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| author | Jakub Jelinek <jakub@redhat.com> | 2016-10-29 17:55:50 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-10-29 17:55:50 +0200 |
| commit | a654d5d013b0d35baa09e1c9344847b864a94cfe (patch) | |
| tree | 6088b9177e233528e241aa4261e11c5f0d384c84 | |
| parent | 2bc99a1a94d85532caa3c20bbb58cea6df2ebd6c (diff) | |
| download | gcc-a654d5d013b0d35baa09e1c9344847b864a94cfe.zip gcc-a654d5d013b0d35baa09e1c9344847b864a94cfe.tar.gz gcc-a654d5d013b0d35baa09e1c9344847b864a94cfe.tar.bz2 | |
re PR tree-optimization/78148 (r241649 causes -fcompare-debug failure on ppc64le)
PR target/78148
* gimple-ssa-store-merging.c
(imm_store_chain_info::output_merged_store): Use build_aligned_type
instead of SET_TYPE_ALIGN on shared integral type.
* gcc.dg/pr78148.c: New test.
From-SVN: r241679
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/gimple-ssa-store-merging.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr78148.c | 31 |
4 files changed, 44 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2a74c71..852426a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2016-10-29 Jakub Jelinek <jakub@redhat.com> + + PR target/78148 + * gimple-ssa-store-merging.c + (imm_store_chain_info::output_merged_store): Use build_aligned_type + instead of SET_TYPE_ALIGN on shared integral type. + 2016-10-29 John David Anglin <danglin@gcc.gnu.org> * config/pa/pa.h (BIGGEST_ALIGNMENT): Adjust comment. diff --git a/gcc/gimple-ssa-store-merging.c b/gcc/gimple-ssa-store-merging.c index 5a293d7..97af141 100644 --- a/gcc/gimple-ssa-store-merging.c +++ b/gcc/gimple-ssa-store-merging.c @@ -1130,7 +1130,7 @@ imm_store_chain_info::output_merged_store (tree base, merged_store_group *group) location_t loc = get_location_for_stmts (split_store->orig_stmts); tree int_type = build_nonstandard_integer_type (try_size, UNSIGNED); - SET_TYPE_ALIGN (int_type, align); + int_type = build_aligned_type (int_type, align); tree addr = build_fold_addr_expr (base); tree dest = fold_build2 (MEM_REF, int_type, addr, build_int_cst (offset_type, try_pos)); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 087d4f3..d23181c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-10-29 Jakub Jelinek <jakub@redhat.com> + + PR target/78148 + * gcc.dg/pr78148.c: New test. + 2016-10-28 Eric Botcazou <ebotcazou@adacore.com> * gcc.target/sparc/overflow-3.c: Replace and move old one to... diff --git a/gcc/testsuite/gcc.dg/pr78148.c b/gcc/testsuite/gcc.dg/pr78148.c new file mode 100644 index 0000000..c3c9b2e --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr78148.c @@ -0,0 +1,31 @@ +/* PR target/78148 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fcompare-debug" } */ + +struct A { int a, b; }; +struct B { char c, d; }; +extern void bar (struct A, struct B); +struct C { char e, f; } a; +struct D +{ + int g; + struct C h[4]; +}; +struct D *e; + +struct D +foo (void) +{ + int b; + struct B c; + struct A d; + d.b = c.c = c.d = 0; + bar (d, c); +} + +void +baz () +{ + e->h[0].e = e->h[0].f = 0; + foo (); +} |