From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2209) id 0E1F2385DC04; Fri, 21 Jul 2023 00:29:05 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0E1F2385DC04 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1689899345; bh=dI0lh/Ofsr8dZDH0Qd28hgSNeNj5yGLFIBoHhuipgVo=; h=From:To:Subject:Date:From; b=Iz4qNZQNbAkPI6V1OLLIhtL63p73MbRoNaHpGQBtmAREhhMiuMhnY+D6jrTtVwQkH 7YsNv2pi9zH9fAicQFNZB88zFIdx4qJR42G5EMuEopL6QtRGVTzm/4QE6o8t1k3T5m MxL/MQ6hUS+/N2yjoG4fIx3pT8i4E1UHu3QchJik= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: David Malcolm To: gcc-cvs@gcc.gnu.org Subject: [gcc r14-2690] analyzer: avoid usage of TYPE_PRECISION on vector types [PR110455] X-Act-Checkin: gcc X-Git-Author: David Malcolm X-Git-Refname: refs/heads/master X-Git-Oldrev: 7006f02bbc3f1d0b7ed7fe2122abc0896aa848d2 X-Git-Newrev: a4913a19d24a794c97f38d9c65c47c1fb9f2140c Message-Id: <20230721002905.0E1F2385DC04@sourceware.org> Date: Fri, 21 Jul 2023 00:29:05 +0000 (GMT) List-Id: https://gcc.gnu.org/g:a4913a19d24a794c97f38d9c65c47c1fb9f2140c commit r14-2690-ga4913a19d24a794c97f38d9c65c47c1fb9f2140c Author: David Malcolm Date: Thu Jul 20 20:24:10 2023 -0400 analyzer: avoid usage of TYPE_PRECISION on vector types [PR110455] gcc/analyzer/ChangeLog: PR analyzer/110455 * region-model.cc (region_model::get_gassign_result): Only check for bad shift counts when dealing with an integral type. gcc/testsuite/ChangeLog: PR analyzer/110455 * gcc.dg/analyzer/pr110455.c: New test. Signed-off-by: David Malcolm Diff: --- gcc/analyzer/region-model.cc | 3 ++- gcc/testsuite/gcc.dg/analyzer/pr110455.c | 7 +++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/gcc/analyzer/region-model.cc b/gcc/analyzer/region-model.cc index 187013a37cc..e01b1c88299 100644 --- a/gcc/analyzer/region-model.cc +++ b/gcc/analyzer/region-model.cc @@ -860,7 +860,8 @@ region_model::get_gassign_result (const gassign *assign, or by greater than or equal to the number of bits that exist in the operand." */ if (const tree rhs2_cst = rhs2_sval->maybe_get_constant ()) - if (TREE_CODE (rhs2_cst) == INTEGER_CST) + if (TREE_CODE (rhs2_cst) == INTEGER_CST + && INTEGRAL_TYPE_P (TREE_TYPE (rhs1))) { if (tree_int_cst_sgn (rhs2_cst) < 0) ctxt->warn diff --git a/gcc/testsuite/gcc.dg/analyzer/pr110455.c b/gcc/testsuite/gcc.dg/analyzer/pr110455.c new file mode 100644 index 00000000000..7f979436b79 --- /dev/null +++ b/gcc/testsuite/gcc.dg/analyzer/pr110455.c @@ -0,0 +1,7 @@ +int __attribute__((__vector_size__ (4))) v; + +void +foo (void) +{ + v | v << 1; +}