From 6c84e1541c85835c6ab4b9ee8fb5c0573ddaac00 Mon Sep 17 00:00:00 2001 From: Richard Kenner Date: Wed, 4 Nov 1992 07:23:39 -0500 Subject: [PATCH] (optimize_reg_copy_1): If P is a CALL_INSN, count it as being crossed by SRC since SRC used to die there. From-SVN: r2689 --- gcc/local-alloc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c index 830f89f..471bd04 100644 --- a/gcc/local-alloc.c +++ b/gcc/local-alloc.c @@ -697,6 +697,12 @@ optimize_reg_copy_1 (insn, dest, src) int n_calls = 0; int d_n_calls = 0; + /* If P is a CALL_INSN, SRC crosses one more call, since it + used to die there. */ + + if (GET_CODE (p) == CALL_INSN) + n_calls++; + /* We can do the optimization. Scan forward from INSN again, replacing regs as we go. Set FAILED if a replacement can't be done. In that case, we can't move the death note for SRC. -- 2.7.4