From 148d98de28e038a36e70293ddb9ac1c73b09b447 Mon Sep 17 00:00:00 2001 From: balrog Date: Sun, 7 Dec 2008 14:03:27 +0000 Subject: [PATCH] ARM: fix usad8 and usada8 usage of registers (Mans Rullgard). This fixes the destination and accumulator registers for the usad8 and usada8 instructions. Signed-off-by: Mans Rullgard Signed-off-by: Andrzej Zaborowski git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5912 c046a42c-6fe2-441c-8c8c-71466251a162 --- target-arm/translate.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/target-arm/translate.c b/target-arm/translate.c index 94528be..29ec0ed 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -6556,12 +6556,12 @@ static void disas_arm_insn(CPUState * env, DisasContext *s) tmp2 = load_reg(s, rs); gen_helper_usad8(tmp, tmp, tmp2); dead_tmp(tmp2); - if (rn != 15) { - tmp2 = load_reg(s, rn); + if (rd != 15) { + tmp2 = load_reg(s, rd); tcg_gen_add_i32(tmp, tmp, tmp2); dead_tmp(tmp2); } - store_reg(s, rd, tmp); + store_reg(s, rn, tmp); break; case 0x20: case 0x24: case 0x28: case 0x2c: /* Bitfield insert/clear. */ -- 2.7.4