From 623f52775e677bb3d6e9e7ef97196741dd904b1e Mon Sep 17 00:00:00 2001 From: Iain Buclaw Date: Sun, 3 Mar 2024 02:26:37 +0100 Subject: d: Fix gdc -O2 -mavx generates misaligned vmovdqa instruction [PR114171] PR d/114171 gcc/d/ChangeLog: * d-codegen.cc (lower_struct_comparison): Keep alignment of original type in reinterpret cast for comparison. gcc/testsuite/ChangeLog: * gdc.dg/torture/pr114171.d: New test. --- gcc/d/d-codegen.cc | 1 + 1 file changed, 1 insertion(+) (limited to 'gcc/d/d-codegen.cc') diff --git a/gcc/d/d-codegen.cc b/gcc/d/d-codegen.cc index 5bc2339..43d7739f 100644 --- a/gcc/d/d-codegen.cc +++ b/gcc/d/d-codegen.cc @@ -1006,6 +1006,7 @@ lower_struct_comparison (tree_code code, StructDeclaration *sd, if (tmode == NULL_TREE) tmode = make_unsigned_type (GET_MODE_BITSIZE (mode.require ())); + tmode = build_aligned_type (tmode, TYPE_ALIGN (stype)); t1ref = build_vconvert (tmode, t1ref); t2ref = build_vconvert (tmode, t2ref); -- cgit v1.1