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remove some ifdef HAVE_cc0

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gcc/ChangeLog:

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* conditions.h: Define macros even if HAVE_cc0 is undefined.
	* emit-rtl.c: Define functions even if HAVE_cc0 is undefined.
	* final.c: Likewise.
	* jump.c: Likewise.
	* recog.c: Likewise.
	* recog.h: Declare functions even when HAVE_cc0 is undefined.
	* sched-deps.c (sched_analyze_2): Always compile case for cc0.

From-SVN: r222294
This commit is contained in:
Trevor Saunders 2015-04-22 00:44:15 +00:00 committed by Trevor Saunders
parent 9a52250502
commit 8a90eeb6a8
8 changed files with 13 additions and 19 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2015-04-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* conditions.h: Define macros even if HAVE_cc0 is undefined.
* emit-rtl.c: Define functions even if HAVE_cc0 is undefined.
* final.c: Likewise.
* jump.c: Likewise.
* recog.c: Likewise.
* recog.h: Declare functions even when HAVE_cc0 is undefined.
* sched-deps.c (sched_analyze_2): Always compile case for cc0.
2015-04-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* defaults.h: New definition of EH_RETURN_DATA_REGNO.

6
gcc/conditions.h
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@ -20,10 +20,6 @@ along with GCC; see the file COPYING3. If not see
#ifndef GCC_CONDITIONS_H
#define GCC_CONDITIONS_H
/* None of the things in the files exist if we don't use CC0. */
#ifdef HAVE_cc0
/* The variable cc_status says how to interpret the condition code.
It is set by output routines for an instruction that sets the cc's
and examined by output routines for jump instructions.
@ -117,6 +113,4 @@ extern CC_STATUS cc_status;
(cc_status.flags = 0, cc_status.value1 = 0, cc_status.value2 = 0, \
CC_STATUS_MDEP_INIT)
#endif
#endif /* GCC_CONDITIONS_H */

2
gcc/emit-rtl.c
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@ -3539,7 +3539,6 @@ prev_active_insn (rtx uncast_insn)
return insn;
}
#ifdef HAVE_cc0
/* Return the next insn that uses CC0 after INSN, which is assumed to
set it. This is the inverse of prev_cc0_setter (i.e., prev_cc0_setter
applied to the result of this function should yield INSN).
@ -3587,7 +3586,6 @@ prev_cc0_setter (rtx uncast_insn)
return insn;
}
#endif
#ifdef AUTO_INC_DEC
/* Find a RTX_AUTOINC class rtx which matches DATA. */

2
gcc/final.c
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@ -191,7 +191,6 @@ static rtx last_ignored_compare = 0;
static int insn_counter = 0;
#ifdef HAVE_cc0
/* This variable contains machine-dependent flags (defined in tm.h)
set and examined by output routines
that describe how to interpret the condition codes properly. */
@ -202,7 +201,6 @@ CC_STATUS cc_status;
from before the insn. */
CC_STATUS cc_prev_status;
#endif
/* Number of unmatched NOTE_INSN_BLOCK_BEG notes we have seen. */

3
gcc/jump.c
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@ -1044,8 +1044,6 @@ jump_to_label_p (const rtx_insn *insn)
&& JUMP_LABEL (insn) != NULL && !ANY_RETURN_P (JUMP_LABEL (insn)));
}
#ifdef HAVE_cc0
/* Return nonzero if X is an RTX that only sets the condition codes
and has no side effects. */
@ -1094,7 +1092,6 @@ sets_cc0_p (const_rtx x)
}
return 0;
}
#endif
/* Find all CODE_LABELs referred to in X, and increment their use
counts. If INSN is a JUMP_INSN and there is at least one

2
gcc/recog.c
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@ -971,7 +971,6 @@ validate_simplify_insn (rtx insn)
return ((num_changes_pending () > 0) && (apply_change_group () > 0));
}
#ifdef HAVE_cc0
/* Return 1 if the insn using CC0 set by INSN does not contain
any ordered tests applied to the condition codes.
EQ and NE tests do not count. */
@ -988,7 +987,6 @@ next_insn_tests_no_inequality (rtx insn)
return (INSN_P (next)
&& ! inequality_comparisons_p (PATTERN (next)));
}
#endif
/* Return 1 if OP is a valid general operand for machine mode MODE.
This is either a register reference, a memory reference,

2
gcc/recog.h
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@ -112,9 +112,7 @@ extern void validate_replace_rtx_group (rtx, rtx, rtx);
extern void validate_replace_src_group (rtx, rtx, rtx);
extern bool validate_simplify_insn (rtx insn);
extern int num_changes_pending (void);
#ifdef HAVE_cc0
extern int next_insn_tests_no_inequality (rtx);
#endif
extern bool reg_fits_class_p (const_rtx, reg_class_t, int, machine_mode);
extern int offsettable_memref_p (rtx);

5
gcc/sched-deps.c
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@ -2608,8 +2608,10 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx_insn *insn)
return;
#ifdef HAVE_cc0
case CC0:
#ifndef HAVE_cc0
gcc_unreachable ();
#endif
/* User of CC0 depends on immediately preceding insn. */
SCHED_GROUP_P (insn) = 1;
/* Don't move CC0 setter to another block (it can set up the
@ -2620,7 +2622,6 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx_insn *insn)
sched_deps_info->finish_rhs ();
return;
#endif
case REG:
{