diff options
| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-30 01:22:07 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-30 01:22:07 +0000 |
| commit | fbc51f36e328057ba98e695ccdab52856ca68796 (patch) | |
| tree | bfe96a23c68a90b5da0a5b5bfb8294fbe08ac645 /gcc/tree-ssa-pre.c | |
| parent | a8b2a8d55ccf7783b607c4629292af7fc41f6a28 (diff) | |
| download | gcc-fbc51f36e328057ba98e695ccdab52856ca68796.tar.gz | |
PR 17739
* tree-gimple.c (is_gimple_reg): Reject hard registers.
(is_gimple_asm_val): New.
* tree-gimple.h (is_gimple_asm_val): Declare.
* gimplify.c (gimplify_asm_expr): Use it.
* tree-pretty-print.c (print_declaration): Dump hard regs.
* tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
* tree-ssa-pre.c (is_undefined_value): Likewise.
* tree-ssa-copy.c (may_propagate_copy): Likewise.
(may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
* tree-ssa.c (warn_uninit): Likewise.
* tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88321 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index b0809d14b73..3d505b5579b 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -1624,8 +1624,7 @@ is_undefined_value (tree expr) return (TREE_CODE (expr) == SSA_NAME && IS_EMPTY_STMT (SSA_NAME_DEF_STMT (expr)) /* PARM_DECLs and hard registers are always defined. */ - && TREE_CODE (SSA_NAME_VAR (expr)) != PARM_DECL - && !DECL_HARD_REGISTER (SSA_NAME_VAR (expr))); + && TREE_CODE (SSA_NAME_VAR (expr)) != PARM_DECL); } |