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Minor cosmetic change 

Co-Authored-By: Revital Eres <eres@il.ibm.com>

From-SVN: r128689
This commit is contained in:
Ayal Zaks 2007-09-23 11:58:19 +00:00 committed by Revital Eres
parent 97aaae90c4
commit 8eb7561949
2 changed files with 18 additions and 15 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-09-23 Ayal Zaks <zaks@il.ibm.com>
Revital Eres <eres@il.ibm.com>
* modulo-sched.c (doloop_register_get): Rewrite the loop which
checks whether the count_reg is found outside the control part.
2007-09-23 Jakub Jelinek <jakub@redhat.com>
* expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl

27
gcc/modulo-sched.c
View File

@ -286,8 +286,7 @@ static rtx
doloop_register_get (rtx head ATTRIBUTE_UNUSED, rtx tail ATTRIBUTE_UNUSED)
{
#ifdef HAVE_doloop_end
rtx reg, condition, insn;
bool found = false;
rtx reg, condition, insn, first_insn_not_to_check;
if (!JUMP_P (tail))
return NULL_RTX;
@ -309,25 +308,23 @@ doloop_register_get (rtx head ATTRIBUTE_UNUSED, rtx tail ATTRIBUTE_UNUSED)
until the decrement. We assume the control part consists of
either a single (parallel) branch-on-count or a (non-parallel)
branch immediately preceded by a single (decrement) insn. */
for (insn = head; insn != PREV_INSN (tail); insn = NEXT_INSN (insn))
if ((found = reg_mentioned_p (reg, insn)) == true)
break;
if (found)
{
if (dump_file)
fprintf (dump_file, "SMS count_reg found outside control\n");
first_insn_not_to_check = (GET_CODE (PATTERN (tail)) == PARALLEL ? tail
: PREV_INSN (tail));
return NULL_RTX;
}
/* One last check in case the do-loop pattern is parallel. */
if (GET_CODE (PATTERN (tail)) == PARALLEL)
if (reg_mentioned_p (reg, PREV_INSN (tail)))
for (insn = head; insn != first_insn_not_to_check; insn = NEXT_INSN (insn))
if (reg_mentioned_p (reg, insn))
{
if (dump_file)
fprintf (dump_file, "SMS count_reg found outside control\n");
{
fprintf (dump_file, "SMS count_reg found ");
print_rtl_single (dump_file, reg);
fprintf (dump_file, " outside control in insn:\n");
print_rtl_single (dump_file, insn);
}
return NULL_RTX;
}
return reg;
#else
return NULL_RTX;