diff options
| author | Uros Bizjak <ubizjak@gmail.com> | 2015-04-21 08:29:37 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2015-04-21 08:29:37 +0200 |
| commit | d60dbb52fc8cd3a709b24e611a73ebdc13ff4e58 (patch) | |
| tree | a8a55bae1a9b759bdd13fc11ce4cba76d4a3b737 | |
| parent | 3e87f2d6dd6a38e650b77445a38c9ebbe7988e23 (diff) | |
| download | gcc-d60dbb52fc8cd3a709b24e611a73ebdc13ff4e58.zip gcc-d60dbb52fc8cd3a709b24e611a73ebdc13ff4e58.tar.gz gcc-d60dbb52fc8cd3a709b24e611a73ebdc13ff4e58.tar.bz2 | |
re PR tree-optimization/64950 (postpone expanding va_arg till pass_stdarg)
PR tree-optimization/64950
Revert:
2010-08-02 Uros Bizjak <ubizjak@gmail.com>
PR target/41089
* config/alpha/alpha.c (alpha_build_builtin_va_list): Mark __offset
as volatile.
From-SVN: r222257
| -rw-r--r-- | gcc/ChangeLog | 12 | ||||
| -rw-r--r-- | gcc/config/alpha/alpha.c | 4 |
2 files changed, 11 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 47089f3..10f4daf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,13 @@ +2015-04-21 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/64950 + Revert: + 2010-08-02 Uros Bizjak <ubizjak@gmail.com> + + PR target/41089 + * config/alpha/alpha.c (alpha_build_builtin_va_list): Mark __offset + as volatile. + 2015-04-20 Shiva Chen <shiva0217@gmail.com> PR rtl-optimization/64916 @@ -15,7 +25,7 @@ * tree-ssa-threadupdate.c (redirection_block_p): Remove redundant test for GIMPLE_ASSIGN in last change. -2015-04-19 Uros Bizjak <ubizjak@gmail.com> +2015-04-20 Uros Bizjak <ubizjak@gmail.com> * config/i386/i386.c (set_pic_reg_ever_live): Remove. (legitimize_pic_address): Do not call set_pic_reg_ever_live. diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index 67c15dc..6f797b3 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -5957,10 +5957,6 @@ alpha_build_builtin_va_list (void) integer_type_node); DECL_FIELD_CONTEXT (ofs) = record; DECL_CHAIN (ofs) = space; - /* ??? This is a hack, __offset is marked volatile to prevent - DCE that confuses stdarg optimization and results in - gcc.c-torture/execute/stdarg-1.c failure. See PR 41089. */ - TREE_THIS_VOLATILE (ofs) = 1; base = build_decl (BUILTINS_LOCATION, FIELD_DECL, get_identifier ("__base"), |