From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2209) id D2965385840A; Wed, 17 Nov 2021 02:00:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D2965385840A 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 r12-5329] analyzer: don't assume target has alloca [PR102779] X-Act-Checkin: gcc X-Git-Author: David Malcolm X-Git-Refname: refs/heads/master X-Git-Oldrev: 8c693978dd64b16637577ebf50c760053d7d2165 X-Git-Newrev: a80d4e098b10d5cd161f55e4fce64a6be9683ed3 Message-Id: <20211117020034.D2965385840A@sourceware.org> Date: Wed, 17 Nov 2021 02:00:34 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Nov 2021 02:00:34 -0000 https://gcc.gnu.org/g:a80d4e098b10d5cd161f55e4fce64a6be9683ed3 commit r12-5329-ga80d4e098b10d5cd161f55e4fce64a6be9683ed3 Author: David Malcolm Date: Mon Nov 15 18:23:08 2021 -0500 analyzer: don't assume target has alloca [PR102779] gcc/testsuite/ChangeLog: PR analyzer/102779 * gcc.dg/analyzer/capacity-1.c: Add dg-require-effective-target alloca. Use __builtin_alloca rather than alloca. * gcc.dg/analyzer/capacity-3.c: Likewise. Signed-off-by: David Malcolm Diff: --- gcc/testsuite/gcc.dg/analyzer/capacity-1.c | 4 +++- gcc/testsuite/gcc.dg/analyzer/capacity-3.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/gcc/testsuite/gcc.dg/analyzer/capacity-1.c b/gcc/testsuite/gcc.dg/analyzer/capacity-1.c index 9ea41f72e1d..2d124833296 100644 --- a/gcc/testsuite/gcc.dg/analyzer/capacity-1.c +++ b/gcc/testsuite/gcc.dg/analyzer/capacity-1.c @@ -1,3 +1,5 @@ +/* { dg-require-effective-target alloca } */ + #include #include "analyzer-decls.h" @@ -53,7 +55,7 @@ test_malloc (void) void test_alloca (size_t sz) { - void *p = alloca (sz); + void *p = __builtin_alloca (sz); __analyzer_dump_capacity (p); /* { dg-warning "capacity: 'INIT_VAL\\(sz_\[^\n\r\]*\\)'" } */ } diff --git a/gcc/testsuite/gcc.dg/analyzer/capacity-3.c b/gcc/testsuite/gcc.dg/analyzer/capacity-3.c index 41e282cee92..c099ff5725d 100644 --- a/gcc/testsuite/gcc.dg/analyzer/capacity-3.c +++ b/gcc/testsuite/gcc.dg/analyzer/capacity-3.c @@ -1,10 +1,12 @@ +/* { dg-require-effective-target alloca } */ + #include #include "analyzer-decls.h" static void __attribute__((noinline)) __analyzer_callee_1 (size_t inner_sz) { - void *p = alloca (inner_sz); + void *p = __builtin_alloca (inner_sz); __analyzer_dump_capacity (p); /* { dg-warning "capacity: 'INIT_VAL\\(outer_sz_\[^\n\r\]*\\)'" } */ }