diff options
| author | Nick Clifton <nickc@redhat.com> | 2008-02-06 10:36:33 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 2008-02-06 10:36:33 +0000 |
| commit | 2ccd9cb254fb69a2bf428bfa487f682570e2f70f (patch) | |
| tree | 91b33b5f93ecd8373cd217aded0fc3667cb66d21 /gcc | |
| parent | 448b96d042977dccb54311627ef3467d797681c9 (diff) | |
| download | gcc-2ccd9cb254fb69a2bf428bfa487f682570e2f70f.tar.gz | |
stormy16.md (eqbranchsi): Replace a match_dup inside the clobber with a match_operand and duplicated...
* config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
inside the clobber with a match_operand and duplicated operand
number in the constraint.
(ineqbranchsi): Delete redundant comment.
From-SVN: r132143
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/stormy16/stormy16.md | 12 |
2 files changed, 9 insertions, 10 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 382d0da46a9..871e6ddd858 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2008-02-06 Nick Clifton <nickc@redhat.com> + + * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup + inside the clobber with a match_operand and duplicated operand + number in the constraint. + (ineqbranchsi): Delete redundant comment. + 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org> * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 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"))] "" |