From eb4cdd21b7d0cedbbeff7f70e24473706ccce5a6 Mon Sep 17 00:00:00 2001 From: Luc Van Oostenryck Date: Sun, 31 Jan 2021 23:17:24 +0100 Subject: simplify (x | M) cmpu C Signed-off-by: Luc Van Oostenryck --- simplify.c | 16 ++++++++++++++++ validation/optim/cmpu-or0.c | 1 - 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/simplify.c b/simplify.c index e721f9f8..9e3514d8 100644 --- a/simplify.c +++ b/simplify.c @@ -1324,6 +1324,22 @@ static int simplify_compare_constant(struct instruction *insn, long long value) if ((value & bits) != bits) return replace_with_value(insn, 1); break; + case OP_SET_B: + if (bits >= value) + return replace_with_value(insn, 0); + break; + case OP_SET_BE: + if (bits > value) + return replace_with_value(insn, 0); + break; + case OP_SET_AE: + if (bits > value) + return replace_with_value(insn, 1); + break; + case OP_SET_A: + if (bits >= value) + return replace_with_value(insn, 1); + break; case OP_SET_LE: value = sign_extend(value, def->size); if (bits & sign_bit(def->size)) { diff --git a/validation/optim/cmpu-or0.c b/validation/optim/cmpu-or0.c index 77360d3f..e97e9180 100644 --- a/validation/optim/cmpu-or0.c +++ b/validation/optim/cmpu-or0.c @@ -12,7 +12,6 @@ int cmpu_ior_gt_lt(int a) { return ((a | MASK) > (MASK - 1)) EQ(1); } /* * check-name: cmpu-or0 * check-command: test-linearize -Wno-decl $file - * check-known-to-fail * * check-output-ignore * check-output-returns: 1 -- cgit 1.2.3-korg