diff mbox

[v6,03/15] use opcode table for compare_opcode()

Message ID 20170327173405.11405-4-luc.vanoostenryck@gmail.com (mailing list archive)
State Mainlined, archived
Headers show

Commit Message

Luc Van Oostenryck March 27, 2017, 5:33 p.m. UTC 
At the same time, change also the name of the function.

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
 simplify.c | 26 +-------------------------
 1 file changed, 1 insertion(+), 25 deletions(-)
diff mbox

Patch

diff --git a/simplify.c b/simplify.c
index 5d00937f1..c18a2268e 100644
--- a/simplify.c
+++ b/simplify.c
@@ -403,30 +403,6 @@  static int simplify_mul_div(struct instruction *insn, long long value)
 	return 0;
 }
 
-static int compare_opcode(int opcode, int inverse)
-{
-	if (!inverse)
-		return opcode;
-
-	switch (opcode) {
-	case OP_SET_EQ:	return OP_SET_NE;
-	case OP_SET_NE:	return OP_SET_EQ;
-
-	case OP_SET_LT:	return OP_SET_GE;
-	case OP_SET_LE:	return OP_SET_GT;
-	case OP_SET_GT:	return OP_SET_LE;
-	case OP_SET_GE:	return OP_SET_LT;
-
-	case OP_SET_A:	return OP_SET_BE;
-	case OP_SET_AE:	return OP_SET_B;
-	case OP_SET_B:	return OP_SET_AE;
-	case OP_SET_BE:	return OP_SET_A;
-
-	default:
-		return opcode;
-	}
-}
-
 static int simplify_seteq_setne(struct instruction *insn, long long value)
 {
 	pseudo_t old = insn->src1;
@@ -454,7 +430,7 @@  static int simplify_seteq_setne(struct instruction *insn, long long value)
 		// and similar for setne/eq ... 0/1
 		src1 = def->src1;
 		src2 = def->src2;
-		insn->opcode = compare_opcode(opcode, inverse);
+		insn->opcode = inverse ? opcode_table[opcode].negate : opcode;
 		use_pseudo(insn, src1, &insn->src1);
 		use_pseudo(insn, src2, &insn->src2);
 		remove_usage(old, &insn->src1);