diff options
| author | Richard Guenther <rguenther@suse.de> | 2008-07-07 15:11:29 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-07-07 15:11:29 +0000 |
| commit | 115340c79fdd40c3b8c809ef81a1deebec0a2500 (patch) | |
| tree | afd0ad862ac893fe8d11c0aaafd31d7e4f0e6d42 /gcc/tree-outof-ssa.c | |
| parent | 511e41e54d2f5bd036740518781e126ecccbad49 (diff) | |
| download | gcc-115340c79fdd40c3b8c809ef81a1deebec0a2500.tar.gz | |
re PR target/36713 (r137252 breaks -O2 optimization on x86_64-unknown-linux-gnu)
2008-07-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36713
* tree-flow-inline.h (is_call_used): New function.
* tree-nrv.c (dest_safe_for_nrv_p): Use it.
* tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
* tree-outof-ssa.c (create_temp): Set call-used flag if required.
From-SVN: r137571
Diffstat (limited to 'gcc/tree-outof-ssa.c')
| -rw-r--r-- | gcc/tree-outof-ssa.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-outof-ssa.c b/gcc/tree-outof-ssa.c index 40c1d3f9c3b..21f362b9059 100644 --- a/gcc/tree-outof-ssa.c +++ b/gcc/tree-outof-ssa.c @@ -128,6 +128,8 @@ create_temp (tree t) set_symbol_mem_tag (tmp, symbol_mem_tag (t)); if (is_call_clobbered (t)) mark_call_clobbered (tmp, var_ann (t)->escape_mask); + if (bitmap_bit_p (gimple_call_used_vars (cfun), DECL_UID (t))) + bitmap_set_bit (gimple_call_used_vars (cfun), DECL_UID (tmp)); return tmp; } |