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| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/loop.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2ea55b8..f6c768a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): Don't do biv->giv conversion on constants. + Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com) * reload.c (push_reload): Do not call remove_address_replacements @@ -4193,6 +4193,8 @@ strength_reduce (scan_start, end, loop_top, insn_count, || ! next->always_executed || next->maybe_multiple || ! CONSTANT_P (next->add_val) + || v->mult_val != const1_rtx + || next->mult_val != const1_rtx || ! (biv_dead_after_loop || no_jumps_between_p (v->insn, next->insn))) { |