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From-SVN: r841
This commit is contained in:
Jim Wilson 1992-04-27 09:55:54 -07:00
parent a87104d913
commit bf1c694003
3 changed files with 14 additions and 16 deletions
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3
gcc/flow.c
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@ -519,7 +519,8 @@ find_basic_blocks (f, nonlocal_label_list)
if (GET_CODE (insn) == JUMP_INSN
&& GET_CODE (PATTERN (insn)) == SET
&& SET_DEST (PATTERN (insn)) == pc_rtx
&& GET_CODE (SET_SRC (PATTERN (insn))) == REG)
&& (GET_CODE (SET_SRC (PATTERN (insn))) == REG
|| GET_CODE (SET_SRC (PATTERN (insn))) == MEM))
{
rtx x;
for (x = label_value_list; x; x = XEXP (x, 1))

1
gcc/print-tree.c
View File

@ -467,6 +467,7 @@ print_node (file, prefix, node, indent)
case BIND_EXPR:
print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
return;
}

26
gcc/unroll.c
View File

@ -2435,25 +2435,21 @@ find_splittable_givs (bl, unroll_type, loop_start, loop_end, increment,
if (v->new_reg)
{
/* If the giv is an address destination, it could be something other
than a simple register, these have to be treated differently. */
if (v->giv_type == DEST_REG)
splittable_regs[REGNO (v->new_reg)] = value;
/* If an addr giv was combined with another addr giv, then we
can only split this giv if the addr giv it was combined with
was reduced. This is because the value of v->new_reg is
meaningless in this case. (There is no problem if it was
combined with a dest_reg giv which wasn't reduced, v->new_reg
is still meaningful in this case.) */
else if (v->same && v->same->giv_type == DEST_ADDR
&& ! v->same->new_reg)
/* If a giv was combined with another giv, then we can only split
this giv if the giv it was combined with was reduced. This
is because the value of v->new_reg is meaningless in this
case. */
if (v->same && ! v->same->new_reg)
{
if (loop_dump_stream)
fprintf (loop_dump_stream,
"DEST_ADDR giv not split, because combined with unreduced DEST_ADDR giv.\n");
"giv combined with unreduced giv not split.\n");
continue;
}
/* If the giv is an address destination, it could be something other
than a simple register, these have to be treated differently. */
else if (v->giv_type == DEST_REG)
splittable_regs[REGNO (v->new_reg)] = value;
else
{
/* Splitting address givs is useful since it will often allow us