combine.c (combine_simplify_rtx, [...]): Use CC0_P.
* combine.c (combine_simplify_rtx, simplfy_comparison): Use CC0_P. * cse.c (invalidate_skipped_set): Likewise. * integrate.c (subst_constants): Likewise. * jump.c (reversed_comparison_code_parts): Likewise. * loop.c (canonicalize_condition): Likewise. * simplify-rtx.c (simplify_relational_operation): Likewise. From-SVN: r63446
This commit is contained in:
Roger Sayle
Roger Sayle
parent
b052d8ee4d
commit
8beccec86d
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@ -1,3 +1,12 @@
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2003-02-25 Roger Sayle <roger@eyesopen.com>
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* combine.c (combine_simplify_rtx, simplfy_comparison): Use CC0_P.
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* cse.c (invalidate_skipped_set): Likewise.
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* integrate.c (subst_constants): Likewise.
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* jump.c (reversed_comparison_code_parts): Likewise.
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* loop.c (canonicalize_condition): Likewise.
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* simplify-rtx.c (simplify_relational_operation): Likewise.
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2003-02-25 Roger Sayle <roger@eyesopen.com>
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* builtins.def (DEF_LIB_ALWAYS_BUILTIN, DEF_UNUSED_BUILTIN): Delete.
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@ -4494,10 +4494,7 @@ combine_simplify_rtx (x, op0_mode, last, in_dest)
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with it. */
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if (GET_CODE (XEXP (x, 0)) == COMPARE
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|| (GET_MODE_CLASS (GET_MODE (XEXP (x, 0))) != MODE_CC
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#ifdef HAVE_cc0
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&& XEXP (x, 0) != cc0_rtx
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#endif
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))
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&& ! CC0_P (XEXP (x, 0))))
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{
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rtx op0 = XEXP (x, 0);
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rtx op1 = XEXP (x, 1);
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@ -11010,9 +11007,7 @@ simplify_comparison (code, pop0, pop1)
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/* We can't do anything if OP0 is a condition code value, rather
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than an actual data value. */
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if (const_op != 0
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#ifdef HAVE_cc0
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|| XEXP (op0, 0) == cc0_rtx
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#endif
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|| CC0_P (XEXP (op0, 0))
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|| GET_MODE_CLASS (GET_MODE (XEXP (op0, 0))) == MODE_CC)
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break;
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@ -6658,9 +6658,7 @@ invalidate_skipped_set (dest, set, data)
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}
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if (GET_CODE (set) == CLOBBER
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#ifdef HAVE_cc0
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|| dest == cc0_rtx
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#endif
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|| CC0_P (dest)
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|| dest == pc_rtx)
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return;
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@ -1,6 +1,6 @@
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/* Procedure integration for GCC.
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Copyright (C) 1988, 1991, 1993, 1994, 1995, 1996, 1997, 1998,
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1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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Copyright (C) 1988, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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Contributed by Michael Tiemann (tiemann@cygnus.com)
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This file is part of GCC.
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@ -2611,10 +2611,7 @@ subst_constants (loc, insn, map, memonly)
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{
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src = SET_SRC (x);
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if (GET_MODE_CLASS (GET_MODE (src)) == MODE_CC
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#ifdef HAVE_cc0
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|| dest == cc0_rtx
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#endif
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)
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|| CC0_P (dest))
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{
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compare_mode = GET_MODE (XEXP (src, 0));
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if (compare_mode == VOIDmode)
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@ -2666,9 +2663,7 @@ subst_constants (loc, insn, map, memonly)
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|| REGNO (XEXP (src, 0)) == VIRTUAL_STACK_VARS_REGNUM)
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&& CONSTANT_P (XEXP (src, 1)))
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|| GET_CODE (src) == COMPARE
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#ifdef HAVE_cc0
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|| dest == cc0_rtx
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#endif
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|| CC0_P (dest)
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|| (dest == pc_rtx
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&& (src == pc_rtx || GET_CODE (src) == RETURN
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|| GET_CODE (src) == LABEL_REF))))
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@ -2682,10 +2677,7 @@ subst_constants (loc, insn, map, memonly)
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if (compare_mode != VOIDmode
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&& GET_CODE (src) == COMPARE
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&& (GET_MODE_CLASS (GET_MODE (src)) == MODE_CC
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#ifdef HAVE_cc0
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|| dest == cc0_rtx
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#endif
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)
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|| CC0_P (dest))
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&& GET_MODE (XEXP (src, 0)) == VOIDmode
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&& GET_MODE (XEXP (src, 1)) == VOIDmode)
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{
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@ -701,11 +701,7 @@ reversed_comparison_code_parts (code, arg0, arg1, insn)
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break;
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}
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if (GET_MODE_CLASS (mode) == MODE_CC
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#ifdef HAVE_cc0
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|| arg0 == cc0_rtx
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#endif
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)
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if (GET_MODE_CLASS (mode) == MODE_CC || CC0_P (arg0))
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{
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rtx prev;
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/* Try to search for the comparison to determine the real mode.
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@ -1,6 +1,6 @@
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/* Perform various loop optimizations, including strength reduction.
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Copyright (C) 1987, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
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1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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This file is part of GCC.
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@ -9442,11 +9442,9 @@ canonicalize_condition (insn, cond, reverse, earliest, want_reg)
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}
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}
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#ifdef HAVE_cc0
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/* Never return CC0; return zero instead. */
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if (op0 == cc0_rtx)
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if (CC0_P (op0))
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return 0;
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#endif
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return gen_rtx_fmt_ee (code, VOIDmode, op0, op1);
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}
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@ -2177,11 +2177,7 @@ simplify_relational_operation (code, mode, op0, op1)
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/* We can't simplify MODE_CC values since we don't know what the
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actual comparison is. */
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if (GET_MODE_CLASS (GET_MODE (op0)) == MODE_CC
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#ifdef HAVE_cc0
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|| op0 == cc0_rtx
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#endif
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)
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if (GET_MODE_CLASS (GET_MODE (op0)) == MODE_CC || CC0_P (op0))
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return 0;
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/* Make sure the constant is second. */
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