Hi! Ping.
On Thu, 29 Sep 2016 15:18:00 +0200, Thomas Schwinge <tho...@codesourcery.com> wrote: > On Mon, 19 Sep 2016 13:25:01 +0200, Richard Biener > <richard.guent...@gmail.com> wrote: > > On Mon, Sep 19, 2016 at 1:19 PM, Thomas Schwinge > > <tho...@codesourcery.com> wrote: > > > On Mon, 19 Sep 2016 10:18:35 +0200, Richard Biener > > > <richard.guent...@gmail.com> wrote: > > >> On Fri, Sep 16, 2016 at 3:32 PM, Thomas Schwinge > > >> <tho...@codesourcery.com> wrote: > > >> > --- gcc/tree-streamer.c > > >> > +++ gcc/tree-streamer.c > > >> > @@ -278,9 +278,23 @@ record_common_node (struct streamer_tree_cache_d > > >> > *cache, tree node) > > >> > streamer_tree_cache_append (cache, node, cache->nodes.length ()); > > >> > > > >> > if (POINTER_TYPE_P (node) > > >> > - || TREE_CODE (node) == COMPLEX_TYPE > > >> > || TREE_CODE (node) == ARRAY_TYPE) > > >> > record_common_node (cache, TREE_TYPE (node)); > > >> > + else if (TREE_CODE (node) == COMPLEX_TYPE) > > >> > + { > > >> > + /* Assert that complex types' component types have already been > > >> > handled > > >> > + (and we thus don't need to recurse here). See PR lto/77458. > > >> > */ > > >> > +[...] > > > >> So I very much like to go forward with this kind of change as well > > > > [patch] > > > Ok with [changes] > > Like this? (I'll then continue to replicate this for other tree codes.) commit 1c7dd6d92b7805cf12aaf822e509fa384cfcfbb0 Author: Thomas Schwinge <tho...@codesourcery.com> Date: Wed Sep 28 12:36:59 2016 +0200 [PR lto/77458] Avoid ICE in offloading with differing _FloatN, _FloatNx types gcc/ PR lto/77458 * tree-core.h (enum tree_index): Put the complex types after their component types. * tree-streamer.c (verify_common_node_recorded): New function. (preload_common_nodes) <TREE_CODE (node) == COMPLEX_TYPE>: Use it. --- gcc/tree-core.h | 31 +++++++++++++++++-------------- gcc/tree-streamer.c | 32 +++++++++++++++++++++++++++++++- 2 files changed, 48 insertions(+), 15 deletions(-) diff --git gcc/tree-core.h gcc/tree-core.h index 1bfe682..3e3f31e 100644 --- gcc/tree-core.h +++ gcc/tree-core.h @@ -556,20 +556,6 @@ enum tree_index { TI_BOOLEAN_FALSE, TI_BOOLEAN_TRUE, - TI_COMPLEX_INTEGER_TYPE, - TI_COMPLEX_FLOAT_TYPE, - TI_COMPLEX_DOUBLE_TYPE, - TI_COMPLEX_LONG_DOUBLE_TYPE, - - TI_COMPLEX_FLOAT16_TYPE, - TI_COMPLEX_FLOATN_NX_TYPE_FIRST = TI_COMPLEX_FLOAT16_TYPE, - TI_COMPLEX_FLOAT32_TYPE, - TI_COMPLEX_FLOAT64_TYPE, - TI_COMPLEX_FLOAT128_TYPE, - TI_COMPLEX_FLOAT32X_TYPE, - TI_COMPLEX_FLOAT64X_TYPE, - TI_COMPLEX_FLOAT128X_TYPE, - TI_FLOAT_TYPE, TI_DOUBLE_TYPE, TI_LONG_DOUBLE_TYPE, @@ -599,6 +585,23 @@ enum tree_index { - TI_FLOATN_NX_TYPE_FIRST \ + 1) + /* Put the complex types after their component types, so that in (sequential) + tree streaming we can assert that their component types have already been + handled (see tree-streamer.c:record_common_node). */ + TI_COMPLEX_INTEGER_TYPE, + TI_COMPLEX_FLOAT_TYPE, + TI_COMPLEX_DOUBLE_TYPE, + TI_COMPLEX_LONG_DOUBLE_TYPE, + + TI_COMPLEX_FLOAT16_TYPE, + TI_COMPLEX_FLOATN_NX_TYPE_FIRST = TI_COMPLEX_FLOAT16_TYPE, + TI_COMPLEX_FLOAT32_TYPE, + TI_COMPLEX_FLOAT64_TYPE, + TI_COMPLEX_FLOAT128_TYPE, + TI_COMPLEX_FLOAT32X_TYPE, + TI_COMPLEX_FLOAT64X_TYPE, + TI_COMPLEX_FLOAT128X_TYPE, + TI_FLOAT_PTR_TYPE, TI_DOUBLE_PTR_TYPE, TI_LONG_DOUBLE_PTR_TYPE, diff --git gcc/tree-streamer.c gcc/tree-streamer.c index 2139e96..60118dc 100644 --- gcc/tree-streamer.c +++ gcc/tree-streamer.c @@ -248,6 +248,32 @@ streamer_tree_cache_lookup (struct streamer_tree_cache_d *cache, tree t, } +/* Verify that NODE is in CACHE. */ + +static void +verify_common_node_recorded (struct streamer_tree_cache_d *cache, tree node) +{ + /* Restrict this to flag_checking only because in general violating it is + harmless plus we never know what happens on all targets/frontend/flag(!) + combinations. */ + if (!flag_checking) + return; + + bool found = false; + if (cache->node_map) + gcc_assert (streamer_tree_cache_lookup (cache, node, NULL)); + else + { + gcc_assert (cache->nodes.exists ()); + /* Linear search... */ + for (unsigned i = 0; !found && i < cache->nodes.length (); ++i) + if (cache->nodes[i] == node) + found = true; + gcc_assert (found); + } +} + + /* Record NODE in CACHE. */ static void @@ -293,11 +319,15 @@ record_common_node (struct streamer_tree_cache_d *cache, tree node) /* No recursive trees. */ break; case ARRAY_TYPE: - case COMPLEX_TYPE: case POINTER_TYPE: case REFERENCE_TYPE: record_common_node (cache, TREE_TYPE (node)); break; + case COMPLEX_TYPE: + /* Verify that a complex type's component type (node_type) has been + handled already (and we thus don't need to recurse here). */ + verify_common_node_recorded (cache, TREE_TYPE (node)); + break; case RECORD_TYPE: /* The FIELD_DECLs of structures should be shared, so that every COMPONENT_REF uses the same tree node when referencing a field. Grüße Thomas