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| author | John Carr <jfc@mit.edu> | 1998-04-25 16:09:24 +0000 |
|---|---|---|
| committer | John Carr <jfc@gcc.gnu.org> | 1998-04-25 16:09:24 +0000 |
| commit | de12be17436e7a02a24b9e99da71fb6bfa9a8075 (patch) | |
| tree | d658c3788fb182034177eeb4f3e6c84128bbcd2d /gcc/loop.c | |
| parent | fb2c5c00b8f4917f22e3d1ccd3575a2d12aa9360 (diff) | |
| download | gcc-de12be17436e7a02a24b9e99da71fb6bfa9a8075.zip gcc-de12be17436e7a02a24b9e99da71fb6bfa9a8075.tar.gz gcc-de12be17436e7a02a24b9e99da71fb6bfa9a8075.tar.bz2 | |
alias.c (alias_invariant): New variable.
* alias.c (alias_invariant): New variable.
(record_base_value): New argument INVARIANT.
(memrefs_conflict_p): If a register has an entry in the alias_invariant
array, try substituting that value for the register.
* rtl.h: Declare record_base_value.
* loop.c, unroll.c: Update callers of record_base_value.
* alias.c (find_base_value, find_base_term): SIGN_EXTEND and
ZERO_EXTEND do not affect base values.
From-SVN: r19408
Diffstat (limited to 'gcc/loop.c')
| -rw-r--r-- | gcc/loop.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -5986,7 +5986,7 @@ emit_iv_add_mult (b, m, a, reg, insert_before) emit_insn_before (seq, insert_before); - record_base_value (REGNO (reg), b); + record_base_value (REGNO (reg), b, 0); } /* Test whether A * B can be computed without |