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| author | Philip Blundell <philb@gnu.org> | 2004-06-25 21:48:38 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 2004-06-25 21:48:38 +0000 |
| commit | 6ef30017a0e7c6855a1e679f6934f65260845b5d (patch) | |
| tree | 58d45b1a53870f82e8a9f57dacd15ac0107c1b27 | |
| parent | 7619c085c5a7c57e5ce7da32a290bfed82d006b2 (diff) | |
| download | gcc-6ef30017a0e7c6855a1e679f6934f65260845b5d.zip gcc-6ef30017a0e7c6855a1e679f6934f65260845b5d.tar.gz gcc-6ef30017a0e7c6855a1e679f6934f65260845b5d.tar.bz2 | |
re PR tree-optimization/15089 (local register variable with a specified register is bad)
PR wrong-code/15089
* loop.c (scan_loop): Do not move user-specified register
assignments.
From-SVN: r83684
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/loop.c | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f015ca4..8886dc5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-06-25 Philip Blundell <philb@gnu.org> + + PR wrong-code/15089 + * loop.c (scan_loop): Do not move user-specified register + assignments. + 2004-06-25 DJ Delorie <dj@redhat.com> * c-common.h (warn_cast_qual, warn_missing_format_attribute, @@ -931,6 +931,7 @@ scan_loop (struct loop *loop, int flags) || (! (REG_P (SET_SRC (set)) && (REGNO (SET_SRC (set)) < FIRST_PSEUDO_REGISTER)))) + && regno >= FIRST_PSEUDO_REGISTER /* This test is not redundant; SET_SRC (set) might be a call-clobbered register and the life of REGNO might span a call. */ |