On Tue, Dec 5, 2023 at 3:29 AM Hongyu Wang <hongyu.w...@intel.com> wrote:
>
> From: Kong Lingling <lingling.k...@intel.com>
>
> gcc/ChangeLog:
>
> * config/i386/i386.md: (addsi_1_zext): Add new alternatives for
> NDD and adjust output templates.
> (*add<mode>_2): Likewise.
> (*addsi_2_zext): Likewise.
> (*add<mode>_3): Likewise.
> (*addsi_3_zext): Likewise.
> (*adddi_4): Likewise.
> (*add<mode>_4): Likewise.
> (*add<mode>_5): Likewise.
> (*addv<mode>4): Likewise.
> (*addv<mode>4_1): Likewise.
> (*add<mode>3_cconly_overflow_1): Likewise.
> (*add<mode>3_cc_overflow_1): Likewise.
> (*addsi3_zext_cc_overflow_1): Likewise.
> (*add<mode>3_cconly_overflow_2): Likewise.
> (*add<mode>3_cc_overflow_2): Likewise.
> (*addsi3_zext_cc_overflow_2): Likewise.
>
> gcc/testsuite/ChangeLog:
>
> * gcc.target/i386/apx-ndd.c: Add more test.
> ---
> gcc/config/i386/i386.md | 310 +++++++++++++++---------
> gcc/testsuite/gcc.target/i386/apx-ndd.c | 53 ++--
> 2 files changed, 232 insertions(+), 131 deletions(-)
>
> diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
> index cb227d19f40..2a73f6dcaec 100644
> --- a/gcc/config/i386/i386.md
> +++ b/gcc/config/i386/i386.md
> @@ -6476,13 +6476,15 @@ (define_insn "*add<mode>_1"
> ;; patterns constructed from addsi_1 to match.
>
> (define_insn "addsi_1_zext"
> - [(set (match_operand:DI 0 "register_operand" "=r,r,r")
> + [(set (match_operand:DI 0 "register_operand" "=r,r,r,r,r")
> (zero_extend:DI
> - (plus:SI (match_operand:SI 1 "nonimmediate_operand" "%0,r,r")
> - (match_operand:SI 2 "x86_64_general_operand"
> "rBMe,0,le"))))
> + (plus:SI (match_operand:SI 1 "nonimmediate_operand" "%0,r,r,r,rm")
> + (match_operand:SI 2 "x86_64_general_operand"
> "rBMe,0,le,rBMe,re"))))
> (clobber (reg:CC FLAGS_REG))]
> - "TARGET_64BIT && ix86_binary_operator_ok (PLUS, SImode, operands)"
> + "TARGET_64BIT && ix86_binary_operator_ok (PLUS, SImode, operands,
> + TARGET_APX_NDD)"
> {
> + bool use_ndd = (which_alternative == 3 || which_alternative == 4);
Can get_attr_isa (insn) == ISA_APX_NDD be used instead?
Uros.
