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[v4,14/15] target/ppc: use tcg ops for neg instruction

Message ID 1487879800-12352-15-git-send-email-nikunj@linux.vnet.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Nikunj A. Dadhania Feb. 23, 2017, 7:56 p.m. UTC 
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
---
 target/ppc/translate.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index dc75cca..5af9667 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -1583,7 +1583,10 @@  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)