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stormy16.md (eqbranchsi): Replace a match_dup inside the clobber with a match_operand and duplicated...

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* 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
This commit is contained in:
Nick Clifton 2008-02-06 10:36:33 +00:00 • committed by Nick Clifton
parent 448b96d042
commit 2ccd9cb254
2 changed files with 9 additions and 10 deletions
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7
gcc/ChangeLog
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@ -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

12
gcc/config/stormy16/stormy16.md
View file

@ -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"))]
""