From f331fe5e5fc05fc4626e5dfe4be8ef62a7763b99 Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Tue, 6 Sep 2011 03:55:29 +0400 Subject: target-xtensa: implement RT0 group NEG and ABS are the only members of RT0 group. Signed-off-by: Max Filippov Signed-off-by: Blue Swirl --- target-xtensa/translate.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'target-xtensa/translate.c') diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 4dfca2bcf8..92547d21f7 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -255,6 +255,25 @@ static void disas_xtensa_insn(DisasContext *dc) break; case 6: /*RT0*/ + switch (RRR_S) { + case 0: /*NEG*/ + tcg_gen_neg_i32(cpu_R[RRR_R], cpu_R[RRR_T]); + break; + + case 1: /*ABS*/ + { + int label = gen_new_label(); + tcg_gen_mov_i32(cpu_R[RRR_R], cpu_R[RRR_T]); + tcg_gen_brcondi_i32( + TCG_COND_GE, cpu_R[RRR_R], 0, label); + tcg_gen_neg_i32(cpu_R[RRR_R], cpu_R[RRR_T]); + gen_set_label(label); + } + break; + + default: /*reserved*/ + break; + } break; case 7: /*reserved*/ -- cgit v1.2.3