRfb3V0ZXJtb2RlKSkKICAgICB7CiAgICAgICBy dHggdGVtID0gc2ltcGxpZnlfc3VicmVnIChpbnRfb3V0ZXJtb2RlLCBvcCwgaW5uZXJtb2RlLCBi eXRlKTsKLSAgICAgIGlmICh0ZW0pCisgICAgICBpZiAodGVtICYmIEdFVF9NT0RFICh0ZW0pICE9 IFZPSURtb2RlKQogCXJldHVybiBzaW1wbGlmeV9nZW5fc3VicmVnIChvdXRlcm1vZGUsIHRlbSwg R0VUX01PREUgKHRlbSksIDApOwogICAgIH0KIApkaWZmIC0tZ2l0IGEvZ2NjL3Rlc3RzdWl0ZS9n Y2MuZGcvcHIxMDg4MDUuYyBiL2djYy90ZXN0c3VpdGUvZ2NjLmRnL3ByMTA4ODA1LmMKbmV3IGZp bGUgbW9kZSAxMDA2NDQKaW5kZXggMDAwMDAwMDAwMDAuLjI4MGQzZjVjMzc3Ci0tLSAvZGV2L251 bGwKKysrIGIvZ2NjL3Rlc3RzdWl0ZS9nY2MuZGcvcHIxMDg4MDUuYwpAQCAtMCwwICsxLDIwIEBA CisvKiB7IGRnLWRvIGNvbXBpbGUgeyB0YXJnZXQgbG9uZ2xvbmc2NCB9IH0gKi8KKy8qIHsgZGct b3B0aW9ucyAiLU8iIH0gKi8KKy8qIHsgZGctYWRkaXRpb25hbC1vcHRpb25zICItbXNzZTIiIHsg dGFyZ2V0IHg4Nl82NC0qLSogaT84Ni0qLSogfSB9ICovCisKK3R5cGVkZWYgX19JTlQ4X1RZUEVf XyBfX2F0dHJpYnV0ZV9fKChfX3ZlY3Rvcl9zaXplX18gKDQpKSkgVTsKK3R5cGVkZWYgX19JTlQz Ml9UWVBFX18gX19hdHRyaWJ1dGVfXygoX192ZWN0b3Jfc2l6ZV9fICg0KSkpIFY7Cit0eXBlZGVm IF9fVUlOVDY0X1RZUEVfXyBfX2F0dHJpYnV0ZV9fKChfX3ZlY3Rvcl9zaXplX18gKDgpKSkgVzsK KworaW50IGk7CitVIGg7CitXIGc7CisKK1UKK2ZvbyAodm9pZCkKK3sKKyAgVyB3ID0gaSAhPSBn OworICBWIHYgPSBfX2J1aWx0aW5fY29udmVydHZlY3RvciAoaSB8IHcgPj4gMiwgVik7CisgIFUg dSA9IChVKSB2WzBdICsgaDsKKyAgcmV0dXJuIHU7Cit9Cg== --000000000000b7b24305f4d4ade4--