> -----Original Message-----
> From: Kong, Lingling <lingling.k...@intel.com>
> Sent: Thursday, October 10, 2024 9:57 AM
> To: gcc-patches@gcc.gnu.org
> Cc: Liu, Hongtao <hongtao....@intel.com>; Xu, Liwei <liwei...@intel.com>
> Subject: [PATCH] i386: Fix scalar VCOMSBF16 which only compares low word
>
> Hi,
>
> Fixed scalar VCOMSBF16 misused in AVX10.2.
> Bootstrapped and regtested on x86_64-pc-linux-gnu{-m64}.
>
> Ok for trunk?
Ok.
>
> gcc/ChangeLog:
>
> * config/i386/sse.md (avx10_2_comsbf16_v8bf): Fixed scalar
> operands.
> ---
> gcc/config/i386/sse.md | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index
> d6e2135423d..a529849898e 100644
> --- a/gcc/config/i386/sse.md
> +++ b/gcc/config/i386/sse.md
> @@ -32332,8 +32332,12 @@
> (define_insn "avx10_2_comsbf16_v8bf"
> [(set (reg:CCFP FLAGS_REG)
> (unspec:CCFP
> - [(match_operand:V8BF 0 "register_operand" "v")
> - (match_operand:V8BF 1 "nonimmediate_operand" "vm")]
> + [(vec_select:BF
> + (match_operand:V8BF 0 "register_operand" "v")
> + (parallel [(const_int 0)]))
> + (vec_select:BF
> + (match_operand:V8BF 1 "nonimmediate_operand" "vm")
> + (parallel [(const_int 0)]))]
> UNSPEC_VCOMSBF16))]
> "TARGET_AVX10_2_256"
> "vcomsbf16\t{%1, %0|%0, %1}"
> --
> 2.31.1
