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| author | Jakub Jelinek <jakub@redhat.com> | 2012-10-24 11:13:09 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2012-10-24 11:13:09 +0200 |
| commit | bca3cc973b4ec85437b147a8586755f30e1f8366 (patch) | |
| tree | 53c53bb47a681d284ef94aace31097589baaa6a4 /gcc | |
| parent | 848be0946c097a25e63acea3e16eee11fc41e6c9 (diff) | |
| download | gcc-bca3cc973b4ec85437b147a8586755f30e1f8366.zip gcc-bca3cc973b4ec85437b147a8586755f30e1f8366.tar.gz gcc-bca3cc973b4ec85437b147a8586755f30e1f8366.tar.bz2 | |
re PR rtl-optimization/55010 (Internal consistency failure : invalid rtl sharing found in the insn)
PR rtl-optimization/55010
* cse.c (fold_rtx) <RTX_COMPARE>: Call copy_rtx on folded_arg{0,1}
before passing it to simplify_relational_operation.
* gcc.dg/pr55010.c: New test.
From-SVN: r192760
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cse.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr55010.c | 13 |
4 files changed, 24 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e8be541..2ce2c3e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2012-10-24 Jakub Jelinek <jakub@redhat.com> + PR rtl-optimization/55010 + * cse.c (fold_rtx) <RTX_COMPARE>: Call copy_rtx on folded_arg{0,1} + before passing it to simplify_relational_operation. + PR debug/54828 * gimple.h (is_gimple_sizepos): New inline function. * gimplify.c (gimplify_one_sizepos): Use it. Remove useless @@ -3461,9 +3461,10 @@ fold_rtx (rtx x, rtx insn) } { - rtx op0 = const_arg0 ? const_arg0 : folded_arg0; - rtx op1 = const_arg1 ? const_arg1 : folded_arg1; - new_rtx = simplify_relational_operation (code, mode, mode_arg0, op0, op1); + rtx op0 = const_arg0 ? const_arg0 : copy_rtx (folded_arg0); + rtx op1 = const_arg1 ? const_arg1 : copy_rtx (folded_arg1); + new_rtx = simplify_relational_operation (code, mode, mode_arg0, + op0, op1); } break; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 0648f1e..8027bf4 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2012-10-24 Jakub Jelinek <jakub@redhat.com> + PR rtl-optimization/55010 + * gcc.dg/pr55010.c: New test. + PR debug/54828 * g++.dg/debug/pr54828.C: New test. diff --git a/gcc/testsuite/gcc.dg/pr55010.c b/gcc/testsuite/gcc.dg/pr55010.c new file mode 100644 index 0000000..a3dc41d --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr55010.c @@ -0,0 +1,13 @@ +/* PR rtl-optimization/55010 */ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ +/* { dg-additional-options "-march=i686" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ + +long long int a; +unsigned long long int b; + +void +foo (void) +{ + a = (a < 0) / ((a -= b) ? b >= ((b = a) || 0) : 0); +} |