[PATCH] x86: Disable AVX512BW for pr70325.c

"H.J. Lu" <[email protected]>
Newsgroups gmane.comp.gcc.patches
Message-ID <CAMe9rOqetN6RmNHt34fTX22Dfz9E=s51Dnk2fW0UVMRdup9tQQ@mail.gmail.com>
__builtin_ia32_storedquqi256_mask is available when both AVX512VL and
AVX512BW are enabled.  Disable AVX512BW for pr70325.c to avoid

FAIL: gcc.target/i386/pr70325.c (test for excess errors)
FAIL: gcc.target/i386/pr70325.c  (test for warnings, line 11)

due to the generated error:

.../gcc.target/i386/pr70325.c:11:37: warning: passing argument 1 of
‘__builtin_ia32_storedquqi256_mask’ from incompatible pointer type
[-Wincompatible-pointer-types]
.../gcc.target/i386/pr70325.c:11:37: note: expected ‘char *’ but
argument is of type ‘C *’ {aka ‘__vector(32) char *’}

vs the expected error

.../gcc.target/i386/pr70325.c: In function ‘f’:
.../gcc.target/i386/pr70325.c:11:3: warning: implicit declaration of
function ‘__builtin_ia32_storedquqi256_mask’; did you mean
‘__builtin_ia32_storedqudi256_mask’? [-Wimplicit-function-declaration]

when AVX512BW is enabled by default.

PR testsuite/126923
* gcc.target/i386/pr70325.c (dg-options): Add -mno-avx512bw.

-- 
H.J.
0001-x86-Disable-AVX512BW-for-pr70325.c.patch (text/x-patch, 1.9 KB)
From dd8d991fcce4dc113e7562763e50236d7cd1457f Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <[email protected]>
Date: Thu, 20 Aug 2026 14:31:46 +0800
Subject: [PATCH] x86: Disable AVX512BW for pr70325.c
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

__builtin_ia32_storedquqi256_mask is available when both AVX512VL and
AVX512BW are enabled.  Disable AVX512BW for pr70325.c to avoid

FAIL: gcc.target/i386/pr70325.c (test for excess errors)
FAIL: gcc.target/i386/pr70325.c  (test for warnings, line 11)

due to the generated error:

.../gcc.target/i386/pr70325.c:11:37: warning: passing argument 1 of ‘__builtin_ia32_storedquqi256_mask’ from incompatible pointer type [-Wincompatible-pointer-types]
.../gcc.target/i386/pr70325.c:11:37: note: expected ‘char *’ but argument is of type ‘C *’ {aka ‘__vector(32) char *’}

vs the expected error

.../gcc.target/i386/pr70325.c: In function ‘f’:
.../gcc.target/i386/pr70325.c:11:3: warning: implicit declaration of function ‘__builtin_ia32_storedquqi256_mask’; did you mean ‘__builtin_ia32_storedqudi256_mask’? [-Wimplicit-function-declaration]

when AVX512BW is enabled by default.

	PR testsuite/126923
	* gcc.target/i386/pr70325.c (dg-options): Add -mno-avx512bw.

Signed-off-by: H.J. Lu <[email protected]>
---
 gcc/testsuite/gcc.target/i386/pr70325.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/gcc.target/i386/pr70325.c b/gcc/testsuite/gcc.target/i386/pr70325.c
index 8b307399333..2f6a0e7bbb0 100644
--- a/gcc/testsuite/gcc.target/i386/pr70325.c
+++ b/gcc/testsuite/gcc.target/i386/pr70325.c
@@ -1,6 +1,6 @@
 /* PR target/70325 */
 /* { dg-do compile } */
-/* { dg-options "-fpermissive -mavx512vl -O2" } */
+/* { dg-options "-fpermissive -mavx512vl -mno-avx512bw -O2" } */
 
 typedef char C __attribute((__vector_size__(32)));
 typedef int I __attribute((__vector_size__(32)));
-- 
2.55.0
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