From: Richard Biener <rguenther@suse.de>
Date: Fri, 25 Oct 2024 11:42:08 +0000 (+0200)
Subject: Finish vectorizer pattern proper COND_EXPR transition
X-Git-Tag: basepoints/gcc-16~4860
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5203deaf526b7119b456c0ac568851957640c078;p=thirdparty%2Fgcc.git

Finish vectorizer pattern proper COND_EXPR transition

The following tries to finish building proper GIMPLE COND_EXPRs
in vectorizer pattern recognition.

	* tree-vect-patterns.cc (vect_recog_divmod_pattern): Build
	separate comparion pattern for the condition of a COND_EXPR
	pattern.
---

diff --git a/gcc/tree-vect-patterns.cc b/gcc/tree-vect-patterns.cc
index d4c7793bb5aa..d9fe49378583 100644
--- a/gcc/tree-vect-patterns.cc
+++ b/gcc/tree-vect-patterns.cc
@@ -4933,8 +4933,11 @@ vect_recog_divmod_pattern (vec_info *vinfo,
 	  return pattern_stmt;
 	}
 
-      cond = build2 (LT_EXPR, boolean_type_node, oprnd0,
-		     build_int_cst (itype, 0));
+      cond = vect_recog_temp_ssa_var (boolean_type_node, NULL);
+      def_stmt = gimple_build_assign (cond, LT_EXPR, oprnd0,
+				      build_int_cst (itype, 0));
+      append_pattern_def_seq (vinfo, stmt_vinfo, def_stmt,
+			      truth_type_for (vectype), itype);
       if (rhs_code == TRUNC_DIV_EXPR
 	  || rhs_code == EXACT_DIV_EXPR)
 	{