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From: Uros Bizjak <uros@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-7147] i386: -mno-xsave should disable all relevant ISA flags [PR104462] Date: Wed, 9 Feb 2022 19:20:19 +0000 (GMT) [thread overview] Message-ID: <20220209192019.F0A563858D28@sourceware.org> (raw) https://gcc.gnu.org/g:2f9ab267e725ddf2b6b44113e4fc4fb8b2a6adfb commit r12-7147-g2f9ab267e725ddf2b6b44113e4fc4fb8b2a6adfb Author: Uros Bizjak <ubizjak@gmail.com> Date: Wed Feb 9 20:19:45 2022 +0100 i386: -mno-xsave should disable all relevant ISA flags [PR104462] 2022-02-09 Uroš Bizjak <ubizjak@gmail.com> gcc/ChangeLog: PR target/104462 * common/config/i386/i386-common.cc (OPTION_MASK_ISA2_XSAVE_UNSET): Also include OPTION_MASK_ISA2_AVX2_UNSET. gcc/testsuite/ChangeLog: PR target/104462 * gcc.target/i386/pr104462.c: New test. Diff: --- gcc/common/config/i386/i386-common.cc | 3 ++- gcc/testsuite/gcc.target/i386/pr104462.c | 13 +++++++++++++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/gcc/common/config/i386/i386-common.cc b/gcc/common/config/i386/i386-common.cc index 607e9f20e85..449df6351c9 100644 --- a/gcc/common/config/i386/i386-common.cc +++ b/gcc/common/config/i386/i386-common.cc @@ -206,7 +206,8 @@ along with GCC; see the file COPYING3. If not see (OPTION_MASK_ISA_XSAVE | OPTION_MASK_ISA_XSAVEOPT_UNSET \ | OPTION_MASK_ISA_XSAVES_UNSET | OPTION_MASK_ISA_XSAVEC_UNSET \ | OPTION_MASK_ISA_AVX_UNSET) -#define OPTION_MASK_ISA2_XSAVE_UNSET OPTION_MASK_ISA2_AMX_TILE_UNSET +#define OPTION_MASK_ISA2_XSAVE_UNSET \ + (OPTION_MASK_ISA2_AVX2_UNSET | OPTION_MASK_ISA2_AMX_TILE_UNSET) #define OPTION_MASK_ISA_XSAVEOPT_UNSET OPTION_MASK_ISA_XSAVEOPT #define OPTION_MASK_ISA_AVX2_UNSET \ (OPTION_MASK_ISA_AVX2 | OPTION_MASK_ISA_AVX512F_UNSET) diff --git a/gcc/testsuite/gcc.target/i386/pr104462.c b/gcc/testsuite/gcc.target/i386/pr104462.c new file mode 100644 index 00000000000..7a5ee64f431 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr104462.c @@ -0,0 +1,13 @@ +/* PR target/104462 */ +/* { dg-do compile } */ +/* { dg-options "-mavx512fp16 -mno-xsave" } */ + +typedef _Float16 __attribute__((__vector_size__ (8))) F; + +F f; + +void +foo (void) +{ + f *= -f; +}
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