> > Is it possible to create a test case that gas would throw an error for > > invalid operands? > > You can use -ffix-xmmN to disable XMM0-15.
I mean can we create an intrinsic test for this PR that produces xmm16-31? And the -ffix-xmmN is an option for assembler or compiler? I didn't find it in document. H.J. Lu <hjl.to...@gmail.com> 于2022年3月26日周六 09:22写道： > > On Fri, Mar 25, 2022 at 6:08 PM Hongyu Wang <wwwhhhyyy...@gmail.com> wrote: > > > > Is it possible to create a test case that gas would throw an error for > > invalid operands? > > You can use -ffix-xmmN to disable XMM0-15. > > > H.J. Lu via Gcc-patches <gcc-patches@gcc.gnu.org> 于2022年3月26日周六 04:50写道： > > > > > > Since KL instructions have no AVX512 version, replace the "v" register > > > constraint with the "x" register constraint. > > > > > > PR target/105058 > > > * config/i386/sse.md (loadiwkey): Replace "v" with "x". > > > (aes<aesklvariant>u8): Likewise. > > > --- > > > gcc/config/i386/sse.md | 6 +++--- > > > 1 file changed, 3 insertions(+), 3 deletions(-) > > > > > > diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md > > > index 29802d00ce6..33bd2c4768a 100644 > > > --- a/gcc/config/i386/sse.md > > > +++ b/gcc/config/i386/sse.md > > > @@ -28364,8 +28364,8 @@ (define_insn "avx512f_dpbf16ps_<mode>_mask" > > > > > > ;; KEYLOCKER > > > (define_insn "loadiwkey" > > > - [(unspec_volatile:V2DI [(match_operand:V2DI 0 "register_operand" "v") > > > - (match_operand:V2DI 1 "register_operand" "v") > > > + [(unspec_volatile:V2DI [(match_operand:V2DI 0 "register_operand" "x") > > > + (match_operand:V2DI 1 "register_operand" "x") > > > (match_operand:V2DI 2 "register_operand" "Yz") > > > (match_operand:SI 3 "register_operand" "a")] > > > UNSPECV_LOADIWKEY) > > > @@ -28498,7 +28498,7 @@ (define_int_attr aesklvariant > > > (UNSPECV_AESENC256KLU8 "enc256kl")]) > > > > > > (define_insn "aes<aesklvariant>u8" > > > - [(set (match_operand:V2DI 0 "register_operand" "=v") > > > + [(set (match_operand:V2DI 0 "register_operand" "=x") > > > (unspec_volatile:V2DI [(match_operand:V2DI 1 "register_operand" > > > "0") > > > (match_operand:BLK 2 "memory_operand" > > > "m")] > > > AESDECENCKL)) > > > -- > > > 2.35.1 > > > > > > > -- > H.J.
