On 2/10/19, H.J. Lu <hjl.to...@gmail.com> wrote:
> Emulate MMX ssse3_psign<mode>3 with SSE. Only SSE register source operand
> is allowed.
>
> PR target/89021
> * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
OK.
Uros.
> ---
> gcc/config/i386/sse.md | 18 +++++++++++-------
> 1 file changed, 11 insertions(+), 7 deletions(-)
>
> diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
> index 00e1fe03995..c3dcb6bc6b1 100644
> --- a/gcc/config/i386/sse.md
> +++ b/gcc/config/i386/sse.md
> @@ -15908,17 +15908,21 @@
> (set_attr "mode" "<sseinsnmode>")])
>
> (define_insn "ssse3_psign<mode>3"
> - [(set (match_operand:MMXMODEI 0 "register_operand" "=y")
> + [(set (match_operand:MMXMODEI 0 "register_operand" "=y,x,Yv")
> (unspec:MMXMODEI
> - [(match_operand:MMXMODEI 1 "register_operand" "0")
> - (match_operand:MMXMODEI 2 "nonimmediate_operand" "ym")]
> + [(match_operand:MMXMODEI 1 "register_operand" "0,0,Yv")
> + (match_operand:MMXMODEI 2 "nonimmediate_operand" "ym,x,Yv")]
> UNSPEC_PSIGN))]
> - "TARGET_SSSE3"
> - "psign<mmxvecsize>\t{%2, %0|%0, %2}";
> - [(set_attr "type" "sselog1")
> + "(TARGET_MMX || TARGET_MMX_WITH_SSE) && TARGET_SSSE3"
> + "@
> + psign<mmxvecsize>\t{%2, %0|%0, %2}
> + psign<mmxvecsize>\t{%2, %0|%0, %2}
> + vpsign<mmxvecsize>\t{%2, %1, %0|%0, %1, %2}"
> + [(set_attr "mmx_isa" "native,x64_noavx,x64_avx")
> + (set_attr "type" "sselog1")
> (set_attr "prefix_extra" "1")
> (set (attr "prefix_rex") (symbol_ref "x86_extended_reg_mentioned_p
> (insn)"))
> - (set_attr "mode" "DI")])
> + (set_attr "mode" "DI,TI,TI")])
>
> (define_insn "<ssse3_avx2>_palignr<mode>_mask"
> [(set (match_operand:VI1_AVX512 0 "register_operand" "=v")
> --
> 2.20.1
>
>
