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authorH.J. Lu <hongjiu.lu@intel.com>2009-11-25 10:55:54 +0000
committerH.J. Lu <hjl@gcc.gnu.org>2009-11-25 02:55:54 -0800
commitb8698a0f3794ca2fda9837dfdd83feea1a4ca75c (patch)
tree4375f002b368e9044a1d9ca874026be04b7c3105 /gcc/loop-iv.c
parent98aa3f36a781727c603ad99ada9632131154b9a7 (diff)
downloadgcc-b8698a0f3794ca2fda9837dfdd83feea1a4ca75c.tar.gz
Remove trailing white spaces.
2009-11-25 H.J. Lu <hongjiu.lu@intel.com> * alias.c: Remove trailing white spaces. * alloc-pool.c: Likewise. * alloc-pool.h: Likewise. * attribs.c: Likewise. * auto-inc-dec.c: Likewise. * basic-block.h: Likewise. * bb-reorder.c: Likewise. * bt-load.c: Likewise. * builtins.c: Likewise. * builtins.def: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-decl.c: Likewise. * c-format.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-parser.c: Likewise. * c-pretty-print.c: Likewise. * c-tree.h: Likewise. * c-typeck.c: Likewise. * caller-save.c: Likewise. * calls.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfghooks.h: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * cfgloop.h: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * cgraphbuild.c: Likewise. * cgraphunit.c: Likewise. * cif-code.def: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * coverage.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * dbgcnt.c: Likewise. * dbgcnt.def: Likewise. * dbgcnt.h: Likewise. * dbxout.c: Likewise. * dce.c: Likewise. * ddg.c: Likewise. * ddg.h: Likewise. * defaults.h: Likewise. * df-byte-scan.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * df.h: Likewise. * dfp.c: Likewise. * diagnostic.c: Likewise. * diagnostic.h: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * double-int.c: Likewise. * double-int.h: Likewise. * dse.c: Likewise. * dwarf2asm.c: Likewise. * dwarf2asm.h: Likewise. * dwarf2out.c: Likewise. * ebitmap.c: Likewise. * ebitmap.h: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * except.c: Likewise. * except.h: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * final.c: Likewise. * flags.h: Likewise. * fold-const.c: Likewise. * function.c: 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* tree-ssa-loop.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-operands.c: Likewise. * tree-ssa-operands.h: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sink.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-ssa-threadedge.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-uncprop.c: Likewise. * tree-ssa.c: Likewise. * tree-ssanames.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-tailcall.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vectorizer.h: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * tree.def: Likewise. * tree.h: 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From-SVN: r154645
Diffstat (limited to 'gcc/loop-iv.c')
-rw-r--r--gcc/loop-iv.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/gcc/loop-iv.c b/gcc/loop-iv.c
index af25d02ed61..16e9a52697d 100644
--- a/gcc/loop-iv.c
+++ b/gcc/loop-iv.c
@@ -1,19 +1,19 @@
/* Rtl-level induction variable analysis.
Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
-
+
This file is part of GCC.
-
+
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.
-
+
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
-
+
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
@@ -35,7 +35,7 @@ along with GCC; see the file COPYING3. If not see
iv_analysis_done () to clean up the memory.
The available functions are:
-
+
iv_analyze (insn, reg, iv): Stores the description of the induction variable
corresponding to the use of register REG in INSN to IV. Returns true if
REG is an induction variable in INSN. false otherwise.
@@ -168,14 +168,14 @@ lowpart_subreg (enum machine_mode outer_mode, rtx expr,
subreg_lowpart_offset (outer_mode, inner_mode));
}
-static void
+static void
check_iv_ref_table_size (void)
{
if (iv_ref_table_size < DF_DEFS_TABLE_SIZE())
{
unsigned int new_size = DF_DEFS_TABLE_SIZE () + (DF_DEFS_TABLE_SIZE () / 4);
iv_ref_table = XRESIZEVEC (struct rtx_iv *, iv_ref_table, new_size);
- memset (&iv_ref_table[iv_ref_table_size], 0,
+ memset (&iv_ref_table[iv_ref_table_size], 0,
(new_size - iv_ref_table_size) * sizeof (struct rtx_iv *));
iv_ref_table_size = new_size;
}
@@ -330,7 +330,7 @@ iv_get_reaching_def (rtx insn, rtx reg, df_ref *def)
basic_block def_bb, use_bb;
rtx def_insn;
bool dom_p;
-
+
*def = NULL;
if (!simple_reg_p (reg))
return GRD_INVALID;
@@ -859,7 +859,7 @@ iv_analyze_biv (rtx def, struct rtx_iv *iv)
print_rtl (dump_file, def);
fprintf (dump_file, " for bivness.\n");
}
-
+
if (!REG_P (def))
{
if (!CONSTANT_P (def))
@@ -919,7 +919,7 @@ iv_analyze_biv (rtx def, struct rtx_iv *iv)
return iv->base != NULL_RTX;
}
-/* Analyzes expression RHS used at INSN and stores the result to *IV.
+/* Analyzes expression RHS used at INSN and stores the result to *IV.
The mode of the induction variable is MODE. */
bool
@@ -943,7 +943,7 @@ iv_analyze_expr (rtx insn, rtx rhs, enum machine_mode mode, struct rtx_iv *iv)
{
if (!iv_analyze_op (insn, rhs, iv))
return false;
-
+
if (iv->mode == VOIDmode)
{
iv->mode = mode;
@@ -1057,7 +1057,7 @@ iv_analyze_def (df_ref def, struct rtx_iv *iv)
fprintf (dump_file, " in insn ");
print_rtl_single (dump_file, insn);
}
-
+
check_iv_ref_table_size ();
if (DF_REF_IV (def))
{
@@ -1749,7 +1749,7 @@ simplify_using_condition (rtx cond, rtx *expr, regset altered)
*expr = const_true_rtx;
return;
}
-
+
if (reve && implies_p (cond, reve))
{
*expr = const0_rtx;
@@ -1855,7 +1855,7 @@ simplify_using_initial_values (struct loop *loop, enum rtx_code op, rtx *expr)
default:
gcc_unreachable ();
}
-
+
simplify_using_initial_values (loop, UNKNOWN, &head);
if (head == aggr)
{
@@ -1876,7 +1876,7 @@ simplify_using_initial_values (struct loop *loop, enum rtx_code op, rtx *expr)
*expr = tail;
return;
}
-
+
XEXP (*expr, 0) = head;
XEXP (*expr, 1) = tail;
return;
@@ -1942,7 +1942,7 @@ simplify_using_initial_values (struct loop *loop, enum rtx_code op, rtx *expr)
if (CALL_P (insn))
{
int i;
-
+
/* Kill all call clobbered registers. */
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
if (TEST_HARD_REG_BIT (regs_invalidated_by_call, i))
@@ -2137,7 +2137,7 @@ canonicalize_iv_subregs (struct rtx_iv *iv0, struct rtx_iv *iv1,
and iv0 and iv1 are both ivs iterating in SI mode, but calculated
in different modes. This does not seem impossible to handle, but
it hardly ever occurs in practice.
-
+
The only exception is the case when one of operands is invariant.
For example pentium 3 generates comparisons like
(lt (subreg:HI (reg:SI)) 100). Here we assign HImode to 100, but we
@@ -2299,7 +2299,7 @@ iv_number_of_iterations (struct loop *loop, rtx insn, rtx condition,
goto fail;
if (iv0.extend_mode == VOIDmode)
iv0.mode = iv0.extend_mode = mode;
-
+
op1 = XEXP (condition, 1);
if (!iv_analyze (insn, op1, &iv1))
goto fail;
@@ -2867,7 +2867,7 @@ find_simple_exit (struct loop *loop, struct niter_desc *desc)
{
if (flow_bb_inside_loop_p (loop, e->dest))
continue;
-
+
check_simple_exit (loop, e, &act);
if (!act.simple_p)
continue;
@@ -2886,7 +2886,7 @@ find_simple_exit (struct loop *loop, struct niter_desc *desc)
if (act.infinite && !desc->infinite)
continue;
}
-
+
*desc = act;
}
}
@@ -2953,15 +2953,15 @@ get_simple_loop_desc (struct loop *loop)
if (desc->simple_p && (desc->assumptions || desc->infinite))
{
- const char *wording;
+ const char *wording;
- /* Assume that no overflow happens and that the loop is finite.
+ /* Assume that no overflow happens and that the loop is finite.
We already warned at the tree level if we ran optimizations there. */
if (!flag_tree_loop_optimize && warn_unsafe_loop_optimizations)
{
if (desc->infinite)
{
- wording =
+ wording =
flag_unsafe_loop_optimizations
? N_("assuming that the loop is not infinite")
: N_("cannot optimize possibly infinite loops");
@@ -2970,7 +2970,7 @@ get_simple_loop_desc (struct loop *loop)
}
if (desc->assumptions)
{
- wording =
+ wording =
flag_unsafe_loop_optimizations
? N_("assuming that the loop counter does not overflow")
: N_("cannot optimize loop, the loop counter may overflow");