diff options
Diffstat (limited to 'gcc/config/stormy16')
| -rw-r--r-- | gcc/config/stormy16/stormy16.md | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/gcc/config/stormy16/stormy16.md b/gcc/config/stormy16/stormy16.md index bd68243a7e8..1872085718c 100644 --- a/gcc/config/stormy16/stormy16.md +++ b/gcc/config/stormy16/stormy16.md @@ -1,5 +1,5 @@ ;; XSTORMY16 Machine description template -;; Copyright (C) 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, 2007 +;; Copyright (C) 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, 2007, 2008 ;; Free Software Foundation, Inc. ;; Contributed by Red Hat, Inc. @@ -880,11 +880,7 @@ (const_int 0)]) (label_ref (match_operand 0 "" "")) (pc))) -;; Although I would greatly like the 'match_dup' in the following line -;; to actually be a register constraint, there is (at the time of writing) no -;; way for reload to insert an output reload on the edges out of a branch. -;; If reload is fixed to use insert_insn_on_edge, this can be changed. - (clobber (match_dup 2))] + (clobber (match_operand:SI 3 "register_operand" "=2"))] "" "* { @@ -902,10 +898,6 @@ "ri")]) (label_ref (match_operand 0 "" "")) (pc))) - ;; This clobber is problematic. Too many gcc optimizations will change - ;; operand 2 without changing the clobber. At the time of writing there - ;; is no way around this. :-( For an example try compiling: - ;; gcc.c-torture/compile/20000403-1.c -O3 -fomit-frame-pointer -funroll-loops (clobber (match_operand:SI 5 "register_operand" "=2")) (clobber (match_operand:BI 4 "" "=&y"))] "" |