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emit-rtl.c (reverse_comparison): Remove.

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* emit-rtl.c (reverse_comparison): Remove.
	* rtl.h: Remove the corresponding prototype.

From-SVN: r97032
This commit is contained in:
Kazu Hirata 2005-03-25 02:23:57 +00:00 committed by Kazu Hirata
parent d3d9a67f7e
commit cba9e10abb
3 changed files with 5 additions and 33 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2005-03-24 Kazu Hirata <kazu@cs.umass.edu>
* emit-rtl.c (reverse_comparison): Remove.
* rtl.h: Remove the corresponding prototype.
2005-03-24 James E Wilson <wilson@specifixinc.com>
* doc/install.texi (--enable-altivec): Delete docs.

32
gcc/emit-rtl.c
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@ -1360,38 +1360,6 @@ operand_subword_force (rtx op, unsigned int offset, enum machine_mode mode)
return result;
}
/* Given a compare instruction, swap the operands.
A test instruction is changed into a compare of 0 against the operand. */
void
reverse_comparison (rtx insn)
{
rtx body = PATTERN (insn);
rtx comp;
if (GET_CODE (body) == SET)
comp = SET_SRC (body);
else
comp = SET_SRC (XVECEXP (body, 0, 0));
if (GET_CODE (comp) == COMPARE)
{
rtx op0 = XEXP (comp, 0);
rtx op1 = XEXP (comp, 1);
XEXP (comp, 0) = op1;
XEXP (comp, 1) = op0;
}
else
{
rtx new = gen_rtx_COMPARE (VOIDmode,
CONST0_RTX (GET_MODE (comp)), comp);
if (GET_CODE (body) == SET)
SET_SRC (body) = new;
else
SET_SRC (XVECEXP (body, 0, 0)) = new;
}
}
/* Within a MEM_EXPR, we care about either (1) a component ref of a decl,
or (2) a component ref of something variable. Represent the later with
a NULL expression. */

1
gcc/rtl.h
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@ -1942,7 +1942,6 @@ extern void init_emit (void);
extern void init_emit_once (int);
extern void push_topmost_sequence (void);
extern void pop_topmost_sequence (void);
extern void reverse_comparison (rtx);
extern void set_new_first_and_last_insn (rtx, rtx);
extern void unshare_all_rtl (void);
extern void unshare_all_rtl_again (rtx);