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| author | H.J. Lu <hongjiu.lu@intel.com> | 2011-06-14 16:31:57 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2011-06-14 09:31:57 -0700 |
| commit | fa4657624c6609bbfffb4ec5fb1e19e44691c864 (patch) | |
| tree | 84db851d1d9699a10ee7a3b9f5df564beb59ed58 /gcc | |
| parent | 652de9ffb6a941775908325ad1a057f34fbcfbd5 (diff) | |
| download | gcc-fa4657624c6609bbfffb4ec5fb1e19e44691c864.zip gcc-fa4657624c6609bbfffb4ec5fb1e19e44691c864.tar.gz gcc-fa4657624c6609bbfffb4ec5fb1e19e44691c864.tar.bz2 | |
Properly expand strlen to Pmode.
2011-06-14 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/47364
* builtins.c (expand_builtin_strlen): Expand strlen to Pmode
and properly handle result not in Pmode.
From-SVN: r175034
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/builtins.c | 11 |
2 files changed, 15 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 651f380..56e88cf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-06-14 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/47364 + * builtins.c (expand_builtin_strlen): Expand strlen to Pmode + and properly handle result not in Pmode. + 2011-06-14 Robert Millan <rmh@gnu.org> * config/i386/kfreebsd-gnu.h: Resync with `config/i386/linux.h'. diff --git a/gcc/builtins.c b/gcc/builtins.c index 7b24a0c..cf975e5 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 (); |