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Add prototypes for static functions. 

(jump_optimize, delete_insn): Use GET_RTX_CLASS to test for insns.
(mark_jump_label): Delete dead code.
(delete_computation, redirect_tablejump): No longer static.

From-SVN: r6753
This commit is contained in:
Richard Kenner 1994-03-12 06:42:18 -05:00
parent ef903ecaa9
commit 8cd2aff2d1
1 changed files with 16 additions and 26 deletions
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42
gcc/jump.c
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@ -103,19 +103,16 @@ int can_reach_end;
static int cross_jump_death_matters = 0; static int cross_jump_death_matters = 0;
static int duplicate_loop_exit_test (); static int duplicate_loop_exit_test PROTO((rtx));
void redirect_tablejump (); static void find_cross_jump PROTO((rtx, rtx, int, rtx *, rtx *));
static int delete_labelref_insn (); static void do_cross_jump PROTO((rtx, rtx, rtx));
static void mark_jump_label (); static int jump_back_p PROTO((rtx, rtx));
void delete_jump (); static int tension_vector_labels PROTO((rtx, int));
void delete_computation (); static void mark_jump_label PROTO((rtx, rtx, int));
static void delete_from_jump_chain (); static void delete_computation PROTO((rtx));
static int tension_vector_labels (); static void delete_from_jump_chain PROTO((rtx));
static void find_cross_jump (); static int delete_labelref_insn PROTO((rtx, rtx, int));
static void do_cross_jump (); static void redirect_tablejump PROTO((rtx, rtx));
static int jump_back_p ();
extern rtx gen_jump ();
/* Delete no-op jumps and optimize jumps to jumps /* Delete no-op jumps and optimize jumps to jumps
and jumps around jumps. and jumps around jumps.
@ -210,8 +207,7 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
also make a chain of all returns. */ also make a chain of all returns. */
for (insn = f; insn; insn = NEXT_INSN (insn)) for (insn = f; insn; insn = NEXT_INSN (insn))
if ((GET_CODE (insn) == JUMP_INSN || GET_CODE (insn) == INSN if (GET_RTX_CLASS (GET_CODE (insn)) == 'i'
|| GET_CODE (insn) == CALL_INSN)
&& ! INSN_DELETED_P (insn)) && ! INSN_DELETED_P (insn))
{ {
mark_jump_label (PATTERN (insn), insn, cross_jump); mark_jump_label (PATTERN (insn), insn, cross_jump);
@ -3081,13 +3077,8 @@ mark_jump_label (x, insn, cross_jump)
|| ! (GET_CODE (next) == JUMP_INSN || ! (GET_CODE (next) == JUMP_INSN
&& (GET_CODE (PATTERN (next)) == ADDR_VEC && (GET_CODE (PATTERN (next)) == ADDR_VEC
|| GET_CODE (PATTERN (next)) == ADDR_DIFF_VEC))) || GET_CODE (PATTERN (next)) == ADDR_DIFF_VEC)))
{ REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_LABEL, label,
REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_LABEL, label, REG_NOTES (insn));
REG_NOTES (insn));
/* Record in the note whether label is nonlocal. */
LABEL_REF_NONLOCAL_P (REG_NOTES (insn))
= LABEL_REF_NONLOCAL_P (x);
}
} }
} }
return; return;
@ -3147,7 +3138,7 @@ delete_jump (insn)
On machines with CC0, if CC0 is used in this insn, we may be able to On machines with CC0, if CC0 is used in this insn, we may be able to
delete the insn that set it. */ delete the insn that set it. */
void static void
delete_computation (insn) delete_computation (insn)
rtx insn; rtx insn;
{ {
@ -3361,8 +3352,7 @@ delete_insn (insn)
{ {
register RTX_CODE code; register RTX_CODE code;
while (next != 0 while (next != 0
&& ((code = GET_CODE (next)) == INSN && (GET_RTX_CLASS (code = GET_CODE (next)) == 'i'
|| code == JUMP_INSN || code == CALL_INSN
|| code == NOTE || code == NOTE
|| (code == CODE_LABEL && INSN_DELETED_P (next)))) || (code == CODE_LABEL && INSN_DELETED_P (next))))
{ {
@ -3677,7 +3667,7 @@ redirect_exp (loc, olabel, nlabel, insn)
before the jump references that label and delete it and logical successors before the jump references that label and delete it and logical successors
too. */ too. */
void static void
redirect_tablejump (jump, nlabel) redirect_tablejump (jump, nlabel)
rtx jump, nlabel; rtx jump, nlabel;
{ {