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| author | Rafael Avila de Espindola <espindola@google.com> | 2008-05-22 15:49:30 +0000 |
|---|---|---|
| committer | Rafael Espindola <espindola@gcc.gnu.org> | 2008-05-22 15:49:30 +0000 |
| commit | 4799e6aa58eab27112b27c9ca328f57430f8d1ab (patch) | |
| tree | 5481a3a93e2e3f1ac5cb585fcb5c216c897259fb | |
| parent | 5bf6d4abbb211815ea9389ed6c70d4e90530f8a3 (diff) | |
| download | gcc-4799e6aa58eab27112b27c9ca328f57430f8d1ab.zip gcc-4799e6aa58eab27112b27c9ca328f57430f8d1ab.tar.gz gcc-4799e6aa58eab27112b27c9ca328f57430f8d1ab.tar.bz2 | |
see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx sharing.
* see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
sharing.
* gcc.c-torture/compile/20080522-1.c: New testcase.
From-SVN: r135770
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/see.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/20080522-1.c | 20 |
4 files changed, 30 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 50754f7..8e6029b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2008-05-22 Rafael Espindola <espindola@google.com> + + * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx + sharing. + 2008-05-22 H.J. Lu <hongjiu.lu@intel.com> * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument. @@ -1686,7 +1686,7 @@ see_pre_insert_extensions (struct see_pre_extension_expr **index_map) edge eg = INDEX_EDGE (edge_list, e); start_sequence (); - emit_insn (PATTERN (expr->se_insn)); + emit_insn (copy_insn (PATTERN (expr->se_insn))); se_insn = get_insns (); end_sequence (); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index e954cd5..2c62a49 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2008-05-22 Rafael Espindola <espindola@google.com> + + * gcc.c-torture/compile/20080522-1.c: New testcase. + 2008-05-22 Richard Guenther <rguenther@suse.de> * gcc.c-torture/execute/20080522-1.c: New testcase. diff --git a/gcc/testsuite/gcc.c-torture/compile/20080522-1.c b/gcc/testsuite/gcc.c-torture/compile/20080522-1.c new file mode 100644 index 0000000..e259843 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20080522-1.c @@ -0,0 +1,20 @@ +/* { dg-do compile } +/* { dg-options "-O2 -fsee" } */ + +int f(const char* ptr, int bar) { + return (((const char *)0 - ptr ) & (bar - 1)) == 0; +} + + +int g(const char* ptr, const char *test, int N, int bar) { + if (N == 0) { + } + else if (N > 0) { + int count = 0; + while ( count < N) { + if (!f(ptr, bar)) + count++; + } + } + return f(test, bar) ; +} |