diff mbox series

[2/2] xtensa: Add missing speed cost for TYPE_FARITH in TARGET_INSN_COST

Message ID 666cbebb-f222-4f45-b796-62a8088b31be@yahoo.co.jp
State New
Headers show
Series None | expand

Commit Message

Takayuki 'January June' Suwa July 24, 2024, 12:50 a.m. UTC 
According to the implemented pipeline model, this cost can be assumed to be
1 clock cycle.

gcc/ChangeLog:

	* config/xtensa/xtensa.cc (xtensa_insn_cost):
	Add a case statement for TYPE_FARITH.
From b819dd4fb38bedd95ef5d66847a0f80b9ca8ee86 Mon Sep 17 00:00:00 2001
From: Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
Date: Wed, 24 Jul 2024 06:07:06 +0900
Subject: [PATCH 2/2] xtensa: Add missing speed cost for TYPE_FARITH in
 TARGET_INSN_COST

According to the implemented pipeline model, this cost can be assumed to be
1 clock cycle.

gcc/ChangeLog:

	* config/xtensa/xtensa.cc (xtensa_insn_cost):
	Add a case statement for TYPE_FARITH.
---
 gcc/config/xtensa/xtensa.cc | 1 +
 1 file changed, 1 insertion(+)

Comments

Max Filippov July 30, 2024, 6:11 a.m. UTC | #1 
On Tue, Jul 23, 2024 at 5:52 PM Takayuki 'January June' Suwa
<jjsuwa_sys3175@yahoo.co.jp> wrote:
>
> According to the implemented pipeline model, this cost can be assumed to be
> 1 clock cycle.
>
> gcc/ChangeLog:
>
>         * config/xtensa/xtensa.cc (xtensa_insn_cost):
>         Add a case statement for TYPE_FARITH.

Regtested for target=xtensa-linux-uclibc, no new regressions.
Committed to master
diff mbox series

Patch

diff --git a/gcc/config/xtensa/xtensa.cc b/gcc/config/xtensa/xtensa.cc
index d90e78fe9c4..a7cb3cc59fc 100644
--- a/gcc/config/xtensa/xtensa.cc
+++ b/gcc/config/xtensa/xtensa.cc
@@ -4722,6 +4722,7 @@  xtensa_insn_cost (rtx_insn *insn, bool speed)
 	    case TYPE_ARITH:
 	    case TYPE_MULTI:
 	    case TYPE_NOP:
+	    case TYPE_FARITH:
 	    case TYPE_FSTORE:
 	      return COSTS_N_INSNS (n);