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| author | Jakub Jelinek <jakub@redhat.com> | 2016-10-28 10:11:57 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-10-28 10:11:57 +0200 |
| commit | c19066a7694429e1d322295800e79dbbdf1c8320 (patch) | |
| tree | 3e06ded62d22bf97b2e562e19f2c28c0942e365a /gcc | |
| parent | 0d9e143c62c7a68474a39de40e5d6104074eee96 (diff) | |
| download | gcc-c19066a7694429e1d322295800e79dbbdf1c8320.zip gcc-c19066a7694429e1d322295800e79dbbdf1c8320.tar.gz gcc-c19066a7694429e1d322295800e79dbbdf1c8320.tar.bz2 | |
re PR rtl-optimization/77919 (ICE converting DC to V2DF mode)
PR rtl-optimization/77919
* expr.c (expand_expr_real_1) <normal_inner_ref>: Force CONCAT into
MEM if mode1 is not a complex mode.
* g++.dg/torture/pr77919.C: New test.
From-SVN: r241642
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/expr.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/torture/pr77919.C | 11 |
4 files changed, 20 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 88805bd..95da0d1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2016-10-28 Jakub Jelinek <jakub@redhat.com> + PR rtl-optimization/77919 + * expr.c (expand_expr_real_1) <normal_inner_ref>: Force CONCAT into + MEM if mode1 is not a complex mode. + PR rtl-optimization/78132 * ree.c (combine_reaching_defs): Give up if copy_needed and !HARD_REGNO_MODE_OK (REGNO (src_reg), dst_mode). @@ -10421,7 +10421,8 @@ expand_expr_real_1 (tree exp, rtx target, machine_mode tmode, if (GET_CODE (op0) == CONCAT && !must_force_mem) { if (bitpos == 0 - && bitsize == GET_MODE_BITSIZE (GET_MODE (op0))) + && bitsize == GET_MODE_BITSIZE (GET_MODE (op0)) + && COMPLEX_MODE_P (mode1)) { if (reversep) op0 = flip_storage_order (GET_MODE (op0), op0); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 08cc8bd..f13b2bd 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2016-10-28 Jakub Jelinek <jakub@redhat.com> + PR rtl-optimization/77919 + * g++.dg/torture/pr77919.C: New test. + PR rtl-optimization/78132 * gcc.target/i386/pr78132.c: New test. diff --git a/gcc/testsuite/g++.dg/torture/pr77919.C b/gcc/testsuite/g++.dg/torture/pr77919.C new file mode 100644 index 0000000..cab6e90 --- /dev/null +++ b/gcc/testsuite/g++.dg/torture/pr77919.C @@ -0,0 +1,11 @@ +// PR rtl-optimization/77919 +// { dg-do compile } +// { dg-additional-options "-Wno-psabi" } + +struct A { A (double) {} _Complex double i; }; +typedef int __attribute__ ((vector_size (16))) B; +typedef struct { B b; } C; +struct D { D (const B &x) : b (x) {} B b; }; +static inline B foo (const double *x) { C *a; a = (C *) x; return a->b; } +static inline D baz (const A &x) { return foo ((double *) &x); } +D b = baz (0); |