From: Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
Date: Fri, 29 Jul 2022 19:31:44 +0000 (+0900)
Subject: xtensa: Add RTX costs for if_then_else
X-Git-Tag: basepoints/gcc-14~5310
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48e9954d0865b5e5e31cb77ad05c45f7206eeb9f;p=thirdparty%2Fgcc.git

xtensa: Add RTX costs for if_then_else

It takes one machine instruction for both condtional branch and move.

gcc/ChangeLog:

	* config/xtensa/xtensa.cc (xtensa_rtx_costs):
	Add new case for IF_THEN_ELSE.
---

diff --git a/gcc/config/xtensa/xtensa.cc b/gcc/config/xtensa/xtensa.cc
index a851a7ae6b3..6ac879c38fb 100644
--- a/gcc/config/xtensa/xtensa.cc
+++ b/gcc/config/xtensa/xtensa.cc
@@ -4273,6 +4273,7 @@ xtensa_rtx_costs (rtx x, machine_mode mode, int outer_code,
 
     case ZERO_EXTRACT:
     case ZERO_EXTEND:
+    case IF_THEN_ELSE:
       *total = COSTS_N_INSNS (1);
       return true;