From: rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 29 Oct 2019 10:41:45 +0000 (+0000)
Subject: Fix reduc_index calculation in vectorizable_condition
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=736b509a58339bc4eaf9305c2edf28282823ad53;p=thirdparty%2Fgcc.git

Fix reduc_index calculation in vectorizable_condition

Fixes ICEs in gcc.target/aarch64/sve/clastb*.

2019-10-29  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* tree-vect-stmts.c (vectorizable_condition): Get the reduction
	index for the COND_EXPR from stmt_info rather than reduc_info.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@277567 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 77c8b185c6da..1c429520386e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-29  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* tree-vect-stmts.c (vectorizable_condition): Get the reduction
+	index for the COND_EXPR from stmt_info rather than reduc_info.
+
 2019-10-29  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/65930
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index abc827f738ee..7f5228208a03 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -9882,7 +9882,7 @@ vectorizable_condition (stmt_vec_info stmt_info, gimple_stmt_iterator *gsi,
 	return false;
       reduc_info = info_for_reduction (stmt_info);
       reduction_type = STMT_VINFO_REDUC_TYPE (reduc_info);
-      reduc_index = STMT_VINFO_REDUC_IDX (reduc_info);
+      reduc_index = STMT_VINFO_REDUC_IDX (stmt_info);
       gcc_assert (reduction_type != EXTRACT_LAST_REDUCTION
 		  || reduc_index != -1);
     }