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| author | David Edelsohn <edelsohn@gnu.org> | 2007-12-12 17:49:29 +0000 |
|---|---|---|
| committer | David Edelsohn <dje@gcc.gnu.org> | 2007-12-12 12:49:29 -0500 |
| commit | 1de59bbd61ac3dc50ec2e2a8eaef7e780ff922a7 (patch) | |
| tree | 2293b5d0f877d3d28c52d0251f535d91fc0f0bec /gcc | |
| parent | 4caa08daa39346095599fee9b4608381128fb48f (diff) | |
| download | gcc-1de59bbd61ac3dc50ec2e2a8eaef7e780ff922a7.zip gcc-1de59bbd61ac3dc50ec2e2a8eaef7e780ff922a7.tar.gz gcc-1de59bbd61ac3dc50ec2e2a8eaef7e780ff922a7.tar.bz2 | |
* config/rs6000/rs6000.c (is_mem_ref): Ignore STACK_TIE.
From-SVN: r130791
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index aa00c5d..c4ea18d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2007-12-12 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (is_mem_ref): Ignore STACK_TIE. + 2007-12-12 Aldy Hernandez <aldyh@redhat.com> PR tree-optimization/32901 diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 5d6f985..c730a65 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -18383,6 +18383,11 @@ is_mem_ref (rtx pat) int i, j; bool ret = false; + /* stack_tie does not produce any real memory traffic. */ + if (GET_CODE (pat) == UNSPEC + && XINT (pat, 1) == UNSPEC_TIE) + return false; + if (GET_CODE (pat) == MEM) return true; |