local-alloc.c (block_alloc): Stop looping over the input operands once we find an...

	* local-alloc.c (block_alloc): Stop looping over the input
	operands once we find an input/output register pair which can
	be combined into a single qty.

From-SVN: r8990

diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c
index fc5cdb4bdb417ffd446d42da351fac35ec012a91..e62a5a61953b13c11ff1d1302e8700a8a50a63ce 100644 (file)
--- a/gcc/local-alloc.c
+++ b/gcc/local-alloc.c
@@ -1294,6 +1294,8 @@ block_alloc (b)
                        win = combine_regs (r1, r0, may_save_copy,
                                            insn_number, insn, 0);
                    }
+                 if (win)
+                   break;
                }
            }