[Bug tree-optimization/106246] [13 Regression] powerpc-darwin9 bootstrap fails after r13-1575-gcf3a120084e946 ICE vect_transform_loops, at tree-vectorizer.cc:1032
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106246 Iain Sandoe changed: What|Removed |Added Resolution|--- |FIXED Status|NEW |RESOLVED --- Comment #8 from Iain Sandoe --- indeed, fixed by r13-1603-g415d2c38edad thanks.
[Bug tree-optimization/106246] [13 Regression] powerpc-darwin9 bootstrap fails after r13-1575-gcf3a120084e946 ICE vect_transform_loops, at tree-vectorizer.cc:1032
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106246
--- Comment #7 from Richard Biener ---
OK, indeed this is caused by my most recent change. The following should fix
this, I'm going to test this on x86_64-linux (no convenient ppc testing machine
available for me right now)
diff --git a/gcc/tree-vect-data-refs.cc b/gcc/tree-vect-data-refs.cc
index 53e52cb58cb..609cacc4971 100644
--- a/gcc/tree-vect-data-refs.cc
+++ b/gcc/tree-vect-data-refs.cc
@@ -5777,14 +5777,14 @@ vect_setup_realignment (vec_info *vinfo, stmt_vec_info
stmt_info,
if (at_loop)
*at_loop = loop_for_initial_load;
+ tree vuse = NULL_TREE;
if (loop_for_initial_load)
-pe = loop_preheader_edge (loop_for_initial_load);
-
- tree vuse;
- gphi *vphi = get_virtual_phi (loop_for_initial_load->header);
- if (vphi)
-vuse = PHI_ARG_DEF_FROM_EDGE (vphi, pe);
- else
+{
+ pe = loop_preheader_edge (loop_for_initial_load);
+ if (gphi *vphi = get_virtual_phi (loop_for_initial_load->header))
+ vuse = PHI_ARG_DEF_FROM_EDGE (vphi, pe);
+}
+ if (!vuse)
vuse = gimple_vuse (gsi_stmt (*gsi));
/* 3. For the case of the optimized realignment, create the first vector
[Bug tree-optimization/106246] [13 Regression] powerpc-darwin9 bootstrap fails after r13-1575-gcf3a120084e946 ICE vect_transform_loops, at tree-vectorizer.cc:1032
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106246 --- Comment #6 from Iain Sandoe --- as noted on IRC, of course this could be unrelated, since other changes have been committed in the meantime.
[Bug tree-optimization/106246] [13 Regression] powerpc-darwin9 bootstrap fails after r13-1575-gcf3a120084e946 ICE vect_transform_loops, at tree-vectorizer.cc:1032
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106246 Iain Sandoe changed: What|Removed |Added Status|WAITING |NEW --- Comment #5 from Iain Sandoe --- actually fails sooner - Ada and libstdc++ stage1 fail to build (constraint/bus errors). this is from a cross (which I realise you will not be able to replicate, without the sysroot etc.) If the reason is non-obvious, I'll try a reduction later.. /scratch/10-15-cat/gcc-master-x-powerpc/./gcc/cc1plus -fpreprocessed cxx11-locale-inst.ii -feliminate-unused-debug-symbols -fPIC -quiet -dumpbase cxx11-locale-inst.cc -dumpbase-ext .cc -mmacosx-version-min=10.5 -g -O2 -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi=2 -std=gnu++11 -version -fno-implicit-templates -fdiagnostics-show-location=once -ffunction-sections -fdata-sections -frandom-seed=cxx11-locale-inst.lo -fno-common -o cxx11-locale-inst.s * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x8) frame #0: 0x000101ca6d94 cc1plus`vect_setup_realignment(vinfo=0x000106fb50e0, stmt_info=0x000106fb3aa0, gsi=0x7ffeefbfe720, realignment_token=0x7ffeefbfdc70, alignment_support_scheme=dr_explicit_realign, init_addr=0x00010aa73e58, at_loop=0x7ffeefbfdc60) at tree-vect-data-refs.cc:5784:32 5781 pe = loop_preheader_edge (loop_for_initial_load); 5782 5783 tree vuse; -> 5784 gphi *vphi = get_virtual_phi (loop_for_initial_load->header); 5785 if (vphi) 5786 vuse = PHI_ARG_DEF_FROM_EDGE (vphi, pe); 5787 else * frame #0: 0x000101ca6d94 cc1plus`vect_setup_realignment(vinfo=0x000106fb50e0, stmt_info=0x000106fb3aa0, gsi=0x7ffeefbfe720, realignment_token=0x7ffeefbfdc70, alignment_support_scheme=dr_explicit_realign, init_addr=0x00010aa73e58, at_loop=0x7ffeefbfdc60) at tree-vect-data-refs.cc:5784:32 frame #1: 0x000101cd5882 cc1plus`::vectorizable_load(vinfo=0x000106fb50e0, stmt_info=0x000106fb3aa0, gsi=0x7ffeefbfe720, vec_stmt=0x7ffeefbfe648, slp_node=0x000109488098, cost_vec=0x) at tree-vect-stmts.cc:9608:34 frame #2: 0x000101cdbe66 cc1plus`vect_transform_stmt(vinfo=0x000106fb50e0, stmt_info=0x000106fb3aa0, gsi=0x7ffeefbfe720, slp_node=0x000109488098, slp_node_instance=0x000106830140) at tree-vect-stmts.cc:11332:32 frame #3: 0x000101d40be4 cc1plus`::vect_schedule_slp_node(vinfo=0x000106fb50e0, node=0x000109488098, instance=0x000106830140) at tree-vect-slp.cc:7438:25 frame #4: 0x000101d41725 cc1plus`::vect_schedule_scc(vinfo=0x000106fb50e0, node=0x000109488098, instance=0x000106830140, scc_info=0x7ffeefbfea40, maxdfs=0x7ffeefbfea3c, stack=0x7ffeefbfea28) at tree-vect-slp.cc:7633:30 frame #5: 0x000101d415e3 cc1plus`::vect_schedule_scc(vinfo=0x000106fb50e0, node=0x000109488010, instance=0x000106830140, scc_info=0x7ffeefbfea40, maxdfs=0x7ffeefbfea3c, stack=0x7ffeefbfea28) at tree-vect-slp.cc:7614:22 frame #6: 0x000101d41e03 cc1plus`vect_schedule_slp(vinfo=0x000106fb50e0, slp_instances=0x000106830170) at tree-vect-slp.cc:7750:20 frame #7: 0x000101d3b97c cc1plus`::vect_slp_region(bbs=vec @ 0x7ffeefbfebe8, datarefs=vec @ 0x7ffeefbfebe0, dataref_groups=0x7ffeefbff050, n_stmts=98, orig_loop=0x) at tree-vect-slp.cc:6056:26 frame #8: 0x000101d3c26a cc1plus`::vect_slp_bbs(bbs=0x7ffeefbff0d8, orig_loop=0x) at tree-vect-slp.cc:6168:26 frame #9: 0x000101d3c752 cc1plus`vect_slp_function(fun=0x00010aa8a678) at tree-vect-slp.cc:6256:23 frame #10: 0x000101d5c847 cc1plus`pass_slp_vectorize::execute(this=0x000106b113e0, fun=0x00010aa8a678) const at tree-vectorizer.cc:1532:21 frame #11: 0x0001016e3116 cc1plus`execute_one_pass(pass=0x000106b113e0) at passes.cc:2644:30 frame #12: 0x0001016e34fd cc1plus`::execute_pass_list_1(pass=0x000106b113e0) at passes.cc:2744:28 frame #13: 0x0001016e352e cc1plus`::execute_pass_list_1(pass=0x000106b11380) at passes.cc:2745:22 frame #14: 0x0001016e352e cc1plus`::execute_pass_list_1(pass=0x000106b0f250) at passes.cc:2745:22 frame #15: 0x0001016e3594 cc1plus`execute_pass_list(fn=0x00010aa8a678, pass=0x000106b0ef50) at passes.cc:2755:23 frame #16: 0x000100efdf96 cc1plus`cgraph_node::expand(this=0x00010a752110) at cgraphunit.cc:1834:21 frame #17: 0x000100efe76f cc1plus`::expand_all_functions() at cgraphunit.cc:1998:17 frame #18: 0x000100eff4b4 cc1plus`symbol_table::compile(this=0x000106c06000) at cgraphunit.cc:2348:24 frame #19: 0x000100eff921 cc1plus`symbol_table::finalize_compilation_unit(this=0x000106c06000) at cgraphunit.cc:2529:11 frame #20: 0x0001018af3ef
[Bug tree-optimization/106246] [13 Regression] powerpc-darwin9 bootstrap fails after r13-1575-gcf3a120084e946 ICE vect_transform_loops, at tree-vectorizer.cc:1032
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106246 --- Comment #4 from Richard Biener --- I've now pushed the fix for PR106228, so maybe you can re-try.
[Bug tree-optimization/106246] [13 Regression] powerpc-darwin9 bootstrap fails after r13-1575-gcf3a120084e946 ICE vect_transform_loops, at tree-vectorizer.cc:1032
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106246 --- Comment #3 from Iain Sandoe --- (In reply to Richard Biener from comment #2) > Maybe a duplicate of PR106228. I can't reproduce with the fix for that in > the tree. Is there anything besides --target=powerpc-darwin9 to use? Any > -mcpu=? there's a build (with debug) on gcc186 (/home/iains/gcc-master/bld-x-ppc-darwin9) if that's any use. I bootstrapped master and then : $ ./gcc/xgcc -v Using built-in specs. COLLECT_GCC=./gcc/xgcc Target: powerpc-apple-darwin9 Configured with: ../src/configure --prefix=/home/iains/gcc-master/gcc-13-0-0 --target=powerpc-apple-darwin9 --build=x86_64-pc-linux-gnu --enable-languages=c,c++ it could be a dup, indeed (I also see the libgfortran fails on the previous rev, and the new vector test case fails).
[Bug tree-optimization/106246] [13 Regression] powerpc-darwin9 bootstrap fails after r13-1575-gcf3a120084e946 ICE vect_transform_loops, at tree-vectorizer.cc:1032
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106246 Richard Biener changed: What|Removed |Added Status|NEW |WAITING CC||rguenth at gcc dot gnu.org --- Comment #2 from Richard Biener --- Maybe a duplicate of PR106228. I can't reproduce with the fix for that in the tree. Is there anything besides --target=powerpc-darwin9 to use? Any -mcpu=?
[Bug tree-optimization/106246] [13 Regression] powerpc-darwin9 bootstrap fails after r13-1575-gcf3a120084e946 ICE vect_transform_loops, at tree-vectorizer.cc:1032
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106246 Iain Sandoe changed: What|Removed |Added Keywords||build, ice-on-valid-code Last reconfirmed||2022-07-10 Target||powerpc-darwin9 Target Milestone|--- |13.0 Status|UNCONFIRMED |NEW Ever confirmed|0 |1 Known to fail||13.0 --- Comment #1 from Iain Sandoe --- note, that powerpc64-linux-gnu (BE power7) seems to be OK (although that's still a 64b host) (confirmed with a native build and crosses on x86-64 darwin and linux).
