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Diffstat (limited to 'gcc/loop-iv.c')
| -rw-r--r-- | gcc/loop-iv.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/loop-iv.c b/gcc/loop-iv.c index fb0ec4525cc..21005d3ff51 100644 --- a/gcc/loop-iv.c +++ b/gcc/loop-iv.c @@ -1811,6 +1811,8 @@ simplify_using_initial_values (struct loop *loop, enum rtx_code op, rtx *expr) FREE_REG_SET (altered); return; } + if (for_each_rtx (expr, altered_reg_used, altered)) + return; } if (!single_pred_p (e->src) |