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Remove unused functions from sparc backend.

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* config/sparc/sparc.c (short_branch, reg_unused_after): Delete.
	* config/sparc/sparc-protos.h (short_branch, reg_unused_after):
	Get rid of declarations.

From-SVN: r180325
This commit is contained in:
David S. Miller 2011-10-22 08:01:58 +00:00 committed by David S. Miller
parent f0237267ba
commit 89b925a660
3 changed files with 4 additions and 47 deletions
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4
gcc/ChangeLog
View File

@ -10,6 +10,10 @@
* config/sparc/sparc.c (struct processor_costs): To here.
(sparc_costs): Mark static.
* config/sparc/sparc.c (short_branch, reg_unused_after): Delete.
* config/sparc/sparc-protos.h (short_branch, reg_unused_after):
Get rid of declarations.
2011-10-21 Paul Brook <paul@codesourcery.com>
* config/c6x/c6x.c (c6x_asm_emit_except_personality,

2
gcc/config/sparc/sparc-protos.h
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@ -43,7 +43,6 @@ extern void sparc_expand_epilogue (bool);
extern void sparc_flat_expand_epilogue (bool);
extern bool sparc_can_use_return_insn_p (void);
extern int check_pic (int);
extern int short_branch (int, int);
extern void sparc_profile_hook (int);
extern void sparc_override_options (void);
extern void sparc_output_scratch_registers (FILE *);
@ -95,7 +94,6 @@ extern int fp_mov_p (rtx);
extern int fp_high_losum_p (rtx);
extern int mem_min_alignment (rtx, int);
extern int pic_address_needs_scratch (rtx);
extern int reg_unused_after (rtx, rtx);
extern int register_ok_for_ldd (rtx);
extern int memory_ok_for_ldd (rtx);
extern int registers_ok_for_ldd_peep (rtx, rtx);

45
gcc/config/sparc/sparc.c
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@ -3176,51 +3176,6 @@ eligible_for_sibcall_delay (rtx trial)
return eligible_for_restore_insn (trial, false);
}
int
short_branch (int uid1, int uid2)
{
int delta = INSN_ADDRESSES (uid1) - INSN_ADDRESSES (uid2);
/* Leave a few words of "slop". */
if (delta >= -1023 && delta <= 1022)
return 1;
return 0;
}
/* Return nonzero if REG is not used after INSN.
We assume REG is a reload reg, and therefore does
not live past labels or calls or jumps. */
int
reg_unused_after (rtx reg, rtx insn)
{
enum rtx_code code, prev_code = UNKNOWN;
while ((insn = NEXT_INSN (insn)))
{
if (prev_code == CALL_INSN && call_used_regs[REGNO (reg)])
return 1;
code = GET_CODE (insn);
if (GET_CODE (insn) == CODE_LABEL)
return 1;
if (INSN_P (insn))
{
rtx set = single_set (insn);
int in_src = set && reg_overlap_mentioned_p (reg, SET_SRC (set));
if (set && in_src)
return 0;
if (set && reg_overlap_mentioned_p (reg, SET_DEST (set)))
return 1;
if (set == 0 && reg_overlap_mentioned_p (reg, PATTERN (insn)))
return 0;
}
prev_code = code;
}
return 1;
}
/* Determine if it's legal to put X into the constant pool. This
is not possible if X contains the address of a symbol that is