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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 <mans@mansr.com>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5912 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2008-12-07 14:03:27 +00:00
parent 662bbadd35
commit ded9d29547
1 changed files with 3 additions and 3 deletions
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6
target-arm/translate.c
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@ -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. */