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| author | Lars Brinkhoff <lars@nocrew.org> | 2001-02-18 20:24:10 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-02-18 12:24:10 -0800 |
| commit | e1078cfca6ce48820c55353664830ad13d567ae3 (patch) | |
| tree | 5d838e7d876763a62364f10f9e0ecd0823a85c0b /gcc/combine.c | |
| parent | 3bd241172417b6329baf196858143269c4b362e5 (diff) | |
| download | gcc-e1078cfca6ce48820c55353664830ad13d567ae3.zip gcc-e1078cfca6ce48820c55353664830ad13d567ae3.tar.gz gcc-e1078cfca6ce48820c55353664830ad13d567ae3.tar.bz2 | |
optabs.c (expand_abs): Remove reference to HAVE_contitional_arithmetic.
* optabs.c (expand_abs): Remove reference to
HAVE_contitional_arithmetic.
* combine.c (simplify_set): Likewise.
From-SVN: r39844
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index c2fa5bb..b5735be 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -5229,69 +5229,6 @@ simplify_set (x) src = SET_SRC (x); } -#ifdef HAVE_conditional_arithmetic - /* If we have conditional arithmetic and the operand of a SET is - a conditional expression, replace this with an IF_THEN_ELSE. - We can either have a conditional expression or a MULT of that expression - with a constant. */ - if ((GET_RTX_CLASS (GET_CODE (src)) == '1' - || GET_RTX_CLASS (GET_CODE (src)) == '2' - || GET_RTX_CLASS (GET_CODE (src)) == 'c') - && (GET_RTX_CLASS (GET_CODE (XEXP (src, 0))) == '<' - || (GET_CODE (XEXP (src, 0)) == MULT - && GET_RTX_CLASS (GET_CODE (XEXP (XEXP (src, 0), 0))) == '<' - && GET_CODE (XEXP (XEXP (src, 0), 1)) == CONST_INT))) - { - rtx cond = XEXP (src, 0); - rtx true_val = const1_rtx; - rtx false_arm, true_arm; - rtx reversed; - - if (GET_CODE (cond) == MULT) - { - true_val = XEXP (cond, 1); - cond = XEXP (cond, 0); - } - - if (GET_RTX_CLASS (GET_CODE (src)) == '1') - { - true_arm = gen_unary (GET_CODE (src), GET_MODE (src), - GET_MODE (XEXP (src, 0)), true_val); - false_arm = gen_unary (GET_CODE (src), GET_MODE (src), - GET_MODE (XEXP (src, 0)), const0_rtx); - } - else - { - true_arm = gen_binary (GET_CODE (src), GET_MODE (src), - true_val, XEXP (src, 1)); - false_arm = gen_binary (GET_CODE (src), GET_MODE (src), - const0_rtx, XEXP (src, 1)); - } - - /* Canonicalize if true_arm is the simpler one. */ - if (GET_RTX_CLASS (GET_CODE (true_arm)) == 'o' - && GET_RTX_CLASS (GET_CODE (false_arm)) != 'o' - && (reversed = reversed_comparison_code (cond, GET_MODE (cond), - XEXP (cond, 0), - XEXP (cond, 1)))) - { - rtx temp = true_arm; - - true_arm = false_arm; - false_arm = temp; - - cond = reversed; - } - - src = gen_rtx_combine (IF_THEN_ELSE, GET_MODE (src), - gen_rtx_combine (GET_CODE (cond), VOIDmode, - XEXP (cond, 0), - XEXP (cond, 1)), - true_arm, false_arm); - SUBST (SET_SRC (x), src); - } -#endif - /* If either SRC or DEST is a CLOBBER of (const_int 0), make this whole thing fail. */ if (GET_CODE (src) == CLOBBER && XEXP (src, 0) == const0_rtx) |