From 499eee580f22ff52f748bf03e215361cdc712e23 Mon Sep 17 00:00:00 2001 From: hjl Date: Tue, 14 Jun 2011 16:31:57 +0000 Subject: Properly expand strlen to Pmode. 2011-06-14 H.J. Lu PR middle-end/47364 * builtins.c (expand_builtin_strlen): Expand strlen to Pmode and properly handle result not in Pmode. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@175034 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/builtins.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'gcc/builtins.c') diff --git a/gcc/builtins.c b/gcc/builtins.c index 7b24a0ce703..cf975e578a7 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -2939,9 +2939,16 @@ expand_builtin_strlen (tree exp, rtx target, /* Now that we are assured of success, expand the source. */ start_sequence (); - pat = expand_expr (src, src_reg, ptr_mode, EXPAND_NORMAL); + pat = expand_expr (src, src_reg, Pmode, EXPAND_NORMAL); if (pat != src_reg) - emit_move_insn (src_reg, pat); + { +#ifdef POINTERS_EXTEND_UNSIGNED + if (GET_MODE (pat) != Pmode) + pat = convert_to_mode (Pmode, pat, + POINTERS_EXTEND_UNSIGNED); +#endif + emit_move_insn (src_reg, pat); + } pat = get_insns (); end_sequence (); -- cgit v1.2.1