From 5bf6c48a4adc50024bbed8584a9eec1aa86ce984 Mon Sep 17 00:00:00 2001 From: Richard Kenner Date: Wed, 18 Sep 1996 17:48:10 -0400 Subject: [PATCH] (alpha_swapped_comparison_operator): New function. From-SVN: r12742 --- gcc/config/alpha/alpha.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index 4360b56..b8e581b 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -504,6 +504,23 @@ alpha_comparison_operator (op, mode) || (mode == DImode && (code == LEU || code == LTU))); } +/* Return 1 if OP is a valid Alpha swapped comparison operator. */ + +int +alpha_swapped_comparison_operator (op, mode) + register rtx op; + enum machine_mode mode; +{ + enum rtx_code code = GET_CODE (op); + + if (mode != GET_MODE (op) || GET_RTX_CLASS (code) != '<') + return 0; + + code = swap_condition (code); + return (code == EQ || code == LE || code == LT + || (mode == DImode && (code == LEU || code == LTU))); +} + /* Return 1 if OP is a signed comparison operation. */ int -- 2.7.4