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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-02-10 16:22:29 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-02-10 16:22:29 +0000 |
| commit | e15deb4b329bf724d50139ade9b5a0e9b152b130 (patch) | |
| tree | eb1fb857e229b58695341024ec649f95610b921f /gcc/gimplify.c | |
| parent | a9c1f295d9e02e5d7ccb174df7223b9deeefbb99 (diff) | |
| download | gcc-e15deb4b329bf724d50139ade9b5a0e9b152b130.tar.gz | |
PR target/39139
* function.h (struct function): Add has_local_explicit_reg_vars
bit.
* gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
VAR_DECLs were seen.
* tree-ssa-live.c (remove_unused_locals): Recompute
cfun->has_local_explicit_reg_vars.
* tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
copies or clearings if cfun->has_local_explicit_reg_vars.
* gcc.target/i386/pr39139.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@144065 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index 6f88ec547d7..4af50291040 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -1,6 +1,6 @@ /* Tree lowering pass. This pass converts the GENERIC functions-as-trees tree representation into the GIMPLE form. - Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 + Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. Major work done by Sebastian Pop <s.pop@laposte.net>, Diego Novillo <dnovillo@redhat.com> and Jason Merrill <jason@redhat.com>. @@ -1240,6 +1240,9 @@ gimplify_bind_expr (tree *expr_p, gimple_seq *pre_p) omp_add_variable (gimplify_omp_ctxp, t, GOVD_LOCAL | GOVD_SEEN); DECL_SEEN_IN_BIND_EXPR_P (t) = 1; + + if (DECL_HARD_REGISTER (t) && !is_global_var (t) && cfun) + cfun->has_local_explicit_reg_vars = true; } /* Preliminarily mark non-addressed complex variables as eligible |