From: Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
Date: Tue, 18 Apr 2023 20:11:09 +0000 (-0600)
Subject: ifcvt.cc: Prevent excessive if-conversion for conditional moves
X-Git-Tag: basepoints/gcc-15~10086
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=675b1a7f113adb1d737adaf78b4fd90be7a0ed1a;p=thirdparty%2Fgcc.git

ifcvt.cc: Prevent excessive if-conversion for conditional moves

gcc/
	* ifcvt.cc (cond_move_process_if_block): Consider the result of
	targetm.noce_conversion_profitable_p() when replacing the original
	sequence with the converted one.
---

diff --git a/gcc/ifcvt.cc b/gcc/ifcvt.cc
index e4168d95ad9f..868eda932517 100644
--- a/gcc/ifcvt.cc
+++ b/gcc/ifcvt.cc
@@ -4353,7 +4353,7 @@ cond_move_process_if_block (struct noce_if_info *if_info)
       goto done;
     }
   seq = end_ifcvt_sequence (if_info);
-  if (!seq)
+  if (!seq || !targetm.noce_conversion_profitable_p (seq, if_info))
     goto done;
 
   loc_insn = first_active_insn (then_bb);