diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cse.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4af2b9288dc..e7a93937b1c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-11-27 J"orn Rennecke <joern.rennecke@superh.com> + + * cse.c (cse_set_around_loop): When changing a constant load + to a register -register copy, add a REG_EQUAL note. + 2003-11-27 Randolph Chung <tausq@debian.org> John David Anglin <dave.anglin@nrc-cnrc.gc.ca> diff --git a/gcc/cse.c b/gcc/cse.c index 7612a5a7ed5..faaf187b32c 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -6676,6 +6676,10 @@ cse_set_around_loop (rtx x, rtx insn, rtx loop_start) } else { + if (CONSTANT_P (SET_SRC (set)) + && ! find_reg_equal_equiv_note (insn)) + set_unique_reg_note (insn, REG_EQUAL, + SET_SRC (set)); if (control_flow_insn_p (p)) /* p can cause a control flow transfer so it is the last insn of a basic block. We can't |