diff options
| author | espindola <espindola@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-05-22 15:49:30 +0000 |
|---|---|---|
| committer | espindola <espindola@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-05-22 15:49:30 +0000 |
| commit | 66b0f9ffac16d1882bf1992330ae10f8392533e5 (patch) | |
| tree | 5481a3a93e2e3f1ac5cb585fcb5c216c897259fb | |
| parent | 0c5a645a123d71cd8663d90042a44257c9237b3c (diff) | |
| download | ppe42-gcc-66b0f9ffac16d1882bf1992330ae10f8392533e5.tar.gz ppe42-gcc-66b0f9ffac16d1882bf1992330ae10f8392533e5.zip | |
* see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
sharing.
* gcc.c-torture/compile/20080522-1.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@135770 138bc75d-0d04-0410-961f-82ee72b054a4
| -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 50754f75dbe..8e6029bf1a9 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. diff --git a/gcc/see.c b/gcc/see.c index 6e5260b995a..96d7ff5aa4b 100644 --- a/gcc/see.c +++ b/gcc/see.c @@ -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 e954cd5fa59..2c62a499ce7 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 00000000000..e2598439b79 --- /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) ; +} |
