From: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Date: Mon, 27 Feb 2017 04:57:58 +0000 (+0530)
Subject: target/ppc: use tcg ops for neg instruction
X-Git-Tag: v2.9.0-rc0~43^2~30
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1480d71cbe811d453b393e3b342f102535fe1202;p=thirdparty%2Fqemu.git

target/ppc: use tcg ops for neg instruction

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 16f422fb9c7..d4d9941f083 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -1483,7 +1483,10 @@ static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
 
 static void gen_neg(DisasContext *ctx)
 {
-    gen_op_arith_neg(ctx, 0);
+    tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
+    if (unlikely(Rc(ctx->opcode))) {
+        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
+    }
 }
 
 static void gen_nego(DisasContext *ctx)