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Trival patch flow.c
- To: gcc-patches at gcc dot gnu dot org
- Subject: Trival patch flow.c
- From: Graham Stott <grahams at redhat dot com>
- Date: Tue, 31 Jul 2001 01:16:16 +0100
All
Bootstrapped x86-linux
Graham
Changelog
* flow.c (back_edge_of_syntacic_loop_p): Add whitespace.
(libcall_dead_p): Likewise.
(mark_used_regs): Constify fmt.
(find_use_as_address): Likewise.
-----------------------------------------------------------
Index: flow.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/flow.c,v
retrieving revision 1.450
diff -c -p -r1.450 flow.c
*** flow.c 2001/07/29 17:01:52 1.450
--- flow.c 2001/07/30 20:03:32
*************** back_edge_of_syntactic_loop_p (bb1, bb2)
*** 2046,2055 ****
--- 2046,2058 ----
{
rtx insn;
int count = 0;
+
if (bb1->index > bb2->index)
return false;
+
if (bb1->index == bb2->index)
return true;
+
for (insn = bb1->end; insn != bb2->head && count >= 0;
insn = NEXT_INSN (insn))
if (GET_CODE (insn) == NOTE)
*************** back_edge_of_syntactic_loop_p (bb1, bb2)
*** 2059,2064 ****
--- 2062,2068 ----
if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_END)
count--;
}
+
return count >= 0;
}
*************** libcall_dead_p (pbi, note, insn)
*** 5777,5782 ****
--- 5786,5792 ----
if (x)
{
register rtx r = SET_SRC (x);
+
if (GET_CODE (r) == REG)
{
*************** mark_used_regs (pbi, x, cond, insn)
*** 7421,7427 ****
/* Recursively scan the operands of this expression. */
{
! register const char *fmt = GET_RTX_FORMAT (code);
register int i;
for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
--- 7431,7437 ----
/* Recursively scan the operands of this expression. */
{
! register const char * const fmt = GET_RTX_FORMAT (code);
register int i;
for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
*************** find_use_as_address (x, reg, plusconst)
*** 7584,7590 ****
HOST_WIDE_INT plusconst;
{
enum rtx_code code = GET_CODE (x);
! const char *fmt = GET_RTX_FORMAT (code);
register int i;
register rtx value = 0;
register rtx tem;
--- 7594,7600 ----
HOST_WIDE_INT plusconst;
{
enum rtx_code code = GET_CODE (x);
! const char * const fmt = GET_RTX_FORMAT (code);
register int i;
register rtx value = 0;
register rtx tem;
----------------------------------------------------------------------