diff options
Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 31 |
1 files changed, 21 insertions, 10 deletions
@@ -9550,10 +9550,11 @@ make_or_reuse_accum_type (unsigned size, int unsignedp, int satp) during initialization of data types to create the 5 basic atomic types. The generic build_variant_type function requires these to already be set up in order to function properly, so cannot be - called from there. */ + called from there. If ALIGN is non-zero, then ensure alignment is + overridden to this value. */ static tree -build_atomic_base (tree type) +build_atomic_base (tree type, unsigned int align) { tree t; @@ -9564,6 +9565,9 @@ build_atomic_base (tree type) t = build_variant_type_copy (type); set_type_quals (t, TYPE_QUAL_ATOMIC); + if (align) + TYPE_ALIGN (t) = align; + return t; } @@ -9651,14 +9655,21 @@ build_common_tree_nodes (bool signed_char, bool short_double) /* Don't call build_qualified type for atomics. That routine does special processing for atomics, and until they are initialized - it's better not to make that call. */ - - atomicQI_type_node = build_atomic_base (unsigned_intQI_type_node); - atomicHI_type_node = build_atomic_base (unsigned_intHI_type_node); - atomicSI_type_node = build_atomic_base (unsigned_intSI_type_node); - atomicDI_type_node = build_atomic_base (unsigned_intDI_type_node); - atomicTI_type_node = build_atomic_base (unsigned_intTI_type_node); - + it's better not to make that call. + + Check to see if there is a target override for atomic types. */ + + atomicQI_type_node = build_atomic_base (unsigned_intQI_type_node, + targetm.atomic_align_for_mode (QImode)); + atomicHI_type_node = build_atomic_base (unsigned_intHI_type_node, + targetm.atomic_align_for_mode (HImode)); + atomicSI_type_node = build_atomic_base (unsigned_intSI_type_node, + targetm.atomic_align_for_mode (SImode)); + atomicDI_type_node = build_atomic_base (unsigned_intDI_type_node, + targetm.atomic_align_for_mode (DImode)); + atomicTI_type_node = build_atomic_base (unsigned_intTI_type_node, + targetm.atomic_align_for_mode (TImode)); + access_public_node = get_identifier ("public"); access_protected_node = get_identifier ("protected"); access_private_node = get_identifier ("private"); |