From: Richard Kenner Date: Sat, 5 Jul 2003 11:51:54 +0000 (+0000) Subject: expr.c (expand_expr, [...]): When seeing if should use bitfield operations... X-Git-Tag: releases/gcc-3.4.0~5135 X-Git-Url: https://gcc.gnu.org/git/?a=commitdiff_plain;h=a8f3bf527144a4ddcffcfd37f022f8bc65de6bef;p=gcc.git expr.c (expand_expr, [...]): When seeing if should use bitfield operations... * expr.c (expand_expr, case COMPONENT_REF): When seeing if should use bitfield operations, use STRICT_ALIGNMENT, not SLOW_UNALIGNED_ACCESS if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER. From-SVN: r68968 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f3369639fa46..04fa53e0bce3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2003-07-05 Richard Kenner + + * expr.c (expand_expr, case COMPONENT_REF): When seeing if should use + bitfield operations, use STRICT_ALIGNMENT, not SLOW_UNALIGNED_ACCESS + if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER. + 2003-07-05 Andreas Jaeger * genattrtab.c (write_attr_get): Revert part of last patch to diff --git a/gcc/expr.c b/gcc/expr.c index 56d733f2d0fc..88374f35ee36 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -7541,7 +7541,10 @@ expand_expr (tree exp, rtx target, enum machine_mode tmode, enum expand_modifier || (mode1 != BLKmode && (((TYPE_ALIGN (TREE_TYPE (tem)) < GET_MODE_ALIGNMENT (mode) || (bitpos % GET_MODE_ALIGNMENT (mode) != 0)) - && SLOW_UNALIGNED_ACCESS (mode1, MEM_ALIGN (op0))) + && ((modifier == EXPAND_CONST_ADDRESS + || modifier == EXPAND_INITIALIZER) + ? STRICT_ALIGNMENT + : SLOW_UNALIGNED_ACCESS (mode1, MEM_ALIGN (op0)))) || (bitpos % BITS_PER_UNIT != 0))) /* If the type and the field are a constant size and the size of the type isn't the same size as the bitfield,