Ping? Patch is attached for easy to apply.
Move the cstorecc4 pattern from "[PATCH, 10/10] aarch64: Handle ccmp in
ifcvt to make it work with cmov" to this patch, since cmov optimization does
not depend on that patch.
Thanks!
-Zhenqiang
ChangeLog:
2014-09-23 Zhenqiang Chen <zhenqiang.c...@linaro.org>
* config/aarch64/aarch64.md (cbranchcc4, *ccmp_and, *ccmp_ior,
cstorecc4): New.
> -----Original Message-----
> From: gcc-patches-ow...@gcc.gnu.org [mailto:gcc-patches-
> ow...@gcc.gnu.org] On Behalf Of Zhenqiang Chen
> Sent: Monday, June 23, 2014 3:01 PM
> To: gcc-patches@gcc.gnu.org
> Subject: [PATCH, 8/10] aarch64: ccmp insn patterns
>
> Hi,
>
> The patch adds two insn patterns for ccmp instructions.
>
> cbranchcc4 is introduced to generate optimized conditional branch without
> an additional compare against the result of ccmp.
>
> OK for trunk?
>
> Thanks!
> -Zhenqiang
>
> ChangeLog:
> 2014-06-23 Zhenqiang Chen <zhenqiang.c...@linaro.org>
>
> * config/aarch64/aarch64.md (cbranchcc4): New.
> (*ccmp_and, *ccmp_ior): New.
>
> diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
> index a4d8887..c25d940 100644
> --- a/gcc/config/aarch64/aarch64.md
> +++ b/gcc/config/aarch64/aarch64.md
> @@ -230,6 +230,52 @@
> "
> )
> +(define_expand "cbranchcc4"
> + [(set (pc) (if_then_else
> + (match_operator 0 "aarch64_comparison_operator"
> + [(match_operand 1 "cc_register" "")
> + (const_int 0)])
> + (label_ref (match_operand 3 "" ""))
> + (pc)))]
> + ""
> + " ")
> +
> +(define_insn "*ccmp_and"
> + [(set (match_operand 6 "ccmp_cc_register" "")
> + (compare
> + (and:SI
> + (match_operator 4 "aarch64_comparison_operator"
> + [(match_operand 0 "ccmp_cc_register" "")
> + (match_operand 1 "aarch64_plus_operand" "")])
> + (match_operator 5 "aarch64_comparison_operator"
> + [(match_operand:GPI 2 "register_operand" "r,r,r")
> + (match_operand:GPI 3 "aarch64_ccmp_operand" "r,Uss,Usn")]))
> + (const_int 0)))]
> + ""
> + {
> + return aarch64_output_ccmp (operands, true, which_alternative);
> + }
> + [(set_attr "type" "alus_reg,alus_imm,alus_imm")]
> +)
> +
> +(define_insn "*ccmp_ior"
> + [(set (match_operand 6 "ccmp_cc_register" "")
> + (compare
> + (ior:SI
> + (match_operator 4 "aarch64_comparison_operator"
> + [(match_operand 0 "ccmp_cc_register" "")
> + (match_operand 1 "aarch64_plus_operand" "")])
> + (match_operator 5 "aarch64_comparison_operator"
> + [(match_operand:GPI 2 "register_operand" "r,r,r")
> + (match_operand:GPI 3 "aarch64_ccmp_operand" "r,Uss,Usn")]))
> + (const_int 0)))]
> + ""
> + {
> + return aarch64_output_ccmp (operands, false, which_alternative);
> + }
> + [(set_attr "type" "alus_reg,alus_imm,alus_imm")]
> +)
> +
> (define_insn "*condjump"
> [(set (pc) (if_then_else (match_operator 0
> "aarch64_comparison_operator"
> [(match_operand 1 "cc_register" "") (const_int
0)])
> 57,1
8-patterns.patch
Description: Binary data
