From 0dca759cda1657a233daa234c4211aac9c43b424 Mon Sep 17 00:00:00 2001 From: sayle Date: Fri, 5 Jan 2007 21:22:05 +0000 Subject: [PATCH] * trans-array.c (gfc_conv_loop_setup): Test whether the loop stride is one, to avoid fold_build2 introducing a useless NON_LVALUE_EXPR node. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120500 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/fortran/ChangeLog | 6 ++++++ gcc/fortran/trans-array.c | 6 ++++-- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index c574dc42f23d..73dcf0e57f2c 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,9 @@ +2007-01-05 Roger Sayle + + * trans-array.c (gfc_conv_loop_setup): Test whether the loop + stride is one, to avoid fold_build2 introducing a useless + NON_LVALUE_EXPR node. + 2007-01-05 Tobias Burnus * symbol.c (check_conflict): Fix error message. diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c index 10243fe5712f..d6d3ff7eff08 100644 --- a/gcc/fortran/trans-array.c +++ b/gcc/fortran/trans-array.c @@ -3141,8 +3141,10 @@ gfc_conv_loop_setup (gfc_loopinfo * loop) { /* Calculate the offset relative to the loop variable. First multiply by the stride. */ - tmp = fold_build2 (MULT_EXPR, gfc_array_index_type, - loop->from[n], info->stride[n]); + tmp = loop->from[n]; + if (!integer_onep (info->stride[n])) + tmp = fold_build2 (MULT_EXPR, gfc_array_index_type, + tmp, info->stride[n]); /* Then subtract this from our starting value. */ tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type, -- 2.47.3