[gcc r17-3463] x86: Compile some BF16 tests with -mno-avx512bf16 -mno-avxneconvert

"H.J. Lu via Gcc-cvs" <[email protected]>
Newsgroups gmane.comp.gcc.cvs
Message-ID <[email protected]>
https://gcc.gnu.org/g:83f3afe15d628481cf90e1c889f8a0c956152256

commit r17-3463-g83f3afe15d628481cf90e1c889f8a0c956152256
Author: H.J. Lu <[email protected]>
Date:   Thu Aug 20 10:42:08 2026 +0800

    x86: Compile some BF16 tests with -mno-avx512bf16 -mno-avxneconvert
    
    Compile some BF16 tests with -mno-avx512bf16 -mno-avxneconvert to avoid
    
    FAIL: gcc.target/i386/sse2-bfloat16-scalar-typecheck.c (test for excess errors)
    FAIL: gcc.target/i386/vect-bfloat16-typecheck_1.c (test for excess errors)
    FAIL: gcc.target/i386/vect-bfloat16-typecheck_2.c (test for excess errors)
    
    with errors like
    
    sse2-bfloat16-scalar-typecheck.c:16:1: warning: ‘__bfloat16’ is redefined from typedef ‘short’ to real ‘__bf16’ since GCC 13.1, be careful of implicit conversion between ‘__bf16’ and ‘short’; an explicit bitcast may be needed here
    
    when AVXNECONVERT or AVX512BF16 are enabled by default.
    
            PR testsuite/126923
            * gcc.target/i386/sse2-bfloat16-scalar-typecheck.c (dg-options):
            Add -mno-avx512bf16 -mno-avxneconvert.
            * gcc.target/i386/vect-bfloat16-typecheck_1.c (dg-options):
            Likewise.
            * gcc.target/i386/vect-bfloat16-typecheck_2.c (dg-options):
            Likewise.
    
    Signed-off-by: H.J. Lu <[email protected]>
    
    Signed-off-by: H.J. Lu <[email protected]>

Diff:
---
 gcc/testsuite/gcc.target/i386/sse2-bfloat16-scalar-typecheck.c | 2 +-
 gcc/testsuite/gcc.target/i386/vect-bfloat16-typecheck_1.c      | 2 +-
 gcc/testsuite/gcc.target/i386/vect-bfloat16-typecheck_2.c      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/testsuite/gcc.target/i386/sse2-bfloat16-scalar-typecheck.c b/gcc/testsuite/gcc.target/i386/sse2-bfloat16-scalar-typecheck.c
index 599b02632fdf..a8f371788be9 100644
--- a/gcc/testsuite/gcc.target/i386/sse2-bfloat16-scalar-typecheck.c
+++ b/gcc/testsuite/gcc.target/i386/sse2-bfloat16-scalar-typecheck.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-msse2 -O2" } */
+/* { dg-options "-msse2 -mno-avx512bf16 -mno-avxneconvert -O2" } */
 
 
 __bf16 glob_bfloat;
diff --git a/gcc/testsuite/gcc.target/i386/vect-bfloat16-typecheck_1.c b/gcc/testsuite/gcc.target/i386/vect-bfloat16-typecheck_1.c
index fdcead3ff42b..afc6ee676135 100644
--- a/gcc/testsuite/gcc.target/i386/vect-bfloat16-typecheck_1.c
+++ b/gcc/testsuite/gcc.target/i386/vect-bfloat16-typecheck_1.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-mavx512fp16 -O2" } */
+/* { dg-options "-mavx512fp16 -mno-avx512bf16 -mno-avxneconvert -O2" } */
 
 #include <immintrin.h>
 
diff --git a/gcc/testsuite/gcc.target/i386/vect-bfloat16-typecheck_2.c b/gcc/testsuite/gcc.target/i386/vect-bfloat16-typecheck_2.c
index 17ca3aad6522..362f66ba4804 100644
--- a/gcc/testsuite/gcc.target/i386/vect-bfloat16-typecheck_2.c
+++ b/gcc/testsuite/gcc.target/i386/vect-bfloat16-typecheck_2.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-mavx512fp16 -O2" } */
+/* { dg-options "-mavx512fp16 -mno-avx512bf16 -mno-avxneconvert -O2" } */
 
 #include <immintrin.h>
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