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riscv-gcc-1
Commit 0c847d7d by Richard Kenner
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(check_dbra_loop): Fix error in previous change. 

From-SVN: r6316
parent 9e69be8c
Showing with 3 additions and 1 deletions
gcc/loop.c
...@@ -5731,7 +5731,9 @@ check_dbra_loop (loop_end, insn_count, loop_start) ...@@ -5731,7 +5731,9 @@ check_dbra_loop (loop_end, insn_count, loop_start)
case, the insn should have been moved out of the loop. */ case, the insn should have been moved out of the loop. */
if (num_mem_sets == 1) if (num_mem_sets == 1)
reversible_mem_store = ! invariant_p (XEXP (loop_store_mems[0], 0)); reversible_mem_store
= (! unknown_address_altered
&& ! invariant_p (XEXP (loop_store_mems[0], 0)));
/* This code only acts for innermost loops. Also it simplifies /* This code only acts for innermost loops. Also it simplifies
the memory address check by only reversing loops with the memory address check by only reversing loops with
......
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