From e670d9e4cec6b4d18e98bf8e0fddc0373d781c9f Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 29 Sep 2004 18:22:07 -0700 Subject: re PR tree-optimization/17739 (tree-optimizers extend the lifetime of a hard register variable) 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. From-SVN: r88321 --- gcc/tree-pretty-print.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'gcc/tree-pretty-print.c') diff --git a/gcc/tree-pretty-print.c b/gcc/tree-pretty-print.c index b59e6dd..9337c38 100644 --- a/gcc/tree-pretty-print.c +++ b/gcc/tree-pretty-print.c @@ -1566,6 +1566,14 @@ print_declaration (pretty_printer *buffer, tree t, int spc, int flags) dump_generic_node (buffer, t, spc, flags, false); } + if (TREE_CODE (t) == VAR_DECL && DECL_HARD_REGISTER (t)) + { + pp_string (buffer, " __asm__ "); + pp_character (buffer, '('); + dump_generic_node (buffer, DECL_ASSEMBLER_NAME (t), spc, flags, false); + pp_character (buffer, ')'); + } + /* The initial value of a function serves to determine wether the function is declared or defined. So the following does not apply to function nodes. */ -- cgit v1.1