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combine.c (try_combine): Use NULL_RTX instead of '0' where appropriate in calls to gen_rtx(). 

* combine.c (try_combine): Use NULL_RTX instead of '0' where
        appropriate in calls to gen_rtx().
        * cse.c (cse_main): Likewise.
        * emit-rtl.c (gen_label_rtx): Likewise.
        * expr.c (init_expr_once): Likewise.
        * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
        sched_analyze, init_rgn_data_dependences,
        compute_block_backward_dependences): Likewise.
        * sched.c (schedule_insns): Likewise.
        * varasm.c (immed_double_const): Likewise.

From-SVN: r15630
This commit is contained in:
David S. Miller 1997-09-22 17:41:48 +00:00 committed by Jeff Law
parent d70276675c
commit 9524f769a7
8 changed files with 25 additions and 13 deletions
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11
gcc/ChangeLog
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@ -1,5 +1,16 @@
Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
* combine.c (try_combine): Use NULL_RTX instead of '0' where
appropriate in calls to gen_rtx().
* cse.c (cse_main): Likewise.
* emit-rtl.c (gen_label_rtx): Likewise.
* expr.c (init_expr_once): Likewise.
* haifa-sched.c (flush_pending_lists, sched_analyze_insn,
sched_analyze, init_rgn_data_dependences,
compute_block_backward_dependences): Likewise.
* sched.c (schedule_insns): Likewise.
* varasm.c (immed_double_const): Likewise.
* sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
SPARC_STACK_BIAS for sake of dwarf2 on sparc64.

4
gcc/combine.c
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@ -1401,8 +1401,8 @@ try_combine (i3, i2, i1)
as I2 will not cause a problem. */
subst_prev_insn = i1
= gen_rtx (INSN, VOIDmode, INSN_UID (i2), 0, i2,
XVECEXP (PATTERN (i2), 0, 1), -1, 0, 0);
= gen_rtx (INSN, VOIDmode, INSN_UID (i2), NULL_RTX, i2,
XVECEXP (PATTERN (i2), 0, 1), -1, NULL_RTX, NULL_RTX);
SUBST (PATTERN (i2), XVECEXP (PATTERN (i2), 0, 0));
SUBST (XEXP (SET_SRC (PATTERN (i2)), 0),

2
gcc/cse.c
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@ -8200,7 +8200,7 @@ cse_main (f, nregs, after_loop, file)
/* Allocate scratch rtl here. cse_insn will fill in the memory reference
and change the code and mode as appropriate. */
memory_extend_rtx = gen_rtx (ZERO_EXTEND, VOIDmode, 0);
memory_extend_rtx = gen_rtx (ZERO_EXTEND, VOIDmode, NULL_RTX);
#endif
/* Discard all the free elements of the previous function

3
gcc/emit-rtl.c
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@ -1444,7 +1444,8 @@ gen_label_rtx ()
label = (output_bytecode
? gen_rtx (CODE_LABEL, VOIDmode, NULL, bc_get_bytecode_label ())
: gen_rtx (CODE_LABEL, VOIDmode, 0, 0, 0, label_num++, NULL_PTR));
: gen_rtx (CODE_LABEL, VOIDmode, 0, NULL_RTX,
NULL_RTX, label_num++, NULL_PTR));
LABEL_NUSES (label) = 0;
return label;

2
gcc/expr.c
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@ -292,7 +292,7 @@ init_expr_once ()
rtx mem1 = gen_rtx (MEM, VOIDmode, frame_pointer_rtx);
start_sequence ();
insn = emit_insn (gen_rtx (SET, 0, 0));
insn = emit_insn (gen_rtx (SET, 0, NULL_RTX, NULL_RTX));
pat = PATTERN (insn);
for (mode = VOIDmode; (int) mode < NUM_MACHINE_MODES;

12
gcc/haifa-sched.c
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@ -3362,7 +3362,7 @@ flush_pending_lists (insn, only_write)
add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
last_pending_memory_flush =
gen_rtx (INSN_LIST, VOIDmode, insn, 0);
gen_rtx (INSN_LIST, VOIDmode, insn, NULL_RTX);
}
/* Analyze a single SET or CLOBBER rtx, X, creating all dependencies generated
@ -3830,7 +3830,7 @@ sched_analyze_insn (x, insn, loop_notes)
{
/* reg_last_sets[r] is now a list of insns */
reg_last_sets[i]
= gen_rtx (INSN_LIST, VOIDmode, insn, 0);
= gen_rtx (INSN_LIST, VOIDmode, insn, NULL_RTX);
});
CLEAR_REG_SET (reg_pending_sets);
@ -3840,7 +3840,7 @@ sched_analyze_insn (x, insn, loop_notes)
/* reg_last_sets[r] is now a list of insns */
reg_last_sets[i]
= gen_rtx (INSN_LIST, VOIDmode, insn, 0);
= gen_rtx (INSN_LIST, VOIDmode, insn, NULL_RTX);
reg_pending_sets_all = 0;
}
@ -3988,7 +3988,7 @@ sched_analyze (head, tail)
/* last_function_call is now a list of insns */
last_function_call
= gen_rtx (INSN_LIST, VOIDmode, insn, 0);
= gen_rtx (INSN_LIST, VOIDmode, insn, NULL_RTX);
}
/* See comments on reemit_notes as to why we do this. */
@ -7060,7 +7060,7 @@ init_rgn_data_dependences (n_bbs)
{
bb_sched_before_next_call[bb] =
gen_rtx (INSN, VOIDmode, 0, NULL_RTX, NULL_RTX,
NULL_RTX, 0, NULL_RTX, 0);
NULL_RTX, 0, NULL_RTX, NULL_RTX);
LOG_LINKS (bb_sched_before_next_call[bb]) = 0;
}
}
@ -7191,7 +7191,7 @@ compute_block_backward_dependences (bb)
last_pending_memory_flush = 0;
sched_before_next_call
= gen_rtx (INSN, VOIDmode, 0, NULL_RTX, NULL_RTX,
NULL_RTX, 0, NULL_RTX, 0);
NULL_RTX, 0, NULL_RTX, NULL_RTX);
LOG_LINKS (sched_before_next_call) = 0;
}
else

2
gcc/sched.c
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@ -4238,7 +4238,7 @@ schedule_insns (dump_file)
/* Create an insn here so that we can hang dependencies off of it later. */
sched_before_next_call
= gen_rtx (INSN, VOIDmode, 0, NULL_RTX, NULL_RTX,
NULL_RTX, 0, NULL_RTX, 0);
NULL_RTX, 0, NULL_RTX, NULL_RTX);
/* Initialize the unused_*_lists. We can't use the ones left over from
the previous function, because gcc has freed that memory. We can use

2
gcc/varasm.c
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@ -2192,7 +2192,7 @@ immed_double_const (i0, i1, mode)
push_obstacks_nochange ();
rtl_in_saveable_obstack ();
r = gen_rtx (CONST_DOUBLE, mode, 0, i0, i1);
r = gen_rtx (CONST_DOUBLE, mode, NULL_RTX, i0, i1);
pop_obstacks ();
/* Don't touch const_double_chain in nested function; see force_const_mem.