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[Qemu-devel] [PATCH v6 5/8] target/ppc: use tcg ops for neg instruction


From: Nikunj A Dadhania
Subject: [Qemu-devel] [PATCH v6 5/8] target/ppc: use tcg ops for neg instruction
Date: Mon, 27 Feb 2017 10:27:58 +0530

Signed-off-by: Nikunj A Dadhania <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
---
 target/ppc/translate.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 16f422f..d4d9941 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)
-- 
2.7.4




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